在浸没式膜生物反应器(简称MBR)处理模拟印染废水的过程中,通过向反应器中投加氢氧化铁絮体,进而形成生物铁污泥,来实现膜污染的防治.从操作压力变化、污泥阻力分布、膜污染电镜照片、污泥显微镜照片、污泥粒径分布等测定和观察结果表明,生物铁法MBR污泥总阻力仅为普通MBR污泥总阻力的1/3,这说明投加氢氧化铁絮体后增加了膜水通量,明显减小了膜过滤阻力.
参考文献
| [1] | Yamamoto K;Hiasa M;Mahmood T et al.Direct solidliquid separation using hollow fiber membrane in an activated sludge aeration tank[J].Water Science and Technology,1989,21(4-5):43-54. |
| [2] | Chiemchaissri C;Yamamoto K H .Perfomaance of membrane separation bioreactor at various temperatures for domestic wastewater treatment[J].Journal of Membrane Science,1994,7:119-129. |
| [3] | Lee J C;Kim J S;Kang I J et al.Potential and limitations of alum or zeolite addition to improve the performance of a submerged membrane bioreactor[J].Water Science and Technology,2001,43(11):59-66. |
| [4] | 罗虹,顾平,杨造燕.投加粉末活性炭对膜阻力的影响研究[J].中国给水排水,2001(02):1-4. |
| [5] | 孙天华;林少宁;余智梅 等.生物铁法处理高浓度难降解印染废水的研究[J].中国环境科学,1991,11(02):138-142. |
| [6] | Abdessemed D;Adin A;Nezzal G et al.Coupling flocculation with micro-ultrafiltration for wastewater treatment and reuse[J].DESALINATION,1998,118(1-3):323. |
| [7] | Howell J A;Sanehez V;Field R.W.Membranes in Bioprocessing-Theory and Applications[M].Glasgow,UK:Blackie Academic & Professional,1993 |
| [8] | Chudacek M W;Fane A G .The dynamics of polarization in unstirred and stirred ultrafiltration[J].Journal of Membrane Science,1984,21:145-160. |
| [9] | S.A.Lee;A.G.Fane;R.Amal;T.D.Waite .The Effect of Floc Size and Structure on Specific Cake Resistance and Compressibility in Dead-End Microfiltration[J].Separation Science and Technology,2003(4):869-887. |
| [10] | Belfort G;Davis R H;Zydney A L .The behavior of suspensions and macromolecular solutions in crossflow microfiltration[J].Journal of Membrane Science,1994,96:1-58. |
| [11] | Kwon DY.;Vigneswaran S. .Influence of particle size and surface charge on critical flux of crossflow microfiltration[J].Water Science and Technology,1998(4/5):481-488. |
| [12] | Yasutoshi S .Filtration characteristics of hollow fiber micro filtration membranes used in membrane bioreactor for domestic wastewater treatment[J].Water Research,1996,30(100):2385-2392. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%