I3A - Instituto de Investigación en Ingeniería de Aragón

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GPTThermo-Chemical Processes Group
http://gpt.unizar.es
The Thermochemical Processes Group (GPT, as in Spanish: Grupo de Procesos Termoquímicos) develops its work within the Aragón Institute for Engineering Research (I3A), one of the research Institutes at the Universidad de Zaragoza (Spain).
 
Since the foundation of the group, back in 1983, we have been focused on studying thermochemical processes for the valorisation of residues, specifically by pyrolysis and gasification, although research lines on other processes such as combustion (gas phase reactions dealing with contaminant generation), pulp and paper or biodiesel production are also active.
 
The group has also developed a vast research activity on developing kinetic models for combustion processes in gas phase. These models can be accessed and downloaded here.
 
In summary, the main objectives of our research work are to contribute to the scientific knowledge of thermochemical processes, as well as the design, development and optimization of pilot and demonstration plants using this scientific knowledge and expertise.

Research Lines

Processes & Recycling

Pyrolysis and gasification

Development of technologies, based on thermochemical processes, that can be applicable at industrial scale for energy production from biomass, by combining gasification with gas cleaning and...

Development of technologies, based on thermochemical processes, that can be applicable at industrial scale for energy production from biomass, by combining gasification with gas cleaning and conditioning systems to couple this technology with the energy production system. Regarding pyrolysis, different strategies are being explored aiming at increasing the energy density and the fuel properties of various feedstocks that can be valorized as biofuels.

Combustion and pollutant emissions (NOx, SOx, soot, …) reduction

The reduction of NOx from combustion processes and the minimization of other contaminants (SOx, soot, …) is  investigated in order to develop cleaner combustion technologies....

The reduction of NOx from combustion processes and the minimization of other contaminants (SOx, soot, …) is  investigated in order to develop cleaner combustion technologies.

Besides, the conversion of hydrocarbons and oxygenate compounds of interest in thermochemical processes is being explored in order to find more environmentally friendly materials that can be used as fuels in combustion processes.

Detailed kinetic modeling for combustion processes

The development of kinetic models for combustion processes is related to the previous research line. Kinetic models help to understand the reaction mechanisms taking place in...

The development of kinetic models for combustion processes is related to the previous research line. Kinetic models help to understand the reaction mechanisms taking place in the different combustion processes and are a useful tool in order to establish adequate strategies for minimizing pollutant emissions and enhancing the combustion process.

Elimination and valorization of industrial and agroforestry residues

The activity related to this research line focuses on finding adequate means for valorizing different industrial and agroforestry residues. The group has worked with different...

The activity related to this research line focuses on finding adequate means for valorizing different industrial and agroforestry residues. The group has worked with different materials in the past, including spent liquors from the pulp and paper industry (black liquor), sewage sludge, waste tyres, plastics, meat and bone meal, and agricultural wastes.

At the present moment, the research on sewage sludge is still active, and other residues are being investigated, including the refuse derived fuel (RDF) obtained from municipal solid wastes (MSW).

Biofuels production (biodiesel, bio-hydrogen, bio-oil, bio-char, etc.) and conversion

The interest in different biofuels covers a wide range of research activities within the GPT. Biodiesel production is investigated using alternative raw materials for the...

The interest in different biofuels covers a wide range of research activities within the GPT. Biodiesel production is investigated using alternative raw materials for the process, both from vegetable and animal origin. The enhancement of the properties of the biodiesel produced is also pursued. Different strategies are being evaluated, and the development of a predictive tool for these properties when using different feedstocks is also being carried out.

The research on hydrogen is related to catalyst development in oxygenates reforming processes. The biofuels conversion is also studied in the different thermochemical processes.

Key Projects

GreenCarbon

Advanced Carbon Materials from Biowaste: Sustainable Pathways to Drive Innovative Green Technologies: The main objective of our proposed Innovative Training Network is to develop new scientific...

Advanced Carbon Materials from Biowaste: Sustainable Pathways to Drive Innovative Green Technologies: The main objective of our proposed Innovative Training Network is to develop new scientific knowledge, capability, technology, and commercial products for biomass-derived carbons (BCs); thus impacting the way that Europe uses and innovates with sustainable carbon materials.

