Mitani Sangyo Co., Ltd. Mitani Sangyo Co., Ltd. Mitani Sangyo Co., Ltd.

We promote conversion of waste which is discharged from partners into valuable resource, to assist in reducing their total treatment cost.

Effective Use of Waste and By-products

Manner of utilization Occurring substance Original occurrence point Target industry sector to apply
① Utilize the remaining chemical compositions Sulfuric acid Dehydration process of organic synthesis Paper manufacture, iron and steel, etc.
Catalyst process
Caustic soda Etching Iron and steel
Phosphoric acid Washing Paper manufacture, fertilizer
Ammonia water Organic synthesis
Urea wastewater Manufacture of inorganic products
Aluminium chloride Organic synthesis Iron and steel
Waste oil Various plant facilities Cement
Sludge Drainage treatment process
② Utilize major components as raw materials Hydrochloric acid Aluminium etching Flocculants manufacturing
Sulfuric acid Dehydration process of organic synthesis Fertilizer
Catalyst process
Copper chloride Etching Chemicals
Waste oil Various plant facilities Production of regenerated heavy oil
③ Collect and redeliver some of wastes Ferric chloride Etching Chemicals
Organic solvent (IPA, Acetonitrile, NMP) Organic synthesis Refinery industry
Methanol Organic synthesis Paper manufacture
Catalysts (Pd, Ni, Co) Catalyst maker Noble metal recycling industry

Process Flow of Effectively Using Waste

Example of Effective Use of By-products