Application‑based market taxonomy further refines the Immersion Combustion Evaporation System market by linking system deployment to end‑use processes. Power‑generation plants, which require continuous high‑temperature steam, represent the largest application segment, contributing approximately 35 % of market volume due to the scale of thermal‑energy demand and the suitability of direct‑fired designs. Chemical‑processing facilities, encompassing petrochemical and specialty‑chemical production, follow with a 25 % share, leveraging indirect‑fired units to protect sensitive reactants from flame‑induced contamination. The pulp‑and‑paper industry accounts for about 20 % of the market, favoring hybrid systems that balance energy efficiency with the need to handle high‑solids loads. Food‑and‑beverage manufacturers, constrained by stringent hygiene standards, capture roughly 12 % of revenue, predominantly using indirect‑fired configurations. Water‑treatment operations, though smaller at 8 %, adopt immersion combustion for brine concentration and sludge reduction, where modest capacity and low‑grade fuel utilization are advantageous. These application segments collectively define the market’s demand structure.