This will be accomplished through outstanding research and training programmes for fourteen early-stage researchers (ESRs). Our proposed research programme is feasible given the varied expertise and knowledge of the academic and industrial participants. We expect that GreenCarbon will improve our ability to rationally design a range of functionalised BC-derived materials using different individual and synergistically coupled processes and expand their practical applications.

IP = Joan Manya.

Aqueous phase reforming of residual streams from various industrial processes

Responsible: Lucía García

Funded by: Spanish Ministry of Science and Innovation (MICINN, Ref. ENE2010-18985)

...

Responsible: Lucía García

Funded by: Spanish Ministry of Science and Innovation (MICINN, Ref. ENE2010-18985)

Description: The aim of this project is to study energy upgrading of waste biomass aqueous streams from several industrial processes by aqueous-phase reforming (APR). The APR technology turns the organic content of the waste stream into valuable gases and liquids. The products have different composition depending on the catalyst and the operating conditions. Therefore, the development of suitable catalysts for the process and the valorisation of waste aqueous industrial streams are the main objectives pursued. Ni-based catalysts have been selected and the influence of support modifiers and active phase promoters constitutes a matter of study.

Period: 2011-2013

Valorisation of sewage sludge from waste water treatment plants by means of a pyrolysis process: study and upgrading of the products applicability

Responsible: Gloria Gea

Funded by: Spanish Ministry of Science and Innovation (MICINN, Ref. CTQ2010-20137)

...

Responsible: Gloria Gea

Funded by: Spanish Ministry of Science and Innovation (MICINN, Ref. CTQ2010-20137)

Description: The production of a liquid fuel from the pyrolysis of sewage sludge from wastewater treatment plants is a promising option for energy production from a renewable source, also providing a way to minimize and valorise the residue. Fast pyrolysis for the generation of a liquid fuel is studied, aiming at the improvement of the quality of the organic fraction of the obtained liquid for energy generation. Different enhancement strategies are analysed based on the yield and properties of the liquids produced: torrefaction pretreatment, catalytic pyrolysis, stripping of the pyrolysis vapours and mixing of the organic fraction with diesel and bio-diesel.

Period: 2011-2013

Optimization of the biodiesel production process from oils and fats

Responsible: Jesús Arauzo

Funded by: Spanish Ministry of Science and Innovation (MICINN, Ref. CTQ2010-19811)

...

Responsible: Jesús Arauzo

Funded by: Spanish Ministry of Science and Innovation (MICINN, Ref. CTQ2010-19811)

Description: Biodiesel production is investigated using alternative raw materials for the process, both from vegetable and animal origin. The enhancement of the properties of the biodiesel produced is also pursued. Different strategies are being evaluated, and the development of a predictive tool for these properties when using different feedstocks is also being carried out. Such a tool can be really useful in order to determine the expected properties of the biodiesel produced from a certain raw material without needing to conduct the transesterification process, hence saving time and resources.

Period: 2011-2013

Oxidation of organic compounds used as gasoil additives. Study of their effect on the pollutants emission

Responsible: María U. Alzueta

Funded by: Spanish Ministry of Science and Innovation (MICINN, Ref. CTQ2009-12205)...

Responsible: María U. Alzueta

Funded by: Spanish Ministry of Science and Innovation (MICINN, Ref. CTQ2009-12205)

Description: The aim of the project is to acquire a deeper knowledge on the oxidation process of different oxygenated organic compounds that can be used as diesel fuel additives: ethanol, dimethylether and dimethoxymethane, as well as of the blends of these additives with acetylene. Also, the impact of these oxygenated additives on decreasing pollutant emissions, such as soot and NO will be assessed. The studies performed enable to determine the mechanisms through which the oxidation of the different additives considered proceeds for different operating conditions.

Period: 2010-2012

Agroforestry residues to synthesis gas through bio-oil

Responsible (Project coordinator): Lucía García

Funded by: Comunidad de Trabajo de los Pirineos (CTP, Ref. CTPP02/09...

