The dye and textile industry commonly employs activated carbon adsorption technology due to its costeffectiveness and high efficiency.However,disposing of waste-activated carbon has a significant environ-mental and hu...The dye and textile industry commonly employs activated carbon adsorption technology due to its costeffectiveness and high efficiency.However,disposing of waste-activated carbon has a significant environ-mental and human health impact,and it’s a huge economic waste.This study investigates the kinetic and isothermal adsorption characteristics of Acid Red G dye adsorption by Powdered Activated Carbon derived from coconut shells.To effectively reuse activated carbon and maximise resource conservation,regeneration experi-ments were carried out using Supercritical Water at 24 MPa and 400℃ for 30 min.The experimental results demonstrated that,in comparison with thermal regeneration,supercritical water possesses the benefits of environmental protection,economic efficiency and extensive applicability.This is of considerable importance to the field of research concerning the regeneration of activated carbon.展开更多
基金the financial support provided by the National Key R&D Program of China(2020YFA0714400)Shaanxi Science&Technology Co-ordination&Innovation Project(2024GX-YBXM-518).
文摘The dye and textile industry commonly employs activated carbon adsorption technology due to its costeffectiveness and high efficiency.However,disposing of waste-activated carbon has a significant environ-mental and human health impact,and it’s a huge economic waste.This study investigates the kinetic and isothermal adsorption characteristics of Acid Red G dye adsorption by Powdered Activated Carbon derived from coconut shells.To effectively reuse activated carbon and maximise resource conservation,regeneration experi-ments were carried out using Supercritical Water at 24 MPa and 400℃ for 30 min.The experimental results demonstrated that,in comparison with thermal regeneration,supercritical water possesses the benefits of environmental protection,economic efficiency and extensive applicability.This is of considerable importance to the field of research concerning the regeneration of activated carbon.
