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:
Jul. 11, 1989
Filed:
Jun. 01, 1988
Nippon Kokan Kabushiki Kaisha, Tokyo, JP;
Abstract
A method for removing hydrogen chloride from an exhaust gas discharged from an incinerator, which comprises the steps of: causing hydrogen chloride contained in an exhaust gas discharged from an incinerator to react with slaked lime in slurry to form basic calcium chloride; detecting a concentration (y) of hydrogen chloride remaining in the exhaust gas after the reaction with slaked lime; determining a deviation (.DELTA.y) of the thus detected concentration (y) of hydrogen chloride from a target concentration (y.sub.o) thereof; determining a corrected deviation (.DELTA.y') by adding to the above-mentioned deviation (.DELTA.y) a correction value (.DELTA.y.sub.1) calculated in accordance with the following formulae: