Work

One-pot synthesis of multifunctional iron- and manganese-loaded biochar from durian husks for photo-Fenton degradation of tartrazine

Year: 2025

Type: article

Abstract: The current research proposes a novel approach to fabricate multifunctional iron-and manganese-loaded biochar (FeMn/BC) through one-pot pyrolysis of FeCl₃-and KMnO₄-impregnated durian husks (DHs).Analytical results indicated the presence of 5.72 wt% Fe (Fe₃O₄ and Fe 0 ) and 2.90 wt% Mn (MnO) within the biochar (BC) matrix.Regarding porous properties, FeMn/BC possessed a specific surface area (S BET ) of 292 m²/g and a total pore volume (V total ) of 0.19 cm³/g.Accordingly, FeMn/BC was explored as a photo-Fenton catalyst for tartrazine (TZ) degradation.At pH 3.0, 200 ppm H₂O₂, and UV light, 0.50 g/L FeMn/BC treated 92.0%TZ (50 ppm) within 10 min of adsorption and 120 min of oxidation.In addition, FeMn/BC with a saturation magnetization (M S ) of 5.13 emu/g could be separated from treated mixtures by external magnetic fields.Overall, the multifunctional FeMn/BC prepared from DH waste demonstrated its magnetic separability and efficacy in treating TZ.

Source: Ecological Engineering & Environmental Technology

DOI: 10.12912/27197050/209740

Authors: Hung Minh Nguyen, Tin Trung Nguyen, Tien Minh Van, Tuyet-Mai Tran-Thuy, Long Quang Nguyen, Dung Van Nguyen

Institutions: Vietnam National University Ho Chi Minh City, Ho Chi Minh City University of Technology

Language: English

Topic: Advanced oxidation water treatment

Subfield: Water Science and Technology

Field: Environmental Science

Domain: Physical Sciences

SDGs: Responsible consumption and production, Clean water and sanitation

Open Access status: hybrid

Estimated APC paid: $161