Light degradable processing method for waste water containing greasy dirt
Title：
Light degradable processing method for waste water containing greasy dirt
Application Number：
 200410096697
Application Date：
 2004/12/07
Announcement Date：
 2005/05/11
Pub. Date：
 2006/04/19
Publication Number：
 1613785
Announcement Number：
 1251972
Grant Date：
 2006-4-19
Granted Pub. Date：
 2006-4-19
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 C02F 1/30, B01J 21/06
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Yao Kefu
Key Words：
 Light degradable, processing method, waste water, greasy dirt
Abstract：
 A method for oil-contaminated water photodegradable treating is carried out by: coating SiO2 on nanometer Fe3O4 core particle by colloidal sol-gel method, coating TiO2 external layer to produce magnetic nanometer TiO2 composite photo-catalyst, suspending in oil-contaminated water, ultraviolet irradiating, degrading grease contamination and recovering utilizing photo-catalyst. Its achieves high photo-catalytic activity and good recovery.
Claim：
Priority：
PCT：
LegalStatus：

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