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.:

US 8298416 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 30, 2012

Filed:

Feb. 24, 2010
Applicants:

Wan Cheol Park, Seoul, KR;

Tae Hyung Kim, Seongnam-si, KR;

MI AE Lee, Seoul, KR;

Kyung Lyong Choi, Jinju-si, KR;

Inventors:

Wan Cheol Park, Seoul, KR;

Tae Hyung Kim, Seongnam-si, KR;

Mi Ae Lee, Seoul, KR;

Kyung Lyong Choi, Jinju-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 29/00 (2006.01); B01D 35/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a deodorizing apparatus using native microorganisms. Specifically, the present invention relates to a deodorizing apparatus using native microorganisms for removal of malodors of sewage treatment plant sludge, comprising a native microorganism activating tank, where a colony of the native microorganisms in a spore state is germinated and activated through a proliferation process under conditions where oxygen and organic materials are supplied, and the native microorganisms returned from a second deodorizing tank is further activated; and a first and a second deodorizing tanks which remove malodorants from untreated matter under conditions where oxygen and the activated native microorganisms are continuously supplied. The deodorizing apparatus of the present invention, which is an eco-friendly and economical method using native microorganisms, can effectively remove malodor generated from various types of sludge including a primary sludge, a secondary sludge, a sludge containing night soil, etc. produced from sewage treatment plants.


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