نتایج جستجو برای: membrane bioreactor mbr

تعداد نتایج: 394910  

Journal: :iranian journal of toxicology 0
مجید حسین زاده majid hosseinzadeh graduate faculty of environment, university of tehran, tehran, iran. غلامرضا نبی بیدهندی gholamreza nabi bidhendi graduate faculty of environment, university of tehran, tehran, iran. علی ترابیان ali torabian graduate faculty of environment, university of tehran, tehran, iran. ناصر مهردادی naser mehrdadi graduate faculty of environment, university of tehran, tehran, iran.

background: considering the toxic effects of heavy metals and microbial pathogens in industrial wastewaters, it is necessary to treat metal and microbial contaminated wastewater prior to disposal in the environment. the purpose of this study is to assess the removal of heavy metals pollution and microbial contamination from a mixture of municipal and industrial wastewater using membrane bioreac...

Broomcorn seed (Sorghum vulgare) was used as raw material for bioethanol production. Optimum conditions were obtained from response surface method. Broomcorn seed flour (45 g/l) was treated by alkaline treatment and dual enzymatic hydrolysis (0.7 g/l of α- amylase and 0.42 g/l of amyloglucosidase). The hydrolyzed total sugar of 25.5 g/L was used in conventional bioethanol production (8.1 g/l) u...

2017
Nurazizah Mahmod Norhaliza Abdul Wahab

Membrane bioreactor (MBR) technology is a new method for water and wastewater treatment due to its ability to produce better and high-quality effluent that meets water quality regulations. MBR also is an advanced way to displace the conventional activated sludge (CAS) process. Even this membrane gives better performances compared to CAS, it does have few drawbacks such as high maintenance cost ...

Journal: :محیط شناسی 0
مجید حسین زاده دکتری مهندسی محیط زیست- آب و فاضلاب دانشکده محیط زیست دانشگاه تهران غلامرضا نبی بیدهندی استاد گروه مهندسی محیط زیست دانشکده محیط زیست دانشگاه تهران علی ترابیان استاد گروه مهندسی محیط زیست دانشکده محیط زیست دانشگاه تهران محمد سیروان علیمرادی - حسین نایب دانشگاه تهران

introductioncurrently, treated industrial wastewater is discharged to the environment in most industrial towns in iran. it is, however, a potential water resource for produce industrial process water. for reach this reuse application, further treatment would be needed. nowadays membrane separation processes are becoming quite popular in wastewater treatment and reclamation, since they combine p...

2008
Chia-Yuan Chang Jing-Song Chang Saravanamuthu Vigneswaran Jaya Kandasamy

A pilot-scale study of pharmaceutical wastewater treatment by a membrane bioreactor (MBR) process in southern Taiwan is presented in this paper. A 10 m/day capacity MBR plant consisting of an aeration tank and a membrane bioreactor was installed to remove organic matter (measured in terms of chemical oxygen demand (COD)). The performance of the MBR was monitored for a period of 140 days. The re...

Journal: :Water research 2010
Byung-Kook Hwang Jae-Hyuk Kim Chang Hoon Ahn Chung-Hak Lee Jae-Yoon Song Young-Hyun Ra

We have combined a turbulent jet flow ozone contactor (TJC) with a membrane bioreactor (MBR) to establish a zero-discharge system in terms of excess sludge in the MBR. The TJC-MBR system was compared with the conventional MBR (Control-MBR) with respect to i) the size and zeta potential of the sludge particles, ii) the loosely bound extra-cellular polymeric substances (EPSs) and tightly bound EP...

Journal: :E3S web of conferences 2023

Membrane bioreactor (MBR) is an efficient wastewater treatment technology, which produced by combining membrane technology and biological has the characteristics of stable water quality shock load resistance, been widely used in domestic treatment. Anaerobic ammonia oxidation (ANAMMOX) a new type denitrification with advantages low energy consumption, oxygen demand, carbon source saving good ec...

2012
Maneerat Tiranuntakul

This paper aims to broaden a better understanding of extracellular polymeric substances (EPS) and its impact on fouling in membrane bioreactor (MBR). Some fundamental knowledge about EPS and MBR fouling was covered in this paper in several aspects including definition of EPS, evaluation of EPS, influencing factors on EPS production and responsibility of EPS on MBR fouling mechanisms.

Ali Torabian, Gholamreza Nabi Bidhendi, Majid Hosseinzadeh, Naser Mehrdadi,

Background: Considering the toxic effects of heavy metals and microbial pathogens in industrial wastewaters, it is necessary to treat metal and microbial contaminated wastewater prior to disposal in the environment. The purpose of this study is to assess the removal of heavy metals pollution and microbial contamination from a mixture of municipal and industrial wastewater using membrane biorea...

Journal: :تحقیقات نظام سلامت 0
سمیه فاضلی دانشجوی کارشناسی ارشد مهندسی محیط زیست، دانشکده محیط زیست و انرژی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، تهران، ایران. محمد مهدی امین دانشیار، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران. امیر حسام حسنی استادیار، دانشکده محیط زیست و انرژی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، تهران، ایران. علی ترابیان استاد، دانشکده محیط زیست، دانشگاه تهران، تهران، ایران.

background: the purpose of this study was to investigate the efficiency of flat sheet membrane bioreactor (fs-mbr) in bod 5 and cod removal of isfahan south municipal wastewater treatment plant. methods: in this study a submerged fs-mbr, with 140 liters volume was fed using microfiltration membrane (mf) during 109 days and hydraulic retention time of 20 hours. findings: the mbr application in m...

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