1 Environmental Engineering and Reactor Technology The two former groups Separation and Environmental Technology and Reactor Technology were merged in The merge was motivated by similar research and teaching activities with respect to environmental engineering issues, especially in gas separation and capture of carbon dioxide. 32 PhD students and 10 postdocs/researchers

2 Environmental Engineering and reactor technology May-Britt Hägg Jens-Petter Andreassen D. Malthe- Sørenssen Teachers and Supervisors: Tom-Nils Nilsen Hallvard SvendsenHugo Jakobsen Magne Hillestad Jon Samseth

3 Reactor technology (Jakobsen/Svendsen): Reactor design and understanding of the interplay between fluid flow, transport phenomena, reaction kinetics/equilibrium, thermodynamics, and interfacial transport phenomena/equilibrium in multicomponent multiphase mixtures. –TKP4160 Transport Phenomena 7. term (Jakobsen and Svendsen) –TKP4145 Reactor Technology 8. term (Jakobsen) –Specialization modules (9. term) :TKP 12 Reactor Modeling Process Design (Hillestad): Understanding and simulation of an overall process (Syngas production, Methanol and ammonia, FT technologies, Polyolefin, CO 2 capture) –TKP4165 Process Design, mandatory 6 th term (Hillestad) –TKP4170/71 Process Design Projects, mandatory 7 th or 8 th term (Hillestad) –Specialization module: TKP9 Advanced process simulation (Hillestad/Preizig) Membrane technology (Hägg): The understanding of how membranes can be used for gas and liquid separation – transport phenomena and materials technology. Manufacture and material development of new membranes. –Specialization module: TKP14 Membrane separation and adsorption (Hägg) Research Activities and Teaching

4 Crystallization and Particle Design (Andreassen): The formation of unwanted or desired crystalline products (nanoparticles, pharmaceutical products and impurity removal/scaling) – separation and development of new materials. –TKP4190 Fabrication and Application of Nanomaterials (Andreassen, Glomm) –Specialization module: TKP15 Crystallization and particle design CO 2 -Capture (Svendsen and Hägg, Hillestad, Jakobsen, Andreassen): Capture of CO 2 by absorption (small and large scale), by membrane separation, with simultaneoues crystallization analyzed by rector modelling and process design –Specialization module:TKP13 Gas purification (Hägg/Svendsen) Research Activities and Teaching

5 Reactor Technology Transport Phenomena Reactor analysis and design Gas cleaning Process control Weather forecast Oil and gas transport Transport Phenomena provide fundamental modeling principles with universal applicability! Acid rain climate Modeling Methodology: Problem analysis (physical understanding of the problem) Modeling (mathematical representation of these physics) Numerical solution methods Implementation (programming) Parallelization (more programming) Supercomputing (expensive computer) Model validation (everything correct and physical?) Simulation/analysis (back to the learning outcome…?) Topics of reseach/projects: Reactor modeling and analysis Sorption Enhanced Steam Methane Reforming, Chemical Looping Reforming, Chemical Looping Combustion, etc Interfacial transport (bubble/droplet coalescence/breakage)

6 Process Design Project / Master topics –The effect of operational parameters in a methanol plant –Reduce CO 2 and NOx emissions from offshore oil and gas platforms (reserved) –Systematic Staging in Chemical Reactor Design –Dynamic modelling and simulation of a CO 2 capture plant –Modelling and optimization of a Gas-to-Liquid plant –Topic given by StatoilHydro (Excursion to Snøhvit) Process Technologies –Syngas production –Methanol and ammonia –FT technologies –Polyolefin –CO 2 capture

7 Membrane research 1Purification of (CO 2, VOC, SF 6..) and up-grading of natural gas. 2Renewable energy (H 2, oppgrading biogas) 3Purification of aggressive gases (Cl 2, HCl, SO 2 …) 4Simulation of environmental membrane processes for energy optimization 5Membranes in bioprosesser (biodiesel, bioethanol) 6Membran hollow fibre spinning Research Focus : MATERIAL DEVELOPMENT & TRANSPORT Phenomena through MEMBRANES CO 2 -selective hollow fibre membrane to separate CO 2 from mixtures of CO 2 /H 2 CO 2 + H 2 CO 2 H2H2

8 Specialization Projects/Master Theses – Membrane technology Clean technology: Production and regeneration of carbon hollow fibre membranes for gas separation The effect of flue gas pollutants (NOx and SO2) on FSC (fixed-site carrier) membrane performance The effect of natural gas contaminants on FSC (fixed-site carrier) blend membrane performance and the normalization of the durability set-up for FSC membrane Hydrodynamical studies for a large scaled membrane module Influence of pH on salt rejection for osmotic membranes Two of the most pronounced challenges internationally are the demand for clean water and clean energy. Membrane processes are held as very sustainable methods to achieve this

9 Modelling examples: Secondary reformer (fixed bed) Methanol reactor (fixed bed and slurry) Dehydrogenation Fischer Tropsch (bubble column, multiphase monolite) Desulfurization Polymer reactors Bio-reactors Experimental: Fluid bed Fixed bed Slurry reactors (Bubble columns and three phase reactors ) Agitated tanks A stirred tank used for studies of heat transport and flow phenomena. Reactor modelling and experimental validation CO 2 -capture pilot plant

10 Specialization projects –CO 2 -capture and fluid behaviour. The effects of HF and SO2 on MEA and ammonia solvents VLE for the CO2-MEA system at different concentration of MEA CO2 absorpsjon: Kinetikkmålinger CO2 absorpsjon: Likevektsmålinger for uladete systemer. Task 1- 2D Droplet-droplet study at different pressures studied using a high resolution model at the NJORD supercomputer Acquiring droplet distribution from high pressure jet atomization Experimental Measurement of Interfacial Tension by Using Pendant Drop Technique Experimental Characterization of Gas scrubbers Characterization of the entrainment fraction for gas-liquid systems

11 Crystallization and particle design Specialization Projects/Master Theses Size-enlargement of carbonate particles from natural gas production lines by alginate assisted agglomeration CO2-capture in carbonate solutions in a lab-scale absorber with simultaneous precipitation Spherulitic growth of crystals in solution Crystallization of two polymorphs in the production of a contrast agent compound.