Adsorption and desorption of binary mixtures of volatile organic contaminants on soil /
#4471 soil were measured by a dynamic response technique
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| Format: | Thesis eBook |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1995.
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| Subjects: | |
| Online Access: | Link to OAKTrust copy |
| Summary: | #4471 soil were measured by a dynamic response technique adsorption equilibria of binary mixtures of volatile organic adsorption isotherms and showed a two-step behavior. The adsorption. All models failed for prediction of the BET type and the second step to the monolayer desorption. The second based on frontal analysis chromatography. The adsorption BET model, the potential theory and the ideal adsorbed binary mixtures from the soil were also investigated. The compounds by using the same technique. The binary mixtures concentrations of methanol are low. concentrations. For the n-hexane and toluene system, the desorption profiles were linked to the shape of the first step corresponded to the desorption of the multilayers for prediction of the experimental results for binary hexane and under-predicted at high concentrations of n- hexane. For cases when methanol was present, only the IAST IAST and extended BET models can predict the amount adsorbed. III isotherms when methanol was present at high indicate physical adsorption. Competitive adsorption of isotherms exhibited a different behavior. The isotherms isotherms were BET type 11 isotherms, which indicates methanol was high. The desorption of pure compounds and model can predict the adsorbed amount at conditions where multilayer adsorption on soil. The heats of adsorption n-hexane, toluene, methanol and chlorobenzene on Highbank organic mixtures on soil was assessed by measuring the polar). The presence of two organics reduced each organic's process. The adsorption isotherms of single components on progressively became BET type III when the concentration of soil were modeled by using the BET isotherin. The extended solution theory for mixture adsorption were also evaluated step was the rate-controlling step for the overall desorption system were BET type 11. With the presence of methanol, the systems were hexane-toluene(non-polar, non-polar), methanol- The adsorption equilibria of four volatile organic compounds, The potential theory works well at a low concentrations of n- toluene(polar, non-polar), and methanol-chlorobenzene(polar, uptake on soil. The adsorption isotherms of hexane-toluene |
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| Item Description: | "Major subject: Chemical Engineering". Vita. |
| Physical Description: | xii, 104 leaves : illustrations ; 28 cm. Also available online. Issued also on microfiche from Lange Micrographics. |
| Bibliography: | Includes bibliographical references. |