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白云石湿法研磨制备造纸填料的工艺研究 被引量:4

Preparation of Filler Grade Dolomite Powder by Wet Grinding Process
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摘要 研究了以白云石矿粉为原料制备造纸填料的湿法研磨工艺,通过在砂磨机转速为3000 r/min下对研磨过程中主要影响因素的研究表明,影响研磨效果的因素依次为研磨介质与白云石质量比、研磨时间、分散剂用量。最佳研磨条件为:矿浆浓度60%,研磨介质与白云石质量比6∶1,研磨时间45 min,分散剂用量0.5%;研磨后的白云石粒径分布均匀,粒径小于2μm的微粒可以达到66.2%,满足了造纸填料的要求。 In this paper,the dolomite powder was used to prepare the paper filler by wet grinding process,the main parameters of the grind-ing were investigated.The results showed that the major factors affected the grinding efficiency were as follows:mass ratio of grinding balls to dolomite powder,grinding time and dispersant dosage.Under the condition with 0.5% of dispersant,60% of slurry concentration,mass ratio of ball to powder at 6∶1,and grinding at 3000 r/min for 45 min,a paper filler containing 66.2% of particles smaller than 2 μm could be acquired.
出处 《中国造纸学报》 CAS CSCD 北大核心 2013年第4期18-22,共5页 Transactions of China Pulp and Paper
关键词 白云石 湿法研磨 造纸填料 dolomite wet grinding paper filler
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