• Aucun résultat trouvé

Ageing of polysulfone ultrafiltation membranes for drinking water production in contact with sodium hypochlorite or formulated detergents

N/A
N/A
Protected

Academic year: 2021

Partager "Ageing of polysulfone ultrafiltation membranes for drinking water production in contact with sodium hypochlorite or formulated detergents"

Copied!
4
0
0

Texte intégral

(1)

HAL Id: hal-01026337

https://hal.archives-ouvertes.fr/hal-01026337

Submitted on 29 May 2020

HAL is a multi-disciplinary open access archive for the deposit and dissemination of sci- entific research documents, whether they are pub- lished or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers.

L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.

Ageing of polysulfone ultrafiltation membranes for drinking water production in contact with sodium

hypochlorite or formulated detergents

C. Regula, Emilie Carretier, Yvan Wyart, M. Sergent, Geneviève Gésan-Guiziou, A. Vincent

To cite this version:

C. Regula, Emilie Carretier, Yvan Wyart, M. Sergent, Geneviève Gésan-Guiziou, et al.. Age- ing of polysulfone ultrafiltation membranes for drinking water production in contact with sodium hypochlorite or formulated detergents. Procedia Engineering, Elsevier, 2012, 44, pp.1038-1040.

�10.1016/j.proeng.2012.08.668�. �hal-01026337�

(2)

Procedia Engineering 44 ( 2012 ) 1038 – 1040

1877-7058 © 2012 Published by Elsevier Ltd.

doi: 10.1016/j.proeng.2012.08.668

(XURPHPEUDQH&RQIHUHQFH

>3@

$JHLQJRISRO\VXOIRQHXOWUDILOWDWLRQPHPEUDQHVIRUGULQNLQJZDWHUSURGXFWLRQLQFRQWDFW ZLWKVRGLXPK\SRFKORULWHRUIRUPXODWHGGHWHUJHQWV

&5HJXOD(&DUUHWLHU<:\DUW06HUJHQW**pVDQ*XL]LRX$9LQFHQWHWDO

$L[0DUVHLOOH8QLYHUVLWp)UDQFH(&2/$%)UDQFH,15$)UDQFH&HQWUH,QWHUGLVFLSOLQDLUH GH1DQRVFLHQFHGH0DUVHLOOH)UDQFH

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

)LUVWWRPDNHDJHLQJH[SHULPHQWVHDVLHUDQGWRVKRUWHQWKHH[SHULPHQWDOWLPHVLQYROYHG E\WKHDJHLQJPHFKDQLVPVWKHFRPPRQO\XVHGSDUDPHWHU³FRQFHQWUDWLRQîWLPHRIH[SRVXUH´

FîWLVXVHG7KLVZD\RIWKLQNLQJZRXOGVXSSRVHWKDWVWURQJFRQFHQWUDWLRQVIRUVKRUWWLPHVRI H[SRVXUHFRXOGEHFRQVLGHUHGHTXLYDOHQWWRORZFRQFHQWUDWLRQVIRUORQJWLPHVRIH[SRVXUH7KLV DSSURDFK UHPDLQV TXHVWLRQDEOH DQG WKH PDMRU LVVXH RI WKH FXUUHQW PHPEUDQH DJHLQJ UHVHDUFKHVZRXOGEHWRGHILQHFRQVLVWHQWDQGUHSUHVHQWDWLYHDJHLQJSURWRFROV

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

)LUVW SUHOLPLQDU\ H[SHULPHQWV ZHUH UHDOL]HG RQO\ ZLWK 1D2&O IRU D VDPH YDOXH RI F î W SDUDPHWHU EXW ZLWK D VLPXOWDQHRXV YDULDWLRQ RI FRQFHQWUDWLRQ DQG RI WLPH RI H[SRVXUH 7KH UHVXOWV HPSKDVL]HG WKDW WKH PDFURVFRSLF DJHLQJ DV ZHOO DV WKH PLFURVFRSLF DJHLQJ DUH QRW HTXLYDOHQW IRU D KLJK FRQFHQWUDWLRQVKRUW WLPH RI H[SRVXUH DQG ORZ FRQFHQWUDWLRQORQJ WLPH RI H[SRVXUH )RU WKH XOWUDILOWUDWLRQ PHPEUDQHV DQG IRU WKH H[SHULPHQWDO FRQGLWLRQV WHVWHG WKH SHUPHDELOLW\ GHWHULRUDWLRQ LQ IXQFWLRQ RI F î W SDUDPHWHU KDV EHHQ VKRZQ WR EH QRW KRPRJHQHRXVDFFRUGLQJWRWKHWHPSHUDWXUH$Wƒ&DQGƒ&LWVHHPVWRKDYHDPLQLPDOWLPH RI FRQWDFW IRU WKH PHPEUDQH GHJUDGDWLRQ 0RUHRYHU WKH XVH RI F î W SDUDPHWHU VLJQLILFDQWO\

