Sewage treatment system utilizing primary sludge fermentation
The invention provides a sewage treatment system utilizing primary sludge for fermentation. The system comprises: an anaerobic reactor comprising anaerobic zones and aerobic zones, wherein the aerobic zone is internally provided with an aeration system, and a water inlet zone beside the anaerobic zo...
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| creator | LIANG XIAOJUN QI XINGLEI SUN XIAOYU ZHANG GUOLIANG WANG QI ZHANG XIQING HAO JIANGANG ZHANG WENHUA LIU SHUXIA ZHANG HUANBO CHENG HAIJIAN WEI JING ZHU YUEMING ZHUANG HUISHUANG YANG SHITANG GAO YUNHANG ZHU YUANKUI SONG ENLIANG |
| description | The invention provides a sewage treatment system utilizing primary sludge for fermentation. The system comprises: an anaerobic reactor comprising anaerobic zones and aerobic zones, wherein the aerobic zone is internally provided with an aeration system, and a water inlet zone beside the anaerobic zone is provided with a stirrer; a post-settling tank connected with compartments, wherein a supernatant overflowing from the top of the compartment is discharged into the post-settling tank as effluent, and settled concentrated sludge returns to the inlet of an anti-anaerobic reactor through a sludge reflux pipe to be subjected to backmixing; and a denitrification reactor, wherein the upper portion of a fermentation reaction area is connected with a water storage tank, water flow and primary sludge are subjected to fermentation and denitrification reaction so as to remove nitrate nitrogen in influent, and water in a water outlet tank flows back to the anaerobic reactor through a reflux pipe. The system has the advan |
| format | Patent |
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The system comprises: an anaerobic reactor comprising anaerobic zones and aerobic zones, wherein the aerobic zone is internally provided with an aeration system, and a water inlet zone beside the anaerobic zone is provided with a stirrer; a post-settling tank connected with compartments, wherein a supernatant overflowing from the top of the compartment is discharged into the post-settling tank as effluent, and settled concentrated sludge returns to the inlet of an anti-anaerobic reactor through a sludge reflux pipe to be subjected to backmixing; and a denitrification reactor, wherein the upper portion of a fermentation reaction area is connected with a water storage tank, water flow and primary sludge are subjected to fermentation and denitrification reaction so as to remove nitrate nitrogen in influent, and water in a water outlet tank flows back to the anaerobic reactor through a reflux pipe. 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The system comprises: an anaerobic reactor comprising anaerobic zones and aerobic zones, wherein the aerobic zone is internally provided with an aeration system, and a water inlet zone beside the anaerobic zone is provided with a stirrer; a post-settling tank connected with compartments, wherein a supernatant overflowing from the top of the compartment is discharged into the post-settling tank as effluent, and settled concentrated sludge returns to the inlet of an anti-anaerobic reactor through a sludge reflux pipe to be subjected to backmixing; and a denitrification reactor, wherein the upper portion of a fermentation reaction area is connected with a water storage tank, water flow and primary sludge are subjected to fermentation and denitrification reaction so as to remove nitrate nitrogen in influent, and water in a water outlet tank flows back to the anaerobic reactor through a reflux pipe. 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The system comprises: an anaerobic reactor comprising anaerobic zones and aerobic zones, wherein the aerobic zone is internally provided with an aeration system, and a water inlet zone beside the anaerobic zone is provided with a stirrer; a post-settling tank connected with compartments, wherein a supernatant overflowing from the top of the compartment is discharged into the post-settling tank as effluent, and settled concentrated sludge returns to the inlet of an anti-anaerobic reactor through a sludge reflux pipe to be subjected to backmixing; and a denitrification reactor, wherein the upper portion of a fermentation reaction area is connected with a water storage tank, water flow and primary sludge are subjected to fermentation and denitrification reaction so as to remove nitrate nitrogen in influent, and water in a water outlet tank flows back to the anaerobic reactor through a reflux pipe. The system has the advan</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | CHEMISTRY METALLURGY TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE |
| title | Sewage treatment system utilizing primary sludge fermentation |
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