··> team  
 

Team

To e-mail a person, click its photo and insert the persons name without titles, spaces, dots, etc. in front of the at sign.

Management
Ir. Sjaak van Loo (+31 (0)53 7112 500)
Sjaak van Loo graduated in chemical engineering at the HTS of Hilversum in 1985. After completing a post-doc course in chemical engineering he graduated at Twente University of Technology. Sjaak started his career in applied scientific research at TNO-MEP in Apeldoorn in the field of air emission abatement. In 1992 he was seconded as project coordinator to the Ministry of Public Health, Planning and the Environment (VROM), Department of Waste Technology. Returning to TNO, as scientific coordinator he was responsible for setting up and extending TNO's position in the field of bio-energy. The Dutch Biomass Information Centre was initiated and managed, TNO was appointed as National Certifying Body for wood fired domestic heating appliances, Sjaak was board member to the Institute for Plant Fiber Research, the Renewable Energy Research Foundation and the Netherlands Bio-Energy Association. In 1997 Sjaak was appointed Task leader within the International Energy Agency (IEA) and is managing a substantial international group of high standing researchers in the field of Biomass Combustion and Co-firing since. Sjaak is co-author and editor of the Handbook of Biomass Combustion and Co-firing. In 1997 Sjaak was appointed Head of the department of Thermal Conversion Technology within TNO. In 2001 he was appointed as Head of the department of Energy Systems and became member of the Management Team of TNO-MEP. To further explore his commercial and management expertise Sjaak switched to Procede as director in 2003.
 
Prof. dr. ir. Geert Versteeg (+31 (0)53 7112 500)
Geert Versteeg, born in 1958, started his Chemical Technology study in 1976 at the 'Technische Hogeschool Twente'. In January 1982 he graduated within the Chemical Engineering Science section of Prof.dr.ir. van Swaaij after a final year project on the reaction kinetics between carbondioxide and aqueous alkanolamine solutions. Next, he started a PhD-study on the role of mass transport and chemical reaction in wet desulphurization processes and he became a staff member of the Chemical Engineering Science group. In 1987 he received his doctors degree, with Prof.dr.ir. van Swaaij acting as promoter. He (co-)authored more than 150 scientific publications and patents. In the autumn of 1992 he received the prestigious Hoogewerff Youth Award. In November 1992 he was appointed as professor and in May 1999 as holder of the chair "Development and Design of Industrial Processes". He is heading the Post-Graduate Process Development School which leads to the official certificate of Process Developer. In January 1993 he founded the company Procede Twente BV to act as an intermediate between fundamental knowledge and industry.
 

Projectleaders
Dr. ir. Edwin van Elk (+31 (0)53 7112 505)
Edwin van Elk, born September 1971 near Rotterdam, finished the HTS of Dordrecht in 1992. Edwin graduated cum laude in Chemical Technology from Twente University of Technology in 1995. In 1997 he received a certificate from the Process Development School of the Twente University of Technology and has been officially registered as a Technical Designer by the KIVI (the Dutch Royal Institute of Engineers). Edwin is a process engineer at Procede since September 1997. Meanwhile he started a PhD-study at the University of Twente and he got his PhD in 2001 on a thesis entitled "Gas-liquid reactions - Influence of liquid bulk and mass transfer on process performance". Edwin has special interest in the following subjects: Physical Transport Phenomena, Chemical Reactor Technology (including two phase gas-liquid and gas-solid reactors), Numerical Methods and Computer Applications in the Chemical Process Technology. Edwin has over 20 years of experience in numerical modelling of two-phase processes (gas-liquid and gas-solid, using Pascal, Delphi, Fortran and various commercial flowsheeting tools), and over 10 years of experience in modelling gas treating processes (CO2, H2S, COS and mercaptanes removal with amine solvents).
 
Dr. ir. Glenn Rexwinkel (+31 (0)53 7112 506)
Glenn Rexwinkel, born in 1968 in Groningen, finished his Chemical Engineering study at Twente University of Technology in 1993. His graduation work was on the kinetics of pyrolysis of pinewood. In the same year Glenn started a PhD-study on the regenerative removal of chlorinated hydrocarbons from aqueous streams using hydrophobic sorbents. Glenn got his PhD in 1998 and in the mean time he started working as a senior process engineer at Procede Twente BV. Glenn is a specialist in the fields of adsorption and chemical reactor engineering. Besides, Glenn is the owner of a website (ChemSpy.com) that provides services to speed up chemisty related searches.
 