XQGHUHVWLPDWHVWKHGHJUDGDWLRQVFDXVHGE\1D2&OFRQWUDU\WRZKDWKDSSHQVDWƒ&ZKHUHWKH Available online at www.sciencedirect.com

(3)

1039 C. Regula et al. / Procedia Engineering 44 ( 2012 ) 1038 – 1040

F î W SDUDPHWHU RYHUHVWLPDWHV WKH GHJUDGDWLRQV 7KLV LV FOHDUO\ YLVLEOH RQ WKH 6(0 LPDJHV REWDLQHGIRUWKHVDPHFîWSDUDPHWHUFRUUHVSRQGLQJWRSSPGD\)LJ

,QRUGHUWRDFKLHYHDUHOHYDQWHVWDEOLVKPHQWRIDQDJHLQJSDWWHUQZLWKRXWXVLQJDQDFFHOHUDWHG DJHLQJ SURWRFRO ZLWK KLJK FRQFHQWUDWLRQV DQG VKRUW FRQWDFW WLPHV IXUWKHU H[SHULPHQWV ZHUH UHDOL]HGXVLQJDQDSSURDFKEDVHGRQPHWKRGRORJLFDOWRROVZLWKVHYHUDOFRQFHQWUDWLRQVDURXQG WKHLQGXVWULDOFRQFHQWUDWLRQVFRPPRQO\XVHGIRUDOOWKHFRPSRXQGVVHYHUDOWHPSHUDWXUHVIURP

ƒ& WR ƒ& DQG VHYHUDO VRDNLQJ WLPHV IURP GD\V WR GD\V GHILQHG E\ H[SHULPHQWDO GHVLJQV7KHUHVXOWVDFKLHYHGOHWWRFRQVLGHUKLJKGHWHULRUDWLRQVLQYROYHGE\1D2&OLQFUHDVHRI SHUPHDELOLW\ GHFUHDVH RI VWUHQJWK DW EUHDN PRGLILFDWLRQV RI VXUIDFH SURSHUWLHV DSSDULWLRQ RI FUDFNOHV DQG GLVDSSHDUDQFH RI VSHFLILF SHDNV IURP $75)7,5 VSHFWUD 7KH FRPSDULVRQ RI UHVXOWVDWƒ&RIKROORZILEHUVDJHGLQ1D2&ODQG32[\VDQ=6DWWKHLUUHVSHFWLYHLQGXVWULDO FRQFHQWUDWLRQVKRZWKDWGHJUDGDWLRQVRIPHPEUDQHSHUPHDELOLWLHVDUHIDUPRUHGHWULPHQWDOZLWK 1D2&O WKDQ ZLWK 32[\VDQ =6 LQ VSLWH RI SRVVLEOH H[WUHPH FOHDQLQJ S+ DQGRU WLPH RI H[SRVXUH 7KH VDPH WHQGHQFLHV FDQ EH REVHUYHG RQ PHFKDQLFDO SURSHUWLHV DQG SRO\PHU GHWHULRUDWLRQV REVHUYHG RQ 6(0 LPDJHV DQG $75)7,5 VSHFWUD &RQFHUQLQJ WKH RWKHU GHWHUJHQWV WHVWHG DQG FRQVLGHULQJ WKH ORQJ DJHLQJ GXUDWLRQ DSSOLHG LQ WKLV VWXG\ LW FRXOG EH FRQFOXGHG WKDW WKH IRUPXODWHG GHWHUJHQWV DUH TXLWH KDUPOHVV IRU WKH PHPEUDQH IRU D WLPH FRUUHVSRQGLQJ WR WKH HIIHFWLYH FXPXODWHG LQGXVWULDO WLPH RI FRQWDFW 7KHVH UHVXOWV ZRXOG KHOS RSHUDWRUV WR RSWLPL]H WKH FOHDQLQJ FRQGLWLRQV DQG WR DYRLG WKH ZRUVW FRPELQDWLRQV FRQFHQWUDWLRQWHPSHUDWXUHWLPH RI FRQWDFW LQ RUGHU WR PDLQWDLQ WKH EHVW SHUIRUPDQFHV RI PHPEUDQHVLQSODFHZLWKRXWGHJUDGDWLRQRIWKHP

