Page 180 - Membranes for Industrial Wastewater Recovery and Re-Use

Table 3.33 Publications on membranes for dyestuff removal (from Diaper et al.. 1996)
Reference Removal Scale, flow (m3/day) Permeate Dyestuff 'L colour Permeate 'YO salt '6 water
process used or membrane area (m2) flux reused rejection reused? rejection recovery
(Wh)
Buckley ( 19 9 2) reactive NF 0.56 mz membrane area 33 NO >99 NO 80
Buckley (1992) soluble and colloidal dynamic-formed UF 256 m2 membrane area No >9 5 Yes 85
Buckley (1992) disperse MF 40 m3/day 50 No Yes
Treffry-Goatley soluble and colloidal MF 15 No 81
and Buckley (1 993)
RO No 91-94 Yes 98 85-95
Gaeta and Fedele NF pilot scale No YeS 50 90
(1991)
Calabro et al. (1991) Bayer Levafix: rediblue membrane distillation lab scale variable No
Majewska-Nowak acid orange, methyl red. UF. polysulphone 15.9 x 104m2 2.1-8.3 95-100"
etal. (1984) direct red, direct green. membranes membrane area
reactive yellow.
eriochrome black
Majewska-Nowak direct green, direct black UF, polysulphone 81.2 x 10442 33.3-41 7 >97b 10-20
etal. (1989) meta. eriochrome black T membranes membrane area
Porter (1990) indigo UF full scale Yes 100 No >97
Townsend et al. direct, vat, hsperse and UF plant scale 33 No 95 Yes
(1992) reactive
Treffry-Goatley and insoluble and anionic RO 150 m3/day Yes
Buckley ( 199 1) acid. metal complex. direct, 2-stage RO 40 m3/day No 90-94 Yes 96
basic and reactive
Majewska-Nowak direct meta black UF. polysulphone 15.9 x 1o4m2 5.8 90-100'
rtal. (1984) membranes membrane area
Porter and direct. disperse, acid basic NF. Zro-PAA on 139 m2 membrane Yes 97 Yes
Goodman and reactive sintered area (partial)
(1984) stainless steel
Bal et al. (1991 i Ultrazone blue IJF. polyacrylate lab 83 75-80
membrane

P
LA
(Table continued on next page) F