Invention Grant
- Patent Title: Synthesis of a thin insoluble hydroxide shell on the surface of magnetic zero-valent metal nanoparticles for environmental remediation
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Application No.: US16493542Application Date: 2018-03-12
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Publication No.: US11241670B2Publication Date: 2022-02-08
- Inventor: Xiao Yan Li , Yi Bo Hu
- Applicant: THE UNIVERSITY OF HONG KONG
- Applicant Address: CN Hong Kong
- Assignee: THE UNIVERSITY OF HONG KONG
- Current Assignee: THE UNIVERSITY OF HONG KONG
- Current Assignee Address: CN Hong Kong
- Agency: Leason Ellis LLP
- International Application: PCT/CN2018/078696 WO 20180312
- International Announcement: WO2018/166417 WO 20180920
- Main IPC: B01J20/08
- IPC: B01J20/08 ; B01J20/32 ; B01J20/28 ; B01J20/30 ; B22F1/00 ; B22F1/02 ; B22F9/24 ; C02F1/28 ; C02F1/70 ; C02F101/22 ; C02F101/34 ; C02F101/38 ; C02F103/00 ; C02F103/06
Abstract:
An insoluble thin hydroxide shell is synthesized on the surface of nanoscale zero-valent iron (NZVI), using a rate-controlled deprotonation method. The hydroxide coated NZVI remains suspended in aqueous phase better than the prior art and can be used to remove groundwater contaminants.
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