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Adsorptive Water Removal from Organic Solvents in the ppm‐Region
Author(s) -
Pahl Christoph,
Pasel Christoph,
Luckas Michael,
Bathen Dieter
Publication year - 2011
Publication title -
chemie ingenieur technik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.365
H-Index - 36
eISSN - 1522-2640
pISSN - 0009-286X
DOI - 10.1002/cite.201000168
Subject(s) - adsorption , acetic acid , context (archaeology) , chemistry , catalysis , humidity , chemical engineering , organic chemistry , environmental chemistry , engineering , paleontology , physics , biology , thermodynamics
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.