Activated Carbon Surface Chemistry And Adsorption From Solution

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Activated Carbon Surface Chemistry And Adsorption From Solution

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Author : James S. Mattson
language : en
Publisher:
Release Date : 1971

Activated Carbon Surface Chemistry And Adsorption From Solution written by James S. Mattson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Science categories.

Activated Carbon

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Author : Harry B. Mark
language : en
Publisher:
Release Date : 1971

Activated Carbon written by Harry B. Mark and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Carbon categories.

Surface Chemistry Of Activated Carbon

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Author : Chanel Ishizaki
language : en
Publisher:
Release Date : 1973

Surface Chemistry Of Activated Carbon written by Chanel Ishizaki and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Carbon, Activated categories.

Activated Carbon Adsorption

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Author : Roop Chand Bansal
language : en
Publisher: CRC Press
Release Date : 2005-05-24

Activated Carbon Adsorption written by Roop Chand Bansal and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-05-24 with Science categories.

High surface area, a microporous structure, and a high degree of surface reactivity make activated carbons versatile adsorbents, particularly effective in the adsorption of organic and inorganic pollutants from aqueous solutions. Activated Carbon Adsorption introduces the parameters and mechanisms involved in the activated carbon adsorption

Effect Of Surface Groups On Adsorption Of Pollutants

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Author : Robert W. Coughlin
language : en
Publisher:
Release Date : 1970

Effect Of Surface Groups On Adsorption Of Pollutants written by Robert W. Coughlin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Adsorption categories.

Adsorption By Carbons

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Author : Eduardo J. Bottani
language : en
Publisher: Elsevier
Release Date : 2011-10-10

Adsorption By Carbons written by Eduardo J. Bottani and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-10-10 with Technology & Engineering categories.

Adsorption by Carbons covers the most significant aspects of adsorption by carbons, attempting to fill the existing gap between the fields of adsorption and carbonaceous materials. Both basic and applied aspects are presented. The first section of the book introduces physical adsorption and carbonaceous materials, and is followed by a section concerning the fundamentals of adsorption by carbons. This leads to development of a series of theoretical concepts that serve as an introduction to the following section in which adsorption is mainly envisaged as a tool to characterize the porous texture and surface chemistry of carbons. Particular attention is paid to some novel nanocarbons, and the electrochemistry of adsorption by carbons is also addressed. Finally, several important technological applications of gas and liquid adsorption by carbons in areas such as environmental protection and energy storage constitute the last section of the book. The first book to address the interplay between carbonaceous materials and adsorption Includes important environmental applications, such as the removal of volatile organic compounds from polluted atmospheres Covers both gas-solid and liquid-solid adsorption

The Influence Of Activated Carbon Surface Chemistry And Physical Properties And Solution Properties On Anionic Surfactant Adsorption From Dilute Solution

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Author : Sophie Hua Wu
language : en
Publisher:
Release Date : 2002

The Influence Of Activated Carbon Surface Chemistry And Physical Properties And Solution Properties On Anionic Surfactant Adsorption From Dilute Solution written by Sophie Hua Wu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Carbon, Activated categories.

Effects Of Activated Carbon Characteristics On Organic Contaminant Removal

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Author : Detlef R. U. Knappe
language : en
Publisher: IWA Publishing
Release Date : 2004-01-01

Effects Of Activated Carbon Characteristics On Organic Contaminant Removal written by Detlef R. U. Knappe and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-01-01 with Science categories.

