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The Influence Of Activated Carbon Surface Chemistry And Solvent Interactions On The Adsorption Of 2 Methylisoborneol
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Book Synopsis The Influence of Activated Carbon Surface Chemistry and Solvent Interactions on the Adsorption of 2-methylisoborneol by : Robert Considine
Download or read book The Influence of Activated Carbon Surface Chemistry and Solvent Interactions on the Adsorption of 2-methylisoborneol written by Robert Considine and published by . This book was released on 1997 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Activated Carbon: Surface Chemistry and Adsorption from Solution by : James S. Mattson
Download or read book Activated Carbon: Surface Chemistry and Adsorption from Solution written by James S. Mattson and published by . This book was released on 1971 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Activated Carbon Characteristics on Organic Contaminant Removal by : Detlef R. U. Knappe
Download or read book Effects of Activated Carbon Characteristics on Organic Contaminant Removal written by Detlef R. U. Knappe and published by IWA Publishing. This book was released on 2004-01-01 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis Adsorption by Carbons by : Eduardo J. Bottani
Download or read book Adsorption by Carbons written by Eduardo J. Bottani and published by Elsevier. This book was released on 2011-10-10 with total page 773 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis Effect of Surface Groups on Adsorption of Pollutants by : Robert W. Coughlin
Download or read book Effect of Surface Groups on Adsorption of Pollutants written by Robert W. Coughlin and published by . This book was released on 1970 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Activated Carbon Surface Chemistry and Pore Structure on the Absorption of Methyl Tertiary-Butyl Ether and Trichloroethene from Natural Water by :
Download or read book Effects of Activated Carbon Surface Chemistry and Pore Structure on the Absorption of Methyl Tertiary-Butyl Ether and Trichloroethene from Natural Water written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Activated carbon adsorption is the best available treatment technology for thecontrol of many objectionable trace organic compounds. Activated carbons are frequentlycharacterized by the iodine number and BET surface area, but these parameters do notcorrelate well with trace organic compound removal from natural water. Therefore, theobjective of this research was to develop activated carbon selection criteria that assure theeffective removal of trace organic contaminants from natural water and to base theselection criteria on the adsorbent's pore structure and surface chemistry. Tosystematically evaluate pore structure and surface chemistry effects, a matrix of activatedcarbon fibers (ACFs) with three activation levels and four surface chemistry levels wasstudied. To evaluate whether adsorption trends established for ACFs were also valid forgranular activated carbon (GAC), ACF results were compared with those obtained forthree commercially available GACs. Adsorption capacities were determined for naturalorganic matter (NOM), for relatively hydrophilic methyl tertiary-butyl ether (MTBE) andrelatively hydrophobic trichloroethene (TCE) in organic-free water, and for MTBE andTCE in the presence of NOM. NOM isotherms showed that DOC adsorption occurredprimarily in pores with diameters in the 11 to 500 Å range and that electrostaticinteractions between NOM and the carbon surface played a role in NOM adsorption. According to both single-solute isotherms and micropollutant isotherms in the presence of NOM, hydrophobic adsorbents more effectively removed TCE and MTBE thanhydrophilic adsorbents. Effective adsorbents for drinking water treatment shouldtherefore contain little oxygen and nitrogen whose presence increases the polarity of theadsorbent surface. Based on the elemental composition of the low-ash carbons evaluatedin this study, activated carbons should have oxygen and nitrogen contents that sum to nomore than 2 to 3 mmol/g to assure sufficient hydrophobicity. In a.
Book Synopsis Porous Materials by : Juan Carlos Moreno-Piraján
Download or read book Porous Materials written by Juan Carlos Moreno-Piraján and published by Springer Nature. This book was released on 2021-03-10 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is written in honor of Prof. Francisco Rodriguez-Reinoso, who has made significant contributions in the area of porous materials such as active carbons and graphenes. It details the preparation of porous materials, including carbonaceous, zeolitic, and siliceous materials, MOFs, aerogels, and xerogels, describing the characterization techniques and the interpretation of the results, and highlighting common errors that can occur during the process. This book subsequently presents the use of modeling based on thermodynamics to describe the materials. Lastly, it illustrates a number of current environmental protection applications in the context of both water and air.
