Abstract
THE promised second volume of the translation of Prof. G. Franke's work on briquetting has now appeared, dealing with the briquetting of materials other than fuels. These materials are, first and foremost, iron-ore, to which the greater part of the work is necessarily devoted; next flue-dust and certain other metallurgical by-products; and, finally, metallic borings and turnings, which the translator is pleased to designate " swarf.'' The work is distinguished by the same amount of careful detail, particularly in the description of the mechanical appliances, that characterised the first part, but it is evident that the author has not the same practical familiarity with this portion of his subject as he displayed in dealing with fuel in his former volume. Much of his information is derived from current literature, and is neither so complete nor so accurate as it was in the case of coal. His handling of the important subject of the briquetting of iron-ores is far inferior, for example, to the" paper on the same subject read before the Iron and Steel Institute last autumn by Messrs. Barrett and Rogerson. For instance, the list of Swedish briquetting works given by the author refers only to the year 1906, and is now hopelessly out of date. Still worse is the total omission, of the entire group of modern sintering processes, such as the Dwight-Lloyd, Huntington-Heberlein, Greenawalt, etc., which are generally looked upon as the most promising of any of the methods hitherto devised for treating iron-ores. It cannot be denied that these defects rob the work of much of its value, though anyone desiring detailed accounts of the older methods will find them given very fully.
A Handbook of Briquetting.
By Prof. G. Franke. Translated by F. C. A. H. Lantsberry. Vol. ii., Briquetting of Ores, Metalfurgical Products, Metal Swarf, and Similar Materials, including Agglomeration. With Appendices. Pp. xi + 214. (London: C. Griffin and Co. Ltd., 1918.) Price 15s. net.
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Our Bookshelf. Nature 101, 403 (1918). https://doi.org/10.1038/101403a0
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DOI: https://doi.org/10.1038/101403a0