| 水与废水处理中的膜生物反应器技术 |
| 摘要点击 796 全文点击 2758 投稿时间：1995-01-11 |
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| 中文关键词 生物反应器 膜技术 水处理 |
| 英文关键词 bioreactotl membrane technology water treatment Wastewater treatment |
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| 中文摘要 |
| 介绍了膜生物反应器的概念及其用于给水和废水处理的研究发展过程。膜生物反应器包括一体式系统、分离式系统和隔离式系统,并给出8例用于给水和废水处理的膜生物反应器的技术参数及水处理效果数据等。生物反应器其膜单元有超滤膜、微滤膜和苹取膜,用于脱氮、去除有机物及重点有毒物质的降解等。膜生物反应器的去除效率较高,有些COD去除效率达80%—90%,NH3-N去除效率达98%,膜生物反应器的出水浊度低,处理出水宜于回用。 |
| 英文摘要 |
| A review was made on the concept,categoriesand characteristics of membrane bioreactors and the advances in their R & D for use in the treatment of water and wastewater. The bioreactors,including the immersed. hollow fiber membrane bioreactors,the crossflow filtration membranebioreactors and the extractive membrane bioreactors,were described by giving eight examples of membrane bioreactors for the treatment of waterand wtstewater,and their respective technical parameters and treatment efficiencies. All of these membrane bioreactors used an activatedsludge process in their bioreactors and were equipped with an ultrafiltration membrane,a microfihration membrane or an extractive meinbfsnein their membrane units. They have been developed for the purposes of nitrogen removal,organic pollutants removal,or degradation of priority toxic substances. The membrane bioreactors had higher removal efficiencies,for example,a COD removal of up to 80%—90% and a NH3-N removal of over 98%. There was a lower turbidity in their efnuents which are thus suitable for reuse. It was pointed out that more and more attention has been paid in many countries to the thembrane bioreactor as technology for recycling or reusing wastewater as a secondary resource. |
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