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. 26, 1983
Filed:
Mar. 29, 1982
Yasuyuki Nakabayashi, Yokohama, JP;
Yoshio Matsuura, Funabashi, JP;
Michio Kurihara, Mitaka, JP;
Takao Kamei, Ashiya, JP;
Akira Nakamura, Akashi, JP;
Keiichi Komai, Akashi, JP;
Akira Shimotamari, Akashi, JP;
Takeshi Wakabayashi, Kobe, JP;
Electric Power Development Co. Ltd., Tokyo, JP;
Kawasaki Jukogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
In a non-evaporating dehydration of brown coal, the coal is crushed and classified into lumps and fine particles. The lumps of coal are subjected to a non-evaporating dehydration in which waste water is produced. The waste water is contacted with the fine particles of coal so that components which affect the COD value of the water are absorbed by the coal particles. The coal particles are then burnt to produce saturated steam which is used in the non-evaporating dehydration.