Landfill Technology Uses Heat by Combusting LFG to Eliminate Leachate Onsite

June 12, 2019

Landfill gas (LFG) fired leachate evaporation is a novel technology attracting the attention of landfill owners because it can offer an operational win-win. The technology uses a readily available resource at landfills, LFG, to remove liquid from landfill leachate via evaporation, thus abating this environmental liability onsite, often at a lower cost than conventional leachate treatment options. In addition, combusting LFG to evaporate leachate converts methane, a highly potent greenhouse gas, to carbon dioxide, which reduces overall greenhouse gas emissions.

Landfill owners seeking to implement LFG-fired leachate evaporation must undergo the necessary air permitting and follow applicable emissions regulations. In this regard, air permitting and regulatory requirements for the combustion-related component of LFG-fired evaporation are similar to those applicable to conventional LFG flares. However, in addition, there are permitting considerations for evaporation-related emissions too. As this is uncharted territory for regulators, it is important to work closely with your agency to ensure you or your consultant is properly addressing these technology-specific requirements.

Read Landfill Leachate, Just ‘Evaporate’ the Problem …or Permitting Issues for Using Landfill Gas to Reduce Leachate Volume by David Greene, PE, SCS Engineers. Published by em, the Magazine for Environmental Managers, A&WMA, issue June 2019.

David Greene, PE, SCS Engineers

About the Author: David Greene is a project manager at SCS Engineers with a multiplicity of solid waste related environmental engineering experience, including air permitting, landfill gas, financial analysis, due diligence efforts, regulatory development and analysis, compliance planning, greenhouse gas monitoring, emission inventory including emission factor development, SPCC and SWPPP development. Mr. Greene also consults internationally in Southeast Asia focusing on the areas of planning and implementing training and evaluating the feasibility of LFG energy and renewable energy projects at solid waste disposal sites. He is a Professional Engineer in North and South Carolina.

 

 

 

 

Posted by Diane Samuels at 6:01 am
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