نتایج جستجو برای: blank samples and required anaerobic sludge were achieved through a bench scale anaerobic baffled reactor abr while in 1 liter beakers

تعداد نتایج: 24294687  

2018

Brewing is the process is for production of beer [1,2]. It is said that for every 1 liter of beer production approximate 10 liters of water is used [3]. The water in any brewery is typically used for brewing, rising and cooling process [3]. The various steps that are involved in brewing process are malt production and handling, worth preparation, fermentation, filtration, CIP and finally packag...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1391

the ability of composing a coherent and extended piece of writing in second language is considered as a fundamental factor to convey information and ideas of learners through the academic issues. although learners may achieve a perfect academic writing skill through assigning the l2 tasks in content based instruction, but demonstration of their abilities may be related to their ability in l1 es...

2015
Rosa-Elena Yaya-Beas Jules B. van Lier Grietje Zeeman

This research was conducted to study the anaerobic sludge filtration capacity regarding helminth egg removal in upflow anaerobic sludge blanket (UASB) reactors. Two 25 L lab-scale UASB reactors were operated at an ambient temperature which varied between 17.1 and 28.6 °C. Ascaris suum egg was selected as the model egg considering its similarity in terms of size and morphology to Ascaris lumbric...

Journal: :international journal of environmental research 2015
m. p. shah

the main theme to conduct present research work was to evaluate the effect of anaerobic granular sludge in degradation of two azo dyes. the study was evaluated in batch experiments where anaerobic and aerobic conditions were integrated by exposing anaerobic granular sludge to oxygen. under these conditions, the azo dyes were reduced, resulting in a temporal accumulation of aromatic amines. subs...

Journal: :نشریه بازیافت آب 0
رضا حیدری تهران، دانشگاه تربیت مدرس، دانشکدة مهندسی شیمی سیدمحمد موسوی تهران، دانشگاه تربیت مدرس، دانشکدة مهندسی شیمی آرزو جعفری تهران، دانشگاه تربیت مدرس، دانشکدة مهندسی شیمی سید امید رستگار تهران، دانشگاه تربیت مدرس، دانشکدة مهندسی شیمی

nowadays, with the industry development, a lot of waste is produced damaging the environment. among wastewater treatment methods, anaerobic techniques have been highly regarded due to numerous advantages. in anaerobic systems, upflow anaerobic sludge blanket (uasb) reactor has many features. in this study using computational fluid dynamics techniques, three-phase reactor hydrodynamics in two an...

Journal: :international journal of environmental research 0
t. amani biotechnology group, chemical engineering department, faculty of engineering,tarbiat modares university, p.o. box 14115-143, tehran, iran m. nosrati biotechnology group, chemical engineering department, faculty of engineering,tarbiat modares university, p.o. box 14115-143, tehran, iran t.r. sreekrishnan department of biochemical engineering and biotechnology, i.i.t., delhi 110016, india

key dissimilarities between thermophilic and mesophilic anaerobic digestion of waste activated sludge (was) were experimentally studied in this research. typical was with total solids (ts) concentrations of 30 and 60 g/l were digested anaerobically in a batch digester at mesophilic and thermophilic temperatures. solids reduction, total cod changes, the production of different volatile fatty aci...

2016
Meiqing Lu Xiaojun Niu Wei Liu Jun Zhang Jie Wang Jia Yang Wenqi Wang Zhiquan Yang

The effect of tetracycline (TC) antibiotic on biogas generation in anaerobic wastewater treatment was studied. A lab-scale Anaerobic Baffled Reactor (ABR) with three compartments was used. The reactor was operated with synthetic wastewater in the absence of TC and in the presence of 250 μg/L TC for 90 days, respectively. The removal rate of TC, volatile fatty acids (VFAs), biogas compositions (...

Journal: :iranian journal of public health 0
s. naseri a.r. mesdaghinia r. rezaee kalantari

a pilot anaerobic filter was used to remove cod from babolsar fiberboard production wastewater. the anaerobic filter was packed with ceramic packings and operated at different organic loading rates of 2.4 and 8 kg cod/m3 /day, in 20, 10 and 5 days hydraulic retention time (hrti), respectively. the reactor achieved cod removal of 80.3%, 81% and 79% for hrt 20, 10 and 5 days, respectively. in add...

Background and purpose: Microbial electro-Fenton system as a novel technology can be employed in removal of resistant organic pollutants along with generation of renewable electrical energy through the activity of anaerobic microorganisms. This study aimed at investigating the performance of this process in treatment of synthetic wastewater containing tetracycline and generation of electricity ...

2012
Nader Mokhtarani Hossein Ganjidoust Ebrahim Vasheghani Farahani

Polyhydroxyalkanoates are known to be temporarily stored by microorganisms in activated sludge, especially in anaerobic-aerobic processes. Due to the problems resulted from the disposals of plastic wastes and excess sludge of wastewater treatment plants, the production of polyhydroxyalkanoates by treating activated sludge and determining the effect of process variables were the main issues of t...

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