ICE Technology: Internal Combustion Engines & Environmental Remediation

What Makes RSI's ICE Technology Different

RSI’s patented ICE technology and industrial degassing equipment incorporate a processor-controlled emissions tracking carburation system on a specifically designed internal combustion engine (ICE), where the engine becomes both the vacuum pump and air pollution control device. Our technology allows us to render services with NO FLARE, NO CARBON, and NO DISPOSAL.
RSI ICE Process Animation
RSI’s innovative ProGreen® technology and related equipment is the most economical and ethically responsible answer to vacuum truck degassing. Not only does our technology reduce the risk of violations & fines, but eliminates both the hassle and cost of removing carbon waste.
RSI S.A.V.E System Process Diagram
RSI S.A.V.E ICE & Carburetor
RSI Unit Control Panel


Process Flow Rates vs. Mass Removal Rates
Most oxidation processes require in-fluent dilution air to meet acceptable LEL process safety limits – sometimes reducing in-fluent concentration down to 20% of LEL values. High process flow rates, therefore, do not necessarily equate to high mass removal rates, especially when VOC abatement is required.
Stop paying for processing ambient air! Our Internal Combustion Engine (ICE) technology utilizes dilution air only as necessary to maintain stoichiometric combustion. Further, ProGreen® ICE systems can operate with VOC influent concentrations at or above LEL with minimal to no supplemental fuel usage.
In the final analysis, when you compare the capital, installation, utility and O&M costs of thermal and catalytic oxidizers to ICE systems on a “cost per pound destroyed” basis, ICE technology is usually the clear, cost-effective choice.
According to a study conducted by the United States Air Force (AFCEE):

“Based upon the cost estimate provided in Section 3.4, ICE technology is similar to that of thermal and catalytic oxidation when in-fluent concentrations range between 3,000 to 5,000 ppmv TVH. Above these concentrations, ICE technology becomes more cost-effective.”*

*Excerpt from: “Final Comprehensive Technical Report for the Evaluation of Soil Vapor Extraction and Treatment Using Internal Combustion Technology”, Air Force Center For Environmental Excellence (AFCEE) Technology Transfer Division, July 1998
Look at the real bottom line! Don’t let others sell you hot air! Make your investment dollars count by purchasing mass removal efficiency. ProGreen® systems are self-contained and very portable. Truck or Trailer mounted and separate modular units can arrive at your facility and can be operating within minutes in most cases!
RSI ICE "Cube" Unit
The Carbon Filter Myth
RSI been designing, engineering, and manufacturing vapor control ICE Technology since 1987, and specifically for the tank degassing industry for the past 15 years.

Specialty & Custom Engineering Solutions

From consultation to systems design, RSI industry specialists team up with our clients to develop and integrate solutions to overcome industry projects and challenges. If our equipment doesn’t fit your project’s requirements, we will design, engineer, and manufacture a custom system for you. Our specialists work WITH you to achieve your desired results.

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