Excerpt from Reports of the Progress of Applied Chemistry, Vol. 2: Issued by the Society of Chemical Industry
Perhaps in no department of activity has so much progress been made through the war as in chemical engineering. It is difficult and in many cases undesirable to give a complete account of the new developments that have taken place in the industry through the necessity of success in the war and freed from the factor of uncertain competition.
Continuous processes and plant have supplanted familiar discontinuous methods; new materials have come into general use, and improvements of local materials of all kinds have been made to meet the needs of the chemical engineer.
The best chemical stoneware was formerly obtained from Germany by chemical manufacturers all over the world. Several manufacturers in this country and in America now claim, with substantial reason, that their products have never been surpassed. Other makers are turning out chemical stoneware of satisfactory quality for the uses to which it may be put, but frankly admit that they are still on the road of improvement.
Perhaps it is more to be remarked that the designs of our manufacturers of pipes, condensers, injectors, cocks, etc., show a considerable advance on pre-war practice. The use of the diamond tool in producing true working faces in stoneware has made cocks and similar fittings of some makers more reliable than was formerly thought possible.
Silica ware, which had definitely established its position seven years ago, has continued to be of the greatest possible service in the production of pure acids. Closed cascade basins of this material are now used for the denitration of mixed acids.
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