Title:
MIXED OXIDIZING AGENT FOR TREATING REFRACTORY WASTEWATER AND METHOD FOR TREATING WASTEWATER USING OXIDIZING AGENT
Document Type and Number:
WIPO Patent Application WO/2022/186475
Kind Code:
A1
Abstract:
The present invention relates to a mixed oxidizing agent for treating refractory wastewater and a method for treating wastewater using the oxidizing agent, and more specifically, is composed of: an oxidizing agent injection step of injecting, into refractory wastewater containing organic pollutants and ammonia nitrogen, a mixed oxidizing agent for treating wastewater, the mixed oxidizing agent composed of 1 to 99 mol% of persulfate and 1 to 99 mol% of a chlorine-based oxidizing agent; and an oxidizing agent activation step of activating the oxidizing agent contained in the refractory wastewater via the oxidizing agent injection step. The mixed oxidizing agent for treating refractory wastewater composed of the above components, and the method for treating wastewater using the oxidizing agent, can remove organic pollutants and ammonia nitrogen contained in the refractory wastewater with high efficiency and low cost.
Inventors:
HYUN JUN TAEK (KR)
LEE SEUNG HYUN (KR)
SHIN HYUN SU (KR)
KIM JUNG SIK (KR)
LEE SEUNG HYUN (KR)
SHIN HYUN SU (KR)
KIM JUNG SIK (KR)
Application Number:
PCT/KR2022/000786
Publication Date:
September 09, 2022
Filing Date:
January 17, 2022
Export Citation:
Assignee:
TECHWIN CO LTD (KR)
International Classes:
C02F1/72; C02F1/58; C02F1/66
Foreign References:
| KR20180049828A | 2018-05-11 | |||
| JP2021023869A | 2021-02-22 | |||
| US20010001655A1 | 2001-05-24 | |||
| KR100481730B1 | 2005-04-11 | |||
| JP2019043891A | 2019-03-22 | |||
| KR101533979B1 | 2015-07-06 |
Attorney, Agent or Firm:
TAEDONG PATENT & LAW FIRM (KR)
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