Adsorption of Diethylenetriamine from Water by Activated Carbon: Kinetics, Isotherms and Thermodynamics

Chen, Pei‐Yun; Li, Z.H.; Long, Xiang‐li

doi:10.1080/01496395.2023.2221819

Separation Science and Technology

2023

DOI: 10.1080/01496395.2023.2221819

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Adsorption of Diethylenetriamine from Water by Activated Carbon: Kinetics, Isotherms and Thermodynamics

Pei‐Yun Chen

Z.H. Li

Xiang‐li Long

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2024

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Research over the effect of activated carbon treated with calcium nitrate solution on the catalytic ability in the reduction of Co(III)Triethylenetetramine

Zhang,

Li,

Long

2024

Env Prog and Sustain Energy

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Activated carbon can be used as a catalyst for the reduction of Co(III)TETA to Co(II)TETA so as to maintain the ability of removing NO from gas stream with Co(II)TETA solution. Calcium nitrate has been utilized to treat activated carbon to improve its catalytic ability in the regeneration of Co(II)TETA. The biggest Co(III)TETA conversion is gained by the carbon being soaked in 0.3 mol/L calcium nitrate solution at 65°C for 12 h with a solid/liquid ratio of 1 g/50 mL followed being carbonized at 400°C for 2 h in nitrogen. The characterization with Fourier transform infrared spectroscopy, XPS, BET (Brunauer‐Emmett‐Teller) and Boehm titration indicates that the modification with calcium nitrate increases the specific surface area and acidic groups on activated carbon. The continuous experiments reveal that the NO removal efficiency obtained by the modified carbon is over 12% up to that by the original one.

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Research over the effect of activated carbon treated with calcium nitrate solution on the catalytic ability in the reduction of Co(III)Triethylenetetramine

Zhang,

Li,

Long

2024

Env Prog and Sustain Energy

View full text Add to dashboard Cite

show abstract

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Adsorption of Diethylenetriamine from Water by Activated Carbon: Kinetics, Isotherms and Thermodynamics

Cited by 1 publication

References 48 publications

Research over the effect of activated carbon treated with calcium nitrate solution on the catalytic ability in the reduction of Co(III)Triethylenetetramine

Research over the effect of activated carbon treated with calcium nitrate solution on the catalytic ability in the reduction of Co(III)Triethylenetetramine

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