Adsorption isotherms and kinetics of activated carbon/Difluoroethane adsorption pair: Theory and experiments

2016 ◽  
Vol 70 ◽  
pp. 196-205 ◽  
Author(s):  
Mohamed Ghazy ◽  
K. Harby ◽  
Ahmed A. Askalany ◽  
Bidyut B. Saha
Keyword(s):  
Activated Carbon ◽  
Adsorption Isotherms ◽  
Adsorption Isotherms And Kinetics ◽  
Kinetics Of ◽  
Theory And Experiments

Adsorption isotherms and kinetics of carbon dioxide on Chinese dry coal over a wide pressure range

Adsorption ◽  
2015 ◽  
Vol 21 (1-2) ◽  
pp. 53-65 ◽  
Author(s):  
Yongchen Song ◽  
Wanli Xing ◽  
Yi Zhang ◽  
Weiwei Jian ◽  
Zhaoyan Liu ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Adsorption Isotherms ◽  
Pressure Range ◽  
Adsorption Isotherms And Kinetics ◽  
Wide Pressure Range ◽  
Kinetics Of ◽  
Wide Pressure

scholarly journals Adsorption Isotherms and Kinetics of Pb (II) and Cd (II) Ions onto Carbonised Sugarcane Bagasse

2021 ◽  
Vol 9 (3) ◽  
pp. 44
Author(s):  
Oklo Ahola David ◽  
Enenche Elaigwu Daniel ◽  
Adie Agorye Peter ◽  
Enyi Ogor Simeon
Keyword(s):  
Sugarcane Bagasse ◽  
Adsorption Isotherms ◽  
Adsorption Isotherms And Kinetics ◽  
Kinetics Of

A Detailed Investigation of Adsorption Isotherms, Enthalpies, and Kinetics of Mercury Adsorption on Nonimpregnated Activated Carbon

2019 ◽  
Vol 58 (10) ◽  
pp. 4208-4221 ◽  
Author(s):  
Jonas M. Ambrosy ◽  
Christoph Pasel ◽  
Michael Luckas ◽  
Margot Bittig ◽  
Dieter Bathen
Keyword(s):  
Activated Carbon ◽  
Adsorption Isotherms ◽  
Mercury Adsorption ◽  
Kinetics Of

A Study on the Kinetics of Propane-Activated Carbon: Theory and Experiments

2013 ◽  
Vol 388 ◽  
pp. 76-82 ◽  
Author(s):  
Azhar Ismail ◽  
Wai Soong Loh ◽  
Kyaw Thu ◽  
Kim Choon Ng
Keyword(s):  
Activated Carbon ◽  
Driving Force ◽  
Transfer Rate ◽  
Mass Transfer Rate ◽  
Magnetic Suspension ◽  
Rate Coefficients ◽  
Magnetic Suspension Balance ◽  
Experimental Kinetics ◽  
Kinetics Of ◽  
Theory And Experiments

Experimental kinetics results of propane in Maxsorb III activated carbon is obtained at temperatures of 10°C and 30°C, and pressures up to 800kPa using a magnetic suspension balance. A multi-gradient linear driving force (LDF) approximation is used for adsorbate uptake as a function of time. The LDF mass-transfer-rate coefficients were thus determined. Using this approach, the experimentally derived LDF coefficients based on independently measured kinetic parameters for propane in the activated-carbon bed agree very well with experimental results. The computational efficiency is gained by adopting this extended LDF model.

scholarly journals Adsorption isotherms and kinetics of vanadium by shale and coal waste

2017 ◽  
Vol 36 (3-4) ◽  
pp. 936-952 ◽  
Author(s):  
George William Kajjumba ◽  
Serdar Aydın ◽  
Sinan Güneysu
Keyword(s):  
Fourier Transform ◽  
Adsorption Isotherms ◽  
Fossil Fuels ◽  
Fourier Transform Infrared ◽  
Coal Waste ◽  
Batch Adsorption ◽  
Vanadium Concentration ◽  
Maximum Sorption Capacity ◽  
Adsorption Isotherms And Kinetics ◽  
Kinetics Of

The use of adsorption using nanomaterials has become a very competitive method for removal of hazardous materials from wastewater. With increasing consumption of fossil fuels and development of energy storage systems, the levels of vanadium pollution are expected to increase. Utilizing natural shale and coal waste as adsorbents, batch adsorption, isotherms, and kinetics of vanadium was studied. The adsorption characteristics of shale and coal waste were studied using Fourier Transform Infrared spectroscope and Scanning Electron Microscopy. The effect of pH, the amount of adsorbent, vanadium concentration, temperature, and contact time between adsorbate and adsorbents were also studied to obtain optimum conditions for maximum adsorption of vanadium. The Fourier Transform Infrared results show little distortion in the vibration of bands, and hence the surface properties remain unchanged for both sorbents after adsorption. The adsorption kinetics are best described by pseudo-second order, while Langmuir model fits the adsorption isotherm for both adsorbents. Maximum sorption capacity is 67.57 mg/g for shale while that of coal is 59.88 mg/g at 298 K and pH 3. For both adsorbents, the adsorption process is spontaneous, endothermic, and chemisorption in nature. Both adsorbents can effectively be recycled twice.

Sign in / Sign up

Export Citation Format

Share Document