) 8 1 0 2 O S M ( n o it a z i m it p O d n a n o it a l u m i S , g n il e d o M n o e c n e r e f n o C l a n o it a n r e t n I 8 1 0 2 8 7 9 : N B S
I -1-60595- 25 -1 4
f
o
n
o
it
a
n
il
a
s
e
D
D
y
e
b
y
C
h
a
r
g
e
d
M
o
s
a
i
c
M
e
m
b
r
a
n
e
n
a
i
J
-
m
i
a
n
D
E
N
G
,
X
i
a
o
M
,I
S - D
h
u
j
u
E
N
G
a
n
d
G
u
a
n
g
-
h
u
i
L
I
s e c r u o s e R r e t a W f o y ti s r e v i n U a n i h C h t r o N , g n i r e e n i g n E l a p i c i n u M d n a l a t n e m n o ri v n E f o e t u ti t s n I n a n e H , u o h z g n e h Z , r e w o P c i r t c e l E d n
a ,450011,China
d r o w y e
K s:ChargedMosaicMembrane(CMM), D , ye Desailnaitonandpuriifcaiton.
t c a r t s b
A . Desalination and purification of dye c an improve tis quality and value .Membrane n i a m e h t f o e n o s i y g o l o n h c e t n o i t a r a p e
s technologies of dye desalination and purificaiton .The e n a r b m e m c i a s o m d e g r a h
c (CMM)is preparedbyinterfacia lpolymerization(IP)inthispaper .A nd t nh te i isapplied in desalination and purification ofcrudedye .TheresultsshowsRejection ofthe
d n a l C a N r o f M M
C Reactive Ligh tYellow F( -P 6GS) is 13.2% and 99.2% ,respectively .Itsflux e s a e r c n
i s from 6.22L·m-2·h-1to18.5L·m-2·h-1when theoperatingpressureincreases from0.2MPa
. a p M 5 . 0 o
t I ts flux reduces from 13.32 L·m-2·h-1 to 11.11 L· m-2·h-1 and it s rejection for NaC l
y l l a u d a r
g improves from12.5% to 13.7% when NaC lconcentraiton increases from 500 mg·L- 1to
g m 0 0 0
2 ·L-1 .Itsflux gradually reduces from10.17L·m-2·h-1 to 8.21 L·m-2·h-1 and therejection for
e y d e h
t a ll exceeds 99 . % 00 when the PF-6GS concentration increases from 500mg·L-1 to
g m 0 0 0
2 ·L-1. Aftert hecrudedyeisdesalinate adv i fivet imest heNaC lconcentrationindyesoluiton
e c u d e
r s from8775mg·L- 1to658mg·L-1 ,theconductivityofd yesoluitonreduces from28.6ms/m to
2 9 .
8 sm / ,m dyepurityi ncreases from72.6%t o97. %. 0
n o it c u d o r t n I e y d e h
T prepared by "satling-out"methodcontainslargeamountsofs s atl and rawmaterialsand y
b products .Thesei mpuritiescandecreased yesolubilityandfastness ,andmaketheprintedproduc t s
a
e i ly appear color point and color stain. So i t has grea t significance for desalination and n o i t a c i f i r u
p ofcrudedye.
