循環(huán)絮凝對水中SUVA及膜污染的影響

1、bl65 No4April 201465420144CIESC Journal孑研究論文71994-2014 China Academic Journal Electronic Publishing House. All rights reserved. hUp:kinelbl65 No4April 201471994-2014 China Academic Journal Electronic Publishing House. All rights reserved. hUp:kinelbl65 No4April 2014300387循環(huán)絮凝對水中SUVA及膜污染的影響300387 230

2、0457)摘要- iCF-MF)- (C-MF)(SUA>/SUASUAUMFISUACF-MFSUVA1.74 L mg"1m" 1.18L mg" m"C-MF17%29%CF-MFC-MFC-MFCF-MF6 mg L10 mg LUVzmDOC58 75%49.7%關(guān)鍵詞SUAUMFIDOI 10 3969/j lssn 0438-1157.2014 04 040中圖分類號X52文獻(xiàn)標(biāo)志碼A文章編號04381157 2014 041443 07Influence of circulating flocculation process on

3、SUVA and membrane foulingWANG Jlelj, CHENG Zhiyang JIA HulIJ, ZHANG Hongwel1 HUANG YallJState Key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin Polytechnic University 9 Tianjin 300387, ChinaSchool of Environmental and Chemical Engineering. Tianjin Polytechnic University Tianji

4、n 300387, China,3 Tianjin MOTIMOMembrane Technology Co . Ltd. Tianjin 300457 China)Abstract: Comparing with coagulation membrane fikfatton(C-MF) process, the circulating flocculation membrane filtration (CF-NfF丿 process is a combination of arculatmg contact flocculation with membrane filtration. The

5、 differences of membrane foulmg development in the two processes were mvesttgated in thus study. SUVA was used as an evaluation index of hydroplulic/hydrophobic properties for organic matters to assess the effect of process varianon on SUA as well as to find relation benveen SUVA and index of compfe

6、hensi-e membrane fouling The results indicated rliat there exists a good liner relaticnship between SUVA in membrane filtration and membrane fouling The higher SUVA was, the more serious membrane fouling was. In the optimal operation conditions, SUVA m membrane filtratton effluent and coagulation pr

7、ocess supernatant were 1.74 L mg"1 ld"1 and 1.18 L mg'1 for CF-N£F process, the removal of organic natters increased by 17% and 29%, comparing with C-NfF process, indicating that the removal of hydrophobic organic matters and the control of fouling formation on membrane from them

8、was better for CF-N£F than C-NIF Companng uith C-NIF process, the CF-lv£F is more2015-07-22聯(lián)系人及第一作者 基金項目KJXH2012-52013-08-30197951108314 51078264(2UUZX0741U-W2Received date： 2013-07-22Corresponding author WA1JG Jle, vangjietjpu Foindation item supported by the Ihtional Ibtuml Science Found

9、ation ot CiunXU0S314 51U782O4) 71994-2014 China Academic Journal Electronic Publishing House. All rights reserved. hUp:kinel#65effective for remoMng organic matters. With coagulant dosing of 6 mg L"1 and reflux floc concentration of 10 mg the removal rate of U>54 and DOC were 58.75% and 49.7

10、% respectivelyKey words circulate flocculation, coagulation, filtrauon, membranes fouling, scale ultraviolet absorbance, unified membrane filtration indexC-MFCF-NIFcoagulationmembrane filtration C-MF-CF-MFPH(1-3-circulating flocculauonmembrane filtration CF-MF町11.1原水水質(zhì)特征(natural organic matterNOM)【I

11、GrayBLAoustrn I10DOC dissolvedorganic carbonSUVA speaficultraviolet absorbanceUV254 DOC1.2主要裝置、藥品及測試方法DP-1251表1Table 1原水水質(zhì)指標(biāo)Raw water qualityIndex of water qualityRangeC0D】“ mg L3 15 4125®cmT0 05 0 0SPH7 13 7 89DOC. mg L"224 453tcxiipculiuc/19 524 8chlorophyll mg L"1334 4 95turbidity