Engineers
Ing. Coen van Aken (+31 (0)53 7112 520)
In 2002, Coen van Aken (Enschede, 1981) finished a vocational course in laboratory education (“MLO”). He proceeded with higher vocational education in chemical engineering at “Saxion Hogescholen” in Enschede, and graduated in 2005. The chemical engineering education was prolonged by attaining a Masters/undergraduate program at “Universiteit Twente” up to now. Since April 2008, the undergraduate program is combined with a job at Procede as a process engineer.
 
Ir. Richard Arendsen (+31 (0)53 7112 516)
Richard Arendsen (1971) graduated in Chemical Technology from Twente University of Technology in 1994. In 1996 he received a certificate from the Process Development School of the Twente University of Technology. Subsequently, he started at TNO as scientific researcher. His main field is the development of dynamic or static process models based on mass and energy balances, applied to a wide range of processes, like solid fuel incinerators, food processing, refrigeration and catalytic flue gas cleaning. Besides he started a PhD-study on the modelling of thermal processes with phase transitions. Richard is a senior process engineer at Procede since September 2007 and mainly works on thermodynamic models for acid gas treating processes.
 
Ir. Nick ten Asbroek (+31 (0)53 7112 517)
Nick ten Asbroek graduated as a bachelor of chemical engineering at the HTS Enschede in 1998. He continued his study in chemical engineering at Twente University of Technology were he graduated in the research group Process Dynamis and Control of Professor B. Roffel. Nick started his career as a project engineer instrumentation and control at Tebodin Engineers. After completing a major instrumentation project he switched to applied scientific research at TNO-MEP in Apeldoorn. Nick worked four years at TNO specializing in the field of energy conversion and air emission abatement technologies, especially CO2 capture using post- and pre-combustion capture. He work as project leader in various major Dutch and European project like CASTOR, Dynamis, ENCAP and CATO. Furthermore, Nick acted as a co-supervisor for several TwAIO projects at TNO and was member of several graduation committees. In November 2006 Nick switched to Procede to further develop himself in gas treating and explore his commercial aspirations.
 
Dr. Ir. Peter Derks (+31 (0)53 7112 513)
Peter Derks (1976) completed his Chemical Technology study at the University of Twente in the summer of 2002. He did his graduation project titled “Supercritical fluids in heterogeneous catalysis” within the group “The Design and Development of Industrial Processes” led by professor Versteeg. After obtaining his diploma in 2002, Peter started a PhD study in the same research group on the absorption of carbon dioxide in piperazine activated MDEA solutions. After successfully defending his thesis, he received his doctor’s degree in 2006. Peter joined Procede in that same year to work as a senior process engineer in the field of acid gas absorption.
 
Ir. Uwe Dobberstein (+31 (0)53 7112 522)
Uwe Dobberstein, born 1975 in Windhoek (Namibia), holds a Bachelors of Science (Physics) and a Bachelors of Chemical Engineering from the University of Pretoria (South Africa). In 2003 Uwe received the TwAIO/M.Sc degree in Chemical Technology from the Technical University of Twente (Enschede). His graduation project involved the mathematical modeling of a novel micro-filtration system for Friesland Foods under the guidance of A. van der Padt and Prof. A.B. De Haan. Upon completion of his Masters degree, Uwe started work as apprentice to the well known dutch blacksmith/artist Willem Jonkers in Deventer. He worked on numerous projects of an artistic nature and was educated in old as well as new blacksmithing/metal working techniques. In 2005 he started working full-time for the solar energy company GiraSolar in the field of silicon production. During this time he patented and worked on a novel process for the purification of metallurgical silicon by high temperature molten salt electrolysis. In 2007 he started working part-time for Friesland Foods as design engineer allowing him time to pursue his hobby as whitesmith/jeweler. In 2008 he started work at Procede and is currently working on sulfur removal from gas streams.
 
Rob Emonds (+31 (0)53 7112 507)
Rob Emonds (1976) completed his education as process operator at the MTS in Almelo. Augustus 1997 he started his career at Procede as trainee. In February 1998 Rob became assistent process engineer at Procede. Rob gained a lot of experimental experience since. Amongst others he worked at the High Pressure Laboratory at the Twente University conducting experimental research in the field of polymerization processes of propylene en ethylene.
 
