Rice Straw Wood Pellet Production Line in Thailand

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Project Background and Client Profile

Thailand is one of Southeast Asia’s largest producers of agricultural residues. Every year, the country generates over 20 million tons of rice straw and large amounts of sawdust and waste wood from the furniture and construction sectors. Traditionally, rice straw has been burned in open fields, causing severe air pollution, while sawdust and waste wood were often discarded or underutilized.

The investor behind this rice straw wood pellet production line in Thailand project comes from a family engaged in the timber industry. Over the years, he realized that the rising domestic demand for clean fuels, combined with Thailand’s national renewable energy roadmap, offered a new direction: to convert straw and wood waste into densified biomass pellets. These pellets not only meet the energy needs of local factories but also hold strong export potential to Japan, South Korea, and the EU.

Given the increasing electricity demand and the Thai government’s ambition to substitute fossil fuels with renewables, the entrepreneur decided to establish a wood straw pellet production line in Thailand. This project not only reduces open-field straw burning but also contributes to the circular economy by giving new value to agricultural residues.

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Engineering Content and Layout

The factory layout of rice straw wood pellet production line in Thailand was designed for maximum efficiency and safety.

• North side: factory entrance and access to the main highway.
• West side: raw material storage yard for straw bales and sawdust piles.
• East side: office and staff facilities.
• South side: main production workshop, divided into slicing, crushing, pelletizing, cooling, and packaging areas.

The production capacity is 20,000 tons per year, achieved through a biomass pellet production line operating 4,800 hours annually.

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Raw Materials

The rice straw wood pellet production line in Thailand project relies on a mix of local resources:

• Rice straw – 3,000 tons/year (collected from nearby farming regions)
• Sawdust and sawdust ash – 9,000 tons/year (from local sawmills and furniture factories)
• Waste wood boards – 8,000 tons/year (from construction and carpentry sectors)
• Water – 120 tons/year
• Electricity – 1.87 million kWh/year from the municipal grid

This combination allows flexibility in pellet production and reduces reliance on a single raw material.

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Main Equipment

This setup ensures stable output, with each straw wood pellet mill capable of producing around 1.5 t/h, supporting the total line capacity.

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Utility and Environmental Engineering

• Water supply: 120 t/year, mainly for domestic use.
• Power supply: 1.87 million kWh/year from local grid, with a backup transformer system.
• Drainage: rainwater and sewage separated; wastewater treated via septic tank and later discharged into municipal treatment facilities.
• Fire safety: equipped with hydrants, extinguishers, and fire-resistant construction.
• Air emissions: dust from chipping, crushing, and pelletizing controlled by a combination of bag filters and cyclones, achieving over 99% efficiency.
• Noise: machinery noise (70–85 dB(A)) controlled through soundproof workshops and vibration reduction bases.
• Solid waste: collected dust reused in production; domestic waste (1.2 t/year) collected and transported by the municipal sanitation department.

Total environmental investment: THB 1.05 million (USD 24,000).

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Production Process

1. Chipping – Large straw bales and waste wood are chipped into smaller pieces.
2. Crushing – Material is ground to 3–8 mm particles using a hammer mill.
3. Pelletizing – Raw material is pressed through biomass pellet mill ring dies at 80–130°C, forming dense biomass pellets.
4. Cooling – Pellets are naturally cooled in storage silos.
5. Packaging & Storage – Finished pellets are weighed, bagged, and stored for delivery.

Pollution control is integrated into each stage, with dust collection and noise management measures applied.

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Economic Feasibility

Total investment: THB 35 million (USD 800,000)

Environmental protection: THB 1.05 million (USD 24,000)

Workforce: 8 employees, operating on a two-shift system

Expected payback period: 3–4 years, depending on domestic and export pellet prices

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Market Outlook in Thailand

The establishment of this rice straw wood pellet production line in Thailand comes at the right time. Thailand’s Alternative Energy Development Plan (AEDP) aims to increase renewable energy share to 30% by 2037. Biomass, particularly pellets, plays a crucial role in this transition.

Currently, domestic demand for pellets is growing, particularly from:

• Industrial boilers replacing coal and heavy oil
• Biomass power plants co-firing with pellets
• Export markets in Japan and South Korea

Moreover, the wood rice straw pellet plant in Thailandproject reduces straw burning, directly contributing to Thailand’s fight against seasonal smog problems in agricultural areas.

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Conclusion & Future Prospects

The rice straw wood pellet production line in Thailand demonstrates how agricultural residues and wood waste can be transformed into a profitable and sustainable business. With government policy support, growing domestic demand, and export opportunities, this project is well-positioned for long-term success.

For investors, Thailand remains an attractive destination for biomass projects due to its abundant raw materials, rising clean energy demand, and strategic export location.

As a professional supplier of biomass pellet equipment, we can provide customized solutions for projects like this, including design, installation, training, and after-sales service. If you are considering investing in a biomass pellet line in Southeast Asia, this Thai case shows the potential and profitability of such ventures.