DMT Clear Gas Solutions
Your Total Solutions Provider for Biogas Upgrading and Gas Desulfurization
Biogas Upgrade with DMT
DMT Clear Gas Solutions is a socially and environmentally responsible technology supplier specializing in biogas upgrading and gas desulfurization. From financing options to 24/7 service support, DMT is your local total solutions partner for renewable natural gas (RNG) projects in North America.
- +130 worldwide references
- +30 years of experience
- 24/7 service support
Renewable natural gas (RNG) technology experts
We are renewable natural gas (RNG) experts in all sectors– agriculture, livestock (e.g., dairy, swine, poultry), wastewater treatment plants (WWTP), source separated organics (SSO) and landfills. We specialize in biogas upgrading (CO₂ removal) through membrane separation and biogas pre-treatment using chemical and biological gas desulfurization techniques (H₂S removal). Our integrated solutions can be tailored to your biogas composition, inlet fluctuation and RNG off-take requirements.
References
“DMT’s service department is wonderful. They quickly respond to any inquiries we may send them.”

Richard DeGarmo
Director of Renewable Energy, Hawai’i Gas“Jasper is now the country’s largest dairy RNG project. We look forward to working on more innovative projects with DMT.”

Grant Zimmerman
CEO, AMP Americas“We attribute our success to partnering with key vendors like DMT that have real and proven experience in the gas upgrading and processing world.”

Gov Graney
Managing Member, Nacelle Solutions















DMT News
Get up to date with the latest industry news!
- October 22 2021
DMT Completes Arizona Project and Tres Rios RNG Center Opens
- August 10 2021
7 Ways to Maximize Uptime for RNG Systems

Total Solutions Provider
As a Total Solutions Provider, DMT handles all interconnecting interfaces of a RNG project. Our customers seeking to convert biogas into RNG deal with one company and one contract. In return, there is no hassle of dealing with multiple parties, suppliers, and contracts. DMT will handle that for you. Looking for a financier or off-taker? We have partnerships to solve that problem for you.

Biogas Industry Events
Our sales and marketing team attends biogas industry events and conferences all over North America. Got a question? Come meet the team.
- April 25-26, 2023
Value of Biogas, East
- May 15-18, 2023
Biogas Americas
- Sept 12-14, 2023
RNG Works

About DMT
DMT was originally founded in 1987 by chemist, Rob Dirkse, to specialize in sustainable solutions such as groundwater purification, desulfurization and odor abatement. He was succeeded by his son, Erwin, in 2001, who refocused the company on biogas upgrading and desulfurization. In 2015, DMT opened its North America office in Portland, OR as DMT Clear Gas Solutions. Our mission is to create a sustainable world.