The Oji Group reduces substances of environmental concern in wastewater generated on business activities to be below regulatory values by physical and chemical treatment and release into various waterways.
We measurement pollutants and continuously in wastewater under the laws and the voluntary management values.
In cases where voluntary values are over, we take various actions for prevention of pollution.
We operate on voluntary management values that are stricter than the regulatory values to manage wastewater.
The COD emission reduction was approximately 52% or more compared to emissions of substances of environmental concern in line with the environmental regulatory values in FY2020.
We are reinforcing the recovery of raw materials from wastewater generated by our business activity as a means of measuring substances of environmental concern at the source and reducing waste generated.
And more, we control wastewater treatment depending on the type of substancIntensity is the volume of water intake divided by net sales.e of environmental concern, coagulation sedimentation by pressurized flotation or chemical addition, neutralization, activated sludge, and biological membrane treatment, etc.