The study shows that the total TOC was reduced by 83.4%,
And the soluble nutrients can pass through theUFmembrane
and remain in the permeate. The permeate was low in
turbidity and free of suspended solids and E. coli and had an
excellent physical appearance. The membrane flux achieved
in this study was between 6 and 10L/m2/h. However, the
duration of each filtration cycle was relative short.
The permeate can be used in gardening and agriculture
for irrigation and soil fertilisation. Unless the water quality
requirements regarding the concentration of organic material
is obligatory, the reclaimed greywater in this study can also be
used for toilet flushing after disinfection. The retentate
generated from this system can later be treated together
with blackwater and kitchen waste in an anaerobic treatment
system to produce biogas and soil conditioner. This concept,
however, is still to be tested on a pilot scale.