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Adsorptive Water Removal from Organic Solvents in the ppm‐Region
Highly pure organic solvents gain more and more importance in optical, electronical, pharmaceutical and chemical industry. In this context the removal of water in the lower ppm‐ and ppb‐range is a major challenge since water is always present, e. g., air humidity, and leads to catalyst poisoning and undesired side reactions. One technique to remove water is by adsorption on zeolites, silica gels or aluminas. Despite single technical solutions already existing, systematic measurements of influencing parameters are still missing. The research project adresses the adsorption of water from different organic solvents. In the following experiments with linear primary alcohols and acetic acid esters are discussed as these solvents are often used in industry in low water content qualities.
Adsorptive Water Removal from Organic Solvents in the ppm‐Region
Highly pure organic solvents gain more and more importance in optical, electronical, pharmaceutical and chemical industry. In this context the removal of water in the lower ppm‐ and ppb‐range is a major challenge since water is always present, e. g., air humidity, and leads to catalyst poisoning and undesired side reactions. One technique to remove water is by adsorption on zeolites, silica gels or aluminas. Despite single technical solutions already existing, systematic measurements of influencing parameters are still missing. The research project adresses the adsorption of water from different organic solvents. In the following experiments with linear primary alcohols and acetic acid esters are discussed as these solvents are often used in industry in low water content qualities.
Adsorptive Water Removal from Organic Solvents in the ppm‐Region
Pahl, Christoph (author) / Pasel, Christoph (author) / Luckas, Michael (author) / Bathen, Dieter (author)
Chemie Ingenieur Technik ; 83 ; 177-182
2011-01-01
6 pages
Article (Journal)
Electronic Resource
English
Water , Adsorption , Solvent , Zeolite
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