At present, water is used for many benefits. Whereas after the utilization of recycled water It must be the water treatment occurs, in order to be able to remove the water back to the yon have again. Water treatment is divided in 3 ways: physical, chemical, and biological methods that a group of kraphom interest is to waste water treatment by photocatalyst tio2-based process is used as a catalytic, because widespread popular usage.
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