矿石之微生物脱磷机理的初步研究

矿石之微生物脱磷机理的初步研究

郑少奎1，杨敏1，关晓辉2，魏德洲3，张维庆3

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

收稿日期:2000-06-20 修回日期:2000-06-20 出版日期:2000-06-20 发布日期:2000-06-20

The Studies on Dephosphorization of Phosphorus-Rich Rhodochrosite by Microorganisms

ZHENG Shao-kui1, YANG Min1, GUAN Xiao-hui2, WEI De-zhou3, ZHANG Wei-qing3

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

Received:2000-06-20 Revised:2000-06-20 Online:2000-06-20 Published:2000-06-20

摘要/Abstract

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。

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.

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]. J4.

ZHENG Shao-kui1, YANG Min1, GUAN Xiao-hui2, WEI De-zhou3, ZHANG Wei-qing3. The Studies on Dephosphorization of Phosphorus-Rich Rhodochrosite by Microorganisms[J]. J4.