Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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IHI Corp
Original Assignee
IHI Corp
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Filing date
Publication date
Application filed by IHI CorpfiledCriticalIHI Corp
Priority to JP4490177ApriorityCriticalpatent/JPS53129167A/en
Publication of JPS53129167ApublicationCriticalpatent/JPS53129167A/en
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals
(AREA)
Abstract
PURPOSE: To provide good quality gypsum with prevention of decline in desulfurization efficiency and of corrosion of control instruments, by addn. of alkali (or alkaline earth)metal hydroxide to a circulation liq. for a closed gypsumrecovering desulfurization of combustion exhaust gas by use of calcium carbonate as an absorption agent.
COPYRIGHT: (C)1978,JPO&Japio
JP4490177A1977-04-191977-04-19Desulfurizing method for combustion exhaust gas
PendingJPS53129167A
(en)