Book Synopsis Surface Chemistry of Activated Carbon by : Chanel Ishizaki
Download or read book Surface Chemistry of Activated Carbon written by Chanel Ishizaki and published by . This book was released on 1973 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanism of Organic Adsorption on Activated Carbon by : John Thomas Cookson
Download or read book Mechanism of Organic Adsorption on Activated Carbon written by John Thomas Cookson and published by . This book was released on 1973 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Influence of Activated Carbon Surface Chemistry and Physical Properties, and Solution Properties on Anionic Surfactant Adsorption from Dilute Solution by : Sophie Hua Wu
Download or read book 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 published by . This book was released on 2002 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Activated Carbon Surface Chemistry Modification on the Adsorption of Mercury from Aqueous Solution by : Emily Kaye Faulconer
Download or read book Effects of Activated Carbon Surface Chemistry Modification on the Adsorption of Mercury from Aqueous Solution written by Emily Kaye Faulconer and published by . This book was released on 2012 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Effects of Activated Carbon Surface Chemistry and Pore Structure on the Adsorption of Methyl Tertiary-butyl Ether and Trichloroethene from Natural Water by : Patricia Ann Quinlivan
Download or read book Effects of Activated Carbon Surface Chemistry and Pore Structure on the Adsorption of Methyl Tertiary-butyl Ether and Trichloroethene from Natural Water written by Patricia Ann Quinlivan and published by . This book was released on 2001 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: activated carbon, chemical treatment, surface treatment, adsorption properties, microporosity.
Book Synopsis The Effect of Activated Carbon Surface Chemistry on Adsorption of P-nitrophenol by : Cuneyt Ali Feizoulof
Download or read book The Effect of Activated Carbon Surface Chemistry on Adsorption of P-nitrophenol written by Cuneyt Ali Feizoulof and published by . This book was released on 1995 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Activated Carbon Adsorption of Trace Organic Compounds by : Vernon L. Snoeyink
Download or read book Activated Carbon Adsorption of Trace Organic Compounds written by Vernon L. Snoeyink and published by . This book was released on 1977 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Influence of the Surface Chemistry and Structure of Activated Carbon on the Adsorption of Aurocyanide by :
Download or read book Influence of the Surface Chemistry and Structure of Activated Carbon on the Adsorption of Aurocyanide written by and published by . This book was released on 1993 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthetic and commercial activated carbons are characterised for several chemical and physical properties. A range of techniques is used to establish correlations between physicochemical parameters and gold-adsorption activities. The most important parameter in the carbon activation process for a product with a high gold-adsorption activity is the activation temperature. High activation temperatures yield products with large micropore volumes which provides sites that are ideal in size for adsorption. The surface area of an activated carbon is not necessarily a good measure of its adsorption activity. Surface oxygen-containing functional groups are comprised mainly of ethers and hydroxyls. These functional groups line the edges of the micropores imparting a polar character to the pore and aid in the solvation of the adsorbate. Oxidants such as nitric acid result in a proliferation of surface carboxyl groups resulting in a negatively-charged surface that is not conducive to the adsorption of gold.
Book Synopsis Effect of Lime Softening on the Adsorption of 2 Methylisoborneol by Powdered Activated Carbon by : Joseph Richard Elarde
Download or read book Effect of Lime Softening on the Adsorption of 2 Methylisoborneol by Powdered Activated Carbon written by Joseph Richard Elarde and published by . This book was released on 1998 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects on Surface Area. Intake Capacity and Regeneration of Monoethanolamine by : Saad Khalil
Download or read book Effects on Surface Area. Intake Capacity and Regeneration of Monoethanolamine written by Saad Khalil and published by GRIN Verlag. This book was released on 2018-09-12 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: Document from the year 2018 in the subject Engineering - Chemical Engineering, The University of Malaya, language: English, abstract: Granular palm shell activated carbon (AC) was impregnated separately with monoethanolamine (MEA) and 2-amino-2-methyl-1-propanol (AMP) to improve its natural capacity and selectivity for carbon dioxide (CO2) adsorption. The total surface area, micropore volume, as well as the heterogeneity of the impregnated AC particles was considerably reduced due to impregnation. CO2 intake of impregnated 500 μm AC particles improved significantly and adsorptive capacity of 500 μm MEA-impregnated AC particles improved by 172 % and 44 % comparing to non-impregnated and AMP-impregnated AC particles respectively. Solid state amine stoichiometric results indicated that adsorption capacity of unhindered amine (MEA) is higher than that of hindered amine (AMP) by 50 % contrary to liquid amines standard stoichiometry. Exhausted AMPimpregnated beds were regenerated by sweeping at room temperature with stream of pure nitrogen (N2) flowing at 60 ml/min for 4 hours. Heating up to 75 °C was required to regenerate exhausted MEA-impregnated beds. Increasing feed gas flow rate has adverse effect on breakthrough time more than increasing bed operating temperature. Breakthrough time was utilized to evaluate the performance of the different adsorption beds.