Responsible (Project coordinator): Lucía García

Funded by: Comunidad de Trabajo de los Pirineos (CTP, Ref. CTPP02/09)

Institutions: Universidad de Zaragoza, University of the Basque Country, CIRAD (France)

Description: The steam reforming of biomass pyrolysis liquids of different agroforestry residues was carried out in order to obtain a hydrogen-rich syngas. Different raw materials were subjected to fast pyrolysis using two different technologies, a spouted bed reactor and a circulating fluidized bed reactor. The bio-oils produced  were used as feedstocks in the steam reforming process using two different reactor configurations: a microscale fixed bed and a lab-scale fluidized bed. The catalyst development for the steam reforming process was carried out using Ni/Al coprecipitated and impregnated catalysts and using various modifiers, such as Mg, Co and Cu.

Period: 2010-2011

Optimization of flue gas recirculation strategies in combustion processes. Minimization of pollutant emissions

Responsible (U. Zaragoza): María U. Alzueta

Funded by: GA, La Caixa (Ref. GA-LC031/2009)

...

Responsible (U. Zaragoza): María U. Alzueta

Funded by: GA, La Caixa (Ref. GA-LC031/2009)

Institutions: University of Zaragoza.

Description: Flue gas recirculation techniques are widely used for optimizing combustion processes and minimizing pollutant emissions. Special emphasis was made in this project to evaluate the impact of the flue gas composition to be recirculated on the emission concentration at the exhaust gases. Assessment of the best operating conditions was made, based on experimental results and modelling calculations.

Period: 2009-2011

NOx formation and reduction in oxy-fuel combustion

Consortium leader (U. Zaragoza): María U. Alzueta

Funded by: Aragón Government (Ref. GA PI023/2008)

...

Consortium leader (U. Zaragoza): María U. Alzueta

Funded by: Aragón Government (Ref. GA PI023/2008)

Institutions: University of Zaragoza, Instituto de Carboquímica (CSIC).

Description: Oxy-fuel combustion is a promising technology for carbon capture and sequestration. The present project is devoted to the evaluation of NOx formation and reduction under CO2 rich environments. In particular, reduction of NOx by gas reburning in an oxy-fuel atmosphere is considered.

Period: 2008-2010

Production of paper and high value products from agricultural residues, by new integrated process schemes

Responsible (U. Zaragoza): Alberto Gonzalo

Funded by: Spanish Environmental Ministry (Ref. 186/PC08/3-02.5)

...

Responsible (U. Zaragoza): Alberto Gonzalo

Funded by: Spanish Environmental Ministry (Ref. 186/PC08/3-02.5)

Institutions: University of Zaragoza, Straw Pulping Eng., Universidad del País Vasco.

Description: The soda semichemical pulping of agricultural residues from various crops was studied in order to produce cellulose pulp destined to packaging paper manufacture. The properties of the different papers produced were evaluated by preparing hand sheets that were tested using standard methods and compared to conventional commercial papers used in the packaging industry. The spent liquors obtained where treated in various ways, including a biological treatment to reduce the Chemical Oxygen Demand (COD), a desilication treatment destined to enhance their fuel properties and a separation and purification of the lignin from the liquors in order to prepare active carbons.

Period: 2008-2010

Hydrogen production from bio-oil and glycerol by aqueous-phase reforming at high pressure

Responsible: Lucía García

Funding: Science and Educational Ministry of Spain CTQ2007-62841/PPQ

...

Responsible: Lucía García

Funding: Science and Educational Ministry of Spain CTQ2007-62841/PPQ

Description: Aqueous phase reforming is a process that involves operating pressures around 20-50 bar and mild temperatures (150 – 250 ºC). Hence, it is less energy demanding compared to conventional steam reforming processes. The main objective of the project was to produce hydrogen from organic liquid streams, such as bio-oil, and glycerol, a by-product in biodiesel production. The development of adequate catalysts for the process was carried out, using Ni/Al coprecipitated catalysts and introducing different modifiers such as Lanthanum. Later on, the catalyst development was further extended to the preparation of noble-based catalysts under different techniques and using various supports.

Period: 2007-2010.

Energy valorization of meat and bone meal

Responible: Jesús Arauzo.

Funded by:  DGA,  La Caixa, Sirasa S.A.

