The mechanism study and low-carbon analysis of biomass pyrolysis enhanced antimony oxide reduction

Tan, Renjie; Yang, Jia; Liu, Dachun; Ma, Baozhong; Cui, Zhaofeng; Xia, Lixin; Shi, Hongyong; Yang, Hongwei; Yang, Bin; Kong, Xiangfeng

doi:10.1016/j.seppur.2024.129515

Separation and Purification Technology

2025

DOI: 10.1016/j.seppur.2024.129515

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The mechanism study and low-carbon analysis of biomass pyrolysis enhanced antimony oxide reduction

Renjie Tan,

Jia Yang,

Dachun Liu

et al.

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Enhanced adsorption of Cr(VI) from wastewater by utilizing sludge and reed to prepare ceramsite modified with Fe₃O₄

Gao,

Jian,

et al. 2024

J Am Ceram Soc.

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A large amount of wastewater containing Cr(VI) is highly toxic and harmful to the environment, which requires effective treatment. In this study, an adsorbed ceramsite was prepared from dredged sludge (DS) and reed powder (RP). Then the prepared ceramsite was introduced Fe3O4 magnetic functional groups by a simple hydrothermal method to enhance the adsorption of Cr(VI) from wastewater. Batch adsorption experiments of Fe3O4‐modified ceramsite (FCS) to remove Cr(VI) were studied systematically. Effects of different contact time, adsorbent mass and initial Cr(VI) concentration on Cr(VI) removal efficiency were investigated and optimized by a response surface methodology. The results show that when the loading content of Fe3O4 is 30% (FCS‐0.3), the highest removal efficiency of Cr(VI) reached 88.48%, and the Cr(VI) adsorbed process can be well described by pseudo‐second‐order kinetics and Langmuir model, indicating that adsorption process is a chemisorption and monolayer adsorption. Moreover, the FTIR, XPS and Zeta potential analysis further revealed the mechanism of efficient removal of Cr(VI) by Fe3O4 loaded onto the ceramsite to increase the specific surface area and functional groups to adsorb Cr(VI). This study provides an effective method to convert solid waste such as DS and RP into a highly efficient magnetic adsorbent to adsorb and remove Cr(VI) from wastewater.

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Enhanced adsorption of Cr(VI) from wastewater by utilizing sludge and reed to prepare ceramsite modified with Fe₃O₄

Gao,

Jian,

et al. 2024

J Am Ceram Soc.

View full text Add to dashboard Cite

show abstract

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The mechanism study and low-carbon analysis of biomass pyrolysis enhanced antimony oxide reduction

Cited by 1 publication

References 35 publications

Enhanced adsorption of Cr(VI) from wastewater by utilizing sludge and reed to prepare ceramsite modified with Fe₃O₄

Enhanced adsorption of Cr(VI) from wastewater by utilizing sludge and reed to prepare ceramsite modified with Fe₃O₄

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The mechanism study and low-carbon analysis of biomass pyrolysis enhanced antimony oxide reduction

Cited by 1 publication

References 35 publications

Enhanced adsorption of Cr(VI) from wastewater by utilizing sludge and reed to prepare ceramsite modified with Fe3O4

Enhanced adsorption of Cr(VI) from wastewater by utilizing sludge and reed to prepare ceramsite modified with Fe3O4

Contact Info

Product

Resources

About

Enhanced adsorption of Cr(VI) from wastewater by utilizing sludge and reed to prepare ceramsite modified with Fe₃O₄

Enhanced adsorption of Cr(VI) from wastewater by utilizing sludge and reed to prepare ceramsite modified with Fe₃O₄