1. Removal of free fatty acid in Palm Fatty Acid Distillate using sulfonated carbon catalyst derived from biomass wastefor biodiesel production. Issue 1 (January 2016) Authors: Hidayat, Arif; Rochmadi, ; Wijaya, Karna; Budiman, Arief Journal: IOP conference series Issue: Volume 105:Issue 1(2016) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