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阐述了影响煤系硬质高岭土矿用于造纸涂料的主要因素和解决途径，并以四川普格高岭土矿加工利用研究为例，论述了该矿的矿石性质、加工工艺及其特点。通过研究最终获得了高档级涂布原料、中档级涂布原料和造纸填料三种产品，并进行了产品应用试验和技术经济分析。
The main factors influencing coal - based hard kaolin mines and their solutions are described. Taking the processing and utilization of Puge kaolin mines in Sichuan as an example, the ore properties, processing technology and characteristics of the ore are discussed. Through the research finally obtained three kinds of high-grade coating raw materials, medium-grade coating raw materials and paper-making filler products, and the application of product testing and technical and economic analysis.