Contains the papers presented at a symposium which aimed to address and record changes in distillation and absorption and to discuss new directions. Topics covered include: column sequencing; equipment; batch distillation; azeotropic and extractive distillation; packed columns and more.

Excerpt from A Study of the System Ammonia-Water as a Basis for a Theory of the Solution of Gases in Liquids: Dissertation Submitted to the Board of University Studies of the John Hopkins University in Conformity With Requirements for the Degree of Doctor of Philosophy; June, 1921 Thus, for example, Roscoe and Dittmar differentiate clearly in their investigation between the absorption of hydrochloric acid gas and ammonia, since a current of air passed through an aqueous solution of hydrochloric acid can only remove gas up to a definite concentration while all the ammonia may be removed from an ammonia solution. This tendency to account for absorption of gases on the basis of physical and chemical properties had its first advocate in Th. Graham1 who in a very remarkable paper advanced the theory that gases were actually condensed when they were absorbed by a liquid, and that solutions of gases should be considered as binary liquid mixtures of the solvent and liquefied gas. To this view we shall return in the discussion of the results. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

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