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. 22, 1978
Filed:
May. 26, 1977
Applicant:
Inventor:
George Francis Clough, Macclesfield, GB;
Assignee:
Imperial Chemical Industries Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02C / ; B01F / ;
U.S. Cl.
CPC ...
210 14 ; 210 / ; 2101 / ; 210202 ; 261 83 ;
Abstract
A method and apparatus for treating liquid sewage as effluent with oxygen-containing gas. The liquid is circulated firstly through a tubular compression coil which is rotated about a vertical axis, and secondly through a tubular decompression coil which is also rotated about a vertical axis. The oxygen-containing gas is supplied to the liquid as it passes through the compression coil.