Theoretical and experimental investigation on the radial flow desiccant dehumidification bed

Awad, Mohamed M.; Hamed, Ahmed M.; Bekheit, M. M.

doi:10.1016/j.applthermaleng.2006.12.018

Cited by 59 publications

(22 citation statements)

References 14 publications

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“…Silica gel (SiO 2 ) is an adsorbent made from the neutralization of sodium silicate with mineral acid (47). Although it is commonly used as a desiccant (53)(54)(55) and an adsorbent to separate organic compounds from one another, it is not commonly used in water or wastewater treatment. Although it is commonly used as a desiccant (53)(54)(55) and an adsorbent to separate organic compounds from one another, it is not commonly used in water or wastewater treatment.…”

Section: Ethanol Purification Techniquesmentioning

confidence: 99%

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Taking ethanol quality beyond fuel grade: A review

et al. 2016

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Ethanol production in the United States approached 15 billion gal/year in 2015. Only about 2.5% of this was food‐grade alcohol, but this represents a higher‐value product than fuels or other uses. The ethanol production process includes corn milling, cooking, saccharification, fermentation, and separation by distillation. Volatile byproducts are produced during the fermentation of starch. These include other alcohols, aldehydes, ketones, fatty acids and esters. Food‐grade ethanol is generally produced by wet milling, where starch and sugars are separated from the other corn components, resulting in much smaller concentrations of the impurities than are obtained from fermentation of dry‐milled corn, where cyclic and heterocyclic compounds are produced from lignin in the corn hull. Some of these volatile byproducts are likely to show up in the distillate and these fermentation byproducts in ethanol could cause unpleasant flavours and affect human health if used for human consumption. There is some interest in improving ethanol quality, since human consumption represents a higher value. Advanced purification techniques, such as ozone oxidation, currently used for drinking water and municipal wastewater treatment, offer possibilities for adaptation in ethanol quality improvement. The development of analytical techniques has enabled the detection of low‐concentration compounds and simple quality assurance of food‐grade alcohol. This review includes the most recent ethanol production methods, potential ethanol purification techniques and analytical techniques. Application of such techniques would aid in the development of simplified alcohol production. Copyright © 2016 The Institute of Brewing & Distilling

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Section: Ethanol Purification Techniquesmentioning

confidence: 99%

“…The surface area of silica gel ranges from 300 to 700 m 2 /g (51,52). Although it is commonly used as a desiccant (53)(54)(55) and an adsorbent to separate organic compounds from one another, it is not commonly used in water or wastewater treatment.…”

Section: Ethanol Purification Techniquesmentioning

confidence: 99%

Taking ethanol quality beyond fuel grade: A review

et al. 2016

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“…In the past years, a number of investigations have been conducted on solid desiccant dehumidifiers, such as the establishment of mathematical model [1e4], performance analysis [5e7] and experimental studies [8,9]. It can be seen that most of the investigations are focusing on evaluating the performance and energy utilization of solid desiccant dehumidifiers.…”

Section: Introductionmentioning

confidence: 99%

Experimental comparison and analysis on silica gel and polymer coated fin-tube heat exchangers

Dai

Wang

et al. 2010

Energy

169

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“…The adsorbate concentration in the solid was obtained by solving the governing equations using Laplace transformation. Awad et al [13] and Ramzy et al [14] studied the heat and mass transfer in radial flow hollow cylindrical packed bed for both single blow test adsorption or desorption process and cyclic operation.…”

Section: Introductionmentioning

confidence: 99%