Contaminated water purification system

  • Meeting needs flexibly
  • Based on our many years of experience, we have succeeded in producing modular equipment for a variety of processes. The equipment can be used for various contaminants by combining modules.
  • Features of the equipment
  • ・ Modular equipment makes installation and dismantling easy.
  • ・ Since combinations can include only the modules necessary for the target substances, cost can be reduced.
  • ・ Systems are compact, so installation space is minimal.

Contaminated water purification system

Process flow

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1. Stationary unit
This unit separates oil being discharged using a natural flotation method.
2. VOC treatment unit
This unit gasifies volatile organochlorine compounds (VOCs) in discharged water through aeration using tiny bubbles, and absorbs the gas into activated carbon.
3. Chemical treatment unit
This unit subjects heavy metals in discharged water to flocculation treatment and pH adjustment through the addition of chemicals.
4. Waste water treatment unit
This unit adds a polymer flocculation agent to increase the size of the flock so that it can be separated through sedimentation.
5. Sand filtration unit
This unit traps the pin flock that did not settle out in the wastewater treatment unit between particles of the filter material (anthracite).
6. Dioxin decomposition and detoxification unit
This unit uses OH radicals, which have high oxidizability, to decompose dioxins in discharged water and render them harmless.
7. Dehydration unit
This unit pressurizes and dehydrates the flock obtained through sedimentation in the wastewater treatment to further reduce the volume.