Title:
廃水処理システム
Document Type and Number:
Japanese Patent JP6815917
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a waste water treatment system which performs flocculation treatment appropriately without using dissolving water when using an emulsion-type polymer flocculant for waste water.SOLUTION: A waste water treatment system includes: a water passage through which waste water is caused to flow; an agitation tank 30 to which a part of waste water caused to flow through the water passage is introduced; a flocculant addition part 32 which adds an emulsion-type polymer flocculant P to waste water in the agitation tank 30; an agitation part 34 which agitates waste water in the agitation tank 30 and disperses the polymer flocculant P; and a separation tank which causes waste water other than a part introduced to the agitation tank 30 of waste water caused to flow through the water passage and waste water to which the polymer flocculant P is dispersed in the agitation tank 30 to flow thereinto, produces flocs from waste water by means of the polymer flocculant P and precipitates and separates the flocs therein.SELECTED DRAWING: Figure 6
Inventors:
Tomoya Okamura
Noboru Fujiwara
Hirofumi Goyama
Noboru Fujiwara
Hirofumi Goyama
Application Number:
JP2017069796A
Publication Date:
January 20, 2021
Filing Date:
March 31, 2017
Export Citation:
Assignee:
METAWATER Co., Ltd.
Hiyoshi Co., Ltd.
Hiyoshi Co., Ltd.
International Classes:
B01D21/01; B01D21/00; B01D21/30; C02F1/56
Domestic Patent References:
| JP11277072A | ||||
| JP7328319A | ||||
| JP2014024003A | ||||
| JP2001239297A | ||||
| JP2008307494A | ||||
| JP11300389A | ||||
| JP59098710A |
Attorney, Agent or Firm:
Sakai International Patent Office