Institutions...

Responible: Jesús Arauzo.

Funded by:  DGA,  La Caixa, Sirasa S.A.

Institutions: University of Zaragoza

Description: Pyrolysis and gasification of meat and bone meal were evaluated as possible technologies for valorising a material that no longer could be used for animal feeding purposes after the outburst of the mad cow disease. The material was difficult to work with, but it could be successfully co-gasified with coal.

Period : 2007- 2009

CENIT program : Consortium OTERSU

Responsible (U. Zaragoza): Rafael Bilbao

Funded by:  URBASER, S.A.

Consortium...

Responsible (U. Zaragoza): Rafael Bilbao

Funded by:  URBASER, S.A.

Consortium leader: URBASER, S.A.

Description: The OTERSU project was a consortium established by various partners for the development of novel technologies in the treatment of municipal solid wastes (MSW), pursuing a maximum valorisation and a minimal waste disposal. The main objective was the study of RDF (refuse derived fuel) gasification as an energy recovery alternative at lab scale, analysing the influence of different operation parameters on the syngas produced.

Period: 2006 - 2009

Coal catalytic co-gasification in an innovative rotary kiln gasifier – CO.CA.CO.RK

Scientific Responsible: Jesús Arauzo /J.L. Sánchez

Funded by   :  C.E.C.A. (RFC-PR- 04001)

...

Scientific Responsible: Jesús Arauzo /J.L. Sánchez

Funded by   :  C.E.C.A. (RFC-PR- 04001)

Institutions: Centro Sviluppo Materiali, INETI, SOTOCARBO, ENEL, University of  Nottingham, Ansaldo Ricerche, University of Zaragoza

Description: The project pursued the production of a clean syngas by cogasification of coal/biomass or coal/waste in a new conception rotary kiln gasifier and an innovative catalytic gasification. The innovative gasifier combined the high mixing of a fluidised bed gasifier without the need of a fine fixed feed granulometry and without the problem of a high carry over of the latter. A small scale gasifier (5-15 kg/h) could be constructed.

Period:  2005 - 2008

Optimisation of the product gas treatment from the existing waste gasification plant with energy recovery

Scientific Responsible: Jesús Arauzo

Funded by: CADAGUA, S.A.

Institutions:...

Scientific Responsible: Jesús Arauzo

Funded by: CADAGUA, S.A.

Institutions: University of Zaragoza.

Description: This project is a follow-up of the previous joint project with CADAGUA for the design and construction of a pilot-scale fluidized bed gasification plant for the valorisation of dried sewage sludge from wastewater treatment plants. The aim of this project, funded by CADAGUA, was to optimise the quality and the fuel properties of the product gas obtained in the gasification plant previously design and constructed by the GPT in collaboration with CADAGUA. The product gas was conditioned and subsequently burnt in an internal combustion engine and produced electric power.

Period: 2002-2003

Gasification of sewage sludge and compost in a fluidized bed pilot plant

Scientific Responsible: Jesús Arauzo

Funded by: Environmental Ministry (Spain)

...

Scientific Responsible: Jesús Arauzo

Funded by: Environmental Ministry (Spain)

Institutions: University of Zaragoza, TAIM- TFG

Description: Design, construction and operation of a fluidized bed gasification pilot plant with a processing capacity of 15-20 kg/h, using sewage sludge and compost as feedstocks. The plant’s key feature was the feeding system, thanks to the design of construction of a series of several exchangeable feeders that enable full flexibility with respect to the feedstock to be input in the installation. Such versatility resulted in the successful gasification of different biomass feedstocks and other valuable residues, including MSW or sewage sludge, among others. The plant is still operating and partially available for external users through the BRISK initiative (see below).

Period 2005 - 2007

Hydrogen production by steam reforming of biomass pyrolysis liquids

Responsible: Jesús Arauzo

Funding: Science and Educational Ministry of Spain - CTQ 2004-06279

...

Responsible: Jesús Arauzo

Funding: Science and Educational Ministry of Spain - CTQ 2004-06279

Description: This research project aimed at the development of catalysts with high reforming activity, appropriate mechanical strength and stability in the steam reforming of the aqueous fraction of bio-oils. Ni/Al catalysts were prepared in the laboratory by coprecipitation and tested under varying operating conditions. The addition of modifiers and the optimization of the process operating conditions were carried out in order to maximize hydrogen production.

