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Title:
AMMONIA STRIPPING TREATMENT APPARATUS FOR WASTEWATER CONTAINING ACIDIC COMPONENT AND AMMONIA, AND METHOD THEREFOR
Document Type and Number:
Japanese Patent JP2019166481
Kind Code:
A
Abstract:
To provide reduction of the amount of alkali used for wastewater.SOLUTION: An ammonia stripping treatment apparatus for wastewater containing an acidic component and ammonia, has: primary stripping treatment means 21 for performing ammonia stripping treatment of wastewater 10 containing an acidic component and ammonia in a stripping part with no alkali added to the wastewater or with alkali added thereto only by part of the total amount of addition; and secondary stripping treatment means 24 for performing ammonia stripping treatment of the water treated in the primary stripping treatment means 15 in the stripping part with the total amount of alkali added thereto or the remaining amount of it added thereto.SELECTED DRAWING: Figure 1

Inventors:
YUKI TOMOHIRO
IGARASHI JUN
HORIE MAI
ADACHI TAKIO
Application Number:
JP2018056963A
Publication Date:
October 03, 2019
Filing Date:
March 23, 2018
Export Citation:
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Assignee:
TSUKISHIMA KANKYO ENG LTD
International Classes:
C02F1/20
Domestic Patent References:
JPS5262958A1977-05-24
JPS523264A1977-01-11
JPS5474803A1979-06-15
JPH04277074A1992-10-02
JPS5316367A1978-02-15
JPS5542239A1980-03-25
JP2010115606A2010-05-27
JPS6193808A1986-05-12
Attorney, Agent or Firm:
Nagai International Patent Office