ABSTRACT The planning of a Dimethyl Ether (DME) plant in Pauh Ranap Village, Peranap District, Indragiri Hulu Regency, Riau Province, focuses on utilizing coal as the primary raw material. Coal from PT. Samantaka Batu Bara-Peranap is chosen due to its sufficient production capacity of 300,138 tons per year to support the planned plant capacity of 210,000 tons of DME per year. The plant's locat…