0 0 2 n e e w t e b s i ) F N ( e n a r b m e m n o it a r tl i f o n a n f o ) C W M ( f f o t u c t h g i e w r a l u c e l o m e h
T -1000 .I tcan
tl a s e t a r a p e s l l e
w s and mos tdyes. iL ][1 prepared a negaitvely charged N F membrane via phase
. x d o h t e m n o i s r e v n
i TheNFmembranepurewaterfluxcouldreach269.5L·m-2 h· - 1andt herejecitons
s tl a s f o s e p y t l l a r o
f candecilnetounder11%, da sn ti rejecitonforReacitveRed49 wasintherange 0
8 f
o -90%.Wei[2]fabricatedhollow fiberNF membraneand appiled theNF membraneto desailnate
X n a d e n i a t n o c h c i h w n o it u l o s s u o e u q a d e x i m e t a r t n e c n o c d n
a -BRandNaCl .Afterdesailnaiton and e r s a w l C a N % 3 . 5 9 r e v o d n a , % 4 . 1 9 o t p u s a w e y d f o e t a r y r e v o c e r e h t n o it a r t n e c n o
c movedfromthe
. s e r u t x i m t l a s / e y
d iL[3]prepared ahollowfibercompostiemembranemodified wtih nano- OTi 2. T he
e n a r b m e m F
N rejeciton for CR , MO and MB was 94±2.57% , 52.1±2.45% , and 92±2.20% , y l e v it c e p s e
r ,bu t ti had no rejeciton to satls(NaC,lNa2SO4) u. Y [ ]4 fabricated a high flux posiitvely
e s o o l d e g r a h
c N F membrane via “blending-phase inversion” method. TheNF membranepossesse s s e y d e v it c a e r r o f n o it c e j e r r e h g i h y l e v it a l e r d n a y ti li b a e m r e p t l a s r e h g i
h .These NF membranes
d e y a l p s i
d outstandingadvantagestobeappiledt odesailnateandpurifythecrudedye. ) M M C ( e n a r b m e m c i a s o m d e g r a h c e h
T is one of NF membranes . It contains both anion e g n a h c x
e group and caiton exchange group .Inorganicionscan easily penetratethrough CMM by g n i d n o p s e r r o c h ti w g n i n i b m o
c exchanged group ,so i thas lower rejection for inorganic ions .Bu t y l l a r e n e g t o n e r a y e h t e s u a c e b d n u o p m o c c i n a g r o r o f n o i t c e j e r h g i h s a h M C
C charged [5] .This
e r u t a e
f makeCMMbemoresuitablefordesalinationandpurificationofcrudedye. t , t n e s e r p t
A hepreparaiton methods ofCMMhav ephaseinversion[6] ,composition[7] ,interfacia l
n o i t a z i r e m y l o
p [8] ,thehybrid[9]and cross-linking[ 01 ] da n soon .Inthisstudy, theCMMw asfirslty
d e r a p e r
p byIPwhich ah d highrejectionfordyes andl owerrejectionforNaCl .
Thenthemembrane aw sappliedi ndesailnaitonandpurificationofPF-6GScrudedye .T heaimi s s e i g o l o n h c e t d n a s l a i r e t a m w e n e d i v o r p o
n o it c e S l a t n e m i r e p x E
sl a i r e t a M
b o s a w ) I E P ( e d i m i r e h t e y l o
P tained from Guangzhou Hengda surface technology Co. , Ltd . m-Phenylenediamine m( -PDA)waspurchasedfromShangha iShanpuchemicalCo. ,Ltd .Trimesoy l
o b i Z y b d e i l p p u s s a w ) C M T ( e d i r o l h
C Dalong pharmaceuticals technology Co. ,Ltd .Sodium S
D S ( e t a f l u s l y c e d o
d ) was purchased from Shangha iYingpeng Addiitves chemica lcompany . e
t a n o b r a c m u i d o
S (Na2CO3) wasobtained from Tianjin Jingdachemicalcompany .N-hexane was
g n o t i a K n i j n a i T m o r f d e s a h c r u
p chemica lreagentsCo. ,Ltd. Reactive Ligh tYellow (P -F 6GS) ,its m eol cular weight is 796 ,which is provided by a dye Co. ,Ltd. The dye purity is 72.6% ,the
o d n a l C a N f o n o i t a r t n e c n o
c theri mpuritiesis17.6%and9.8% ,respectively.
f o n o it a r a p e r
P PolysufloneSuppor tMembrane
i r t e h
T -channe lhollow fiber ultrafitlration (UF) membrane was prepared by dry/je twe tspinning d
n a ) % 8 ( P V P , l a i r e t a m e n a r b m e m a s a d e s u s a w ) % 2 2 ( F S P h c i h w n i , y g o l o n h c e
t acetone(0.5%)
s a w e n a r b m e m t r o p p u s f o e c n a m r o f r e p e h T . t n e v l o s s a d e s u s a w c M A D , s e v i t i d d a s a d e s u e r e w
n i w o h
s Table1 .
it a r a p e r
P onoft heCMM
i r t e h
T -channe lhollowfiberCMMwaspreparedby IP ,whichthetri-channe lPSFhollowfiberUF d
n a ) F B ( n i s h c u f c i s a b , e n a r b m e m t r o p p u s e h t s a d e s u s a w e n a r b m e
m P EIand2 ,5-diaminobenzene s
a C M T , r e m o n o m e s a h p s u o e u q a s a ) A I D ( d i c a c i r u f l u
s organicphasemonomer .BF c an provide e
g n a h c x e n o i n
a group ; DIA can provide cation exchange group . The concentration of acid a
N ( t n e b r o s b
a 2CO3)andsurfactan t(SDS)inwatersolutionwas0.45%and0.2% ,respectively .The
o e c n a m r o f r e p e h T . n i m 3 d e t c a e r P
I f CMM prepared under differen tconditions was shown in .
