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BRIN and PT. Lontar PPPI Collaborate to Utilize Environmentally Friendly Industrial Waste


Peatlands hold great potential for agricultural and industrial forestry development. However, their use must be managed sustainably to protect the ecosystem.

PT. Lontar Papyrus Pulp & Paper Industry (PPPI) generates significant amounts of industrial waste, including 9,800 tons of fly ash, 6,152 tons of dregs and grits, and 867 tons of lime mud monthly. Fly ash, categorized as non-B3 waste, can be used as a soil conditioner and fertilizer through the Reduce, Reuse, Recycle (3R) approach.

The company developed PTA-55, a formula that combines fly ash, lime mud, dregs, and sludge brine to improve peatland quality and reduce environmental impact.

The National Research and Innovation Agency (BRIN) and PT. Lontar Papyrus signed an agreement to study the effects of PTA-55 on heavy metal content in Acacia crassicarpa, groundwater, and greenhouse gas emissions in peat soil. The agreement was formalized on November 19, 2024.

BRIN emphasized the importance of sustainably utilizing industrial waste and reducing environmental pollution. Additionally, PT. Lontar Papyrus highlighted that this collaboration would help tackle waste challenges while ensuring operations comply with environmental regulations. Researchers confirmed that PTA-55 could improve peat soil quality and promote plant growth.


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