利用阶梯式通量递增法测定了一体式平板膜-生物反应器中的临界通量,对不同操作条件下测定值的差异进行了考察.通过正交试验设计,研究了曝气强度、污泥浓度(MLSS)和滤液COD(SCOD)三个因素分别在0.8,1.2,1.5 m3/h;10,20,30 g/L和50,100和150 mg/L水平下对临界通量测得值的影响.研究发现,污泥浓度和SCOD均对临界通量测得值呈负影响作用,而曝气强度则起正作用.随着污泥浓度和SCOD的增大,临界通量测得值是逐步减小的;而曝气强度的增大在一定程度上可以提高临界通量值.其中,临界通量测定值受SCOD的影响最大,MLSS次之,曝气强度最小.
参考文献
| [1] | Field RW.;Howell JA.;Gupta BB.;Wu D. .CRITICAL FLUX CONCEPT FOR MICROFILTRATION FOULING[J].Journal of Membrane Science,1995(3):259-272. |
| [2] | Clech P L;Jefferson B;Chang I S et al.Critical flux determination by flux-step method in a submerged membrane bioreactor[J].Journal of Membrane Science,2003,227:81-93. |
| [3] | Sari Metsamuuronen;Marianne Nystrom .Critical flux in cross-flow ultrafiltration of protein solutions[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2005(1):37-47. |
| [4] | Alfieri Pollice;Adam Brookes;Bruce Jefferson;Simon Judd .Sub-critical flux fouling in membrane bioreactors - a review of recent literature[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2005(3):221-230. |
| [5] | 俞开昌,文湘华,卜庆杰,黄霞.次临界操作下的膜污染机理研究[J].环境污染治理技术与设备,2004(01):23-27. |
| [6] | 魏春海,黄霞,赵曙光,文湘华.SMBR在次临界通量下的运行特性[J].中国给水排水,2004(11):10-13. |
| [7] | Wontae Lee;Seoktae Kang;Hangsik Shin .Sludge characteristics and their contribution to microfiltration in submerged membrane bioreactors[J].Journal of Membrane Science,2003(1/2):217-227. |
| [8] | Nuengjamnong C;Kweon JH;Cho J;Ahn KH;Polprasert C .Influence of extracellular polymeric substances on membrane fouling and cleaning in a submerged membrane bioreactor[J].Colloid journal,2005(3):351-356. |
| [9] | Gui Ping;Huang Xia;Chen Ying et al.Effect of operational parameters on sludge accumulation on membrane surfaces in a submerged membrane bioreactor[J].Desalination,2002,151:185-194. |
| [10] | Fengshen Fan;Hongde Zhou;Hadi Husain .Identification of wastewater sludge characteristics to predict critical flux for membrane bioreactor processes[J].Water research: A journal of the international water association,2006(2):205-212. |
| [11] | 丁钢强,于村,张双凤,俞莎,徐颖.食品多糖含量不同测定方法的研究[J].实用预防医学,2000(05):325-327. |
| [12] | Yamamoto K;Hiasa M;Mahmood M et al.Direct solid-liquid separation using hollow fiber membrane in an activated sludge aeration tank[J].Water Science and Technology,21(4-5):43-54. |
| [13] | Claudio M.Silva;Douglas W.Reeve;Hadi Husain;Hamid R.Rabie;Kimberly A.Woodhouse .Model for flux prediction in high-shear microfiltration systems[J].Journal of Membrane Science,2000(1):87-98. |
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%