Indonesian petrochemical operator PT Kaltim Parna Industri (KPI) has formally commissioned a new commercial liquid carbon dioxide (LCO2) purification and liquefaction plant located at its primary manufacturing hub in Bontang, East Kalimantan.

Delivered by engineering contractor PT Tripatra Engineers and Constructors (Tripatra), the facility officially entered commercial service following an inauguration ceremony. The 300-tpd facility represents the largest operational CO2 liquefaction asset in Indonesia and establishes the first dedicated merchant LCO2 production unit across Kalimantan and Eastern Indonesia.

The development aligns with broader decarbonization initiatives across Southeast Asia’s fertilizer sector, enabling point-source carbon capture and utilization (CCU) by monetizing industrial off-gases generated during hydrogen reforming in conventional ammonia synthesis.

At maximum nameplate capacity, the Bontang unit can process up to 109,500 tons of LCO2 per year. 

The purified product stream is designated for merchant industrial offtake, including carbonation, cryogenic food preservation, and specialized chemical manufacturing across domestic and regional supply chains.

The project supports Indonesia’s state-backed ambition to position itself as a regional hub for low-carbon chemical manufacturing. 

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State fertilizer producer PT Pupuk Indonesia has outlined strategic targets to achieve 2.15 million tons of blue ammonia and 990,000 tons of green ammonia production per year by 2030, alongside 7 million tons of conventional grey capacity.

Alongside its new CCU operations, KPI is advancing upstream decarbonization feasibility studies with engineering firm NextChem to evaluate constructing a 300-tpd renewable green ammonia production plant powered by local hydroelectric power at the Bontang complex.

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