1 e l b a T
F P d n a l C a N r o f 2 M M C f o n o it c e j e r t a h t s w o h s 1 e l b a
T -6GS is13.2%and 99.2% ,respectively , e
y d e v o r p m i n a c y l n o t o n h c i h
w recovery ratebu talso canacceleratethespeed ofdesalinationand u
p rification. Iti smoresuitablefordesalinationandpurificationofPF-6GScrudedye .SoCMM2is F
P r o f y f i r u p d n a e t a n i l a s e d o t d e t c e l e
s -6GScrudedye .
1 e l b a
T . Theperformanceofsuppor tmembraneandCMM. O
N Membrane D IA F B P EI NaCl P -F6GS conduct Jv
) %
( (%) (%) (%) (%) (%) (L·m-2·h-1)
1 S M 0 0 0 0 4 1 4 .8 37.2
2 CMM1 1 .5 0 .2 1 .2 2 .5 6 0 9 .3 22.8
3 CMM2 2 0 .2 1 .5 13.2 99.2 3 9 13.7
n o it a n il a s e D e y D
F P f o n o it a r t n e c n o c e h t h c i h w n i d e r a p e r p s a w s u o e u q a e y d e h
T -6GS crudedyewas5% .And then p
s a w t
i umpi ntomembranemodulet odesalinate .Thesamevolumeofdemonizedwaterwasj oined .
L 4 . 0 d e h c a e r e t a e m r e p n e h w n
l a c it y l a n
A Methods
e t e m y t i v it c u d n o c a y b d e r u s a e m s a w n o i t a r t n e c n o c t l a s e h
T r (Shangha i Dazhong analysis S
D D : l e d o M , y n a p m o c s t n e m u r t s n
i -12A) .The dye concentration was analyzed by UV/visible n
o i s i c e r P i a h g n a h S ( r e t e m o t o h p o r t c e p
s InstrumentCo. ,Ltd. ,Model :722S).
s tl u s e
R andDsicus ison e
n a r b m e
M Performance
f o t c e ff
E Opera itng Pressure .TheCMM wasfirstly pre-pressured for30 mina t0.5MPawith M
M C n o e r u s s e r p g n i t a r e p o f o t c e f f e e h t n e h t d n a , r e t a w e r u
p performance was analyzed under .
1 . g i F n i n w o h s e r e w s t l u s e r e h T . e r u t a r e p m e t m o o r
2 .
0 0.3 0.4 0.5 4
6 8 0 1
2 1
4 1
6 1
8 1
0 2
·
·
-1
a P M / P
e f f E . 1 e r u g i
F c tofoperatingpressureonfluxoft heCCM.
m · L 2 2 . 6 m o r f s e s a e r c n i M M C e h t f o x u l f e h t t a h t s w o h s 1 . g i
F -2·h- 1to 18.5 L·m-2·h- 1when the
g n i t a r e p
o pressurei ncreasesfrom0.2MPat o0.5MPa. o
s l a t l u s e r e h
T nc a beexplained yb theKedem-Katchalskyequation [11].
E ffec to fNaC lConcentra iton .The NaCl soluiton was prepared in which its concentration m
o r f d e s a e r c n
i 500mg·L-1 ot 2000mg·L-1 .Theeffec tofNaC lconcentration on CCMperformance
a
w sshowi nFig.2.
0 0
5 1000 1500 2000 0
. 0 1
5 . 0 1
0 . 1 1
5 . 1 1
0 . 2 1
5 . 2 1
0 . 3 1
5 . 3 1
0 . 4 1
· g m / C
·
·
0 . 2 1
5 . 2 1
0 . 3 1
5 . 3 1
0 . 4 1
5 . 4 1
0 . 5 1
%/
R
g i
F ure2 .Effec tofNaC lconcentrationontheCCMperformance.
t
I canbeseenfromFig.2tha tthefluxdecreases from13.32L·m-2·h- 1t o11.11L·m-2·h-1 sa NaC l
n o i t a r t n e c n o
c increases from 500mg·L- 1to 2000mg·L-1. tI can beexplainedby Kedem–Katchalsky
n o it a u q
e [ 1]1 .
