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20131203 NL GUTS Presentations Crystallisation

Last updated 956 days ago by Albert Verver

Group of Users of Technology for Separation in the Netherlands




20131203 Shell Global Solutions - Mr. Lodi Schoon – Potassium carbonate to sequester CO2

Shell develops a route for the capture of CO2 via accelerated absorption in a potassium carbonate solution and precipitate it as potassium carbonate. The process utilizes the carbonate to bicarbonate reaction for the absorption of CO2 followed by precipitation and concentration of part of the bicarbonate before entering the regenerator to produce concentrated CO2 by temperature increase. This process can be an attractive alternative for existing carbon-capture post-combustion technologies because of its energy efficiency potential. Screening pilot plant experiments have shown sufficiently high cyclic loadings and confirmed the operation at the predicted low stripping steam rates. The CO2 vapour pressure of lean solvent entering the absorber was low enough to supply sufficient driving force for 90% removal of CO2 from flue gas containing 4% CO2. This needs to be further demonstrated in a further improved pilot-plant set-up. www.shell.com


20131203 KWR Water Recycle Research Institute – Mrs. Sara Salvador Cob – Towards Zero Liquid Discharge by Combining Crystallization, Ion Exchange, Nanofiltration and Reverse Osmosis

KWR develops a process for ZLD at a high water recovery rate from different (waste)water sources. The process entails cation exchange to reduce scaling potential on NF and RO, NF to increase the recovery of RO at acceptable permeability. Silica precipitation on the membranes was resolved. The ion exchange regenerate and the RO concentrate (2% of feed flow) were further concentrated with Eutectic Freeze Crystallization, including several washing steps, generating a very pure water stream and good quality NaCl and NaHCO3 salts. The total result is 99,9% water recovery and 0,1% waste. www.kwrwater.nl


20131203 TU Delft - Mr. Samir Kulkarni – Nucleation Kinetics of Organic Compounds

For many crystal products polymorphism is not desired. Control of polymorphism is difficult. At TUD the approach from the kinetics of nucleation aims at controlled nucleation to reduce polymorphism. Experiments with nucleation of the same crystal compound in different solvents and by using different functional groups for heterogeneous nucleation made possible to steer crystal formation. Results of modeling and experiments showed good correspondence. The experiments resulted in a predictive tool. www.tudelft.nl


20131203 TechnoForce – Mr. Raosaheb Patil - Study of supersaturation and energy dissipation fields for improved crystallizer design

TechnoForce is a 23 years SME in India of 130 personnel with an office and pilot facility at Chemelot. The facility has several pilot units for distillation, evaporation, drying and fractionation on basis of different technologies. One of their developments is a tube plug flow crystallizer. This tube plug flow crystallizer was developed by CFD analysis of existing evaporative, cooling and vacuum crystallizer technologies, supported by lab experiments. This CFD analysis revealed that uniformity in mixing energy, uniformity in super-saturation, controlled primary nucleation, minimum attrition, minimum secondary nucleation and uniform time for crystal growth are compromised in current commercial crystallisers. In comparative tests in The Netherlands, the Technoforce tube crystalliser with specific internals is near plug flow and features more uniform crystals and larger capacities. www.technoforce.net


20131203 Lely Industries / TUD – Mrs. Shiva Shayegan Salek – Potential to have CO2 sequestration as a mineral by environmental biotechnology processes

Lely Industries is HQ’ed in The Netherlands and produces agriculture equipment, machines, dairy robots, automated feed systems and green energy processes. It operates internationally in about 60 countries. During anaerobic digestion of organics CO2 is formed together with methane. Instead of becoming part of biogas, this CO2 can also be sequestered by silicates, producing silica and carbonates creating three benefits: biogas enriched in CH4, more stable digester pH and a sink for CO2 of which the precipitated carbonates either add to the fertilizer quality of digested organics or can serve as construction material. If the sequestration CO2 takes place in the anaerobic bioreactor, energy consuming silicate pre-processing is not required, which gives an additional saving on CO2 emissions. When applied on a large scale, the potential is sequestration of 1,5-2% of all human CO2 production. www.lely.com


20131203 DSM – Mr. Rob Geertman: Crystallization @ DSM: shifting focus in a shifting environment

DSM R&D activities in a historical context from coal mining via petrochemicals to life sciences and materials, has developed from in-company driven to current open innovation policy necessary to accommodate the large number of processes and products for which the DSM (crystallization) R&D groups work. Considering the fast changes in products, switch to biobased, shift from products to functions and the frequent divestments and investments, cooperation with other companies, academia and especially SME technology suppliers provides the teams of inventors, innovators and finishers required for the flexibility, pace and innovative power for an international company today for the future. www.dsm.com


20131203 Chemelot Campus – Mr. Hugo Delissen: Introduction to Chemelot Campus

Chemelot, originating from the DSM R&D department, is one of the larger materials and life sciences communities in Europe. It focuses on accelerated business growth for all involved. Predominantly funded by DSM (shareholder and site owner), Maastricht University (Shareholder) and Province of Limburg, it brings together start-ups, SME technology companies, SME production companies, academia and multinational companies for co-development of innovative sustainable processes, products and materials. Chemelot today houses 42 companies and 2 knowledge institutes, providing 1.350 jobs (50% more than during DSM period) and 200 students a working place in fields of mechanical engineering, chemical engineering, polymers, materials, life science and biotechnology. Chemelot services comprise R&D facilities, financing support, an international network, business development assistance, to be extended with a pilot plant area and a service boulevard to give SME’s access to knowhow and expertise. www.chemelot.com


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Visit the NL GUTS website www.processinnovation.nl/nlguts
For more information about NL GUTS please contact:
Jan Koning (chairman NL GUTS)
tel +32 473 976 135 - koning@trionpartners.nl
Bart Manders  (contact at RVO)
tel +31(0)88 602 2329 - bart.manders@rvo.nl

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