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:
Jan. 11, 1983
Filed:
May. 15, 1981
Applicant:
Inventors:
King L Mills, Bartlesville, OK (US);
Paul J Cheng, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; C09C / ;
U.S. Cl.
CPC ...
423450 ;
Abstract
A start-up procedure for a carbon black furnace wherein a low Btu off-gas as can be obtained from the filters in which the carbon black is separated from the carbon black reactor effluent is admixed with a high Btu fuel and passed along with combustion-supporting gas to a combustion zone in a carbon black reactor furnace to create a desired vortex of hot combustion gases therein suitable for production of carbon black and wherein when combustion of part of the feedstock introduced into said vortex the temperature can be maintained phasing out or discontinuing the flow of said high Btu fuel.