What Is RJM International and What Does the Company Do?

Updated

RJM International is a specialist combustion engineering firm that helps power, biomass, and Energy from Waste (EfW) operators upgrade generation assets to run more efficiently and with lower emissions. It is relevant to you if you run a utility or industrial combustion plant and are dealing with emissions compliance, fuel switching, or reliability problems — not if you are looking for a consumer product or a software-only service.

What RJM International actually does

The company describes itself as providing "engineering-based solutions to upgrade every generation asset," with engineers developing technological solutions that let energy producers "reduce their carbon emissions and generate their power more cleanly, reliably and efficiently." In practice, that means combustion-side engineering work on existing plants rather than building new generation from scratch.

Its stated customer base is utilities and industrial operators, and it presents its work as worldwide.

Service areas by plant type

The site organises its offer around the fuel or plant type an operator is running:

Plant type What RJM lists
Gas Coal-to-gas conversions; ultra-low emission burners; multi-fuel options including hydrogen; tailored to utility or industrial applications
Energy from Waste Improved efficiency; better reliability; more MWe output; lower emissions
Biomass Less slagging and fouling; improved utilisation and reliability; longer campaigns; shorter outages
Coal Improved performance; ultra-low emission burners; coal-to-gas conversions; coal-to-biomass conversions; co-firing with biomass
Boilers (IMPULSE®) Cleaning that improves boiler efficiency, significantly reduces fouling, avoids erosion, and gives better coverage

Two things stand out in that list. First, much of the value proposition is operational rather than purely environmental: longer campaigns between outages, fewer slagging problems, and more megawatts from the same asset are commercial arguments as much as compliance ones. Second, the fuel-conversion options (coal to gas, coal to biomass, co-firing, hydrogen-capable multi-fuel) are aimed at operators who need to keep existing assets running under changing fuel or emissions rules.

The IMPULSE® product

IMPULSE® is the named product on the site, positioned as a boiler-cleaning technology. The claims attached to it are efficiency gain, significantly reduced fouling, no erosion, better coverage, and proven status. If boiler fouling is your constraint — for example, you are shortening campaigns or accepting efficiency loss between cleans — this is the part of the portfolio to examine first. The site does not publish technical specifications or pricing for it, so those would need to come from a direct conversation with the engineering team.

How RJM frames emissions work

RJM's public positioning on NOx is a whole-plant one rather than a bolt-on-equipment one. In summarising its findings from the Operational Optimisation Conference 2026, the company lists four points: NOx management starts before NOx is formed; think beyond individual components; reduce emissions without compromising plant performance; and reduce NOx. A related conference presentation, "A Practical Approach to NOx Management and Reduction," is described as exploring a practical, whole-plant approach.

That framing matters when you are comparing suppliers. A vendor selling only a burner will scope the burner; RJM's stated approach implies looking at combustion conditions and the plant as a system before specifying hardware such as ultra-low NOx burners. For an operator whose emissions limit is tightening, the useful question to put to them is which of your specific constraints — fuel, load profile, boiler condition — they would address first, and what performance they would commit to.

Evidence of track record

The site's news section records a King's Award for Enterprise: International Trade 2026, presented at its Winchester head office, and a Winchester Sustainable Business of the Year award in June 2026. It also lists event participation, including PREWIN in Istanbul in June 2026. These are useful signals of an active, exporting engineering business, though they are awards and events rather than published case data — for due diligence, ask for references from plants comparable to yours in fuel and size.

When RJM is a fit — and when it isn't

RJM is worth contacting if you operate a coal, gas, biomass, or EfW combustion plant and one or more of the following is true:

  • You face a tightening emissions limit and need a compliance route that does not sacrifice output.
  • You are considering or committed to a fuel change (coal to gas, coal to biomass, co-firing, hydrogen blending).
  • Boiler fouling, slagging, or short campaigns are costing you availability or efficiency.
  • You want an engineering assessment of the whole combustion system rather than a single component swap.

It is probably not the right starting point if you need a fully packaged new-build power plant, a software monitoring platform, or consumer-scale equipment. The site gives no pricing, so treat cost as something to establish directly; the "Talk to our engineering team today" contact route is the entry point the company itself offers.

A practical next step: prepare a short brief covering your plant type, fuel, current emissions limits, and the specific operational problem (fouling, turndown, campaign length), then ask RJM which of its listed solutions maps to it and what guarantees it would offer. The site's language around "guaranteed efficiency and emissions compliance" is a claim to test against your own acceptance criteria in that first conversation.