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Press Release

November 30, 2012

Contact: Michael Readey
Phone: 720-587-9364

AeriNOx Awarded Contract for Emission Control Systems for 25MW Power Plant

CONTACT: Michael Readey, 720-746-9381


Boulder, Colo., November 29, 2012…. H+H Environmental Technologies (Hargesheim, Germany) recently signed a supply agreement to provide emission control systems to reduce NOx and other emissions from four 6.7MW natural gas engines. The engines are central to a 25MW peak shaving power plant under construction in southern Minnesota.

As part of the project, H+H will join with its North American affiliate, AeriNOx (Boulder, Colorado), to install the emission control systems and provide customer service and support, ensuring ultra-low emissions over long-term operation of the facility. According to Michael Heck, Managing Director of H+H, “Increasingly stringent regulations worldwide are driving a growing demand for emissions control systems in new power generation facilities. With our partner AeriNOx, we can now offer our North American customers the maintenance and engineering support that guarantees compliance even with the most challenging regulatory requirements.”

“We are proud to be working with H+H, the engine manufacturer and the Minnesota power plant on such an important project”, said Michael Readey, President of AeriNOx. “Our customers have high expectations for its suppliers, and we are very excited to be part of the team.”

The emissions control systems combine a high efficiency Oxidation Catalyst with a Selective Catalytic Reduction (SCR) System to reduce nitrogen oxide (NOx) emissions by 92%, carbon monoxide (CO) by 92%, and volatile organic compounds (VOC) by 70%. The units will be installed in mid-2013.

About AeriNOx
AeriNOx is an environmental engineering company supplying reliable and cost-competitive emissions solutions to the North American stationary engine markets. Our focus is the reduction of NOx and other emissions from large diesel and natural gas engines through a comprehensive systems approach based on SCR technology. AeriNOx is a partnership between DCL International and H+H Environmental Technologies (Umwelt & Industrietechnik). Combining the best of both international companies, AeriNOx leverages over five decades of expertise in the industry, with thousands of successful installations in a wide variety of markets. AeriNOx is based in Boulder, Colorado. For more information on AeriNOx, please visit

About H+H
H+H Environmental Technologies (Umwelt & Industrietechnik) GmbH provides custom-engineered SCR (Selective Catalytic Reduction) emission control systems for NOx reduction. It is one of the largest suppliers of SCR in the marine, power generation and greenhouse markets, and is known throughout the world for their system’s reliable operation. H+H is headquartered in Hargesheim, Germany. For more information on H+H, please visit

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