Cyanate and Ammonia in the Kraft Recovery Process, 2006 Engineering, Pulping, & Environmental Conference



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Cyanate is a product of black liquor combustion. It is an inorganicion that exits the recovery boiler with the smelt, dissolving in the smelt dissolving tank. It reacts slowly in alkaline solutions to form ammonia, which is partially released from the green and white liquor storage tanks as well as the slaker and causticizers. This paper discusses the analysis of cyanate in green liquor as well as the reaction chemistry for ammonia formation from cyanate.

Author: Nikolai DeMartini and Mikko Hupa
Cyanate and Ammonia in the Kraft Recovery Process
Cyanate and Ammonia in the Kraft Recovery Process, 2006 Engineering, Pulping, & Environmental Conference
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