The invention relates to a method for treating high-
salinity high-organic-matter
industrial waste water. The method comprises the following steps that A, the high-
salinity high-organic-matter
industrial waste water flows through multiple gratings, a coagulant is added for treatment, and then
solid-liquid separation is carried out; B, the solution is introduced into a
constructed wetland for biological purification after being diluted; C, a
reducing agent is added after
ozone is used for removing peculiar smells,
activated carbon is adopted for filtering, and then
settling treatment is carried out; D, security filtering is carried out firstly, then micro-
filtration membrane filtering is carried out,
ultrafiltration membrane filtering is carried out, and drainage water meeting the
environmental protection standard is obtained. Compared with the prior art, the biological cleaning technology and the
activated carbon and membrane filtering technology are adopted, the method is easy to operate, low in
operating cost,
environmentally friendly and free of
pollution, a large amount of
industrial waste water can be treated economically and efficiently, inorganic salt and
organic matter in the
industrial waste water can be effectively removed, the
salt content of the drained water can be reduced,
suspended solids, metallic
oxide,
colloid,
bacteria and the like can be effectively removed, the waste
water treatment effect is better, the drained water completely meets the
environmental protection drainage standard, and the
greening area can be increased.