Three local raw domestic sewage
samples were collected from Al-Jahra station and used to count and isolate their indigenous coliforms.
This may lead to a new research on P removal coupled with P recovery from domestic sewage
to meet the effluent standards and recycle phosphate rock.
Two types of sewage samples (raw and biologically treated domestic sewage
) were collected at different stages of treatment: the inlet and outlet points (in the central sewage system and collection chamber) of a primary treatment process designed to remove coarse/solid particles and the outlet pipe of a more rigorous treatment process(aerobic treatment in an aeration tank via pressure pipes) designed to remove high organic load.
Some industrial facilities generate ordinary domestic sewage
that can be treated by municipal facilities.
The two rivers run through the urban area of Colombo and Curitiba and receive considerable domestic sewage
Agriculture waste, industrial discharges and domestic sewage
are the principle drivers of water pollution.
From overall analysis it is concluded that the main sources of fecal coliforms are the animal feces, domestic sewage
and agriculture activities.
One such example is the recognition by Indian Chemical Council with the Water Resource Management Award for the innovative use of biological sewage treatment and subsequent post-treatment by Reverse Osmosis Technology to recycle domestic sewage
water and harness it for industrial use.
Faridi said the 450 million gallons of untreated sewage was dumped into the sea, and the greater sewage treatment plant would only be treating domestic sewage
and not the waste produced by industries.
160,000 tons of sludge, from the treatment of domestic sewage
and industrial effluent, will be reduced by the new digestion process to about 60,000 tonnes.
"Metito will employ the Membrane Bio Reactor technology for treating domestic sewage
water, which has already being pioneered at Palm Jumeirah.
The centre, at Teesport, treats domestic sewage
together with the waste from several industrial processes from the surrounding area.