摘要
钾长石提钾技术取得了可喜的进展。由于面临严重的缺钾状况,我国从20世纪50年代就进行了钾长石提钾的研究,但至目前钾长石综合利用方面仍不尽如人意。当今钾长石制钾肥、分子筛、白炭黑工艺研究已趋成熟,但其中存在问题还亟待解决,如:烧结温度太高、工艺对环境污染严重、固定投资昂贵、硅酸盐菌种纯培养周期太长等。通过对各工艺进行了优劣对比以及经济和技术的可行性的论证认为。钾长石综合开发利用有着很好的前景。
The technology of microcline for extracting potassium made great developments and contributions to our chemical fertilizers industry. However, the fact that China has so far been seriously short of potassium. In our country ,these techniques have already been studied since 1950' s. Further more , the current developing situation of microcline for comprehensive utilization is not perfect. Although these techniques of microcline for producing potassium fertilizer, molecular sieves, white carbon are very elegant and advanced at present, yet some problems should be solved in the future, such as the sintering temperature is too high , the environmental pollution is very seriously, the fixed investment is so expensive, the silicate bacteria in pure culture conditions is much too long .The advantage and disadvantage of all these processes are compare with each other so that the technological and economical feasibility is examined. At last some suggestions on comprehensive utilization of microcline are present and comprehensive utilization of microcline has much wide application prospect.
出处
《化工矿产地质》
CAS
2002年第3期151-156,共6页
Geology of Chemical Minerals
关键词
开发前景
钾长石
钾肥
分子筛
综合利用
microcline
potassium fertilizer
molecular sieves
comprehensive utilization
