INDUSTRIAL A N D ENGINEERING CHEMISTRY PUBLISHED BY T H E AMERICAN CHEMICAL SOCIETY W A L T E R J. M U R P H Y , EDITOR
ANALYTICAL CONTROL FOR AMMONIA SYNTHESIS r d ( h i t rol for -\nimonia Syn t Iiesis“, prepared by Harl H. Brown and co-workers at Tennessee Valley Authority, JVilson Dam, Ala. I n these we have an excellent representation of development and application in this type of analysis for control of an important industrial process. Further, to illustrate tlie co11)t,iitional approach of Ilit> analyst in the determination of a specific compound a i i d t lie compromises needed to develop a procedure for ( wtinuous recording, two articles on determining r i i r t l i ) ] bromide in air follow irntncdiately aftrr the group of W \ * ( ’ I l . 1,. T, €1 \I.I.I I I . 1 wiciutr Editor
Control Requirements in the
TVA
EARL H. BROWN A N D MAURICE M. FELGER’ The analytical control requirements for the TVA synthetic ammonia plant are given. A description of the control laboratory and a flow sheet of the process showing the sample points are also included, with a table describing the samples analyzed, constituents determined, methods used, and frequency of determinations.
Plant