,Q JHQHUDO WHUPV WKH UHVXOWV VKRZ WKDW 1D2&O FDXVHV WKH ZRUVW DJHLQJ GHWHULRUDWLRQV RQ

PHPEUDQHV DIWHU H[WHQGHG H[SRVXUH DQG FKDQJHV LQ PHPEUDQH FKHPLFDO JURXSV K\GUDXOLF

SHUIRUPDQFHVPHFKDQLFDO SURSHUWLHVDQGSK\VLFDOVWUXFWXUHZKLFK ZDV ZHOONQRZQIRUDORQJ

WLPH 7KH DGGHG YDOXH RI RXU ZRUNLQJ OLHV LQ WKH EURDG ILHOG RI DJHLQJ FRQGLWLRQV WHVWHG DQG

PRVWO\LQWKHULJRURXVDJHLQJPHWKRGRORJ\DSSOLHG,QGHHGWKHFîWSDUDPHWHUZKLFKZDV

WKRXJKVLJQLILFDQWUHYHDOHGQRWVLJQLILFDQWDQGWKLVVWXG\FOHDUO\GHPRQVWUDWHGWKLVSRLQW7KDWLV

KRZ QHZ YLVLRQV WKULYH DV ZHOO DV WKH QHZ GHWHUJHQWV WHVWHG +RZHYHU IRU DOO GHWHUJHQWV

GHWHULRUDWLRQRI393LVREYLRXVDQGXQDYRLGDEOHDVLWFDQEHREVHUYHGRQWKHVSHFWUDREWDLQHG

DW ƒ& RYHU GD\V WR FRQFHQWUDWLRQV HTXDO WR WKH KDOI DQG WKH GRXEOH RI WKH HIIHFWLYH

LQGXVWULDO FRQFHQWUDWLRQ DSSOLHG )LJ 5HJDUGLQJ WR WKH PLFURVFRSLF GHWHULRUDWLRQV REWDLQHG

QRREYLRXVFRUUHODWLRQFDQEHHVWDEOLVKHGZLWKWKHSHUPHDELOLW\YDULDWLRQDQGWKHGHWHULRUDWLRQRI

WKH PHFKDQLFDO SURSHUWLHV (YHQ LI WKH GHWHULRUDWLRQ PHFKDQLVP KDV EHHQ ZHOO HVWDEOLVKHG LQ

SUHYLRXVZRUNVRWKHUGHWHULRUDWLRQPHFKDQLVPVVHHPWRRFFXUDQGKDYHWREHVWXGLHG

(4)

1040 C. Regula et al. / Procedia Engineering 44 ( 2012 ) 1038 – 1040

)LJ 6(0

SLFWXUHV RI PHPEUDQHV DJHG LQ DFFHOHUDWHG FRQGLWLRQV LQ 1D2&O IRU D VDPH SURGXFW FRQFHQWUDWLRQîW SSPGD\DWƒ&

)LJ&RPSDULVRQRIWKHGHWHULRUDWLRQRIWKHDPLGHERQGRI393E\DOOWKHFKHPLFDOVWHVWHGDW Fƒƒ&DQGFƒƒ&IRUGD\V

.H\ZRUGV SRO\VXOIRQH PDFURVFRSLF DQG PLFURVFRSLF FKDUDFWHULVDWLRQ K\SRFKORULWH DQG IRUPXODWHGGHWHUJHQWVH[SHULPHQWDOGHVLJQ

2[\VDQ=6 ,QLWLDOPHPEUDQH

0 38OWUDVLO

38OWUDVLO

38OWUDVLO1HZ 1D2&O

Références

Documents relatifs

La Chine prend ainsi part activement à la creation de richesses dans les pays du monde.. 37 L'engouement pour l'e-shopping sur les

La gestion de la relation client pour la maîtrise du marché:. Le pilotage par la

Les chiffres de la production et les prix en fonderie de métaux non ferreux au deuxième trimestre 2009.. En collaboration avec le

Friedt et E.Carry, que je remercie au passage, qui se sont joints à l'aventure (pour des raisons que je soupçonne plus sérieuses que les miennes) en contribuant de manière importante

Mule jenny (1779, Crompton) Secteur métallurgique. charbon de terre, coke,

Depuis 1990, les programmes regionaux de lutte contre le SIDA et les MST (maladies sexuellement transrnissibles) sont inttgrks. Onne comait pas I'arnpleurdes MST dans les pays de

Vancouver's rapidly expand- ing school system benefits from Social Credit policies under which the Provincial Government pays an equalized 50 percent of all approved capital

al3 ww exosup.com... al3