| 罗布泊硫酸镁亚型卤水制取钾混盐工艺试验研究 |
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| 关键词:Lop Nur saline lake frozen brine potash-bearing salts mixtures |
| 基金项目:国家305项目“罗布泊钾盐资源开发利用研究” |
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| 摘要: |
| The Making of Potash-Bearing Salts Mixtures Through the Processing of Magnesium Sulfate Sub-type Brine in Lop Nur Saline Lake, Xinjiang |
| This paper probes into a new method for making potash-bearing salts mixtures through the processing of magnesium sulfate sub-type brine of Luobei depression in Lop Nur Lake. This processing procedure is as follows: in winter, reserve frozen brine is prepared in advance; during spring and summer, the frozen brine is mixed with original brine, thus changing and adjusting the composition of brine for production of potash, in which no additional potassium minerals are added. As a result, the brine composition in the five-member system metastable phase map is adjusted to the best position; through evaporation, the higher-quality potash-bearing salts mixtures, i.e., potassium and magnesium sulfates with lower content of impurity, can be produced from the brine. The mixing of frozen brine with original brine for making potash-bearing salts is based on a new idea, whose design is feasible and whose operating cost is relatively low. |
| CHEN Yong-zhi,WANG Mi-li,YANG Zhi-chen,LIU Cheng-lin,JIAO Peng-cheng.2001.The Making of Potash-Bearing Salts Mixtures Through the Processing of Magnesium Sulfate Sub-type Brine in Lop Nur Saline Lake, Xinjiang[J].Acta Geoscientica Sinica,22(5):465-470. |
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