Application Status of Coal Series Kaolin in China
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摘要:
煤系高岭土(coal series kaolinite 简称 CK)是煤炭生产和加工过程中产出的工业固体废弃物，因其煅烧土质地纯净、耐磨性好、白度高等优点，也是作为新型陶瓷、高端造纸、高级涂料等不可或缺的原料。我国是高岭土产出大国，煤系高岭土储量位居世界第一，如何开展高效利用便成为我们亟需重视和解决的问题。本文对煤系高岭土简介、主要分布、常见应用及其主要加工工艺和未来发展进行了概述；通过全面详细的介绍，进一步推进煤系高岭土创新性研究和应用。
Abstract:Coal Series Kaolinite (CK) is the industrial solid waste produced in coal mining and processing. CK is an indispensable raw material for new ceramics, high-end paper and advanced coatings, attribute to its advantages of pure soil quality, good wear resistance and high whiteness. China is a major kaolin producer, the coal-series kaolin reserves rank first in the world, and we need to pay attention to and solve how to effectively research and use these resources. Therefore, the introduction, main distribution, common application, main processing technology and development trend of CK are summarized. Through the comprehensive and detailed introduction, the innovative research and application of CK will be promoted.
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Key words:
- Coal measure kaolin /
- Processing technology /
- Application status /
- Research prospect
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表 1 矿石的分类
Table 1. Classification of ore
矿石类型 分布地区 分布地层 厚度 稳定性 硬质大同砂石型高岭土 山西大同、雁北，内蒙古海勃湾、乌达，陕西，宁夏等 1~4 层黑色硬质高岭土 0.1~1.1 m，局部厚度可达到 1.6 m 在数千平方公里范围内十分稳定 硬质焦宝石型高岭土 江苏徐州、安徽淮北、
山东临沂、辽宁南票等自上而下共
7 层，呈层状或似层状厚度 2~10 m不等 较稳定 软质、半软质
高岭土甘肃华亭煤田为侏罗纪 1~3 层 一般厚 1~3 m，分布面积达数百平方公里 相对稳定 软质高岭土 云南小龙潭、昭通煤田广东茂名，海南长昌、长坡，广西等 1~4 层 厚 1~3 m 不太稳定 
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