مقاله Performance of Wastewater treatment Plant in Amol Industrial Park با word
مقاله Performance of Wastewater treatment Plant in Amol Industrial Park با word دارای 8 صفحه می باشد و دارای تنظیمات در microsoft word می باشد و آماده پرینت یا چاپ است
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بخشی از متن مقاله Performance of Wastewater treatment Plant in Amol Industrial Park با word :
سال انتشار: 1386
محل انتشار: پنجمین کنگره بین المللی مهندسی شیمی
تعداد صفحات: 8
چکیده:
Amol’s industrial wastewater treatment plant was evaluated over a period of eight months (July 2005 and February 2006). The operating conditions were optimized for a period of one month, to obtain a suitable efficiency. The major problems associated with the treatment plant were chemical shock (high acidic influent), bulking and rising of sludge, low F/M andMLSS/ MLVSS ratios, inadequate mixing in equalization tank, inappropriate C/N/P ratio in the anaerobic and aerobic tanks. Based on diagnostic condition, fresh manure was added to the anaerobic digestion tank for the revival of anaerobic microbial consortium and then a 15% increase in removal efficiency was obtained in the anaerobic tank. Addition of urea and phosphate into the aerobic tank improved total removal efficiency of only 5%. The effluent COD concentration was decreased by 50%. Activated sludge and the sludge volume indices were improved by 15 and 27%, respectively.