Period:  2004 - 2007.

ALE-Thermochemical conversion of biomass into energy and fuels. Co-operation for Scientific and Technical Training

Responsible (UNIZAR): Jesús Arauzo.

Funded by:  E.C.– Alpha Program II.

Contract...

Responsible (UNIZAR): Jesús Arauzo.

Funded by:  E.C.– Alpha Program II.

Contract No. AML/B7-311/97/0666/II-0444-FA

Institutions:  Kungliga Tekniska Högskolan , UNIZAR,  U. Degli Studi di Sassari, U. Buenos Aires, U. Estadual Campinas, U. Estadual Paulista, U. Camaguey, U. Pinar del Rio.

Description: International cooperation programme within the 7th Framework Programme for networking activities related to scientific and technical training in the field of thermochemical conversion of biomass into energy and chemicals.  The project aimed at the implementation of biomass thermochemical processing technologies in small plants in rural areas in Latin America using typical biomass from Latin America. The training programme allowed the contact of the Latin American partners with the European Universities and their technological capacities.

Period: 2005-2006

Processes & Recycling

COST Action CM1404 – Chemistry of Smart Energy Carriers and Technologies (SMARCATS)
Responsible (U. Zaragoza): M. Uxue Alzueta
 
Coordinator: Mara de Joannon – Istituto de Ricerche sulla Combustione IRC-CNR, Nápoles...
Responsible (U. Zaragoza): M. Uxue Alzueta
 
Coordinator: Mara de Joannon – Istituto de Ricerche sulla Combustione IRC-CNR, Nápoles (Italy)
Funded by: COST (European Cooperation on Science and Technology).
 
Description: The COST action "Chemistry of Smart Energy Carriers and Technologies" (SMARCATS, CM1404) comprises a European network of academic and research centers and industry partners from around 25 countries, to promote the use of energy vectors at a large scale, and to increase the flexibility in biofuel use and energy production efficiency while ensuring minimum environmental impact.
 
Period: 2015-2019.
WASTE2FUELS - Sustainable production of next generation biofuels from waste streams
Responsible (U. Zaragoza): M. Uxue Alzueta
 
Funded by: European Union, H2020
 
Description: Sustainable...
Responsible (U. Zaragoza): M. Uxue Alzueta
 
Funded by: European Union, H2020
 
Description: Sustainable production of next generation biofuels from waste streams: WASTE2FUELS aims to develop next generation biofuel technologies capable of converting agrofood waste (AFW) streams into high quality biobutanol.
 
The main WASTE2FUELS innovations include: Development of novel pretreatment methods for converting AFW to an appropriate feedstock for biobutanol production thus dramatically enlarging current available biomass for biofuels production, Genetically modified microorganisms for enhancing conversion efficiencies of the biobutanol fermentation process, Coupled recovery and biofilm reactor systems for enhancing conversion efficiencies of Acetone-Butanol-Ethanol fermentation.
 
Development of new routes for biobutanol production via ethanol catalytic conversion, Biobutanol engine tests and ecotoxicological assessment of the produced biobutanol, Valorisation of the process by-products, Development of an integrated model to optimise the waste-to-biofuel conversion and facilitate the industrial scale-up, Process fingerprint analysis by environmental and techno-economic assessment and Biomass supply chain study and design of a waste management strategy for rural development.
 
 
Period: 2015-2018.
Study of valorisation strategies for residual organic matter based on pyrolysis
Responsible (U. Zaragoza): Gloria Gea
 
Funded by: Spanish Ministry of Economy and Competitiveness (MINECO), CTQ2013-47260-R
...
Responsible (U. Zaragoza): Gloria Gea
 
Funded by: Spanish Ministry of Economy and Competitiveness (MINECO), CTQ2013-47260-R
 
Description: This project proposes an integral valorisation of sewage sludge and pig manure based on a combination of anaerobic digestion and subsequent pyrolysis. This treatment would allow to greatly reduce the total volume of residue, and to recover significant fractions of their energy and nutrients (N, P) sustainably. Specifically, additional research is required on improving the physicochemical characteristics of the pyrolysis products towards energy purposes, the recovery of valuable compounds from them, and the energetic optimisation of these processes by maximisation of energy recovery from certain process streams to make the processes autothermal.
 
