摘要
介绍了国内外由钾长石制钾肥的概况；阐述了在常压、低温下用硫酸、助剂分解钾长石制钾肥的扩试流程，Ｋ２Ｏ收率达７０％，Ａｌ２Ｏ３收率达６５％。
The survey on preparing potash fertilizer with potassium feldspar at home and abroad is reviewed.A new process of preparing potash fertilizer by decomposing potassium feldspar with sulphuric acid and flux.The recovery rate of K 2O and Al 2O 3 are 70% and 65%,respectively.A proposal on industrialization is put forward.
