DMT Environmental Technology is a fast growing company that specializes in helping companies to contribute to the environment in a sustainable and profitable way. The techniques we implement solve environmental issues. With over more than 28 years of experience, DMT is reliable partner and market leader in the field of biogas upgrading, for which we apply advanced membrane technology. With offices in Europe, the United States, and Canada, we are always at your service to advise you on environmental challenges. We offer a variety of cost effective solutions that are achieved with a team of highly motivated employees in collaboration with knowledge institutes and partners worldwide.

About Us


DMT, An Established Name
DMT was founded in 1987 by Rob Dirkse. The company was originally based in the cellar of Rob’s house in Heerenveen, and, via the former library in Heerenveen, subsequently established itself in 2003 in its current premises in the industrial area of Joure.

Trained as a chemist, Rob Dirkse worked in various technical fields. He was frequently confronted with matters such as odour abatement and other environmental problems. Due to new legislation at the end of the 80’s, a large environmental clean-up began. The enormous demand for ground water purification enabled DMT to excel. Our solutions soon gained a reputation in markets such as China, South-America and Europe. In 2001 founder Rob Dirkse retired and he was succeeded by his son Erwin, who had been managing director since 1999. Our company became more internationally oriented, and in 2003 the first trade missions took place in Hungary, Japan, and Spain.

The fact that environmental legislation became a key issue within the EU helped us secure an international market. DMT strengthened its international network with a team of committed and professional agents and distributors. Today DMT employs around 55 employees, has 20 international sales managers, maintains extensive relationships with knowledge institutes, and provides 24/7 services worldwide.

Our Employees are Our Greatest Capital


DMT works with the successful ‘The Big Five for Life’ principle. This principle combines the five most important goals of each of our employees with the five most important goals of our company. Big Five for Life is a method used to make companies and people more successful. Sijbe Bonsma, independent HR manager at DMT: “The ultimate challenge is to synergize the individual employees’ motivation with the company’s objectives. This results in an organisation in which everyone is enthusiastic, passionate and focused on collective goals.”

It makes DMT distinctive in every respect within its business sector. The performance further improves and the company is ready for future growth. John P. Strelecky developed the Big Five for Life concept and describes the business principles in his book “The Big Five For Life – What great leaders do.” Strelecky's vision has inspired us in our daily operations, just as it has done with business leaders worldwide.

By Sharing Knowledge We Enhance Knowledge

DMT increasingly seeks to develop sustainable innovations. We are continuously looking for new and more innovative technologies, and in doing so we strive to achieve a unique position and cooperation with other knowledge partners.

DMT has designed a specific membrane system for extracing CO2 from biogas. In order to share and further develop state-of-the-art technology, we and our specialised partners have realised the Accres pilot project in Lelystad.


Our extensive experience, built up over many years on the field of biogas upgrading and water treatment, enables us to help you to maximise your Return on Investment (ROI). As a quality-driven organisation, we continuously work on creating further advantages for our customers. Smart engineering and the use of selected materials are allowing for the best Total Cost of Ownership. TCO means we look at all the costs, including depreciation, to give you an advantage in your investments. The focus of DMT is to develop techniques to recover products which can be sold. This philosophy is a true circular economy in which we develop sustainable solutions in a prosperous way.

Our Challenge


To create a clear and prosperous future
We contribute to a sustainable future without making concessions to prosperity. We develop smart technology that benefits our planet and its people. Our innovative designs, plants and service distinguish themselves in terms of quality and return on investments. Cooperating with our clients and the exchange of knowledge with our partners are key elements. Both are achieved thanks to our greatest capital: our team of enthusiastic people who continuously strive to improve themselves.

Our Certificates




Solutions for the chemical industry

Many organizations in the industrial sector are investigating possibilities to improve their (sustainable) energy profile. The renewable energy sector currently offers a broad scale of options with significant capacity for growth and new projects and expanding upon existing infrastructures. In the industrial sector, biogas can replace the current natural gas consumption. DMT has extensive experience within various industries and knows her way around. For more than 28 years we have been advising our customers...

Solutions for the oil & gas industry

The Oil and Gas industry represents an important market segment where DMT enhances value. Especially the use of Flash gas is increasing. These type of gases needs to be cleaned in order to protect the environment as well as the utilities where it is used. Easy to use desulphurisation techniques are more and more demanded, next to re-use of water and water treatment techniques. DMT designed a range of desulphurisation techniques especially for these purposes and has dedicated water treatment solutions. The...




Aquatech Amsterdam 2013, ECWATECH 2010 - The International Trade Fair and Congress, Pollutec Horizons 2011, UK AD & Biogas 2013


Company details

Business Type:

Industry Type:
Water and Wastewater - Water Treatment

Market Focus:
Globally (various continents)

Year Founded:


Office & Distributor locations:


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