BIO-FILTER SYSTEM

WIPO Patent Application WO/2019/168337

A1

A bio-filter system is disclosed. The disclosed bio-filter system comprises: a transfer pipe for collecting and transferring N2O generated in any one tank from among an anaerobic tank, an anoxic tank, and an aeration tank; a bio-filter unit including a carrier for removing, by means of microbial reaction, the N2O discharged from the transfer pipe; and a sewage supply member for spraying sewage into the carrier in order to provide nourishment for microorganisms to the carrier. The bio-filter unit comprises: a filter housing; an induction discharge pipe, which is installed on the lower side of the inside of the filter housing, for inducing the N2O transferred by the transfer pipe in a transverse direction and enabling same to be discharged upwardly through a nozzle; the carrier, which is disposed on the upper side of the induction discharge pipe inside the filter housing, for removing, by means of microbial reaction, the N2O discharged through the induction discharge pipe; and a sewage spraying member, which is disposed on the top of the carrier inside the filter housing, for spraying sewage supplied from the sewage supply member to the carrier so as to utilize the sewage as nourishment for microorganisms.

LEE HONG WOON (KR)
YOON SUK HWAN (KR)
KIM YOUNG MO (KR)

PCT/KR2019/002354

September 06, 2019

February 27, 2019

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DAEGA POWDER SYSTEMS CO LTD (KR)
KOREA ADVANCED INST SCI & TECH (KR)
GWANGJU INST SCIENCE & TECH (KR)

B01D53/84; C02F3/30

JP2013150970A	2013-08-08
KR200229840Y1	2001-07-03
KR20020043830A	2002-06-12
KR20050069810A	2005-07-05
JP2000246055A	2000-09-12
JP2016036744A	2016-03-22
JP2012148217A	2012-08-09
KR101870673B1	2018-06-25

DANA PATENT LAW FIRM (KR)

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