首先将好氧MBR污泥和厌氧MBR污泥分离成悬浮固体、胶体+溶解性物质和溶解性物质3种组分,然后通过测定污泥及各组分的比阻和压缩系数对两种MBR污泥的过滤性能进行比较研究.好氧MBR污泥的比阻明显大于厌氧MBR污泥的比阻,它们比阻的数量级都在1014～1016 m/kg之间,压缩系数基本上大于O.75,说明两种MBR污泥都具有难以过滤且易于压缩的性质;在长期运行过程,好氧MBR污泥过滤性能的恶化程度明显大于厌氧MBR污泥过滤性能的恶化程度;两种MBR污泥各成分比阻大小的顺序均为:溶解性物质＞胶体+溶解性物质＞悬浮固体.
参考文献
| [1] | 刘锐,黄霞,范彬,藤本真由美,钱易.膜-生物反应器中溶解性微生物产物的研究进展[J].环境污染治理技术与设备,2002(01):1-7. |
| [2] | 刘志杰;谢华 .厌氧污泥胞外多聚物的提取、测定方法选择[J].环境科学,1993,15(04):23-26. |
| [3] | Kou W C;Sneve M A;Parkin G F .Formation of soluble microbial products during anaerobic treatment[J].Water Environment Research,1996,68:285-297. |
| [4] | 顾国维;何义亮.膜生物反应器--在污水处理中的研究和应用[M].北京:化学工业出版社,2002:294. |
| [5] | Choo K H;Lee C H .Effect of anaerobic digestion broth composition on membrane permeability[J].Water Science and Technology,1996,34(09):173-179. |
| [6] | Jungmin lee;won-Young Ahn;Chung-Hak Lee .Comparison of the filtration characteristics between attached and suspended growth microorganisms in submerged membrane bioreactor[J].Water research: A journal of the international water association,2001(10):2435-2445. |
| [7] | 申欢 .膜生物法（MBR）处理垃圾渗滤液的研究[D].西安建筑科技大学,2004. |
| [8] | 金儒霖;刘永龄.污泥处置[M].北京:中国建筑工业出版社,1982:33-36. |
| [9] | Bouhabila E;Ben Aim R;Buisson H .Microfiltration of activated sludge using submerged membrane with air bubbling:application to wastewater treatment[J].DESALINATION,1998,118:315-322. |
| [10] | Chudacek M W;Fane A G .The dynamics of polarization in unstirred and stirred ultrafiltration[J].Journal of Membrane Science,1984,21:145-160. |
| [11] | Morgan J W;Forster C F;Evison L .A comparative study of the nature of biopolymers extracted from anaerobic and activated sludges[J].Water Research,1990,24(06):743-750. |
| [12] | Nagaoka H;Veda S;Miya A .Influence of bacterial extracellular polymers on the membrane separation activated sludge process[J].Water Science and Technology,1996,34(09):165-172. |
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