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Alternative Waste Disposal Technologies

Angled view of a waste incineration facility with a blue sky in the background
Tetra Tech helps communities review, assess, conceptualize, and implement alternative disposal technologies to improve the sustainability of their waste processing, reuse, and disposal operations.
Tetra Tech is Leading with Science® to help clients convert thousands of tons of waste into megawatts of electricity, millions of cubic feet of natural gas, thousands of pounds of soil amendments, and billions of British thermal units (BTU) of heat energy. We help solid waste system owners and operators—such as the County of Los Angeles, City of San Diego, and City of Edmonton—to reduce environmental impacts by guiding them through the complex process of selecting and developing technologies to divert waste from landfill disposal.
Anaerobic digestion facility for conversion of organic waste with fencing around it and a blue sky in the background

Available Technology Identification

Tetra Tech works with clients throughout North America, Europe, and Asia to assess the applicability of new waste conversion technologies implemented throughout the world. We understand the requirements, economics, opportunities, and limitations of the leading technologies currently in use.

  • Organic waste composting
  • Anaerobic digestion
  • Gasification
  • Pyrolysis
  • Biogas to vehicle fuel (compressed natural gas)
  • Mass burn
  • Refuse derived fuel (RDF)
  • Hydrolysis and fermentation (waste-to-ethanol)
  • Autoclave and mechanical processing
Anaerobic digestion facility for conversion of organic waste to beneficial products with surrounding trees and fields

Feasibility Analysis

Tetra Tech conducts feasibility assessments to match alternative disposal technologies to a client’s specific goals and constraints. We have completed more than 100 waste conversion projects in the United States and Canada and analyze established and emerging technologies to help clients select the best solution to meet their needs and circumstances.

  • Cost and benefit analysis
  • End product market analysis
  • Siting studies
  • Regulatory, legal, and policy constraints evaluation
  • Technical feasibility assessments
  • Environmental impacts and benefit assessments
  • Social impact assessments
We have completed more than 100 waste conversion projects in the United States and Canada and analyze established and emerging technologies ​
Organic waste composting facility with mountains and a blue sky in the background

Implementation

Tetra Tech provides permitting, design, and construction management support throughout the implementation phase of alternative disposal technology development projects. We tailor our project services to fit the goals and needs of the project and position the project to take advantage of financial incentives from domestic and international subsidies and tax credits currently available in the rapidly growing renewable energy economy.

  • Owner’s engineer
  • Engineering, procurement, and construction (EPC)
  • Design, build, own, operate, and maintain

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