ENERGY THAT HEALS THE PLANETTurnkey Bio CBG Plants & Biogas Scrubbing EPC
Greliance delivers high-efficiency Bio CBG Plant Setup, Biological & Caustic NaOH H₂S Scrubbers, CO₂ Water Scrubbing, and Amine Scrubbing Systems achieving >99.2% pure Methane.
ONE PLANT. MANY FEEDSTOCKS. MAXIMUM VALUE.
Greliance plants process 12+ agricultural and industrial feedstocks, enabling co-digestion for maximum biogas yield, zero seasonal downtime, and high revenue.
Greliance Bio CBG Technologies
Proven gas desulfurization, CO₂ scrubbing, and turnkey plant technologies compliant with Indian SATAT and IS 16087 standards.
Bio CBG Plant Setup
Complete concept-to-commissioning setup of Commercial Compressed Bio-Gas (CBG) infrastructure.
Biological H₂S Scrubber System
Eco-friendly bio-trickling filter using specialized bacterial cultures to neutralize high H₂S without chemical consumption.
H₂S Scrubber System by using Caustic NaOH
Chemical absorption scrubbing using Sodium Hydroxide (NaOH) for rapid, high-efficiency desulfurization down to <5 ppm.
CO₂ Water Scrubbing Technology
Physical absorption gas separation utilizing pressurized water wash to dissolve and separate CO₂ and H₂S from raw methane.
Amine Scrubbing Technology
Chemical absorption using regenerable amine solvents (MEA/MDEA) achieving ultra-pure >99.5% Methane recovery.
Raw vs Pure Biogas Composition
Compare feedstock gas quality before and after passing through Greliance biological scrubbing and membrane separation systems.
| Gas Component | Formula | Raw Biogas (Inlet) | Purified CBG (IS 16087) | Scrubbing Efficiency |
|---|---|---|---|---|
| Methane (CH₄) | CH₄ | 60% - 70% | 95% - 98% | Enriched (+50%) |
| Carbon Dioxide (CO₂) | CO₂ | 30% - 39% | 2% - 5% | 90% Removed |
| Hydrogen Sulphide (H₂S) | H₂S | 500 - 3,000 ppm | < 5 ppm | 99.9% Scrubbed |
| Water Vapour (H₂O) | H₂O | 4% (Saturated) | < 10 ppm | Dry / Removed |
| Nitrogen (N₂) | N₂ | 0.8% - 1.5% | < 0.1% | Reduced |
| Oxygen (O₂) | O₂ | 0.2% - 0.5% | < 0.1% | Reduced |
Official 5-Step Process Technology
From raw feedstock pre-treatment to IS 16087 bio-CNG cascade filling and organic fertilizer production.
FEED PREPARATION & PRE-TREATMENT
Slicing, shredding, and slurry mixing of raw agricultural biomass and organic residues.
ANAEROBIC DIGESTION
4-stage biological anaerobic digestion inside mesophilic/thermophilic CSTR vessels.
GAS PURIFICATION & UPGRADING
Multi-stage removal of H₂S, CO₂, moisture, and oxygen to achieve automotive-grade CBG.
COMPRESSION & CASCADE FILLING
High-pressure multi-stage compression into mobile gas cylinders for retail dispatch.
DIGESTATE HANDLING & FERTILE MANURE
Slurry dewatering into solid Fermented Organic Manure (FOM) and liquid bio-fertilizer.
ANAEROBIC DIGESTION
Anaerobic Digestion — 4-Stage Dynamic Process
Click any stage vessel on the left blueprint to inspect chemical reaction stages on the right.
Methane Generation by Archaea
Methanogenic archaea (strictly anaerobic) consume acetate, H₂, and CO₂ to produce methane (CH₄). Two pathways: aceticlastic and hydrogenotrophic. Biogas is ~60-70% CH₄.
Greliance Bio CBG Products
High-durability machinery engineered for Indian agricultural residues, pressmud, and heavy industrial biogas plant operations.
Napier Grass Shredder
Heavy-duty industrial biomass shredder engineered specifically for tough, high-fiber Napier grass and energy crops.
Solid Liquid Separator System
High-efficiency screw press separator for dewatering bio-digestate into solid organic fertilizer and liquid fraction.
Side Entry Agitators
Heavy-duty side-mounted mechanical mixers ensuring homogeneous slurry blending in large CSTR digesters.
Paddle Agitators
Slow-speed, high-torque horizontal paddle agitators ideal for high-solids biogas feedstocks.
Biomass Pellets
High-density eco-friendly fuel pellets produced from agricultural residue and processed biomass.
Happy Client Says About Us
"The biogas purification system provided by Greliance has significantly improved our methane recovery and overall plant efficiency. The system is reliable and easy to operate."
Plant Owner
Bio-CNG Project"Their engineering approach and support during installation were excellent. The CO2 and H2S removal system is performing consistently with minimal maintenance."
Project Manager
Waste-to-Energy Plant"Greliance delivered a high-quality biological scrubbing setup. Methane recovery exceeded our expectations, and the commissioning phase was handled with total transparency."
Operations Head
Agricultural CBG PlantYour Journey from Idea to Income
Greliance guides project developers step-by-step through concept finalization, SATAT LoI approval, bank loan sanction, and commercial CBG operations.
Project Development
Land & Feasibility
Legal & Regulatory
Financial Closure
Project Execution
Operations
Industries We Serve
Greliance provides tailor-made waste-to-energy and Bio-CNG infrastructure across commercial, municipal, and industrial sectors.
Hospitals & Healthcare
Efficient biomedical & organic waste management to energy solutions.
Residential Communities
Smart waste-to-energy solutions for housing societies & townships.
Canteens & Cafeterias
On-site food waste processing & biogas generation for cooking gas.
Food Processing Units
Convert organic waste, peelings & wash water into clean energy.
Hotels & Resorts
Eco-friendly waste solutions for hospitality and commercial kitchens.
Municipal Corporations
Large-scale urban waste management & commercial CBG infrastructure.
Airports & Railways
Handling high-volume organic waste in transit hubs efficiently.
Educational Institutions
Smart campus waste management systems and green energy units.
Latest from our Blogs & Insights
Stay updated with technological reviews, regulatory guidelines, policy adjustments, and project funding strategies in India's bioenergy sector.
Tech AnalysisBiogas Purification Technologies: VPSA vs PSA vs Water Scrubber
Learn why physical Water Scrubber systems are emerging as a low-maintenance, high-uptime choice by eliminating zeolite media costs.
Regulatory GuideHow to Get an LOI Under the SATAT Scheme: Step-by-Step Guide
Step-by-step instructions on compiling bankable project reports and securing long-term gas buyback contracts from Indian OMCs.
Policy UpdatesMaharashtra CBG Plant Subsidy 2026: ₹500 Crore Approved
Claim viability gap funding and capital subsidies up to ₹20+ Crore under the newly cleared state waste-to-energy guidelines.