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Membrane reactor

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A lipase-immobilized biphasic membrane reactor was applied for the optical resolution of racemic 2-hydroxy octanoic acid. Lipase from Candida rugosa or Pseudomonas cepacia was used as ...
Desalination 149 (2002)

A La0.7Sr0.3Ga0.6Fe0.4O3-δ membrane with perovskite structure is fabricated by a conventional solid-state reaction. As the oxygen permeation flux of the La0.7Sr0.3Ga0.6Fe0.4O3-δ... confirmed that Ga-based membranes have a phase stability. Keywords: La0.7Sr0.3Ga0.6Fe0.4O3-δ; La0.6Sr0.4CoO3-δ coating; Perovskite; Membrane reactor; Oxygen permeation; Stability 1. Introduction Inorganic membranes are used for water purification, harmful particle separation, and gas separatio ...
Desalination 147 (2002)

A hybrid process, consisting of ozonation and membrane filtration, followed by activated carbon filtration, was studied in demonstration scale for the drinking and service water production from surface... from surface water in Thailand. The main focus of this study centred on the evaluation of the entire process, especially on the membrane reactor technology under tropical conditions. To this end a demonstration plant with a capacity of about 5 m3/h in continuous operation was designed an ...
Desalination 222 (2008)

... hydride were proposed to lower the freezing point. The hydrogen recovery from the mixtures was testified by being dehydrogenated with a palladium membrane reactor up to 300 C and 4 bar, in which hydrogen generated was selectively separated from the catalyst-packed bed through a palladium membrane ...
Desalination 234 (2008)

... (“super” acids) or polymeric sulfonic acids. To overcome decrease in catalyst performance by time and to increase product selectivity a membrane reactor approach is suggested and first successful results are presented. Desalination 144 (2002) 417–418 Catalytic membranes: alken ...
Desalination 144 (2002)

... nitrification microorganism. Therefore if SRT gets shorter, it is hard to stabilization the nitrification microorganism. In this study, we used membrane bioreactor to make high MLSS and long SRT and operated additional nitrification reactor for advanced nitrification. So our study was performed o ...
Desalination 223 (2008)

This work addresses the enzymatic hydrolysis of beechwood xylan on a membrane reactor with tangential flow over an ultrafiltration membrane. The hydrolysis was carried out on concentration mode, with circulating substrate, and results were compared with those obtained for batch assays.
Desalination 149 (2002)

Mathematical models have been developed to calculate the mass transfer rates through catalytic membrane layer and through the concentration boundary layer by means of explicit, closed expressions for first-order and zeroorder bioreactions as well as... by the Hungarian Research Foundation under Grants OTKA 63615/2006. Desalination 246 (2009) 49–63 Mass transport through biocatalytic membrane reactor Endre Nagy*, Edina Kulcsár University of Pannonia, FIT, Research Institute of Chemical and Process Engineering, P.O. Box 158, 8201 Veszprém ...
Desalination 246 (2009)

Concentration and/or space-dependent diffusive and convective mass transport, through flat sheet, anisotropic membrane layer or membrane bioreactor through dense or porous membrane, were investigated. A quasi-analytical solution is presented in order to estimate the concentratio ...
Desalination 240 (2009)

The studies of a conversion of KCl with H2SO4 into KHSO4 were performed using a reactor associated with direct contact membrane distillation (DCMD). Polypropylene (PP) capillary membranes were used in the experiments. The feed comprised of solutions containing 1 mol of KC ...
Desalination 246 (2009)

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