نتایج جستجو برای: fixed bed chromatographic reactors

تعداد نتایج: 272561  

Journal: :Chemical engineering 1965

Journal: :Chemical Engineering & Technology - CET 1988

Journal: :Japan journal of water pollution research 1987

Journal: :Journal of Environmental Conservation Engineering 1990

Journal: :The Canadian Journal of Chemical Engineering 1970

Fluidized bed was employed to investigate propane steam reforming over Ni-K/CeO2-Al2O3 catalyst. The catalyst was characterized by XRD, SEM, TG/DTA, and N2 adsorption-desorption tests. Effects of promoters, space velocity, temperature, and steam/propane (S/C) ratio on propane conversion, H2 yield, H2/CO ratio, and stability were studied and discussed. The experiments were carried out under cond...

Journal: :International microbiology : the official journal of the Spanish Society for Microbiology 2007
Vikas Sonakya Neena Raizada Martina Hausner Peter A Wildere

Microbial populations associated with methanogenic fixed- or floating-bed bioreactors used for anaerobic digestion of lignocellulosic waste were investigated. Fluorescent in situ hybridization (FISH) was used to characterize microorganisms in samples obtained from different heights in the reactors, which were operated in a semi-continuous manner (feeding and mixing once every 2 days). The FISH ...

The effect of catalyst particle size on dehydration of methanol to dimethyl ether is investigated using fixed bed and micro-channel reactors at different temperatures and weight hourly space velocities. The experiments were carried out at 290 and 320oC. The space velocities were changed from 10 up to 90h-1 and from 1.22 to 3.65h-1 for fixed bed and micro-channel reactors, respectively. Consider...

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