Case Studies · Hydrocarbon & Chemical

Sulfur Furnace High Emissivity Coating: 5% Fuel Savings in LaPorte, Texas

Sulfur furnace (dense castable)·LaPorte, Texas, USA

A natural-gas sulfur furnace in LaPorte, Texas, with a four-year-old hard refractory lining, was sprayed with Emisshield on its dense castable walls. Fuel demand dropped 5%, thermal response across the reaction zones improved, carbon emissions and exterior shell temperature fell, and refractory life extended with lower maintenance.

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5% fuel savings
: Lower shell temperature
: Reduced maintenance

The Challenge

The operator wanted overall thermal improvement and reduced maintenance on a furnace running at roughly 980°C on natural gas with an aging castable lining.

What Was Applied

Emisshield sprayed onto the dense castable refractory walls.

Why It Worked

The coated castable re-radiates burner energy into the reaction zones rather than reflecting it, stabilizing heat distribution and lowering the energy lost through the shell. See Energy Savings.

Summary of Results

Metric	Before	After
Fuel consumption	Baseline	−5%
Thermal response	Baseline	Markedly improved
Exterior shell temperature	Baseline	Significantly reduced
Carbon emissions	Baseline	Declined
Refractory life and maintenance	Baseline	Extended; reduced

Next step

Operating the Same Asset?

Operating a sulfur or reaction furnace on aging refractory? Send us the operating data. We project the result from comparable documented installations.

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