Period: 2014-2016.
Lignin-based compounds as additives for biofuels
Responsible (U. Zaragoza): José Luis Sánchez
 
Funded by: Spanish Ministry of Economy and Competitiveness (MINECO), ENE2013-41523-R...
Responsible (U. Zaragoza): José Luis Sánchez
 
Funded by: Spanish Ministry of Economy and Competitiveness (MINECO), ENE2013-41523-R
 
Description: Biodiesel properties usually need to be improved by means of costly and non-renewable additives. This project aims to produce an additive from lignin that can be used to improve the oxidation stability of biodiesel. Raw materials used in this project are: bio-oil from biomass pyrolysis and black liquor from pulp & paper production using a soda process.
 
Period: 2014-2017.
Study of the effect of hydrogen sulphide in combustion processes of different gas mixtures and its impact on pollutant emissions
Responsible (U. Zaragoza): M. Uxue Alzueta
 
Funded by: Ministerio de Economía y Competitividad (MINECO), CTQ2015-65226/PPQ
...
Responsible (U. Zaragoza): M. Uxue Alzueta
 
Funded by: Ministerio de Economía y Competitividad (MINECO), CTQ2015-65226/PPQ
 
Description: The objective of this Project is to perform experimental and kinetic modeling studies in order to determine the effect of hydrogen sulphide on the combustion of hydrocarbons, and on pollutant generation.
 
Período: 2016-2018.
BRISK - Biomass Research Infrastructure for Sharing Knowledge

The Thermochemical Processes Group (GPT) is one of the 26 partners that constitute this consortium, funded within the 7th Framework Programme of the European Union. BRISK is a 4-year initiative...

The Thermochemical Processes Group (GPT) is one of the 26 partners that constitute this consortium, funded within the 7th Framework Programme of the European Union. BRISK is a 4-year initiative that opens up a wide variety of research infrastructures via Transnational Access, allowing researchers outside and inside the project to conduct experiments.

Therefore, BRISK’s main activity is to fund researchers from any EU and qualifying country to carry out research at any of the 26 partners’ facilities. The overall consortium budget is up to EUR 10.84 million. Further details on BRISK can be found at http://www.briskeu.com.

  • Period: 2011-2015
  • Leader (U. Zaragoza): Jesús Arauzo
  • Funded by: European Union (7th FW Programme) – Ref. 284498
  • Consortium leader: Kungliga Tekniska Högskolan (Sweden)
Improvement of gasification processes for utilising municipal solid wastes

Responsible (U. Zaragoza): Rafael Bilbao

Funded by: Spanish Ministry of Science and Innovation (MICINN, INNPACTO...

Responsible (U. Zaragoza): Rafael Bilbao

Funded by: Spanish Ministry of Science and Innovation (MICINN, INNPACTO subprogramme, Ref. IPT-310000-2010-0014)

Institutions: Universidad de Zaragoza; URBASER S.A.

Description: The main objective of INNPACTO subprogramme is to promote the creation of projects in cooperation with research organizations and companies for the joint development of I+D+i projects. The aim of this project is the experimental development of the gasification technology for different fractions of municipal solid waste (MSW) at pilot scale to obtain syngas of high quality.

Period: 2010-2013

CENIT program: Consortium BIOSOS – Sustainable Biorefinery

Responsible (U. Zaragoza): Jesús Arauzo

Funded by: CARBUROS METALICOS, S.A.  (AIR PRODUCTS)

...

Responsible (U. Zaragoza): Jesús Arauzo

Funded by: CARBUROS METALICOS, S.A.  (AIR PRODUCTS)

Consortium leader: ABENGOA, S.A

Description: The main objective of this consortium is the development of technologies for designing integrated biorefinery concepts, by combining energy production and the manufacture of bioproducts. Such strategy must be sustainable from the economic, environmental and social points of view. Hence the different solutions proposed are evaluated following these criteria, ensuring that the technologies developed are sustainable and economically viable.

