Solving soap and turpentine related process problems in softwood draft mills

Abstract

Effective separation of soap and turpentine is an important, but mill-specific aspect, regarding the entire softwood kraft process performance. This paper describes a systematic approach to evaluate and solve various extractives-related process problems. In a mill “audit”, the soap and extractives potential of the mill’s wood raw material is first estimated, the key process streams are tested and the resulting soap and extractives balances are used to clarify the routes taken by the extractives in the mill. More thorough sampling and specially designed tests are employed at the “hot spots” identified in the soap audit.

Full text is available here: https://www.researchgate.net/publication/291961049_Solving_soap_and_turpentine_related_process_problems_in_softwood_kraft_mills

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