| 矿石之微生物脱磷机理的初步研究 |
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| 引用本文： | 郑少奎,杨敏,关晓辉,魏德洲,张维庆.矿石之微生物脱磷机理的初步研究[J].高校地质学报,2000,6(2):345-348. |
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| 作者姓名： | 郑少奎 杨敏 关晓辉 魏德洲 张维庆 |
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| 作者单位： | 1. 中国科学院 生态环境研究中心，北京 100085；2. 东北电力学院应用化学系，吉林 吉林市 132012；3. 东北大学 土木工程学院，辽宁 沈阳 110006 |
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| 基金项目： | 中国科学院资助项目，59374150， |
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| 摘 要： | 以生尘芽孢杆菌进行了微生物脱磷机理与应用的探索性研究。试验结果表明：生尘芽孢杆菌脱磷必须经过两个步骤：（1）通过产生有机酸降低溶液pH值使磷矿石中的磷溶出；（2）当溶液中的磷达到一定浓度后微生物形成胞内聚磷酸盐。
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| 关 键 词： | 锰矿石 微生物 脱磷 矿石 选矿 |
| 收稿时间： | 2000-06-20 |
| 修稿时间： | 1999-12-09 |
The Studies on Dephosphorization of Phosphorus-Rich Rhodochrosite by Microorganisms |
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| ZHENG Shao-kui,YANG Min,GUAN Xiao-hui,WEI De-zhou,ZHANG Wei-qing.The Studies on Dephosphorization of Phosphorus-Rich Rhodochrosite by Microorganisms[J].Geological Journal of China Universities,2000,6(2):345-348. |
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| Authors: | ZHENG Shao-kui YANG Min GUAN Xiao-hui WEI De-zhou ZHANG Wei-qing |
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| Institution: | 1. The Research Center for Eco-environment Science, Academy of China, Beijing 100085; 2. The Department of Applied Chemistry, Northeast Electricity College, Jilin 132012; 3. The College of Resource and Civil Engineering, Northeast University, Shenyang 100085 |
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| Abstract: | Manganese ore in China is rich in phosphorus which is often required to be removed in iron and steel industry. Biological dephosphorization was teste d in this study. Bacillus pulvifaciens and a kind of fungi were comp ared in te rms of organic acid production, and the former was found to be more effective fo r organic acid production and was used in the experiments. The dephosphoriza tion tests on an apatite ore were done in two steps: (1)Phosphate dissolution by lowering pH to 3 via organic acid formation; (2) Phosphate is uptaken by bacteria. The first step could be replaced by adding inorganic acid to adjusting pH. |
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| Keywords: | rhodochrosite dephosphorization microorganisms |
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