Many water treatment plants need to remove objectionable trace organic compounds, and activated carbon adsorption is often the best available technology. Utilities face the challenge of having to choose from a large variety of activated carbons, and iodine number or BET surface area values are often utilized in the selection process. Although neither parameter correlates well with adsorption capacities, alternative activated carbon selection criteria based on fundamental adsorbent and adsorbate properties are lacking to date. The first objective of this research was to systematically evaluate the effects of activated carbon pore structure and surface chemistry on the adsorption of two common drinking water contaminants: the relatively polar fuel oxygenate methyl tertiary-butyl ether (MTBE) and the relatively nonpolar solvent trichloroethene (TCE). The second objective was to develop simple descriptors of activated carbon characteristics that facilitate the selection of suitable adsorbents for the removal of organic contaminants from drinking water.Originally published by AwwaRF for its subscribers in 2003 This publication can also be purchased and downloaded via Pay Per View on Water Intelligence Online - click on the Pay Per View icon below

Effects Of Activated Carbon Surface Chemistry And Pore Structure On The Adsorption Of Trace Organic Contaminants From Aqueous Solution

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Author :
language : en
Publisher:
Release Date : 2002

Effects Of Activated Carbon Surface Chemistry And Pore Structure On The Adsorption Of Trace Organic Contaminants From Aqueous Solution written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.

The principal objectives of this research were (1) to identify activated pore structure and surface chemistry characteristics that assure the effective removal of trace organic contaminants from aqueous solution, and (2) to develop a procedure to predict the adsorption capacity of activated carbons from fundamental adsorbent and adsorbate properties. To systematically evaluate pore structure and surface chemistry effects on the adsorption of organic micropollutants from aqueous solution, a matrix of activated carbon fibers (ACFs) with three activation levels and four surface chemistry levels was prepared and characterized. In addition, three commercially available granular activated carbons (GACs) were studied to verify whether correlations developed for the ACF matrix are valid for adsorbents that are typically used for water treatment. BET surface area, pore size distribution, elemental composition, point of zero charge and infrared spectroscopy data were obtained to characterize the adsorbents. The results showed that the ACF matrix prepared in this study permits a fairly independent evaluation of surface chemistry and pore structure effects on organic contaminant adsorption from aqueous solution. Methyl tertiary-butyl ether (MTBE), a relatively hydrophilic adsorbate, and trichloroethene (TCE), a relatively hydrophobic adsorbate, served as adsorbate probes. To evaluate the effects of natural organic matter (NOM) on MTBE and TCE adsorption capacities, isotherm experiments were conducted in ultrapure water and Sacramento-San Joaquin Delta water. With respect to surface chemistry, both single-solute isotherms and isotherms in the presence of NOM indicated that hydrophobic adsorbents more effectively removed TCE and MTBE from aqueous solution than hydrophilic adsorbents. Enhanced water adsorption on polar surface sites explained the poorer performance of the hydrophilic adsorbents. Based on the elemental composition of the low-ash carbons evaluated in this study, act.

Effects Of Activated Carbon Surface Chemistry Modification On The Adsorption Of Mercury From Aqueous Solution

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Author : Emily Kaye Faulconer
language : en
Publisher:
Release Date : 2012

Effects Of Activated Carbon Surface Chemistry Modification On The Adsorption Of Mercury From Aqueous Solution written by Emily Kaye Faulconer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.

Mercury (Hg), a naturally occurring element, is toxic and can lead to negative health impacts for humans and ecosystems. Activated carbon adsorption is effective in treating Hg-laden aqueous effluent for safe discharge. Two modifications of commercially available activated carbon were investigated: iron impregnation to allow for magnetic sorbent recapture and wet chemical oxidation to enhance aqueous Hg capture. The modified carbons were characterized by nitrogen adsorption-desorption, XRD, pHpzc, vibrating sample magnetometry, elemental analysis, and total acidity titration. The 3:1 C:Fe magnetic powdered activated carbon (MPAC) retained a high surface area of 790 m2/g and was 95% magnetically recoverable, with the iron present primarily as maghemite. The characteristics of the surface oxygen modified carbons varied based on the nature of the modifying reagent and its concentration. The modified carbons were applied to trace level Hg solutions (100 μg/L). The 3:1 MPAC achieved the highest adsorption capacity, reaching 91% Hg removal with 2% volatilized and 84% adsorbed. Adsorption occurs primarily as chemisorption, thus allowing for non-hazardous residuals disposal until reaching a loading of greater than 800 μg Hg/ g MPAC.