Adsorption–desorption properties and control mechanism of aromatic organophosphate esters on biochar–mineral complexes

Ecotoxicology and Environmental Safety, Journal Year: 2025, Volume and Issue: 292, P. 117979 - 117979

Published: March 1, 2025

With the widespread application of biochar, biochar-mineral complexes are formed in large quantities environment. However, there few reports on their adsorption and desorption mechanisms for organophosphate esters (OPEs). In this study, (MBC@FH MBC@F) were prepared through co-ball-milling with biochar minerals (α-FeO(OH) Fe2O3). The properties pristine MBC@FH/F compared, adsorption-desorption OPEs all materials analyzed. results showed that have a larger specific surface area, more oxygen-containing functional groups, stronger aromaticity, pore structures, but less persistent free radicals than biochar. exhibited lower secondary kinetic rate constant (k2), higher intraparticle diffusion (k1p) capacity Hydrophobic interactions controlled TPhP TPPO complexes, π-π interactions, filling, hydrogen bonding also participated process. MBC@F had aromaticity MBC@FH, thus having MBC@FH. spatial volume inhibited its materials, demonstrating smaller amounts TPhP. was only observed TPhP, while no occurred TPPO. retention amount represented by subtracting from amount, which increased 1.22-6.98 times, reaching 4.48-41.07 mg/g. addition, hysteresis decreases increasing diameter MBC@FH/F. This study illustrated formation may be conducive to OPEs.

Language: Английский

Ionic effect enhanced the adsorption of phosphorus-containing organics (PCOs) from complex wastewater

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 161419 - 161419

Published: March 1, 2025

Language: Английский

Effect of temperature on synthesis of carbon quantum dots and biochar through one-step hydrothermal treatment of distillers’ grains

Industrial Crops and Products, Journal Year: 2025, Volume and Issue: 227, P. 120832 - 120832

Published: March 12, 2025

Language: Английский