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Method of obtaining white calcined filling agent, grog or lightening agent with high reflective capacity
Method of obtaining white calcined filling agent, grog or lightening agent with high reflective capacity
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机译:获得具有高反射能力的白色煅烧填充剂,熟料或增白剂的方法
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摘要
In the present invention, there is described a method of obtaining white calcined filling agent, grog or lightening agent with high reflective capacity, wherein a silicate raw material, containing clay matter with a basic mineral kaolinite, is treated in its soft, unburnt state by crushing or sorting to a desired granulometry. Subsequently calcination thereof takes place at a temperature ranging from 500 to 1500 degC and after calcination, it is only sorted and/or admix to the desired granulometry without crushing or grounding to thereby increasing reflective power thereof.
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