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. 06, 1991
Filed:
Oct. 10, 1989
Satoshi Kudo, Sapporo, JP;
Tsutomu Ueno, Sapporo, JP;
Tadaaki Mizoguchi, Kure, JP;
Takanori Kuwahara, Kure, JP;
Tsukasa Nishimura, Kure, JP;
The Hokkaido Electric Power Company, Inc., Tokyo, JP;
Babcock-Hitachi Kabushiki/Kaisha, Tokyo, JP;
Abstract
A process for producing a hydrated and cured product of a lime-gypsum-coal ash mixture capable of constituting a high-performance desulfurizing agent, with a high yield and in a simplified manner is provided, which process comprises adding water to a mixture of lime, used desulfurizing agent and coal ash, followed by kneading the resulting mixture, then extruding the resulting kneaded material through a hole of 2 to 10 mm in diameter to obtain bullet-like materials, hydrating and curing said bullet-like materials, followed by drying.