Lee, Chang-Gu Hong, Seung-Hee Hong, Seong-Gu Choi, Jae-Woo Park, Seong-Jik 2024-01-19T20:33:20Z 2024-01-19T20:33:20Z 2021-09-02 2019-03 0049-6979 https://pubs.kist.re.kr/handle/201004/120286 Deriving biochar from biowaste facilitates its reuse and application for environmental protection. This study addresses the adsorption of phenol onto food waste-based biochar (FWC). Phenol adsorption on FWC was affected by pyrolysis temperature, and the highest adsorption capacity was found at a temperature of 700 degrees C (FWC700). The characteristics of the biochar including morphology, surface area, functional groups, and elemental composition were analyzed. Additional batch experiments were performed to evaluate the phenol adsorption on FWC700 under various experimental conditions such as contact time, initial concentration, reaction temperature, solution pH, adsorbent dose, and presence of competing ions. The adsorption capacity of phenol decreased gradually from 9.79 +/- 0.04 to 8.86 +/- 0.06mg/g between solution pH of 3 and 11. Copper sulfate showed the greatest interference on phenol adsorption to FWC in aqueous solution. Phenol removal at different contact times followed pseudo-second-order kinetics, and the Langmuir isotherm model provided the best fit of the equilibrium data with a maximum adsorption capacity of 14.61 +/- 1.38mg/g. Adsorption of phenol increased with increasing temperature from 15 to 35 degrees C, and thermodynamic analysis indicated an endothermic and spontaneous nature of the adsorption process. Biochar derived from food waste can be used as bio-adsorbent for the removal of phenol from aqueous solution. English Kluwer Academic Publishers Production of Biochar from Food Waste and its Application for Phenol Removal from Aqueous Solution Article 10.1007/s11270-019-4125-x 1 Water, Air, & Soil Pollution, v.230, no.3 Water, Air, & Soil Pollution 230 3 N scie scopus 000459834100002 2-s2.0-85062524405 Environmental Sciences Meteorology & Atmospheric Sciences Water Resources Environmental Sciences & Ecology Meteorology & Atmospheric Sciences Water Resources Article PYROLYSIS TEMPERATURE ACTIVATED CARBON AROMATIC CONTAMINANTS ADSORPTION BEHAVIOR ORGANIC POLLUTANTS BISPHENOL-A WATER MECHANISM SORPTION SLUDGE Food waste Biochar Pyrolysis temperature Phenol removal Adsorption