System for reducing emission of nitrous oxide during sewage treatment

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United States of America Patent

PATENT NO 9764974
APP PUB NO 20150315050A1
SERIAL NO

14599973

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Abstract

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A system for reducing emission of nitrous oxide during sewage treatment, including: a regulating pool, a first aerobic constructed wetland, an anoxic pool, and a second aerobic constructed wetland. The water outlet of the regulating pool is connected to the water inlet of the top of the first aerobic constructed wetland via a pipe and a first control valve. The first aerobic constructed wetland includes sequencing batch constructed wetlands arranged in parallel. A branch pipe and a second control valve are disposed on the pipe between the regulating pool and the first aerobic constructed wetland. The outlet of the branch pipe and the water outlet of the first aerobic constructed wetland are combined together and connected to the water inlet of the bottom part of the anoxic pool. The anoxic pool is an upward flow biological filter.

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Patent Owner(s)

Patent OwnerAddress
CHONGQING UNIVERSITY400044 SHAPINGBA STREET SHAPINGBA DISTRICT CHONGQING NO 174 CHONGQING CITY CHONGQING CITY 400044

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Al, Nanping Chongqing, CN 2 1
Chai, Hongxiang Chongqing, CN 14 29
Fang, Junhua Chongqing, CN 2 4
He, Qiang Chongqing, CN 63 161
Kang, Wei Chongqing, CN 71 130
Liao, Yu Chongqing, CN 61 643

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