The general situation of waste water reuse project in Shajiao C Power Plant has been presented. The residential sewage

waste water containing oil or coal

and blowoff water from boilers in the power plant are collected together

and reused for whole station service system after centralized treatment

and the waste water from chemical desalting is used as ashsluicing water. The waste water treatment technology includes temperature reduction

oil removal

aeration

sedimentation

clarification

and sterilization

the equipments used has high level of automation

being safe and reliable in operation. After waste water treatment

all indices reached reuse standard. After putting the waste water reuse project into operation

fresh water can be saved for 1.20 million t per year

the reduction of industrial waste water discharge to be 1.88 million t

reducing waste water from desalting for 0.14 million t

obtaining obvious economic

environmental and social benefits.