| 硫酸湿法氧化制备三氧化二砷 |
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| 引用本文： | 马林转,陈迁,崔琼芳,姚福泉,马国祥. 硫酸湿法氧化制备三氧化二砷[J]. 云南民族大学学报(自然科学版), 2012, 21(4): 263-265 |
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| 作者姓名： | 马林转 陈迁 崔琼芳 姚福泉 马国祥 |
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| 作者单位： | 云南民族大学化学与生物技术学院,民族药资源化学国家民委-教育部重点实验室,云南昆明650500 |
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| 基金项目： | 国家自然科学基金，云南民族大学民族药资源化学国家民委-教育部重点实验室开放课题，云南省高校科技创新团队支持计划，云南民族大学绿色化学与功能材料研究 |
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| 摘 要： | 采用酸化法制备三氧化二砷,用浓硫酸(98%)和雌黄矿粉配制成一定料浆比的悬浮液,产物中As2O3的含量为99.94%,提取率可达到98.92%.最佳实验条件为:反应温度120℃,反应时间2.5 h,料浆比小于1∶6,雌黄矿粉粒径小于0.080 mm.
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| 关 键 词： | 雌黄矿 湿法氧化 As2O3 硫酸 |
Study on the Preparation of Aasenic Trioxide with Sulfuric Acid Wet Oxidation |
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| MA Lin-zhuan , CHEN Qian , CUI Qiong-fang , YAO Fu-quan , MA Guo-xiang. Study on the Preparation of Aasenic Trioxide with Sulfuric Acid Wet Oxidation[J]. Journal of Yunnan Nationalities University:Natural Sciences Edition, 2012, 21(4): 263-265 |
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| Authors: | MA Lin-zhuan CHEN Qian CUI Qiong-fang YAO Fu-quan MA Guo-xiang |
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| Affiliation: | (Key Laboratory of Chemistry in Ethnic Medicinal Resources,State Ethnic Affairs Commission and Ministry of Education, School of Chemistry and Biotechnology,Yunnan University of Nationalities,Kunming 650500,China) |
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| Abstract: | The research provides a method for the acidification of arsenic trioxide with 98% concentrated sulfuric acid and orpiment grains made into a slurry suspension with a certain ratio.Arsenic trioxide in the product reaches 99.94%,and the extraction yield is 98.92%.The best conditions for the experiment are as follows: the reaction temperature is 120 ℃,the reaction time is 2.5 h,the pulp is less than 1/6,and the particle size is less than 0.080 mm. |
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| Keywords: | orpiment wet oxidation arsenic trioxide sulfuric acid |
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