Purification of gases

Offline sample preparation Offline purification of gases Large sample size (mg)... 

Online sample preparation Purification of gases by GC column Small sample size (micrograms)... 

Collentro WV and Collentro AW, Purification of gases from water using reverse osmosis, US Patent 5,670,053, 1997. 

Specificity of large-volume purification of gases from harmful impurities, including SO2, defined a most acceptable physical form of the ion exdiange materials applied fibrous ion exchangers in the form of non-woven cloths. 

A. I. Vulikh et al.. Technical and Economical Requisites for Application of Ion-Exchange Sorbents in Purification of Gases, Ion Exchange and Chromatography, Voronezh, 1976, p. 260, GOST 10899-75. 

G. I. Nikandrov, Purification of Gases from Sulphur Anhydride by Ion-exchange Sorbents. Industrial and Sanitary Purification of Gases, 4(1975) 14. 

The methods used for the purification of liquids are generally applicable to the purification of gases also. The main differences are in the temperature range which is used and in the techniques used for transferring gases. The use of gases has become increasingly more im-... 

Frontal chromatography can also be called adsorptive filtration because it can be used for the purpose of filtration. The purification of gases and solvents are two classical applications of frontal chromatography. Another important use is the purification of proteins, where a frontal chromatography step is used in the initial purification procedure [2,3],... 

The intricacies of classification when compounded with language difiBculties are illustrated by the note imder subclass 6 (purification of gases and liquids), Not to be confounded with removal of dust for cleaning purposes XIV—6 (The French word poussiere means both powder and dust). ... 

In China, zeolites A and X were first synthesized in 1959, followed by the industrial production of zeolite Y and mordenite. With the development of the zeolite industry, zeolites were applied in many fields as well in China. In the 1950s, zeolites were mainly used in drying, separation, and purification of gases. Since the 1960s, zeolites have been widely used as catalysts and catalyst supports in petroleum refining. At present, zeolites have become the most important adsorbents and catalysts in the petroleum industry. 

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