Gasifiers Directory


Kiewit is one of North America’s largest and most respected engineering and construction organizations. We are prepared to support your biomass project needs throughout all phases of the project lifecycle, from conceptual design, process engineering and constructability integration to project production using design-build execution. Delivering safe and high-quality projects is the foundation of Kiewit’s business and success. Kiewit had 2021 revenues of $12.1 billion and employs 28,800 staff and craft across North America, including engineers and construction professionals.

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Aries Clean Technologies

Aries Clean Technologies, based in Franklin, Tennessee, develops, designs, and builds innovative proprietary fluidized bed and downdraft gasification systems and projects using its eight patents granted to date. Its projects provide for the sustainable conversion of biosolids and biomass, reduction of carbon emissions, and the production of clean thermal and electrical energy and beneficial Aries GREEN® Biochar or Bio-Fly-Ash™. For more information, please visit our website:

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GazoTech SAS

GazoTech is a biomass/waste-to-energy project developer and a distributor of turn-key gasification systems for the conversion of various biomass and waste feedstocks into renewable heat, electricity, green hydrogen, biomethane/synthetic natural gas and bioethanol. Through partnerships and licenses, GazoTech deploys gasification solutions with a track record of over 900 installations in 35+ countries.

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International Waste Industries Corp.

IWI is a Full Turnkey Systems provider, full-service designer, manufacturer and systems integrator of Waste Treatment and Waste-to-Energy (WtE) systems since 1979. Our specialty is our modular Dual Reactor Thermal Waste Treatment Systems, consisting of our dual chamber gasification systems, waste incinerators, and waste-to-energy (WTE) systems. We're also a complete systems integrator from waste sorting to Air Pollution Control (APC) systems.

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RR Renewable Energy

Gasification of Waste, batch 18 hour process, 5 to 500 tpd, modular.Synthetic gas made into electricity or thermal heat, hot water, steamSeeking investment $3-5 million.

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ThermoChem Recovery Int'l, Inc. (TRI)

State of the art steam reforming gasification systems for renewable energy and fuels production.

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West Biofuels

West Biofuels develops, engineers and constructs advanced biomass conversion systems. Our proven technologies convert organic byproducts into other forms such as fuels, chemicals, and power. We maintain testing facilities in California to help design projects tailored to a particular feedstock and desired end-product. We also offer complete engineering and construction management services. Let us know how we can help with your project.

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