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:
Aug. 13, 2013
Filed:
Mar. 30, 2011
Young Jin Eum, Gyeonggi-do, KR;
Gi Yang OH, Seoul, KR;
Jang Gyu Kim, Gyeongbuk, KR;
Hun Suk, Gyeonggi-do, KR;
Myeong Jung Yu, Seoul, KR;
Long LI, Seoul, KR;
Young Jin Eum, Gyeonggi-do, KR;
Gi Yang Oh, Seoul, KR;
Jang Gyu Kim, Gyeongbuk, KR;
Hun Suk, Gyeonggi-do, KR;
Myeong Jung Yu, Seoul, KR;
Long Li, Seoul, KR;
Boo Kang Tech Co., Ltd., Seoul, KR;
Abstract
Disclosed are a method and an apparatus for production of bio-gas, capable of improving quality of a raw material to be fed thereto. Among the raw material, a part free from inhibitory materials is directly introduced an anaerobic digestion reactor while the other part containing the inhibitory materials is introduced into a first solid-liquid separator and separated into a solid-phase material free from the inhibitory materials and a liquid-phase material containing the inhibitory materials. The solid-phase material in the first solid-liquid separator is fed to the anaerobic digestion reactor after hydrolysis. A liquid waste in the anaerobic digestion reactor and a liquid-phase material in the first solid-liquid separator are concentrated by a sludge concentrator. Through solid-liquid separation of the raw material, only a solid-phase sludge removed from the inhibitory materials is fed to the anaerobic digestion reactor, thereby suitably maintaining desired activity of microorganisms used for producing bio-gas.