Thailand Research Partnership Explores CO2 Separation From Biogas for Closed-Farm Agriculture

Why It Matters

Turning livestock‑derived CO₂ into a productive input could lower energy costs and emissions for Thai agriculture, offering a replicable model for the region. Success would demonstrate a scalable pathway to integrate climate mitigation with farm profitability.

Key Takeaways

• TISTR and Bio Bloom start 12‑month CO₂‑from‑biogas pilot
• Prototype separates CO₂ using pressure‑swing adsorption, then compresses it
• CO₂ will regulate temperature and stimulate growth in 3×6 m farms
• Project supports Thailand’s circular‑economy and emission‑reduction goals
• Successful model could be replicated across regional livestock operations

Pulse Analysis

Thailand’s agricultural sector produces roughly 30 million tonnes of CO₂ annually, much of it from intensive livestock operations that also generate biogas. In recent years the government has promoted circular‑economy schemes such as the Zero Burn to Earn program, encouraging farmers to convert waste into renewable energy. The new partnership between the Thailand Institute of Scientific and Technological Research (TISTR) and Bio Bloom Co Ltd extends this agenda by targeting the captured CO₂ itself, turning a greenhouse‑gas liability into a resource for controlled‑environment agriculture.

The research will install a prototype pressure‑swing adsorption unit that isolates high‑purity CO₂ from the methane‑rich biogas stream, then compresses and cools the gas for safe handling. By feeding the CO₂ into two 3 × 6 metre closed‑farm chambers, the team can test its effect on temperature regulation and photosynthetic efficiency of vegetables and fruits. Early laboratory data suggest that modest CO₂ enrichment can boost yields by 10‑15 percent while reducing the need for external heating, offering both agronomic and energy savings.

Successful validation would allow the approach to scale across Thailand’s roughly 2 million pig farms and to be adapted for poultry and dairy operations throughout Southeast Asia. By converting waste CO₂ into a climate‑control input, growers could cut electricity consumption by up to 30 percent, while the nation moves toward its target of a 20 percent reduction in agricultural emissions by 2030. Scaling challenges include maintaining adsorption efficiency at larger volumes and integrating gas handling with existing farm infrastructure, but the partnership illustrates how public research bodies and private agritech firms can jointly drive low‑carbon agricultural innovation.