[PDF] Top 20 Column study of benzene adsorption onto activated carbon

... Activated carbon, due to its high specific surface area, zene vapor was generated by a VOC generator and carried has been used extensively as an adsorbate for removal of by dehydrated and ... See full document

... In the literatures, the adsorption processes of the adsorbents and VOCs were usually considered to be in equilibrium. In this study, the VOC adsorption processes by activated carbon we[r] ... See full document

... adsorption isotherm and the column adsorption process, and model simulation shows that a high reaction temperature will cause both the adsorption reaction rate and desorption r[r] ... See full document

... length of unused bed (LUB) is between ...The adsorption efficiency of the adsorbent at various LUB of the AC–Ba and the AC–Mg activated carbons are temperatures are showed in ...that ... See full document

... Department of Civil and Environmental Engineering, University of Delaware, Newark, DE 19716, USA Received 19 February 2000; accepted 9 June 2000 Abstract This research was undertaken to investigate the pore ... See full document

... In this study, both adsorption and desorption processes are assumed to occur simultaneously and a numerical model was developed with a non-linear driving force in conjunction with the [r] ... See full document

... the adsorption of volatile organic compounds (VOCs) onto activated carbon under specific ...this study, based on the basic dynamical reaction (BDR) theory, a thermo- dynamic ... See full document

... The adsorption equilibrium and kinetics of polyethylene glycol (PEG) in three aqueous systems were examined in this ...the adsorption capacity of PEG on activated carbon F-400 ... See full document

... behavior of carbon films was also observed based on the Arrhenius equa- tion and thermal desorption spectroscopy 共Pigram et ...the adsorption process only under equilibrium ...the adsorption ... See full document

... performance of a thermodynamic model using nonlinear driving force in conjunction with the Langmuir model exemplified by the adsorption of benzene and carbon tetrachloride onto ... See full document

... (R) of 2-MT in various so- lutions calculated by Stokes–Einstein equation are ...high adsorption capacity of 2-MT of low molecular weight onto F 400 can be obtained due to high ... See full document

... Most of Taiwan''''s water resources are polluted by organic matter which,disrupts the chlorination process in water ...used carbon adsorption process, were developedto supply safe drinking ...purpose ... See full document

... Although activated carbons are the most widely used ad- sorbent in the removal or recovery of organic compounds from liquid-phase streams due to their large surface area and nearly nonpolar surface [16], ... See full document

... 摘要: The adsorption capacity of Methylene blue from aqueous solution onto activated carbon prepared from Delonix regia pods (Flame tree pods) was investigated under various experimenta[r] ... See full document

... degree of oxidation,however,was independent of tem- perature and O 3 ...group of an activated carbon,very little quantitative information is available on the possible modification ... See full document

... A possible sequence of reaction steps in removing adsorbate from the air mixture, flowing into a granular activated carbon, is as foUows(9): mass transfer, surface diff[r] ... See full document

... Activated carbon kinetic studies show that both H 2 S and CH 3 SH yielded pore di€usion coecients from 10 ÿ6 to 10 ÿ8 cm 2 ...the activated carbon ...pressure of CH 3 SH is lower than ... See full document

... Keywords: Adsorption; Carbon nanotubes; Isotherm; Kinetics; Thermodynamics ...solubility of the dyes, which also creates an economical and environmental prob- ...removal of dye from colored ... See full document

... boundary of the ...size of packing media and the superficial velocity of the influent, reasonably dominate the performance of a BAC ...effects of the particle size on adsorption ... See full document

... GAC adsorption of atrazine, without and with background DOC, are given in Tables 1 and 2, ...quantitation of atrazine. In the presence of DOC, adsorption capacities at 7 µg/L could be ... See full document