Metronidazole in aqueous solution removal by activated carbon fiber adsorption of systems: adsorption kinetics, adsorption isotherms and thermodynamics

2019 ◽  
Vol 148 ◽  
pp. 162-169
Author(s):  
Yu Gao ◽  
Yuzhi Liu ◽  
Danwa Zou ◽  
Heda Guan ◽  
Donglei Zou
Keyword(s):  
Aqueous Solution ◽  
Activated Carbon ◽  
Carbon Fiber ◽  
Adsorption Isotherms ◽  
Adsorption Kinetics ◽  
Activated Carbon Fiber ◽  
Isotherms And Thermodynamics

Effect of Modification with Nitric Acid and Hydrogen Peroxide on Chromium (VI) Adsorption by Activated Carbon Fiber

2012 ◽  
Vol 518-523 ◽  
pp. 2099-2103
Author(s):  
Guang Zhou Qu ◽  
Hai Bing Ji ◽  
Ran Xiao ◽  
Dong Li Liang
Keyword(s):  
Hydrogen Peroxide ◽  
Activated Carbon ◽  
Nitric Acid ◽  
Carbon Fiber ◽  
Adsorption Capacity ◽  
Adsorption Kinetics ◽  
Ph Value ◽  
Activated Carbon Fiber ◽  
Order Kinetic ◽  
Adsorption Amount

The activated carbon fiber (ACF) was treated by different concentration nitric acid (HNO3) and hydrogen peroxide (H2O2) oxidization to enhance its adsorption capacity to hexavalent chromium (Cr6+) ion. The adsorption amount and adsorption kinetics of Cr6+ion on ACFs, and the surface chemical groups were investigated. The results showed that the modified ACFs with 1% HNO3and 10% H2O2had a better adsorption capacity, respectively. The adsorption amount of ACFs was affected strongly solution pH value, and decreased significantly with increasing of the pH value. The adsorption kinetics indicated that the adsorption rates of Cr6+ ion on different modified ACFs were well fitted with the pseudo-second-order kinetic model. After 1% HNO3and 10% H2O2modification, respectively, the total acidic oxygen-containing groups on ACFs surface had an increase obviously, which might be enhance the adsorption amount of Cr6+ion on ACFs.

Rapid removal of diclofenac in aqueous solution by soluble Mn(III) (aq) generated in a novel Electro-activated carbon fiber-permanganate (E-ACF-PM) process

2019 ◽  
Vol 165 ◽  
pp. 114975 ◽  
Author(s):  
Yunhua Zhu ◽  
Chun Zhao ◽  
Jialiang Liang ◽  
Ran Shang ◽  
Xuanmo Zhu ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Activated Carbon ◽  
Carbon Fiber ◽  
Activated Carbon Fiber ◽  
Rapid Removal

Performance and mechanisms for removal of perfluorooctanoate (PFOA) from aqueous solution by activated carbon fiber

RSC Advances ◽  
2015 ◽  
Vol 5 (106) ◽  
pp. 86927-86933 ◽  
Author(s):  
Yujuan Wang ◽  
Junfeng Niu ◽  
Yang Li ◽  
Taojie Zheng ◽  
Yi Xu ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Activated Carbon ◽  
Carbon Fiber ◽  
Activated Carbon Fiber ◽  
Sorption Behavior

The sorption behavior of perfluorooctanoate (PFOA) by activated carbon fiber (ACF) in aqueous solution was investigated.

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