The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 10, 2012
Filed:
Dec. 31, 2009
Zhimin Liao, Shenzhen, CN;
Zhihua Yuan, Shenzhen, CN;
Jialin Zhou, Shenzhen, CN;
Lingyun He, Shenzhen, CN;
Shuyan Chen, Shenzhen, CN;
Aiguo Wan, Shenzhen, CN;
Wenqian Chen, Shenzhen, CN;
Zhimin Liao, Shenzhen, CN;
Zhihua Yuan, Shenzhen, CN;
Jialin Zhou, Shenzhen, CN;
Lingyun He, Shenzhen, CN;
Shuyan Chen, Shenzhen, CN;
Aiguo Wan, Shenzhen, CN;
Wenqian Chen, Shenzhen, CN;
Jiangxi JDL Environmental Protection Research Ltd., Nanchang, CN;
Abstract
A method for removing phosphorus includes at least the steps of: 1) placing lanthanum oxide hydrate (absorbent) into a device for removing phosphorus, and allowing sewage having a phosphorus content of less than 100 mg/L to flow through the device; 2) adding sodium hydroxide (regeneration solution of the absorbent) when the absorption capacity of the device is exhausted, and allowing the regeneration reaction to proceed for between 4 and 12 hours; and 3) collecting eluate from step 2) and recycling phosphorus.