a 2 . g i
F lso shows that CMM rejection for NaCl increases from 12.5% to 13.7% when si t m
o r f s e s a e r c n i n o i t a r t n e c n o
c 500mg·L- 1to 2000mg·L-1 .Th echargecapacityinCMMdecreases as
s e v o r p m i n o i t a r t n e c n o c l C a
N becauseanion exchange group and cation exchange group adsorbes .
n o i e t y l o r t c e l e e t i s o p p o y l l a c i r t c e l
e The character ofCMM decreases ,and which makes rejeciton s
e s a e r c e d l C a N r o f M M C f
o .Theresulti sdifferentt oordinarynanfitlrationmembrane[12]. f
o t c e ff
E Dye Concentra iton .The effect of dye concentraiton on CMM performance was .
0 t a d e t c u d n o
0 .
0 0.5 1.0 1.5 2.0 2.5
0 . 8 5 . 8 0 . 9 5 . 9 0 . 0 1
5 . 0 1
0 . 1 1
·
·
2-·
1-0 . 8 9
5 . 8 9
0 . 9 9
5 . 9 9
0 . 0 0 1
%/
R
e c n a m r o f r e p M C C e h t n o n o i t a r t n e c n o c e y d f o t c e f f E . 3 e r u g i
F .
e h t t a h t s w o h s 3 . g i
F flux fo CMMslowlydropsfrom 01 .17L·m-2·h-1to8.21 L·m-2·h- 1whendye
e v o r p m i n o i t a r t n e c n o
c s from 500 mg·L-1 to 2000mg·L-1 .This is due to tha tpolarization and
g n i l u o f e n a r b m e
m wil lbestrong as dye concentration increases[13] .T heflux decreasecan also be
t o m s o e h t o t e u d y l l a i t r a
p icpressureofsolutionincreases sa thedyeconcentrationincreases. e
y d r o f e n a r b m e m f o n o i t c e j e r e h t t a h t 3 . g i F m o r f n e e s e b o s l a n a c t
I iskep tbetween99.24% da n e
v o r p m i n o i t a r t n e c n o c e y d n e h w % 8 3 . 9
9 s from500mg·L-1to2000mg·L-1 .I thelpstoimprovedye
y r e v o c e
r erat .
n o it a n il a s e
D o fDye
f o t c e ff
E Opera itng Time on Flux .TheCMMwasappiled in thedesailnation and purification F
P r o
f -6GS crudedyesa t0.35MPaunder room temperature .Thecrude dye concentration in feed .
% 5 s a w n o i t u l o
s Effec tofoperatingt imeonCCMfluxwasshowni nFig.4 .
0 5 10 15 20 25 30 35 40 0
. 6 5 . 6 0 . 7 5 . 7 0 . 8 5 . 8
·
·
e r u g i
F 4. Effect fo operatingt imeonCMMflux.
. g i
F 4 shows tha tthe flux of CMM ed creases in every cycle sa operating time prolongs .T he l
l i w l C a N d n a e y d f o n o i t a r t n e c n o
c increase w ith prolong of operaitng time in very cycle, which s
e v o r p m
i osmoitcpressureofsoluitonandconcentrationpolarization oftheCMM. .
g i
F 4 also shows that the CMM flux is higher than the flux of the previous cycle. tI can be d
e n i a l p x
e thattheconcentrationofNaC landdyereduces bydesalination ,whichdecreasesosmotic e
r u s s e r
p ofsolutionandconcentrationpolarization oftheCMM.
f o t c e ff
E Opera itngTimeonDyeConcentra iton.Effec tofoperatingtimeondyeconcentration n
i feedsolutionwasshowni nFig.5duringdesalinationandpurificationprocess.
5
- 0 5 10 15 20 25 30 35 40 0
0 0 0 3
0 0 0 5 3
0 0 0 0 4
0 0 0 5 4
0 0 0 0 5
0 0 0 5 5
0 0 0 0 6
. g i F m o r f n e e s e b n a c t
I 5 tha tthedye concentraiton i n feed solutionincreasesineverycycle as a
c e b s g n o l o r p e m i t g n i t a r e p
o use of dewatering .The dyeconcentration in feed solution is smaller n
a h
t that of the previous cycle .I tcan be explained tha ta ny dye losse s and tota ldye moun t e
y d e m o s e s u a c e b s e s a e r c e
d be discharged with permeaitng solution. The dye purity can reach 7
9 0. %byfive itmesdesalinationandpurificaiton.
f o t c e ff
E Opera itng Time on NaCl Concentra iton .The NaC lconcentration in feed sioluiton d
e r u s a e m s a
w . Itsremova lrateandt ota lremovalrateweremeasuredaftereverydesalinationcycle . Theresult wasshowni nTable2 .
e h t t a h t s w o h s 2 e l b a
T concentration of NaC ldecreases from 8775mg·L- 1to 658mg·L-1 and the
l a v o m e r l a t o
t ratereaches92.48%byfive itmesdesalination.
