APPLICATION OF AN INTEGRATED RBC-AS& AN UP-FLOW A/O SLUDGE FIXED FILM (UAASFF) BIOREACTOR REMOVING NUTRIENT FROM WASTEWATER
Publish place: International Conference on Water and Wastewater with focus on Privatization and Benchmarking
Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICWW01_041
تاریخ نمایه سازی: 25 بهمن 1389
Abstract:
A comparative study was carried out on performance of an integrated rotating biological contactor and activated sludge system RBC-AS and an up -flow aerobic/ anoxic sludge fixed film UAASFF bioreactor removing nutrient . The eexperiments were conducted based on a central composite design CCD and analyzed using response surface methodology RSM . the systems performance were assessed by varying four significant independent variables for RBC-AS hydraulic retention time HRT chemical oxygen demand to amonical nitrogen ratio COD/N , internal recirculation from the aerobic to the anoxic zone R and rotating disks speed R and three variables for UAASFF bioreactor hydraulic retention time HRT , chemical oxygen demand to ammonical nitrogen ratio COD/N-NH4+,and aeration time.
Authors
A akhbari
department of analytical chemistry faculty of chemistry razi university , kermanshah
A.A.L zinatizadeh
department of applied chemistry faculty of chemistry razi university kermanshah iran
y mansouri
department of analytical chemistry faculty of chemistry razi university , kermanshah
m irandoust
department of analytical chemistry faculty of chemistry razi university , kermanshah
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