UNIENS | waste water treatment
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waste water treatment

Waste water treatment system

Physical · Chemical treatment

In the physical and chemical treatment, suspended and dissolved organic compounds are removed from the waste water through physical reactions (screening, sedimentation and filtration) and chemical reactions (coagulation, oxidation, reduction and adsorption)

Biological treatment

In the biological treatment, organic compounds in the waste water are decomposed by microorganisms such as bacteria, protozoa, algae, etc.

Advanced treatment

In the advanced treatment, traces of organic compounds, inorganic ions and eutrophication-inducing substances such as Nitrogen (N) and Phosphorus (P), which can not be completely removed by the physical, chemical and biological treatment, are filtered so that more purified, treated water can be obtained.

Reuse treatment system

The final Waste water can be reused after various post-treatment processes depending on the intended use. Micro-organic and inorganic compounds, floating matters and nutrient salts contained in the treated water can be reused for various industrial uses after ultra filtration and reverse osmosis.

Evaporative concentration treatment system

A system designed to heat up the evaporative concentrator to evaporate and condense pure water from the highly concentrated waste water and to treat the thickened fouling. This mechanism is applied to highly concentrated waste water and reverse osmosis water including waste-leachate mixture and desulfurization waste water.

Vacuum sewage collection system

A system designed to collect the sewage from different sewage sources to the vacuum pump station and to the final discharge outlet, using the air flow in the closed vacuum pipeline.