Chemical engineering progress symposium series abstracts

The Chemical Engineering Progress Symposium Series is composed of papers on specific subjects conveniently bound in individual books, which are published at intervals. The books are 8 1/2 by 11 inches, paper covered, and cost $3.50 to members, $15.00 to nonmembers for “Petrochemicals and Petroleum Refining,” No. 34. They may be ordered from the Secretary's Office, the American Institute of Chemical Engineers, 345 East 47 Street, New York 17, New York. The A.I.Ch.E. Journal will publish, from time to time, abstracts of the articles appearing in the Symposium Series volumes. Recently published volumes are abstracted below.