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.

Date of Patent:
Apr. 14, 2009

Filed:

Jul. 04, 2006
Applicants:

Zhi Min Liao, Shenzhen, CN;

Jing Kui Guo, Shenzhen, CN;

Yu He Huang, Shenzhen, CN;

Jing Zou, Shenzhen, CN;

Zhi Qiang Chen, Shenzhen, CN;

Rui Zhi Dai, Shenzhen, CN;

Wen Yan Shi, Shenzhen, CN;

Jian Zhong Xiong, Shenzhen, CN;

Hai Ying Ji, Shenzhen, CN;

Inventors:

Zhi Min Liao, Shenzhen, CN;

Jing Kui Guo, Shenzhen, CN;

Yu He Huang, Shenzhen, CN;

Jing Zou, Shenzhen, CN;

Zhi Qiang Chen, Shenzhen, CN;

Rui Zhi Dai, Shenzhen, CN;

Wen Yan Shi, Shenzhen, CN;

Jian Zhong Xiong, Shenzhen, CN;

Hai Ying Ji, Shenzhen, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D 61/00 (2006.01); C02F 21/01 (2006.01); C02F 1/76 (2006.01);
U.S. Cl.
CPC ...
Abstract

Methods for treating landfill leachate taught herein comprise: (a) coagulatively settling leachate; (b) filtering the resultant supernatant liquid through multistage cartridges; (c) filtering the filtered liquid by reverse osmosis; and (d) treating the resultant liquid with chlorine-based oxidant. These methods provide the advantages of efficient wastewater treatment, compact equipment size, short process flow, and low startup and operational costs.


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