A coagulation-sedimentation method using aluminum sulfate and calcium salts is generally used for the removal of boron and fluorine. However, if the concentrations are too high, it becomes difficult to comply with the national minimum effluent standards stipulated in 1999 under the revised Water Pollution Control Law, of 10 ppm for boron (in areas other than the sea) and 8 ppm for fluorine (also in areas other than the sea). There are also treatment methods that use ion exchange resins or chelating agents, but they are expensive making it difficult for dischargers of boron and fluorine to implement, many of whom are small to medium-sized enterprises. This has resulted in a postponement in the imposing of standards on industries that have difficulty complying, and there was a need for development of a low-cost, high-efficiency treatment method.

We have highly economical insolubilization technology for treating polluted soil, and water treatment technology for dealing with all toxic metals.

Treating discharged water from factories, ground water, and polluted soil, as well as preventing elution of toxic elements from various types of combustion ash.

Natural organic materials are used, achieving an overwhelming economic advantage.

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