From Grass to Gas — Napier as India's Green Gold
Explore how Napier grass is becoming India's most reliable feedstock for Bio-CNG and biomass energy.
Read Article →Free Treatment and Technology Insights for Bio-CNG and Biomass Pellets
How advanced feedstock pre-treatment, pelletization, and process technology maximize energy yield and operational efficiency.
Feedstock pre-treatment, often referred to as "Pre-Treatment", is a critical stage for both Bio-CNG and pellet production. It ensures consistent quality, reduced contaminants, and optimal energy conversion.
1. Size Reduction
- Choppers, hammer mills, and grinders reduce feedstock to <12mm.
- Uniform particle size enhances anaerobic digestion efficiency and pellet density.
2. Moisture Control
- Ideal input moisture: <60%.
- Overly wet feedstock reduces methane yield; overly dry feedstock increases dust and wear in pellet mills.
3. Pelletization Technology
- Napier grass, sawdust, bagasse, or press mud can be densified into pellets for energy storage and transport efficiency.
- Roller compaction or ring die pellet mills are preferred for consistent calorific value.
4. Bio-CNG Process Integration
- Pre-treated feedstock ensures smooth digester operation, high methane content, and minimal downtime.
- Advanced digestion monitoring (pH, temperature, microbial balance) is key.
Hastus Insight: Hastus combines pre-treatment, pelletization, and CBG digestion into an integrated ecosystem. This reduces operational variability and improves return on investment.