12、NTU145 3 23Ft mg L"J0 95 1 55chroma30 SOHuang(unified membrane filtrationLNflUSAACD-0030.3m31.2 m30.5 m230 L h"1in 12L h"1 m"271994-2014 China Academic Journal Electronic Publishing House. All rights reserved. hUp:/kincl#65index UNIFI)UMFI71994-2014 China Academic Journal Electro

13、nic Publishing House. All rights reserved. hUp:/kincl4SUA1445DOC -CO.0.45 pm0.45 pmTOC5“0.45 pmT6TOC-VCPH254 nmDRB200HACHYK-LDG-S1.3實驗方法1.3.130nun>>5 nun>>2 min20 L h_140 L0.6 m3h_IFeCljC-NCFCF-NfF1CMFCFMFindexHuang【習(xí)11IZ/V=L+UMFI兒Lm-2 VsLm-2 PopPa22.1不同工藝對親'疏水性有機(jī)物去除能力對比CMF232UVm3DOC

14、uv旳13DOCDOCUVyDOCDOCC-MF5加DOC20 mg L"1uv沖DOC33.25%41.45%20 mgL-171994-2014 China Academic Journal Electronic Publishing House. AU rights reserved. hMp:kinel4SUA#71994-2014 China Academic Journal Electronic Publishing House. AU rights reserved. hMp:kinel4SUA#1.3.2UNLbl unified lnembrane filtinuo

15、nFig 1 Schematic diagram71994-2014 China Academic Journal Electronic Publishing House. AU rights reserved. hMp:kinel4S(JA#71994-2014 China Academic Journal Electronic Publishing House. All rights reserved. hUp:/ki.nel4S(JA1447101520253035coagulation concentration/mg -1.145403530252015 案/anuaAoulal30

16、2520105151046810coagulation conccntration/mg - L-1 (a)5mg-L_,2 C-MFFig 2 Organic matter removal in coagulation stage m CMF605550Ma DOC%、3nJaAOLUOJ454035502520151050process with coagulants concentration454035302520151055101520253035coagulaiion concemration/mg 1.1圖3 C-MF中般過濾對何機(jī)物左除率帥混礙劑濃度變化Fig3 Organic

17、 matter removal in membrane filtration stage inCMF process with coagulants concentrationCFMFmg L"110 mg L"115 ing L"1CF-N£Fmg L_115 ing L_IUV254DOC455 mgL_110DOC10 mg L_1UVm58.75%4681012coagulation conccntration/mg (b) 10mg-LH246coagulation concentraiion/mg (c) 15 mg.IH45620 mg L

18、"14 CF-MFFig 4 Organic matter removal in coagulation stage of CF-MFwith different circulate flocs concentration6 ing L_1 CF-MFUXgDOC71994-2014 China Academic Journal Electronic Publishing House. All rights reserved. hUp:/ki.nel4S(JA#71994-2014 China Academic Journal Electronic Publishing House.

19、 All rights reserved. hUp:/ki.nel4S(JA#60555045403530252015105046810axigulation concenlnition/mg IbM55“DOCCF-NtFDOC0.02mg L"10.9 mg L"116-1871994-2014 China Academic Journal Electronic Publishing House. All rights reserved. hUp:/ki.nel4S(JA1449(a)5mg«l 1coagulation concentration/mg L

20、1(b) IOmg*L 1«>oup(OISmg.L-1%、2al 一e wupUN£FISUVAUMFI6C-MFCF-MFSUVAUNEFISUVAUNfFISUAUMFICF-MFSUVAC-MFCF-MFUMFISUVACMFCF-MF【19.22C-N£FSUVA0000900.00085000080z 000075 Sn 0.000700.000650.000605 CF-MFFig 5 Removal of organic matter in membrane filtration stngeof CFMF with different cir

21、culate flocs concentration2.2不同工藝中SUVA與膜污染的相關(guān)性及其變 化特征000055口1.8 1.9 2.0 21 2.2 2 3 2 5 2.6 2.7 2 8 2.9 3.0SlJVA/Lmg-】mT6 C-MF CF-MFSUVA UMFIFig 6 Correlation benveen SUVA and UMFI incoagulation membrane filtration and effluent in circulatefloccuhuon-membrane filtration71994-2014 China Academic Journ

