Evaluation of physicochemical and phytotoxic properties of WCO-based composites with natural additives.

Currently, global consumption of vegetable oils for food purposes exceeds 200 million tons per year. Hazardous waste frying oil has become a fully valuable, environmentally friendly raw material with a wide range of industrial applications. Solid materials based on waste cooking oil (WCO) are becoming increasingly popular due to their easy production technology, availability of raw material, and low cost.