DAISO MR System

Following the initiation of production of chlor alkali products based on the first mercury process in Japan, Daiso devoted its efforts to the research and development of technologies that control the discharge of mercury in the process. Consequently, Daiso developed a closed mercury-electrolysis system without any discharge of mercury and mercury adsorbents. The MRL (Mercury Removal Liguid) and MRG (Mercury Removal Gas) are the original mercury adsorbents developed by Daiso in the course of such development.

Daiso Engineering will continue contributing to the protection of the world environment from mercury pollution in line with Daiso's environmental policy, and will accelerate the development of related technologies in advance of the world environmental regulations.

Major Features

  • Substantial operational experience gained over more than 70 years,
  • Closed system design without any discharge of mercury, and
  • Design and engineering services developed from the viewpoint of an industrial plant operator

MRG (Mercury Removal Gas) Treatment System

The MRG treatment system consists of the following three (3) processes:

  • Pretreatment process to remove particles in the gas,
  • Cooling process to cool the gas for higher adsorption efficiency, and
  • Adsorption process to remove mercury

MRG PackageMRG Package

MRL (Mercury Removal Liquid) Treatment System

The MRL treatment system consists of the following three (3) processes:

  • Pretreatment process to control the pH and temperature of wastewater in the desired range,
  • Filtration process to remove suspended solids, and
  • Adsorption process to remove mercury

MRG PackageMRL Package

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