Espen Steinseth Hamborg, M.Sc. (+31 (0)53 7112 515)
Espen Steinseth Hamborg (1979) graduated at the Norwegian University of Science and Technology (NTNU) in 2004 with a degree in chemical engineering. His MSc thesis involved numeric modeling of a Fischer-Tropsch slurry bubble column used to produce liquid hydrocarbons of various forms from synthesis gas. During his studies at NTNU he had an exchange year at the University of California, Berkeley in the United States. He currently carries out his PhD studies at the University of Groningen on post-combustion acid gas treating processes under the guidance of Professor G. F. Versteeg. These processes are aimed to separate carbon dioxide from flue gases of fossil fueled power plants in order to reduce carbon dioxide emissions.
 
Ir. Patrick Huttenhuis (+31 (0)53 7112 508)
Patrick Huttenhuis (1970) studied Chemical Engineering at the Hogeschool Enschede and got his degree in 1992. Next, he continued his studies at the University of Twente. In march 1995 he graduated in the research group Process Engineering of prof. W.P.M. van Swaaij, where a theoretical and experimental study on bubble formation in gas fluidized beds was carried out. Results of his research were published in the journal Chemical Engineering Science. After finishing his studies Patrick started his professional career as a process engineer at Stork Comprimo in Amsterdam. In this period Patrick worked on process simulations and conducted numerous conceptual studies for the chemical and gas treating industry. Since 2002 he is working as a senior process engineer for Procede. His main focus has been to study both theoretical as experimental, the removal of acid components, like carbon dioxide, hydrogen sulphide, mercaptans and carbonyl sulphide, from various industrial gas streams (natural gas, flue gas, etc.). About this work several papers were written in peer reviewed scientific journals and presented during conferences.
 
Ir. Piet IJben (+31 (0)53 7112 509)
Piet IJben graduated in 1993 in Chemical Technology at Twente University of Technology on the subject: micro pore diffusion through zeolite membranes. In 1996 he received the certificate from the Process and Product Design School of the Eindhoven University of Technology and has been officially registered as a Technical Designer by the KIVI (the Dutch Royal Institute of Engineers). The next 4 years he worked for Stork Friesland BV, as a process engineer for spray dryers. In November 2000 he started as a process engineer at Procede and worked on a wide variety of subjects in the field of chemical engineering; Piet designed a continuous process, at pilot-plant scale, for the production of an aroma chemical. He built a commercialized efficient apparatus for the removal of algea in ponds. He experimentally determined vapour-liquid equilibrium data and absorption characteristics (absorption flux, chemical enhancement factor and overall apparent rate constant) of acid gases in alkanolamine solvents.
 
Hans de Jong, B.Sc. (+31 (0)53 7112 518)
Hans de Jong graduated in chemical engineering at the HTS of Hilversum (’89). After his military draft he started at TNO in the department Process Technology (’91) which later on changed in Seperation Technology. He worked mostly on separation projects with a focus on membrane technology. This experience let to the start of a membrane module producing company cold XTO a joint venture between TNO and a membrane producing company X-Flow. Hans started the production of transversal flow modules at XTO. New developing hybrid processes not only needed a redesign of the module, but often a whole new setup. Because of this Hans got involved in big projects like Memstill (desalination by membrane distillation) and CASTOR (CO2 removal from flue gas). In 2007 he made the switch to Procede to help to turn the bright ideas into working pilot plants.
 
Ir. Katarína Klepácová (+31 (0)53 7112 512)
Katarína Klepácová (1979) started her study at the Faculty of Chemical and Food Technology (Slovak University of Technology in Bratislava) in 1997. She has graduated on Department of Organic Technology in 2003. The topic of her graduation thesis was "Etherification of glycerol". In the same year Katarina started her PhD study on the subject: Etherification of polyhydroxy compounds. Her PhD study involved the application of environmental-friendly catalysts (especially ion-exchange resins) for development of glycerol ethers as a perspective oxygenates additives for fuels (processing of bioglycerol from FAME production). In October 2006 she started working at Procede Twente B.V. in position of process engineer and cooperates on "GTBE project" intent on production of glycerol tert-butyl ethers from waste glycerol as a biodiesel plants by-product.
 
Ir. Jaap Koppejan (+31 (0)53 7112 519)
Since his graduation at the University of Twente (1993, M. Sc Applied Physics), Jaap Koppejan has specialized in bioenergy technology development through various assignments at UN-FAO, TNO and other organizations. He has been involved in several national and international biomass combustion related R&D projects, including the IEA Bioenergy Task 32 (biomass combustion and co-firing), the Dutch Bioenergy Information Centre, and the combustion and co-firing section within the European ThermalNet expert network. Other projects are related to resource assessments, feasibility studies, policy studies and project implementation. Since 2007, Jaap is director of Procede Biomass BV, a subsidiary R&D company of Procede Group involved in development and commercialization of bioenergy technologies. Procede Biomass is cofounder of Bio Forte BV, an energy service providing company using innovative biomass combustion technology concepts.
 
