JAKARTA - Every day, PT Indonesia Weda Bay Industrial Park (IWIP) manages domestic waste of non-Hazardous and Toxic Materials (non-B3) category by applying the principles of circular economy through an integrated system based on 3R (Reduce, Reuse, Recycle). This step includes sorting and processing waste from industrial activities as well as household activities of the surrounding community to maximize the reuse of materials that still have value.
As the activity of the industrial area which now accommodates more than 80,000 workers increases, the volume of domestic waste also increases. More than 20 tons of domestic waste consisting of organic and inorganic waste is managed every day through the IWIP waste management facility.
In addition to serving the needs of waste management in industrial areas, IWIP also supports the management of household waste in the community around the company's operational area. This effort is carried out through regular transportation of waste from two Temporary Storage Facilities (TPS) serving Lelilef Sawai Village, Lelilef Waibulan Village, and Gemaf Village to IWIP's integrated waste management facility.
General Manager of Health, Safety and Environment (HSE) IWIP, Iwan Kurniawan, said that the structured management of non-B3 category domestic waste is part of IWIP's efforts to build an environmental management system that encourages waste reduction and increased reuse of materials as part of the implementation of the circular economy principle.
"Since September 2020, IWIP has implemented a waste sorting system as part of integrated domestic waste management. We ensure that each type of waste is handled according to its characteristics so that the processing process can run effectively and responsibly. Through this effort, we hope that waste management will not only support the operation of the area, but also provide real benefits for the environment and the community around the operational area," said Iwan, in his statement, Thursday, July 23.
In 2023, IWIP will build a domestic waste management facility with an area of around 6,000 square meters. This facility is equipped with facilities for sorting recyclable materials, a composting facility for processing organic waste, a processing facility for Refused Derived Fuel (RDF), and an incinerator facility.
In the processing process, organic waste such as food waste and other biological materials is processed through a composting facility to produce compost fertilizer that can be reused to support greening of the area.
Meanwhile, inorganic waste that still has a use value, such as paper, cardboard, certain types of plastic, and metal materials such as aluminum and iron, are sorted for recycling so that they can return to the utilization chain as secondary raw materials.
IWIP also processes non-B3 domestic waste that still has a calorific value into Refused Derived Fuel (RDF) or waste derived fuel. The stages of processing are sorting to separate materials such as glass, metal, and other inorganic materials, then counting so that the size is uniform, and drying to reduce the water content.
After going through this process, the material is processed into dry flakes or pellets that have a calorific value so that it has the potential to be used as an alternative fuel in the co-firing system of the Steam Power Plant (PLTU). The utilization of RDF through this co-firing method is one form of energy recovery (energy recovery) from materials that still have a use value, while supporting efforts to reduce CO₂ emissions and the application of the circular economy principle.
Iwan added that the implementation of this circular economy-based waste management system is a real effort by IWIP to keep materials that still have a use value in the utilization cycle for as long as possible.
Through the application of the circular economy principle to domestic waste in the non-B3 waste category, IWIP seeks to create a waste management system that not only focuses on waste handling, but also on the creation of added value through the reuse of resources and the recovery of materials and energy. Thus, IWIP continues to encourage the realization of a more efficient, waste-free, and sustainable industrial area.
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