生物固定化技术在含氮废水处理中的研究

Research on Biological Immobilization Technology in the Treatment of Nitrogen-contained Wastewater

生物固定化技术是现代生物工程领域中的一项新兴技术 ,为充分发挥高效菌种在难降解有毒有机污染物治理中的降解潜力 ,防止其泄漏而引起生态问题提供了一个十分重要的方法。它与传统的悬浮生物处理法相比 ,具有处理效率高、稳定性强、反应易于控制的特点。介绍了细胞固定化技术的分类、包埋方法及包埋材料 ,详细阐述了该技术在处理氨氮废水时所采用的单独包埋和混合包埋两种工艺 ,以及固定化技术的发展前景和存在的问题。

The Biological immobilization is a kind of new and rising technology in the field of modern biological engineering,it can make the efficient bacterium fully deal with the noxious organic compound.Compared with the traditional suspended biotechnology,it is more efficient,stable and controllable.The classification,technology and carrier selection of the cell immobilization are introduced.The single and mixed embedding technologies are described in detail in the paper as well as the problems and prospects of this technology.