The kraft process (also known as kraft pulping or sulfate process) is a process for conversion of wood into wood pulp consisting of almost pure cellulose fibers. It entails treatment of wood chips with a mixture of sodium hydroxide and sodium sulfide, known as white liquor, that breaks the bonds that link lignin to the cellulose. ==History== The k...
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http://en.wikipedia.org/wiki/Kraft_process
(from German kraft, `strong`), chemical method for the production of wood pulp that employs a solution of caustic soda and sodium sulfide as the ... [2 related articles]
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http://www.britannica.com/eb/a-z/k/50
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