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:
Dec. 09, 1997
Filed:
May. 08, 1996
Jun Izumi, Nagasaki, JP;
Akinori Yasutake, Nagasaki, JP;
Hiroyuki Tsutaya, Nagasaki, JP;
Takayuki Harada, Shimonoseki, JP;
Kenichi Hamada, Shimonoseki, JP;
Mitsubishi Jukogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A method for collecting volatile organic substances from off-gas containing moisture and volatile organic substances. After the moisture has been removed by a dehumidifying tower filled with moisture absorbent for selectively adsorbing the moisture from the gas containing the organic substances and the moisture, the organic substances are adsorbed and removed under a relatively low temperature condition. The organic substances is desorbed under a relatively high temperature condition from the adsorbing tower which is saturated with the organic substances. The desorbed organic substances are liquefied and collected under a low temperature and/or pressurizing condition. The dry gas from which the organic substances have been removed and made harmless is heated if necessary. Thereafter, the dry gas is purged in a counter flow manner in the dehumidifying tower which is saturated with the moisture to perform the regeneration of the moisture absorbent and is discharged to the outside of the system together with the desorbed moisture.