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WHIRLER CENTRIFUGALS PVT. LTD.
GST : 24AAACW1729R1ZX

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Operational Grid Injection Organic Waste Dry Digestion Continuous Bio-CNG Plant

Operational Grid Injection Organic Waste Dry Digestion Continuous Bio-CNG Plant Specification

Automation Grade
Automatic with manual override

Production Capacity
300 Nm3 to 25,000 Nm3 raw biogas per day

Temperature Range
Mesophilic (32C - 42C) / Thermophilic (52C - 57C) operation

Accessories
Pressure gauge, water trap, removable top cover, digital monitoring panel

Driven Type
Electric motor driven

Installation Guideline
Civil foundation required, piping connection, grid compliance for CNG injection, commissioning support

Efficiency (%)
Up to 90% biogas extraction efficiency

Usage & Applications
Organic solid waste to bio-CNG conversion, grid gas injection, fertilizer production

Model No
OGI-DDBP-2024

Motor Power
Based on mixing and substrate transfer requirements (2-20 HP motors)

Speed
Continuous/Automatic sludge stirring (10-30 RPM for agitator)

Frequency
50 Hz

Type
Operational Grid Injection Organic Waste Dry Digestion Continuous Bio-CNG Plant

Material
Reinforced Concrete, Biogas-Resistant Steel, High-Density Polyethylene (HDPE) Pipes

Computerized
Yes

Automatic Grade
Fully Automatic

Control System
PLC (Programmable Logic Controller)

Drive Type
Motorized / Mechanical Auger

Voltage
415 V (Three Phase)

Power
25-100 kW (based on plant size)

Weight (kg)
Customized as per plant capacity (typically 50,000-200,000 kg)

Dimension (L*W*H)
Customizable (typically 12m x 8m x 6m for medium-size plants)

Color
Grey/Green/Custom Coating

Capacity
5 to 500 Ton fresh waste/day (scalable)

Features
Continuous operation, Grid injection system, Dry digestion, Co-digestion capability, Biogas upgrading, Odor-free operation

Machine Type
Continuous Fixed Dome Digester Bio-CNG Plant

Surface Finish
Anti-corrosive epoxy coating

Power Consumption
Variable (20-80 kWh per ton waste processed)

Safety Systems
Automatic pressure relief, gas leak detection, emergency shutdown

Biogas Upgrading System
Pressure Swing Adsorption (PSA) or Water Scrubbing for methane enrichment

Heat Recovery
Optional waste heat recovery for site heating or pre-warming feedstock

Odor Control
Integrated odor management system

Gas Injection Pressure
13-18 bar for pipeline-grade CNG injection

Output Purity
Bio-CNG purity 95-98% methane

Water Usage
Optimized water consumption through slurry recirculation

CO2 Emission Reduction
Up to 90% net reduction compared to landfill

Gas Storage
High-pressure gas tanks or gas balloon as buffer

Life Span
20+ years (with proper maintenance)

CHP (Combined Heat & Power) Option
Supported for decentralized power and thermal output

Remotely Monitored
Remote diagnostics and web dashboard supported

Digestate Output
Solid and liquid fertilizer with composting capability

Compliance
Meets relevant BIS, MoEFCC, and international safety standards

Operational Grid Injection Organic Waste Dry Digestion Continuous Bio-CNG Plant Trade Information

Minimum Order Quantity
1 Number

Delivery Time
4

About Operational Grid Injection Organic Waste Dry Digestion Continuous Bio-CNG Plant

This fully operational biogas facility represents a state-of-the-art solution in waste-to-energy technology, utilizing an advanced continuous dry anaerobic digestion process to convert organic waste into high-value renewable energy. Engineered specifically for high-solids feedstocks, the system continuously processes organic waste without interruption, ensuring maximum operational throughput, minimal water usage, and high process efficiency.

The raw biogas captured during digestion is upgraded on-site to high-purity Bio-CNG (biomethane), meeting the strict quality standards required for vehicle fuel and gas grid integration. By injecting this renewable natural gas directly into the local utility grid, the plant provides a reliable, clean energy stream that actively displaces fossil fuels and reduces greenhouse gas emissions. Ultimately, this advanced facility champions the circular economy by diverting municipal and agricultural organic waste from landfills, mitigating odor, and generating sustainable energy for clean transportation and heating.

Efficient Biogas Production and Upgrading

This plant utilizes continuous dry digestion and cutting-edge biogas upgrading technologies, such as PSA or water scrubbing, ensuring optimal methane enrichment. The process achieves up to 90% biogas extraction efficiency, supporting grid injection grade bio-CNG with methane purity of 95-98%. The system is scalable, capable of handling various feedstock quantities, and can operate under mesophilic or thermophilic conditions.

Integrated Safety and Automation

Equipped with a PLC-based control system, the plant ensures smooth, fully-automatic, and continuous operation. The integrated safety features include automatic pressure relief, gas leak detection, emergency shutdown functions, and robust anti-corrosive finish, ensuring safe and long-lasting performance for over 20 years with proper maintenance.

Sustainable Resource Utilization and Output

The plant delivers two valuable outputs: high-purity bio-CNG for clean energy and digestate for use as solid or liquid fertilizer. Optional combined heat and power (CHP) options and waste heat recovery further enhance site energy efficiency, while odor management, water recycling, and substantial CO2 emission reduction foster environmental sustainability.

FAQ's of Operational Grid Injection Organic Waste Dry Digestion Continuous Bio-CNG Plant:

Q: How does the dry digestion process for bio-CNG production work in this plant?

A: The plant uses a continuous dry digestion process where organic solid waste is broken down by microbes in a controlled, oxygen-free environment. This process generates biogas, which is then upgraded by PSA or water scrubbing to produce pipeline-grade bio-CNG.

Q: What types of safety and monitoring systems are integrated into the plant?

A: The plant is equipped with automatic pressure relief valves, gas leak detectors, emergency shutdown functions, and remote diagnostics with a web dashboard, ensuring safe and reliable operation at all times.

Q: When can the harvested digestate be used as fertilizer, and in what forms?

A: Digestate output is available continuously and can be processed further for use as solid compost or liquid fertilizer. Both forms are suitable for agricultural and horticultural applications and contain valuable nutrients for soil enrichment.

Q: Where is the produced bio-CNG injected and how is grid compliance ensured?

A: After methane enrichment (up to 95-98%), the bio-CNG is compressed to 13-18 bar and injected into the local gas grid, following BIS, MoEFCC, and international safety standards to ensure compliance and safe transmission.

Q: What are the environmental benefits of operating this bio-CNG plant?

A: The plant reduces CO2 emissions by up to 90% compared to landfill disposal, recycles water efficiently through slurry recirculation, and recovers waste heat for site heating or pre-warming feedstock, contributing to overall sustainability.

Q: How is odor controlled during the digestion and biogas upgrading process?

A: An integrated odor management system mitigates odors from both digestion and upgrading stages, ensuring odor-free operation throughout the plant's lifecycle.

Q: What kind of maintenance and lifespan can be expected from the plant?

A: With regular maintenance, the plant is designed for a lifespan exceeding 20 years. Durable construction materials, anti-corrosive coatings, and automated monitoring contribute to long-term reliability and minimal downtime.

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