• Non-destructive testing・Printing and marking

About treatment of wastewater after flaw detection testings

Wastewater containing the penetrant is generated when the water-washable penetrant testing is conducted.
It is prohibited by law to drain this wastewater into rivers, etc. without treatment.

Wastewater generated in the flaw detection testings needs to be handled in either of the following.

• Ask industrial waste disposers, etc. for collection
• Discharge it into rivers, etc. upon treatment to the standards stipulated by law

When asking industrial waste disposers, etc. for collection

Please contact your existing business partners and local businesses.

When discharging it into rivers, etc. upon treatment to the standards stipulated by law

It is possible to process it by wastewater treatment equipment or chemicals.

In the case of chemical treatment

Wastewater is separated into sludge and water by putting in a certain amount of chemicals and stirring it.

Discharge the water treated to the standards stipulated by law and ask industrial waste disposers for collection of sludge.