Improvements in or relating to the Treatment of Gas Liquors.

Abstract

6272. Koppers, H. March 25. Distilling ammoniacal liquors.-The liquors are distilled as usual to obtain the free ammonia, and a portion of the liquor left is withdrawn for use in the ammonia washers instead of using fresh water. To the remainder of the liquor, the lime necessary for separating the bound ammonia is added in the form of a pulp, instead of as lime milk.

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    DE-922908-CJanuary 27, 1955F J Collin Ag Zur Verwertung VVerfahren zur mittelbaren Gewinnung von Ammoniak und Ammoniak-verbindungen aus Brennstoffgasen