Rian Adrianto and Sinardi Sinardi 2026. Analysis of the Electrostatic Precipitator (ESP) for Reducing Exhaust Gas Emissions from Nickel Smelter Processing in the Rotary Kiln Electric Furnace (RKEF) System. International Journal of Health Engineering and Technology. 5, 1 (May 2026). DOI:https://doi.org/10.55227/ijhet.v5i1.722.