Verfahren zur Beseitigung der durch Kohlenwasserstoffe bedingten Schwierigkeiten bei der Gewinnung von Krypton und Xenon aus Luft durch Rektifikation

摘要

438,196. Separating gases by liquefaction. GES. FUR LINDE'S EISMACHINEN AKT.-GES., Hollriegelskreuth, near Munich, Germany. May 7, 1934, No. 13802. Convention date, May 13, 1933. Addition to 413,518. [Class 8 (ii)] The rectification of mixtures of oxygen with krypton and xenon according to the process of the parent Specification, viz. with periodical or continuous removal of accumulating hydrocarbons, is effected under a pressure at least 1À2 atmospheres absolute and preferably above 1À7 atmospheres absolute.