Category: Recipe

Dewatering technology plays a crucial role in the biomass pellet-making process by reducing the initial moisture content of raw biomass materials, making them suitable for efficient drying and pelletizing. Many high-moisture raw materials—such as Napier Grass, sugarcane bagasse, and green coconut husk—contain 65% to 75% moisture, which is too high for direct pellet production. To achieve quality and durability in the final pellets, the moisture must be reduced to: Feed Pellets: ~12% moisture required Biomass Pellets for Boilers/Combustion: ~8–12% moisture required 🌱 Moisture Reduction Stages: 1. Initial Moi [...]

🔬 What Happens to Napier Grass After CBG Process? Anaerobic Digestion (CBG Process) extracts energy-rich compounds (mainly carbohydrates, proteins) as methane-rich biogas. The remaining digestate is low in volatile content but rich in lignin, ash, and fibrous matter. Once dried and pelletized, digestate becomes a low-energy fuel or organic input. ⚖️ GCV Comparison Before & After CBG Material TypeGCV (kcal/kg)Natural Napier Grass Pellet3,800 – 4,200CBG Digestate Pellet (Pelletized)2,100 – 2,600 Why GCV Drops: Biogas removes combustible compounds. Digestate retains non-volatile residues (ash, lignin [...]

📝 Overview Napier Grass (Pennisetum purpureum) is emerging as a super crop in India’s biomass and renewable energy sector. With its high yield, fast growth, and adaptability to various climates, it’s the perfect raw material for producing biomass pellets used in industrial heating, power plants, and export markets. 🌾 Yield and Growth Potential Yield: 150–200 tons per acre per year (fresh biomass) Harvest Frequency: 4–6 cuts annually Moisture Content: ~70–75% fresh, needs dewatering before pelletization ⚙️ Processing Method & Required Machinery Dewatering Press Reduces moisture from 70% to approx. 4 [...]

Creating biomass pellets using only Napier Grass (75%) and Coconut Shell (25%) is not only possible — it’s also efficient when processed correctly. This blend offers a balance between ease of pelletization, good energy output, and moderate ash content. 🔬 Estimated Properties of Napier Grass (75%) + Coconut Shell (25%) Pellet PropertyValue RangeNotesAsh Content (%)6.5 – 7.5%Napier (5–8%), Coconut Shell (1.5–2%)GCV (kcal/kg)4200 – 4400High calorific output with clean burnCarbon Content (%)45 – 48%Enhanced by coconut shell’s lignin-rich structureVolatile Matter (%)68 – 72%From Napier – helps ignitionDensity (kg/m³)650 – 700I [...]