Dr. ir. Henk ter Maat (+31 (0)53 7112 504)
Henk ter Maat (1968) has completed various technical educations before entering the labor market. His was given his introduction to process technology at the Dr. Groen College of Almelo. In 1988 he finished that education with a diploma, and subsequently wandered off into the world of materials engineering. In 1992 he completed his study at the Enschede Polytechnic in that field and was entitled to the degree of Bachelor. In 1993 he started working for Procede. Procede offered him the opportunity to continue his education by allowing him to follow both parts of the Process Technology course given at the Twente University of Technology. After completion of the Process Technology course in 1996 and fulfilling the additional requirements he graduated at the faculty of Chemical Technology from Twente University of Technology. In 1997 he started (supported by Procede) a post graduate course at the Process Development School of the Twente University of Technology, and in 1999 he completed that course and has been officially registered as a Technical Designer by the KIVI (the Dutch Royal Institute of Engineers). The main subject of study during that course was the development of a novel selective gas desulphurization process. That has been the center of attention since. In 2006 he completed a PhD thesis on the same subject.
 
Anand Mohan PDEng (+31 (0)53 7112 510)
Anand Mohan (1981), born in Chennai- India, completed his Bachelor's degree in Chemical Engineering at Annamalai University and graduated with distinction in 2002. In 2003, he joined the Twente School of Process Technology in The Netherlands and pursued the two year post graduate course in Process Design and Development. In 2005 he graduated with the degree Professional Doctorate in Engineering (PDEng) and was registered as a technical designer by the KIVI (the Dutch Royal Institute of Engineers).He has been associated with Procede since 2004, where he carried out his year project which involved absorption and kinetic studies of acid gases in amines as a part of his course curriculum. From September 2005 he has been a full time employee of Procede. His projects are mainly focused on research and development in the field acid gas treating processes.
 
Ir. Marloes Nieuwenhuis (+31 (0)53 7112 511)
Marloes Nieuwenhuis, born in 1980 in Enschede, graduated in 2005 on Chemical Technology at the University of Twente at the research group “The Design and Development of Industrial Processes”. Marloes started her career as process engineer at Tebodin Engineers where she worked on a project for gas storage in underground salt caverns. In 2006 she switched to Procede where she was projectleader of several process optimization projects in the food and pharmacy industry. At Procede she also develops and designs a new process for the deep and selective desulfurization of (bio)gas, which will be commercialized in 2009.
 
Ir. Nathalie Penders (+31 (0)53 7112 500)
Nathalie Penders (1969) finished the HTS of Dordrecht in 1992. Nathalie graduated in Chemical Technology from Twente University of Technology in 1995. In 1998 she received a certificate from the Biotechnology Studies Delft Leiden and has been officially registered as a Technical Designer by the KIVI (the Dutch Royal Institute of Engineers). In 1999 she started at TNO department Paper and Board, where she was responsible for the research on a.o. ink corrosion. In 2001 she changed to the Textile Research Centre of TNO, where she worked on water management, wastewater treatment and ultrasonic cleaning. In 2006 Nathalie switched to Procede. Her main focus is on the hydrogenation of fatty nitriles.
 
Ir. Wouter Wermink (+31 (0)53 7112 514)
Wouter Wermink (1982) studied chemical engineering at the University of Twente and graduated in 2006 on the subject "Determining the equilibrium values and kinetics for the synthesis of diphenyl carbonate from dimethyl carbonate and phenol." To this end he conducted a literature survey, experimental work, modeling and simulation runs to obtain the desired data. During his studies he did an internship at Shell Global Solutions regarding flow regime mapping in a trickle bed reactor. After his studies he started working at Procede as a process engineer on the GTBE project, a project regarding the development of a green diesel/gasoil additive. Wouter also works on projects for the improvement of the Fischer-Tropsch process.
 

Support Staff
Jasmien Arslan (+31 (0)53 7112 500)
In 2004 Jasmien started at Procede as trainee as part of her education to become secretary/management assistant. After graduation in the same year she became our full time secretary.
 
Peter Reekers (+31 (0)53 7112 521)
Since June 2008 Peter Reekers is our property caretaker.