Page 184 - Membranes for Industrial Wastewater Recovery and Re-Use

Table 3.34 Recent publications on membranes for dyestuff removal
Reference Dye or matrix Removal process Membrane Permeate Colour Permeate %salt
area (m2) flux (l/m2h) rejection reused? rejection
(or COD)
Akbarietal. (2002) Acid, direct, disperse NF (bespoke) 0.00132 6-18 at 1-4 bar 8 7-100% No -10
reactive
Bes-Piaet al. (2002) Real effluent Pre-coag. UF. NF (NF70, 0.009 60at 1.5 bar, UF; > 9 7% (COD) No 85%
Film-Tec) 22, NF
Yenetal. (2002) Real effluent RO: Film-Tec 0.001 7 40-60 at 72-98% at NO 85-98%at
TW30-1812-50 15-45"C, 3.4-1 4 bar, 3.4-14 bar
14bar; 12-60at 45-15°C and45-15°C
3.4-14 bar, 45°C
Voigtetd. (2001) Real effluent Ti02 NF, MWCO 450 Da 5.1 39-215 at 6-25 70-100% No
bar: 12-60 at CFV
2.5-5 m/s, 15 bar
Marlucci et al. (2001); Real effluent PVDF UF, MWCO 70k Da; Single - 90% by RO. Yes (for RO- 40% (NF)
Ciardellietal. (2001) Osmonics NF, DL4040F SW, element 0% by UF NF insufficient
130-300 Da. Film-Tec RO for reuse)
Sojka-Ledakowicza Analogue and real Desalination Systems NF 0.0081 98.7~. Yes 20 vs. 80%,
etal. (1998) effluent (180 MWCO) and RO 99.7, NF vs. RO
NF vs. RO