2 e l b a
T . ThechangeofNaC lconcentrationandrejectionwithoperatingt ime. .
O
N time h
( ) concNenaCtrlation (m Lg· -1)
l C a N
e t a r l a v o m e r
) % / R (
l a t o t l C a N
e t a r l a v o m e r
) % / R (
0 0 8775 0
0
1 8 .5 4964
1 5 . 3
4 43.51
2 15.9 2783
3 8 . 4
2 68.34
3 22.8 1617
2 3 . 3
1 81.66
4 29.7 1033
1 6 .
6 88.27
5 36.2 6 65 4.21 92.48
n o e m it g n it a r e p o f o t c e ff
E conduc itvtiy .The conducitvity v y ar trend of feed solution w as e
l b a t n i n w o h
s 3 .Table3 shows that et h conduciton offeedsolution decreases from32.8ms·m-1 to
2 9 .
8 ms·m-1anditstota lremovalreaches67.07% byfivetimesdesailnation .I tcanbeseentha tthe
l a v o m e r e h t n a h t r e w o l s i e t a r l a v o m e r y t i v it c u d n o
c rateofNaC lbycomparing Table2t o Table3 . t
I isbecauset hedyet akes chargeandhascertainconducitvity .
3 e l b a
T . Thechangeoft hedyesolutionconductionwithoperatingt ime. .
O
N time ) h (
u d n o
c ctivity
(ms·m-1) creomndouvcati lvraittye
) % / R (
l a t o
T conductivity e t a r l a v o m e r
) % / R (
0 32.8 0
0
1 8 .5 24.1 26.52 26.52
2 15.9 16.27 23.87 50.39
3 22.8 12.92 13.26 63.65
4 29.7 10.20 2 .2 65.85
5 36.2 8.92
2 2 .
u l c n o
C s ni o
) 1
( The rejection oft he CMM prepared by IP forNaC land Reactive Ligh tYellow i s13.2% and t
I . y l e v it c e p s e r , % 2 . 9
9 si verysuitabletopurify FP -6GScrudedye. e
h T ) 2
( increase of pressure is beneficia lfor increase of flux and production capactiy of the .
M M
C Itsflux reduced and tis rejeciton forsolute gradually improved as concentration NaC land e
y
d increased.
(3 )Afterthecrudedyeisdesailnated and purifi aed v i fivetimest eh NaC lconcentration reduce L
· g m 5 7 7 8 m o r
f - 1to 658mg·L-1and conduction reducefrom 28.6m ms· -1 to 8.92 ms·m-1 ,thepurity
f
o ed y increases from72.6%t o97.0% .
s t n e m e g d e l w o n k c A
h c r a e s e r s i h t g n i d n u f r o f e c n i v o r P n a n e H f o t n e m t r a p e D n o it a c u d E e h T o t l u f e t a r g e r a s r o h t u a e h T
t n a r g a i
v 12A560007and WaterResourcesDepartmen tof Guizhou Provinceforfunding viagran t a i v g n i d n u f r o f r e w o P c i r t c e l E d n a y c n a v r e s n o C r e t a W f o y t i s r e v i n U a n i h C h t r o N d n a 5 1 3 1 0 2 T K
. 2 4 2 1 0 2 t n a r g
Reference
n o i t a r t l i f o n a n e s o o l d e g r a h c y l e v i t a g e n A . l a t e , g n a h Z o a t a Y , o u G g n i n g n i N , g n i X n i x i L ] 1 [
p h t i w g n i d n e l b y b e n a r b m e
m oly (sodium 4-styrene sulfonate)grafted SiO2 viaSI-ATRP fordye n
o i t a c i f i r u
p [ .J] SeparationandPurificationTechnology ,2015, 146(1 ): 00 5 – .5 9 ]
2
[ Xiuzhen Wei ,Xin Kong ,Chengtian Sun ,e tal .Characterizaiton and application ofa thin-film n
a n e t i s o p m o
c ofiltration hollow fiber membrane for dye desalination and concentraiton ][ .J l
a n r u o J g n i r e e n i g n E l a c i m e h
C , 2013,223(1 ): 20 1 –7 182. f o n o i t a n i l a s e D . l a t e , u H u y o a i X , n e h C o b g n i Y , i L g n e p i X ] 3
[ d ye solution uitlizing PVA/PVDF e
n a r b m e m e ti s o p m o c r e b i f w o l l o
h modified with OTi 2 nanoparticles ][J .Journa lof Membrane
, e c n e i c
S 2014,471(2 :3) 81 – 91 1 . 2
e s o o l d e g r a h c y l e v i t i s o p , x u l f h g i H . l a t e , g n a W g n i m n a u Y , g n a h Z o a t a Y , u Y g n a i L ] 4 [
n o it a r t l i f o n a
n membrane by blending with poly (ionic liquid) brushes grafted silica spheres ][ .J s
l a i r e t a M s u o d r a z a H f o l a n r u o
J , 2015,287(8): 33 –7 383.
