Boulden Energy is an industry leader in emission control and abatement systems. We offer a comprehensive product line to address your specific emissions reduction needs.

Steuler Anlagenbau GmbH & Co. KG.
Oxidation Catalyts (for CO, NMEHC Reduction)
Selective Catalytic Reduction (SCR) Systems (for NOx Reduction)
* SCR Systems for use on Combined Heat and Power (CHP or Cogen) Applications
* Mission Critical / Emergency Standby SCR Systems
* Commercial Greenhouse SCR Systems (Natural Gas Engine Exhaust Purification for CO2 production)

** U.S.A. EPA Tier 4 (interim) COMPLIANT & VERIFIED SCR Systems
** Steuler SCR Systems are capable of upto 98% NOx Reduction (GUARANTEED)
** Open Loop (PEMS) and Closed Loop (CEMS) control options

Rypos, Inc.
Active Diesel Particulate Filter (aDPF) Systems
* CARB III Certified.
* Electrically-regenerated DPF modules.