Hojae HWANG

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Sejong, KR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for recovering effective resources including n...
- Patent number 11,364,463
- Issue date Jun 21, 2022
- Daehwan Rhu
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Device and method for shortcut nitrogen removal and nitrite-oxidizi...
- Patent number 11,053,148
- Issue date Jul 6, 2021
- Daehwan Rhu
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR RECOVERING EFFECTIVE RESOURCES INCLUDING N...
- Publication number 20210354072
- Publication date Nov 18, 2021
- BKT CO., LTD.
- Daehwan RHU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
NITRITE-OXIDIZING BACTERIA ACTIVITY INHIBITOR AND METHOD
- Publication number 20210292200
- Publication date Sep 23, 2021
- BKT CO., LTD.
- Daehwan RHU
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
DEVICE AND METHOD FOR SHORTCUT NITROGEN REMOVAL AND NITRITE-OXIDIZI...
- Publication number 20200231478
- Publication date Jul 23, 2020
- BKT CO., LTD.
- Daehwan RHU
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE