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Title:
EFFICIENT DENITRIFICATION AND PHOSPHORUS REMOVAL SYSTEM FOR TREATING AQUACULTURE TAIL WATER
Document Type and Number:
WIPO Patent Application WO/2020/238020
Kind Code:
A1
Abstract:
The present invention provides an efficient denitrification and phosphorus removal system for treating aquaculture tail water. The system comprises a tail water treatment bio-filter, a suspension filler, a direct-current yin-yang electrode array combination, an electric stirring device, and a carbon source replenishment device; the suspension filler is provided in the tail water treatment bio-filter; the direct-current yin-yang electrode array combination is provided at the upper part of the tail water treatment bio-filter; the electric stirring device is provided at the lower part of the tail water treatment bio-filter; a sludge hopper is provided at the bottom of the tail water treatment bio-filter; the electric stirring device is provided above the sludge hopper; the carbon source replenishment device is connected to the tail water treatment bio-filter by means of a pipeline; the volume ratio of the suspension filler to water in the tail water treatment bio-filter is 20%-50%; the density of the suspension filler is 0.92-0.98 g/cm3. The present invention has the advantages of high denitrification and phosphorus removal treatment efficiency, small occupied area, no need of air pump oxygenation, energy saving, low costs, no secondary pollution, simplicity and convenience in management and the like.

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Inventors:
JIANG XINGLONG (CN)
Application Number:
PCT/CN2019/115481
Publication Date:
December 03, 2020
Filing Date:
November 05, 2019
Export Citation:
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Assignee:
UNIV JIMEI (CN)
International Classes:
C02F1/461; A01K63/04; C02F3/08; C02F3/30; C02F3/34
Foreign References:
CN1245779A2000-03-01
CN110240257A2019-09-17
CN110255809A2019-09-20
CN110240354A2019-09-17
CN110240353A2019-09-17
CN110156263A2019-08-23
CN107986567A2018-05-04
CN105152351A2015-12-16
CN204385018U2015-06-10
KR20090098544A2009-09-17
Attorney, Agent or Firm:
XIAMEN SHINHWA PATENT & TRADEMARK AGENCY CO., LTD (CN)
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