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煤系高岭土成产业“热土”
2017-08-28 06:16:48 中国青年网
近日,内蒙古自治区清水河县与神华准能集团签订了《煤矸石综合利用协议》,与中煤科工公司签订了《高岭土选矿厂协议》,与质源恒泰清洁能源公司签订了《清洁煤气供应保障协议》,全力孵化百亿元高岭土产业园区,精心打造煤系高岭土产业集群。
目前,我国煤矸石累计堆存超过50亿吨。随着煤炭的开采洗选,每年还将增加2亿多吨。煤矸石长期大量堆放,不仅占用了大量土地,而且还会污染大气、土壤及水体。煤矸石自燃,还会引发火灾甚至滑坡等地质灾害。
在产业化利用过程中,煤系高岭土需要经过煅烧或改性。对企业而言,这是增加成本、影响利用的一道坎。为此,多个业内研究团队瞄准难点“靶向发力”,发展煤系高岭土矿物功能材料,拓展新的应用领域。
在中国首届高岭土产业发展与合作洽谈交流会上,多位业内专家表示,与其它非金属资源相比,高岭土不属于中国的优势资源。在资源分布上,我国煤系高岭土和非煤系高岭土储量相当,但煤系高岭土的利用才刚刚破题。在产业发展上,一方面陶瓷质量正在重获信任,从海外“往回背马桶盖的现象在减少”,对周边国家陶瓷出口大幅增长。另一方面,基于化解过剩产能、提高环保门槛的新一轮行业洗牌全面推开,粤赣多家陶瓷厂面临环境综合整治,湘闽黔上百家陶瓷厂被迫停产。种种迹象表明,我国高岭土—陶瓷产业的转型迫在眉睫。
记者在采访中了解到,内蒙古自治区呼包鄂地区优质煤系高岭岩资源非常丰富,已探明储量17亿吨,品质优良、供应稳定。现有陶瓷企业无论就地转化北方的煤系高岭土,还是向北方转移产业及技术,都是不错的选择。
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