Executive Summary & Operational Context
A 2 cubic meter (2m³) household Biogas Plant powered by 50 kg of cow dung (2-3 cows) produces enough clean, smokeless methane gas (55-65% CH4) to replace 1.5 domestic LPG cylinders every month, while generating 80 kg of nutrient-rich fermented bio-slurry fertilizer daily.
Central Financial Assistance (CFA) under the MNRE National Bioenergy Programme provides direct bank subsidies of ₹9,800 to ₹14,350 for family-type biogas plants.
Why Every 2-Cow Dairy Farmer Needs a Biogas Plant
Raw cow dung dried into cakes (upla) wastes 80% of its nitrogen and energy, releasing noxious carcinogenic smoke during cooking. Anaerobic digestion in a brick-and-mortar Deenbandhu biogas digester captures flammable methane gas for cooking and lighting, while preserving 100% of organic nitrogen, phosphorus, and potassium in the digested bio-slurry. The slurry acts as a weed-seed-free, pathogen-free organic liquid fertilizer that doubles crop yields.
How to Implement on Your Dairy Farm
Choose Fixed-Dome Deenbandhu Model
The brick-masonry Deenbandhu dome model has zero moving metal parts, costs 30% less than floating metal drum KVIC plants, and lasts over 30 years without corrosion.
Mix Dung and Water in 1:1 Ratio
Always blend 50 kg fresh dung with 50 liters clean water in the mixing tank until a lump-free slurry is formed before opening the inlet gate.
Collect and Apply Fermented Bio-Slurry
Channel the digested overflow slurry directly into vegetable gardens or compost pits for enriched vermicomposting.
Recommended Breeds for this System
Related Dairy Guides in Shed & Infrastructure
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Rubber Cow Mats for Dairy Sheds: Thickness, Joint Protection & 1.5L Milk Yield Gain
Cow Dung Dewatering Machine: Solid-Liquid Separator Cost, Dry Compost & Vermicompost
FAQ
Frequently Asked Questions: Biogas (Gobar Gas) Plant 2m³ to 10m³: Construction Cost, MNRE Subsidy & Slurry Fertilizer
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