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Zaozhuang City, Shandong, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Process for treating aged oil by electron beam irradiation
Patent number
12,274,957
Issue date
Apr 15, 2025
Shandong Hygiya Envtl Protection Equip Co., Ltd.
Yi Li
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Integrated physical method oily sewage treatment device
Patent number
11,383,996
Issue date
Jul 12, 2022
Shandong HYGIYA ENVIRONMENTAL PROTECTION EQUIPMENT CO. LTD.
Liping Wei
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR TREATING AGED OIL BY ELECTRON BEAM IRRADIATION
Publication number
20240123372
Publication date
Apr 18, 2024
YI LI
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Integrated physical method oily sewage treatment device
Publication number
20210331959
Publication date
Oct 28, 2021
SHANDONG HYGIYA ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD.
Liping WEI
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE