Results 21 to 30 of about 1,452,341 (273)

Methane management in sewage treatment [PDF]

open access: yes, 2011
Poly-di-methyl-siloxane (PDMS) hollow fibre membrane modules were designed and built for the specific de-gassing of real and synthetic process liquids to understand: (i) the feasibility of operation; and (ii) classify the mass transfer characteristics to
Cookney, Joanna
core   +7 more sources

Modeling and Simulation of pervaporation membrane reactor during levulinic acid esterification process with ethanol to produce ethyl levulinate: computational fluid dynamic (CFD) analysis [PDF]

open access: yesمجله مدل سازی در مهندسی, 2021
In the present study, the performance of the pervaporation membrane reactor during the esterification reaction of levulinic acid with ethanol to produce ethyl levulinate was modeled based on computational fluid dynamics (CFD) method.
Milad Ghahremani   +2 more
doaj   +1 more source

A Theoretical Analysis on a Multi-Bed Pervaporation Membrane Reactor during Levulinic Acid Esterification Using the Computational Fluid Dynamic Method

open access: yesMembranes, 2021
Pervaporation is a peculiar membrane separation process, which is considered for integration with a variety of reactions in promising new applications.
Milad Ghahremani   +3 more
doaj   +1 more source

Membrane electrochemical reactors (MER) for NADH regeneration in HLADH-catalysed synthesis: comparison of effectiveness [PDF]

open access: yes, 2004
Two membrane electrochemical reactors(MER) were designed and applied to HLADH-catalysed reduction of cyclohexanone to cyclohexanol. The regeneration of the cofactor NADH was ensured electrochemically, using either methyl viologen or a rhodium complex as
Basséguy, Régine   +2 more
core   +1 more source

Dehydroisomerization Reaction in a Membrane Reactor: Thermodynamic Analysis

open access: yesChemical Engineering Transactions, 2013
A study of a dehydroisomerization reaction in a membrane reactor has been carried out and the n-butane dehydroisomerization was chosen for its industrial relevance of the iso-butene, a useful product in MTBE and polymers production.
G. Barbieri   +5 more
doaj   +1 more source

Simulation studies of process scale membrane aerated biofilm reactor configurations [PDF]

open access: yes, 2013
4th International Water Association Membranes Conference, Harrogate, UK, January, 2007In the membrane aerated biofilm reactor oxygen diffuses through the membrane into the biofilm where oxidation of pollutants, supplied from the biofilm side of the ...
Casey, Eoin
core   +1 more source

Enzymatic Hydrolysis of Oil Palm Empty Fruit Bunch using Membrane Reactor

open access: yesChemical Engineering Transactions, 2017
Enzymatic hydrolysis of oil palm empty fruit bunch (EFB) was performed in a membrane reactor system. The reactor was incorporated with polyethersulfone (PES) ultrafiltration membrane to increase the cellulose conversion and reduce enzyme dosage ...
N.F. Ghazali   +3 more
doaj   +1 more source

Topochemical Engineering of Cellulose—Carboxymethyl Cellulose Beads: A Low-Field NMR Relaxometry Study

open access: yesMolecules, 2020
The demand for more ecological, highly engineered hydrogel beads is driven by a multitude of applications such as enzyme immobilization, tissue engineering and superabsorbent materials.
Pieter De Wever   +5 more
doaj   +1 more source

Model-Based Quality, Exergy, and Economic Analysis of Fluidized Bed Membrane Reactors

open access: yesMembranes, 2021
In petroleum refineries, naphtha reforming units produce reformate streams and as a by-product, hydrogen (H2). Naphtha reforming units traditionally deployed are designed as packed bed reactors (PBR). However, they are restrained by a high-pressure drop,
Tabassam Nafees   +8 more
doaj   +1 more source

Gravity-Driven Membrane Reactor for Decentralized Wastewater Treatment: Effect of Reactor Configuration and Cleaning Protocol. [PDF]

open access: yesMembranes (Basel), 2021
In this study, three gravity-driven membrane (GDM) reactors with flat sheet membrane modules and various biocarriers (synthetic fibers, lava stones, and sands) were operated for municipal wastewater treatment.
Shami IUH, Wu B.
europepmc   +2 more sources

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