CAPACITY: 250 M

In line with its commitment to environmental protection and compliance with government wastewater treatment standards, PT Kawasan Industri Nusantara has established a wastewater treatment plant with a capacity of 250 m³/hour. Operated by PT Kawasan Industri Nusantara 24 hours a day, the plant processes waste from all industrial tenants in the Sei Mangkei Special Economic Zone (SEZ).

Influent Chamber
All wastewater sources originating from tenants are collected in one tub and equipped with filters (fine screen and gate screen)

Clarifier
In this tube, the activated sludge formed in the aeration tube, which contains the mass of microorganisms is deposited and pumped back into the first aeration tube.

Aeration Tube
Dissolving oxygen into wastewater to increase dissolved oxygen levels in water and support the formation of bacterial character, and a buffer for bacterial growth.

Equalization Tube
This tube is used to overcome operational problems, discharge variations, and to overcome problems in handling the quality of liquid waste that will enter waste treatment units.

Lab Analysis
To comply with the Minister of Environment Regulation No.3 of 2010 concerning Quality Standards for Liquid Waste for Industrial Estates, Article 9 paragraph (j), PT Kawasan Industri Nusantara routinely has its liquid waste checked every month at an accredited laboratory at the Ministry of Environment.