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:
Oct. 14, 1997
Filed:
Apr. 10, 1995
Applicant:
Inventors:
Kenji Satoh, Yokohama, JP;
Naohiko Kagawa, Yokohama, JP;
Sei Tange, Yokohama, JP;
Shun-ichi Ohya, Yokohama, JP;
Assignee:
JGC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; C02F / ;
U.S. Cl.
CPC ...
2021852 ; 96181 ; 96202 ; 96218 ; 202234 ; 202236 ; 2022671 ; 203 10 ; 203 86 ; 203 90 ;
Abstract
An improved apparatus for treating waste water containing volatile and corrosive substances by steam-stripping to remove the volatile and corrosive substances from the waste water. The apparatus has a liquid pooling zone installed at a part over the waste water supplying part of a stripper tower and liquid distributor at the top of the tower, and pipe arrangement is prepared to recycle liquid drawn from the liquid pooling zone to the liquid distributor. In the pipe arrangement, a cooler for the recycling liquid is installed. Serious corrosion can be avoided utilizing this apparatus.