IJNDERSTANDINGOF FOTILINGIN LOW PRESSUREUF MEMBRANE
FILTRATION BY NATURAL oRGAMc MATTER (NoM): A PERSPECTIVE
OF ULU PONTIAN RIVER AND BEKOK DAM WATER
A.w. zularisamtr,A.F. rsmailr".M. R, salim3, Mimi Sakinahl
rMembraneResearch
Unir, MRU, Univelsiri Teknologi Mataysia,8I 300 Skudai,Johor,,Facutryof Civit
& EnviJonmeaJEngineerirg.Uni\ersiLjMajalsiapahang.UMp. 25000.Cambang.
eut
vuruy.iu
"Facdr]olCi!il Lngineenng.
gtj00 Skudai.Johor,
Uni\ersirjTeknotogi
Matay(ia.
-j.
+ Conespondingauthor.phone:607-5535592;
Faxr 607_5581463
E-rnait: afauzi@utm.mv
ABSTRACT
Samplesftom Ulu Pontian river which has a rclativety lydrcphjtic NOM sourcewater and Bekok
Dam
nver which has a relatively hydrophobic NOM source warer have been used for foulins behaviors
analysesand membraneautopsy prorocol. Ulu poorjan rjver has shown
$earer fouhe;3tenuar anC
higher flllx decline but lesserNOM removat than the Bekok Dam warer, suggestinerhai;ifierences
in
molecrilar weigbt distriburion. srmcturat, functionality and hydrophiticity/hfJropho"bocitybemeen
me
two NOM souces playedprimary rcles in goveming the fouting m;hanisms of otitutitt urion
*"-n an".
Moreo'r'erthe membraneautopsiesanarysesconfirmed the flux decline resulrsand permeare
anarysesas
the irltered membrane was rnainty fouled by the bydophitic NOM components
suctr as the
polysaccharideslikesubstances,alcohotic compoundsand aliphatic amide of proiein groups
ratrrerthan
Keywordsr NOM; Fouling; Autopsy; Drinting water