نتایج جستجو برای: trickle bed reactor

تعداد نتایج: 76241  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

a one dimensional dynamic model for a riser reactor in a fluidized bed catalytic cracking unit (fccu) for gasoil feed has been developed in two distinct conditions, one for industrial fccu and another for fccu using various frequencies of microwave energy spaced at the height of the riser reactor (fccu-mw). in addition, in order to increase the accuracy of component and bulk diffusion, instanta...

2007
Chungsying Lu Kwotsair Chang Shihchieh Hsu

The goal of this study is to investigate the performance of a pilot-scale trickle-bed air biofilter (TBAB) for treating volatile organic compounds (VOCs) emitted from a manufacturer of optoelectronic apparatus. Different empty-bed residence times (EBRTs) of 90, 60, 30, 20 and 15 s were evaluated. Greater than 90% VOC removal efficiencies were achieved at EBRTs longer than 20 s. EBRTs of 20-30s ...

Journal: : 2023

The catalytic wet air oxidation (CWAO) of phenol has been studied in a trickle bed reactor
 using active carbon prepared from date stones as catalyst by ferric and zinc chloride activation (FAC ZAC). activated carbons were characterized measuring their surface area adsorption capacity besides conventional properties, then checked for CWAO reactor operating at different conditions (i.e. pH,...

Journal: :iranian journal of public health 0
jalil jafari dept. of environmental health engineering, school of public health, tehran university of medical sciences, tehran, iran. alireza mesdaghinia dept. of environmental health engineering, school of public health, tehran university of medical sciences, tehran, iran. ramin nabizadeh dept. of environmental health engineering, school of public health, tehran university of medical sciences, tehran, iran. mehrdad farrokhi dept. of environmental health, school of public health, guilan university of medical sciences, rasht, iran. amir hossein mahvi dept. of environmental health engineering, school of public health, tehran university of medical sciences, tehran, iran ; center for solid waste research, institute for environmental research, tehran university of medical sciences, tehran, iran.

anaerobic treatment methods are more suitable for the treatment of concentrated wastewater streams, offer lower operating costs, the production of usable biogas product. the aim of this study was to investigate the performance of an anaerobic fluidized bed reactor (afbr)-aerobic moving bed bio reactor (mbbr) in series arrangement to treat currant wastewater.the bed materials of afbr were cylind...

Journal: :Chemical Engineering Science 2007

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