[5] MitsuruHiga ,D aiMasudaa ,EisukeKobayashi ,e tal .Chargemosaicmembranespreparedfrom A
V P f o s e r u t c u r t s d e t a n i m a
l -based charged layers 1 .Preparation and transpor t properties of s
e n a r b m e m c i a s o m d e g r a h
c ][J .Journa lofMembraneScience ,2008 ,310( –1 2) :466-473.
[6] Mitsuru Higaa ,Mayum iKobayashi ,Yuriko Kakihana ,et .la Charge mosaic membranes wtih i
m e
s -interpenetratingnetworkstructures[J] .2013 ,428: 72 – 46 2 . 7
[7 R] .H. Lajimi ,A.B. Abdallah , . E Ferjan P. ,e tal .Change of the performance properties of e
c a f r u s y b s e n a r b m e m e t a t e c a e s o l u l l e c n o it a r t l i f o n a
n adsorptionofpolyelectrolytemulitlayers[J] . 1
( 3 6 1 , 4 0 0 2 , n o it a n il a s e
D - :3 3) 1 -9 202.
[8] J.Y. Zhang ,Y.W. Zhang ,H.Q. Zhang ,e tal .Preparation and Characterization of a Nove l c
i a s o M d e g r a h C e d i m a y l o
P Membrane[J] .ChineseJourna lofChemica lEngineering ,2010 ,18(4) : 9
6 5 -576.
[9] Xu Tongwen ,Liu Junsheng ,Fu Yanxun .A Hybrid amphoteric ion-exchange membrane , 2 3 8 4 6 8 1 N C . t n e t a P a n i h C . d o h t e m n o it a r a p e r p s ti d n a p u o r g c i d i c a t n e r e f f i d g n i s i r p m o c
6 0 0
[ 01 ] Mitsuru Higa ,Mayumi Kobayashi ,Yuriko Kakihana ,e tal .Charge mosaic membranes with i
m e
s -interpenetratingnetworkstructurespreparedfromapolymerblendofpoly(viny lalcohol)and s
e t y l o r t c e l e y l o
p [J] .Journa lofMembraneScience ,2013,428(1): 72 – 46 2 . 7 1
[ 1] I . Koyuncua , D . Topacika , M.R . Wiesner , Factors influencing flux decline during h
c r a e s e R r e t a W . s tl a s d n a s e y d g n i n i a t n o c s n o i t u l o s f o n o it a r t l i f o n a
n , 2004, 38(2): 24 –3 440. 1
[ 2] Y iHe ,Guang-Ming Li ,HuaWang, te al .Experimenta lstudy ontherejection ofsal tanddye r
t l i f o n a n e t a t e c a e s o l u l l e c h t i
w aiton membrane . Journa lof the Taiwan Institute of Chemica l 9
0 0 2 , s r e e n i g n
E ,40 ,(3) :289- 52 9 1
[ 3] Jian Huang ,Kaisong Zhang .Thehigh flux poly (m-phenyleneisophthalamide)nanofiltraiton 1
1 0 2 , n o it a n il a s e D . n o i t a n i l a s e d d n a n o it a c i f i r u p e y d r o f e n a r b m e
m , 282(1) :19- 62 .
: r o h t u
A Deng Jianmian ,Doctor ,Associate Professo ,r Graduate direction: Water Treatmen tand e
n a r b m e
