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首页> 外文会议>TMS(The Minerals, Metals amp; Materials Society) Annual Meeting on Cyanide: Social, Industrial and Economic Aspects, Feb 12-15, 2001, New Orleans, Louisiana >RECENT ADVANCES IN TECHNOLOGIES FOR BIOLOGICAL TREATMENT OF THIOCYANATE, CYANIDE, HEAVY METALS AND NITRATES
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RECENT ADVANCES IN TECHNOLOGIES FOR BIOLOGICAL TREATMENT OF THIOCYANATE, CYANIDE, HEAVY METALS AND NITRATES

机译：硫氰酸盐，氰化物，重金属和硝酸盐的生物处理技术的最新进展

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摘要

Biological treatment of mining and industrial effluents reached full scale commercialization around 1980. These proven, low cost, technologies have been limited in application due to a number of factors, including extended periods of time and cost required for pilot testing as compared to chemical treatment technologies, lack of biological expertise in metallurgical personnel, longer treatment periods in some cases, and performance failures based on improper application. Renewed interest in biological treatment technologies is being driven by permits with lower effluent concentration criteria, permits with bioassay evaluation, the need to remove thiocyanate, nitrates, sulfates and other parameters. Chemical treatment processes, in general, have not been able to meet these present requirements, or require elaborate combinations of processes, in terms of effluent quality and treatment economics. This paper addresses biological treatment of mining and industrial waste waters and selected recent advances in these technologies. The future looks very bright for application of these low capital and operating cost technologies.
机译：采矿和工业废水的生物处理在1980年前后实现了全面的商业化。由于多种因素，这些行之有效的低成本技术在应用中受到限制，与化学处理技术相比，包括较长的时间和中试测试所需的成本，冶金人员缺乏生物学专业知识，某些情况下处理时间更长，以及由于使用不当而导致的性能故障。废水浓度标准较低的许可证，生物测定评估的许可证，去除硫氰酸盐，硝酸盐，硫酸盐和其他参数的要求，引起了人们对生物处理技术的新兴趣。就废水质量和处理经济性而言，化学处理工艺通常不能满足这些当前要求，或要求工艺的精心组合。本文介绍了采矿和工业废水的生物处理方法，并介绍了这些技术的最新进展。这些低资本和运营成本技术的应用前景非常广阔。

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