Recycling Used Cooking Oil into High-Quality Liquid Soap: An Optimized Sequential Green Pretreatment Protocol
Mohammed Hasan Alwan
This research provides an innovative laboratory procedure for producing quality liquid soap from waste cooking oil (WCO). The two-step sequential green pretreatment improved quality: acid value was reduced from 1.50 ± 0.05 to 1.10 ± 0.03 mg KOH/g ...