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Alkaline-peroxide-oxygen treatment for unbleached and chlorinated chemical pulps
Alkaline-peroxide-oxygen treatment for unbleached and chlorinated chemical pulps
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机译:未漂白和氯化化学纸浆的碱性过氧化物氧气处理
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摘要
There are provided improvements relating to the delignification and/or the bleaching of a chemical pulp wherein the cellulosic material is simultaneously treated with an alkali compound, a peroxygen compound and an oxygen gas at partial pressure in the presence of a viscosity protecting catalyst.
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