Publications related to Gas absorption experiments in a pilot plant column with the sulzer structured packing mellapack

A heat transfer model for evaporation of coalescing bubbles in micro-channel flow

The current study presents a one-dimensional model of confined coalescing bubble flow for the prediction of micro-channel convective boiling heat transfer. Coalescing bubble flow has recently been identified as one of the characteristic flow patterns to be ...

Elsevier2010

Compact reactor for continuous multi-phase reactions

Martin Grasemann

The objective of this thesis is the development of a compact reactor for continuous three-phase reactions in single-pass configurations. The design is based on a bubble column reactor staged with layers of catalytic material. To make the reactor suitable f ...

EPFL2009

Three-Phase Catalytic Hydrogenation of a Functionalized Alkyne: Mass Transfer and Kinetic Studies with in Situ Hydrogen Monitoring

Albert Renken, Lioubov Kiwi, Martin Grasemann

Systematic studies of mass transfer interactions with intrinsic reaction kinetics were performed for the threephase selective hydrogenation of 2-methyl-3-butyn-2-ol (MBY) to 2-methyl-3-buten-2-ol (MBE) over a modified Pd/CaC

{O}_{3}

catalyst under solvent ...

2008

Novel structured adsorber and oxidation catalysts for the removal of VOCs in low concentration

Kim Martin Nikolajsen

One possibility for the removal of volatile organic compounds (VOCs) is catalytic oxidation. For the removal of VOCs in low concentration (≲ 3000 ppmv for propane) it is not possible to sustain the required oxidation temperature over the catalyst wit ...

EPFL2007

Domain structure and optical properties of colloidal photonic crystal

Heinrich Hofmann

Thin colloidal photonic crystals were grown using shear-flow crystallization of polystyrene colloidal nanoparticles. The arrays consist of two types of domains, which are clearly visible on scanning electron microscopy patterns. Both domains have cubic clo ...

2006

Validation of a Solution Model for the Optimization of a Binary Batch Distillation Column

Dominique Bonvin, Alejandro Gabriel Marchetti, Carsten Welz

For the optimization of dynamic systems, it is customary to use measurements to combat the effect of uncertainty. In this context, an approach that consists of tracking the necessary conditions of optimality is gaining in popularity. The approach relies st ...

2005

Aging in short-ranged attractive colloids: A numerical study

Giuseppe Foffi, Francesco Sciortino

The aging dynamics in a model for dense simple liquids, in which particles interact through a hard-core repulsion complemented by a short-ranged attractive potential, of the kind found in colloidal suspensions, was studied. Kinetically arrested disordered ...

2004

Manipulation of Self-Assembled Structures of Magnetic Beads for Microfluidic Mixing and Assaying

Martinus Gijs, Amar Rida

We present an original concept of manipulation of magnetic microbeads in a microchannel. It is based on the dynamic motion of a self-assembled structure of ferrimagnetic beads that are retained within a microfluidic flow using a local alternating magnetic ...

2004

Mixing Effects for the Structural Relaxation in Binary Hard-Sphere Liquids

Giuseppe Foffi, Francesco Sciortino

We report extensive molecular-dynamics-simulation results for binary mixtures of hard spheres for different size disparities and different mixing percentages, for packing fractions up to 0.605, and over a characteristic time interval spanning up to 5 order ...

2003

Bubble columns staged with structured fibrous catalytic layers: Residence time distribution and mass transfer

Albert Renken, Lioubov Kiwi, Volker Höller

A new reactor concept for catalyzed three-phase reactions based on the use of woven fibrous materials for bubble columns is suggested. In comparison to conventional multistage bubble columns, the trays are made from woven fibrous catalytic layers. The hydr ...

2001

Gas absorption experiments in a pilot plant column with the sulzer structured packing mellapack

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A heat transfer model for evaporation of coalescing bubbles in micro-channel flow

Compact reactor for continuous multi-phase reactions

Three-Phase Catalytic Hydrogenation of a Functionalized Alkyne: Mass Transfer and Kinetic Studies with in Situ Hydrogen Monitoring

Novel structured adsorber and oxidation catalysts for the removal of VOCs in low concentration

Domain structure and optical properties of colloidal photonic crystal

Validation of a Solution Model for the Optimization of a Binary Batch Distillation Column

Aging in short-ranged attractive colloids: A numerical study

Manipulation of Self-Assembled Structures of Magnetic Beads for Microfluidic Mixing and Assaying

Mixing Effects for the Structural Relaxation in Binary Hard-Sphere Liquids

Bubble columns staged with structured fibrous catalytic layers: Residence time distribution and mass transfer

Novel structured adsorber and oxidation catalysts for the removal of VOCs in low concentration

Three-Phase Catalytic Hydrogenation of a Functionalized Alkyne: Mass Transfer and Kinetic Studies with in Situ Hydrogen Monitoring

Validation of a Solution Model for the Optimization of a Binary Batch Distillation Column

Aging in short-ranged attractive colloids: A numerical study

Manipulation of Self-Assembled Structures of Magnetic Beads for Microfluidic Mixing and Assaying

Domain structure and optical properties of colloidal photonic crystal

A heat transfer model for evaporation of coalescing bubbles in micro-channel flow

Compact reactor for continuous multi-phase reactions

Mixing Effects for the Structural Relaxation in Binary Hard-Sphere Liquids

Bubble columns staged with structured fibrous catalytic layers: Residence time distribution and mass transfer