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Process for non-chlorine oxidative bleaching of mechanical pulp in the presence of optical brightening agents
Process for non-chlorine oxidative bleaching of mechanical pulp in the presence of optical brightening agents
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机译:在荧光增白剂存在下机械纸浆的非氯氧化漂白方法
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摘要
A process for bleaching mechanical wood pulp is provided comprising subjecting the wood pulp to at least one bleaching stage with one or more bleaching agents in the presence of one or more optical brightening agent, wherein the bleaching agents are selected from the group consisting of oxidative bleaching agents other than chlorine based bleaching agents such as chlorine dioxide, elemental chlorine or a combination thereof, reductive bleaching agents or any combination of two or more thereof.
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