Degradation of Rhodamine B in water by heat/persulfate process

Chia Chang Lin; Hsu Heng Hsiao

doi:10.1016/j.jtice.2021.104190

Degradation of Rhodamine B in water by heat/persulfate process

Chia Chang Lin^*
, Hsu Heng Hsiao

^*Corresponding author for this work

Department of Chemical and Materials Engineering

Chang Gung Memorial Hospital
Chang Gung University

Research output: Contribution to journal › Journal Article › peer-review

43 Scopus citations

Abstract

Background: This investigation concerns the effectiveness of the heat/persulfate process in the degradation of Rhodamine B (RhB) in water. Methods: The dependences of the efficiency and rate of degradation of RhB by the heat/persulfate process on the temperature, initial concentration of RhB, and Na₂S₂O₈ concentration were examined. Significant findings: The degradation of RhB by the heat/persulfate process followed pseudo-first-order kinetics. The efficiency and rate of degradation of RhB at 70 °C dramatically exceeded those at 30 °C. At 70 °C, increasing the initial concentration of RhB reduced the efficiency and rate of degradation of RhB. At 70 °C, the efficiency and rate of degradation of RhB increased with Na₂S₂O₈ concentration. The heat/persulfate process at 70 °C with an initial concentration of RhB of 5 mg/L and an Na₂S₂O₈ concentration of 32 mM completely degraded RhB in 7 min, revealing that the heat/persulfate process is highly effective in the degradation of RhB in water.

Original language	English
Article number	104190
Journal	Journal of the Taiwan Institute of Chemical Engineers
Volume	132
DOIs	https://doi.org/10.1016/j.jtice.2021.104190
State	Published - 03 2022

Bibliographical note

Publisher Copyright:
© 2021 Taiwan Institute of Chemical Engineers

Keywords

Degradation
Dye
Heat
Persulfate
Rhodamine B

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10.1016/j.jtice.2021.104190

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title = "Degradation of Rhodamine B in water by heat/persulfate process",

abstract = "Background: This investigation concerns the effectiveness of the heat/persulfate process in the degradation of Rhodamine B (RhB) in water. Methods: The dependences of the efficiency and rate of degradation of RhB by the heat/persulfate process on the temperature, initial concentration of RhB, and Na2S2O8 concentration were examined. Significant findings: The degradation of RhB by the heat/persulfate process followed pseudo-first-order kinetics. The efficiency and rate of degradation of RhB at 70 °C dramatically exceeded those at 30 °C. At 70 °C, increasing the initial concentration of RhB reduced the efficiency and rate of degradation of RhB. At 70 °C, the efficiency and rate of degradation of RhB increased with Na2S2O8 concentration. The heat/persulfate process at 70 °C with an initial concentration of RhB of 5 mg/L and an Na2S2O8 concentration of 32 mM completely degraded RhB in 7 min, revealing that the heat/persulfate process is highly effective in the degradation of RhB in water.",

keywords = "Degradation, Dye, Heat, Persulfate, Rhodamine B",

author = "Lin, \{Chia Chang\} and Hsiao, \{Hsu Heng\}",

note = "Publisher Copyright: {\textcopyright} 2021 Taiwan Institute of Chemical Engineers",

year = "2022",

month = mar,

doi = "10.1016/j.jtice.2021.104190",

language = "英语",

volume = "132",

journal = "Journal of the Taiwan Institute of Chemical Engineers",

issn = "1876-1070",

publisher = "Taiwan Institute of Chemical Engineers",

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TY - JOUR

T1 - Degradation of Rhodamine B in water by heat/persulfate process

AU - Lin, Chia Chang

AU - Hsiao, Hsu Heng

PY - 2022/3

Y1 - 2022/3

N2 - Background: This investigation concerns the effectiveness of the heat/persulfate process in the degradation of Rhodamine B (RhB) in water. Methods: The dependences of the efficiency and rate of degradation of RhB by the heat/persulfate process on the temperature, initial concentration of RhB, and Na2S2O8 concentration were examined. Significant findings: The degradation of RhB by the heat/persulfate process followed pseudo-first-order kinetics. The efficiency and rate of degradation of RhB at 70 °C dramatically exceeded those at 30 °C. At 70 °C, increasing the initial concentration of RhB reduced the efficiency and rate of degradation of RhB. At 70 °C, the efficiency and rate of degradation of RhB increased with Na2S2O8 concentration. The heat/persulfate process at 70 °C with an initial concentration of RhB of 5 mg/L and an Na2S2O8 concentration of 32 mM completely degraded RhB in 7 min, revealing that the heat/persulfate process is highly effective in the degradation of RhB in water.

AB - Background: This investigation concerns the effectiveness of the heat/persulfate process in the degradation of Rhodamine B (RhB) in water. Methods: The dependences of the efficiency and rate of degradation of RhB by the heat/persulfate process on the temperature, initial concentration of RhB, and Na2S2O8 concentration were examined. Significant findings: The degradation of RhB by the heat/persulfate process followed pseudo-first-order kinetics. The efficiency and rate of degradation of RhB at 70 °C dramatically exceeded those at 30 °C. At 70 °C, increasing the initial concentration of RhB reduced the efficiency and rate of degradation of RhB. At 70 °C, the efficiency and rate of degradation of RhB increased with Na2S2O8 concentration. The heat/persulfate process at 70 °C with an initial concentration of RhB of 5 mg/L and an Na2S2O8 concentration of 32 mM completely degraded RhB in 7 min, revealing that the heat/persulfate process is highly effective in the degradation of RhB in water.

KW - Degradation

KW - Dye

KW - Heat

KW - Persulfate

KW - Rhodamine B

UR - https://www.scopus.com/pages/publications/85123003345

U2 - 10.1016/j.jtice.2021.104190

DO - 10.1016/j.jtice.2021.104190

M3 - 文章

AN - SCOPUS:85123003345

SN - 1876-1070

VL - 132

JO - Journal of the Taiwan Institute of Chemical Engineers

JF - Journal of the Taiwan Institute of Chemical Engineers

M1 - 104190

ER -

Degradation of Rhodamine B in water by heat/persulfate process

Abstract

Bibliographical note

Keywords

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