Period: 2009 -2013

COST Action CM0901 – Detailed Chemical Kinetic Models for Cleaner Combustion

Responsible (U.Zaragoza): María U. Alzueta

Funded by: COST (European Cooperation in Science and Technology)

...

Responsible (U.Zaragoza): María U. Alzueta

Funded by: COST (European Cooperation in Science and Technology)

Consortium leader: Laboratoire des Reactions et de Genie des Procèdes (CNRS-LRGP, France)

Description: The GPT is a member of the Management Committee in the COST Action CM0901. The main objective of the Action is to promote the development of cleaner and more efficient combustion processes through the design and implementation of better defined and more accurate chemical kinetic models. It is a 4-year initiative with an economic dimension of the activities carried out under the Action estimated in ca. 84 M€. The Action started on March 2010 and will finish at the end of April 2013. More details on the Action and further information can be accessed on the Action’s website: http://cost.ensic.univ-lorraine.fr/cost

Period: 2010-2013

Design, construction and operation of a biomass donwdraft gasifier 700 kWe

Scientific Responsible: Jesús Arauzo

Funded by: TAIM - Wesser

Description:...

Scientific Responsible: Jesús Arauzo

Funded by: TAIM - Wesser

Description: This project was derived from the previous joint research project “Gasification of sewage sludge and compost in a fluidized bed pilot plant”, funded by the Spanish Environmental Ministry. The joint collaboration between TAIM-WESER and the GPT awarded the latter a contract for the design, construction and setup of a commercial-scale downdraft gasifier licensed to TAIM-WESER. The 700 kWe gasifier constructed is currently delivering power to the energy grid (steadily operating ca. 8000 h/year) and is commercialized by the company.

Period:  2001 - 2006

Design and construction of a sewage sludge gasification plant at a demonstration scale with energy recovery

Scientific Responsible: Jesús Arauzo

Funded by: CADAGUA, S.A.

Institutions: University of...

Scientific Responsible: Jesús Arauzo

Funded by: CADAGUA, S.A.

Institutions: University of Zaragoza.

Description: CADAGUA is a leading company in the Spanish national market of engineering and construction of water and wastewater treatment and RO desalination facilities. Given the large amounts of sewage sludge produced in the wastewater treatments, the company contacted the GPT in order to develop a gasification technology at a demonstration/semi-industrial scale for the valorisation of sewage sludge. This resulted in a joint collaboration funded by CADAGUA for the design and construction of a fluidized bed gasifier with a capacity up to 100 kg/h of dried sewage sludge.

Period: 2000-2001

Gas clean production from biomass

Responsible (UNIZAR): Jesús Arauzo.

Funded by: R.I.T.E. (Japan).

Participants:...

Responsible (UNIZAR): Jesús Arauzo.

Funded by: R.I.T.E. (Japan).

Participants: University of Zaragoza,  NREL, University of Hawai, CCUJ Foundation,  AIST  National Institute, Hiroshima Universty, The Chugoku Electric Power Co., Inc

Description: International joint research that enabled the creation of a tar protocol for product gas cleaning in biomass gasifiers. Development of efficient tar cracking catalysts.

Period: 2002 – 2004

Technology Transfer

Processes & Recycling

Fluidized bed gasification pilot plant

This pilot plant consists of a fluidized bed reactor with a 15 kg/h processing capacity and all the necessary ancillary equipment. It can operate with continuous feeding of biomass and fluidizing...

This pilot plant consists of a fluidized bed reactor with a 15 kg/h processing capacity and all the necessary ancillary equipment. It can operate with continuous feeding of biomass and fluidizing agents.

The main difference exhibited by this installation against other lab-scale reactors for waste gasification is in addition to the different processing capacity, the autothermicity achieved inside the reactor along the experiments. This fact implies that once the operation has started up, the gasification maintains on its own with no need of any other external energy source. This important issue can be barely attained in a lab-scale reactor of lower capacity, allowing operating conditions very close to that found in commercial scale gasification plants, but with the flexibility offered by a small installation. The plant has been designed, built and currently is operated by the Thermochemical Processes Group (GPT).

