| 钠硼解石复合矿制取硼砂新工艺 |
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| 引用本文： | 郭光远.钠硼解石复合矿制取硼砂新工艺[J].无机盐工业,2005,37(8):41-42. |
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| 作者姓名： | 郭光远 |
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| 作者单位： | 青海省化工设计研究院,青海,西宁,810008 |
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| 摘 要： | 针对青藏地区钠硼解石复合矿矿型特点，提出两步碱解法制取硼砂的新工艺。经正交试验考察碱用量、碱比例、液固比和反应时间等因素对反应浸出率的影响，确定的优化工艺条件为：n（Na2CO3）：n（NaHCO3）=1：3，液固质量比为3，反应温度95℃，反应时间120min。试验结果：B2O3浸出率为98．89％，收率为93．68％，产品质量符合国家标准。该工艺收率高，耗碱量低，易于工业化。
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| 关 键 词： | 钠硼解石 复合矿 硼砂 |
| 文章编号： | 1006-4990(2005)08-0041-02 |
| 收稿时间： | 2005-03-04 |
| 修稿时间： | 2005年3月4日 |
New technology of the preparation of borax from ulexite mixed ore |
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| Guo Guangyuan.New technology of the preparation of borax from ulexite mixed ore[J].Inorganic Chemicals Industry,2005,37(8):41-42. |
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| Authors: | Guo Guangyuan |
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| Abstract: | According to the characteristics of ulexite mixed ore in Qinghai and Tibet,a new technology for the preparation of borax by two-step alkaline hydrolysis method is studied.By the orthogonal test,the effects of amount and ratio of alkali,liquid-solid ratio and reaction time on the leaching rate are investigated,the optimum technical conditions are as follows:n(Na_2CO_3)n(NaHCO_3)=13,ratio of l/s=3,reaction temperature 95 ,and reaction time 120 min.The test results show that the leaching rate of B_2O_3 is 98.89%,the yield of the product is 93.68%and the quality of the product can meet the National Standard.This process has the advantages of high yield,low consumption of alkali and easy to industrialize. |
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| Keywords: | ulexite mixed ore borax |
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