22、al Electronic Publishing House. All rights reserved. hUp:/ki.nel4S(JA#71994-2014 China Academic Journal Electronic Publishing House. All rights reserved. hUp:/ki.nel4S(JA#71994-2014 China Academic Journal Electronic Publishing House. All rights reserved. hUp:/ki.nel4S(JA1451-E-0<JEms25201 5I 0050

23、510152025303540coagulation coiKcntration/mg- L 1CF-NfFSUVASUVAL mg" m-11.66 L mg"1圖7 C-MF中SUVA變化SUA1.74 LC-WTm-16 mgSUVACF-NfF 1 mg m211L mg"1.18Fig.7 Vanation of SUVA for CMF(UN£FI)SUVACFMFmg L"1DOCCMFReferences33.25%10 mg L"158.75%49.7%41.45%20 mg L"18 CF-MF SUVA

24、10 mg LFig 8 wanation of SUVA for CF-MF circulate flocsc one entrauon 10 mg L"1SUVASUVASUVA8SUVACMFSUVA-1 -11.66 L mg'1 nTSUVA1.18 L mg-1 in-1CF-MFSUA78CF-MFCMFC-NfF2.11 L mg-1 m_1 CF-MF1.74 L mg-1 in-1SUA1 Xie Si( ). Yang Ywlu>g( 人 Li Xing )t Zhou Zhiwei),Su Zhaoyang()f Liang Hen次)»

25、; Li Chnbcu().Effect of poticsium permanganate on efficiency of alum-boced coagulaac and on content of recidval axxi &evolved aluminum m treatment of low turbidity vaterJJ. C/ESC Journal), 2013,64(3)： 1055-10612 Mao RanraiK Wang Van Impact of enhanced coagulation ways on Hoc二 properties and memb

26、mue fouling Increasing dosage and applying new compozite coagu!antT Desalination 2013v 314(7): 161-16S3 Chihprn Huang, Jr-Lm Lin, Wen-Shan Lee. Effect of coagulation mechaxucm on membrane permeability m coaguhtion-acsicted nucrofiltration for 二pent filter backxvarh water recycling J Colloids and Sur

27、faces A: Physicochemical and Engineering Aspects 2011v 378(4):72.784 Lu Jianbo(), S'un Liping人 Zhao Xmhua().6 mg L"1SUXA3.6 L mg"1 m-10.56L mgT m"1Conditjonc optixxuzaUon enhanced coaguhtjon zedimentstion process by sludge recycling in reclaimed wastewater treatment J Technology o

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29、 J, Tmber J. Mechamzm of mem.bmne71994-2014 China Academic Journal Electronic Publishing House. All rights reserved. hUp:/ki.nel4SUA#13 Xing Weiboag(Wirnheng).Fan Yiqvnfouling bicedCIESCfouling d'limg ultra-low pressure ultrafiltniUoiilJ Journal of Membrane Sciencef 2011. 377(1-2) : 42-537 Xuo P

30、mgi 人 Xiao Feng )t Zhao Jmhtu( ). A novd approach of xicing fouling index to evaluate NOM fouling behavior during Ion- pressure ultrafiltxnuon process J Environmental Science人 2012,33(12): 22-28S Dai Twg( ) Wu Chunnu(), Lu Xiaolong(). Effectof aggrcgzted humic acid on membrane fouling xn direct cont

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35、tisa. Formation of chlorination by-products xn waters with low SUA-correhUons with SUA and cifferenual U* spectroscopy J Waler Reascnh. 2007, 41(6丿： 4139-414S16 Li Xiaoyi( )» Wu Sipn( 人 Sun Dezhi( ). Filtrationmechaiucm of membnmec m combmauon of catalytic wet air oxidation and memtane filtntionJ C/ESC Journal人2013. M(5): 1642-165017 Li Tiax>( ), Dong Bing二hi(人 Liu Zhen次).Charactenctic of algogemc orgaxue matter (AOM 丿 and its effect on UFM emb