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由河南省地质研究所开发的用热处理方法从含钾矿岩中提取无氯农用钾镁肥的工艺技术 ,继1 996年通过原国家科委组织的鉴定后 ,已在河南许多地区进行推广应用 ,并取得明显的经济效益和社会效益。该技术是将不溶性钾矿石在 1 0 0 0℃的温度下 ,加入特制的化学助剂 ,可将矿石中含有
Developed by the Institute of Geology, Henan Province, the process technology of extracting chlorine and magnesium-free potassium and magnesium fertilizer from the ore containing potassium by heat treatment has been popularized and applied in many areas of Henan Province after being certified by the former State Science and Technology Commission in 1996. , And achieved significant economic and social benefits. The technology is insoluble potassium ore at a temperature of 100 ° C, adding special chemical additives, the ore can contain