Fluidized bed gasification pilot plant

Success Cases

Processes & Recycling

Commercial-scale downdraft gasifier
The development of a commercial-scale downdraft gasifier was a successful technology transfer case for the GPT. The 700 kWe gasifier was designed and constructed in collaboration with TAIM-TFG (...
The development of a commercial-scale downdraft gasifier was a successful technology transfer case for the GPT. The 700 kWe gasifier was designed and constructed in collaboration with TAIM-TFG (now TAIM-WESER), and is currently commercialized by this company. This is a robust technology that can ensure ca. 8000 h/year of steady operation, with relatively little maintenance and that is currently delivering power to the Spanish grid.
 
Method of producing a synthetic paper book. Inventors: Arauzo Pérez, Jesús, Gea Villanueva Miguel, Laguna Edroso Juan Ángel, Latorre Forcén, Sergio, Manzanares Guallar, Fernando, Mir Bel Jorge. US200506077840. Priority Date: 05/01/2005. Exploitation rights: Nuevos Soportes Gráficos SL. The invention relates to a method of producing a synthetic paper book which is characterised in that it comprises impermeable, submersible and washable paper which can be printed on one or both sides thereof. In addition, the paper is highly resistant to abrasion and oxidation as well as having improved flexibility and durability. The pages of the inventive book have a similar thickness and grammage to books made from standard paper.
 
Method for converting the RDF fraction into a synthesis gas. Inventors: Bilbao Duñabeitia, Rafael; Arauzo Pérez, Jesús María; Guerrero Álvarez, Marta; Gala Buro, Alberto Jesús; Artigas Ayala, Alfonso; Fernández Giménez, Eduardo. PCT/ES2014/070302. Exploitation rights: Urbaser, SA. The invention relates to a method for producing a synthesis gas from municipal solid waste (MSW) and more specifically, from the fraction thereof called refuse-derived fuel (RDF). The method comprises a step of gasification on a bubbling fluidised bed at atmospheric pressure and temperatures of between 750º C and 850º C, using oxygen-enriched air as a gasifying agent, and a step of immediate cleaning and conditioning of the synthesis gas, mainly based on the use of a catalytic reforming reactor comprising a bed formed by a metal catalyst, which operates at a temperature of between 750º C and 850º C, where the endothermic reforming process is carried out with water vapour from tar and other hydrocarbons.
 
Biodegradable additive for biodiesel. Inventors: Arauzo Pérez, Jesús, Gonzalo Callejo Alberto, Sánchez Cebrián José Luis, García Rodríguez Manuel, Botella Abad Lucía. Patent number ES2503990. This invention refers to a procedure to obtain a biodegradable additive for biodiesel. The procedure comprises a mixing stage for bio-oil, biodiesel and a solvent.
 
Functionalized spheres of covalent reticular structures (esferas de estructuras reticulares covalentes orgánicas funcionalizadas). Inventors: Carcelén Verónica, Cuellas David, Gil Eva, Ramón Miguel, Zamora Félix, Arauzo Jesús. P201530503. Exploitation rights: Abengoa, SA.
 
Reticular covalent organic structures based on aromatic nitrogenated heterocycles (estructuras reticulares covalentes orgánicas basadas en Heterociclos nitrogenados aromáticos).
Inventors: Carcelén Verónica, Cuellas David, Corral, Juan José, Gil Eva, Ramón Miguel, Zamora Félix, Arauzo Jesús. P201530590. Exploitation rights: Abengoa, SA.
 
Process for the removal of organic colorants from industrial effluents (procedimiento para la eliminación de colorantes orgánicos de efluentes industriales). Inventors: Herrero Pizarro Alejandro, Monsalvo Víctor Manuel, Torija Irene, Arauzo Jesús. P201530944. Exploitation rights: Abengoa Water, SLU.
 
Catalyst and its use in water depuration (catalizador y su uso en depuración de aguas contaminadas). Inventors: Herrero Pizarro Alejandro, Monsalvo Víctor Manuel, Torija Irene, Arauzo Jesús. P201630227. Exploitation rights: Abengoa Water, SLU.
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