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kraft process |
Also found in: Wikipedia | 0.06 sec. |
kraft processChemical method for producing wood pulp using caustic soda and sodium sulfide as the liquor in which the pulpwood is cooked to loosen the fibres. The process (from German kraft, “strong”) produces particularly strong and durable paper; another advantage is its capability of digesting pine chips; resins dissolve in the alkaline liquor and are recovered as tall oil, a valuable by-product. Recovery of sodium compounds is important in the economy of the process. In modern kraft mills, operations are completely contained; waste streams are recycled and reused, eliminating water pollution. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Kraft Pulping Liquor Cycle Fundamentals, June 2, Courtyard Houston International Airport, Houston Texas. Founded in 1895, Eastern Pulp & Paper pioneered the use of sawdust in its kraft pulping process. APPLICATION: Pretreatment of jute plant with fungal strains before soda-AQ or kraft pulping reduces cooking time, kappa number, and chemical requirements, and improves the physical properties of the resulting pulp. |
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