LFG Flare & Extraction System at Ghazipur Dumpsite, Delhi

UPL Environmental Engineers Ltd

New Delhi, India

Enclosed flare tower and extraction system handling 600 Nm3/h of landfill gas at DRE above 99%, compliant with CPCB stack limits.

600 Nm³/h

LFG Capacity

DRE ≥ 99%

Destruction Efficiency

10 m, 1.8 m Dia

Flare Tower

Enclosed ground flare and landfill gas extraction system commissioned by CRA at Ghazipur, New Delhi.

The Overview

UPL Environmental Engineers Ltd

Client

GAIL, Government of India

End Client

Design, Manufacture, Install & Commission

CRA Role

Enclosed Ground Flare & Extraction System

Application

600 Nm³/h, 30–50% CH₄

Capacity & Gas Type

DRE ≥ 99%, CPCB Compliant

Design Basis

CRA executed the full scope of design, manufacture, installation and commissioning of an enclosed landfill gas flare system at the Ghazipur dumping ground in New Delhi, a GAIL funded landfill closure project. The system handles up to 600 Nm3/h of LFG at 99% or greater DRE, in full compliance with CPCB stack emission limits for CO, NOx and TOC.

The Challenge

Managing high volume landfill gas at a GAIL funded closure site in Delhi

GAIL funded the closure of the Ghazipur dumping ground in New Delhi and required a landfill gas flare and extraction system capable of handling variable gas composition at scale, while meeting CPCB stack emission limits for CO, NOₓ and TOC.

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Handling up to 600 Nm³/h of landfill gas with 30 to 50% CH₄ content
Meeting CPCB stack emission limits for CO, NOₓ and TOC
Reliable extraction of gas from the dumpsite ahead of combustion
Delivering the full scope from design through commissioning on a government funded project

Our Solution

An integrated flare tower, gas train and extraction system

CRA executed the complete scope of design, manufacture, installation and commissioning for the Ghazipur landfill gas flare and extraction system.

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Core system delivered

10 m enclosed flare tower, 1.8 m diameter, carbon steel with ceramic fibre insulation
Skid mounted gas train with anti flashback burners
PLC based control panel with VFD and data logger
Twin lobe extraction blower for landfill gas recovery

Results

DRE at or above 99%, certified compliant with CPCB limits

System handles up to 600 Nm³/h of landfill gas at DRE ≥ 99%
Full compliance with CPCB stack emission limits for CO, NOₓ and TOC
Successfully commissioned and certified by UPL Environmental Engineers Ltd
Anti flashback burners and PLC based controls supporting safe unattended operation

Conclusion

Delivering high capacity landfill gas management for a government funded closure

The Ghazipur project shows CRA’s capability to deliver a complete enclosed ground flare and extraction system for a large scale, government funded landfill closure. The combination of a purpose built flare tower, automated controls and a dedicated extraction blower gave GAIL and UPL Environmental Engineers Ltd a system built for CPCB compliance at high gas volumes.

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