Membrane and Desalination Technologies - TCE Moodle Website

Membrane Technologies for Point-of-Use and Point-of-Entry Applications 611
Table 14.4
Available membrane systems for decentralized application in developing/transition
countries and their properties
Membrane
system
Capacity
(L/day)
Pre treatment
(posttreatment)
Feed water
quality
System investment
costs (USD)
RO, POU 145–340 MF, activated carbon,
multistage
Tap water ca. 400
RO, SSS 1,000 UF Brackish water High
720,000 MF/UF Sea or brackish
water
ca. 10,000
FO, POU 3
(9 L/system)
None Surface water 30
a
UF POU 20–30, 18,000
L/system a
Chlorine Surface/ ca. 40
groundwater
UF POE 25,000 Active carbon Tap or
groundwater
2,700–3,000
UF SSS 60,000 None 141,000
240,000 None 178,000
1,000 b
– Coarse filter
– Microfilter
– Security filter
Surface water n.a.
6,000 Different
Surface/ Depending on layout
configuration groundwater
10 m 3 /day None Surface water n.a.
48,000 Multistage MF, UV Brackish water ca. 26,000
MF, POU/
POE
100 L/system a
None Surface water 49.95
700 L/system a
3
ca. 5,000
L/system a
None Surface water 10–25
10,000 L/system a
150–300
100–750
L/system a
MF, active carbon 200–400
MF, SSS 10,000 None Surface/
groundwater
ca. 1,000–2,000
n.a. None Surface water n.a.
5,760,000 Different
Surface/ Depending on layout
configurations groundwater
n.a. data not available. The literature references for this table are discussed in the text, and the data on costs and
capacity for the market products were obtained from the producer. MF microfiltration, RO reverse osmosis, SSS
small-scale systems, UF ultrafiltration.
a Capacity per system service life.
b Capacity per membrane module.