Electric Smelting and Refining; The Extraction and Treatment of Metals by Means of the Electric Current. Being the 2D Ed. of "Elektro-Metallurgie."
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Home > Art, Film & Photography > Electric Smelting and Refining; The Extraction and Treatment of Metals by Means of the Electric Current. Being the 2D Ed. of "Elektro-Metallurgie."
Electric Smelting and Refining; The Extraction and Treatment of Metals by Means of the Electric Current. Being the 2D Ed. of "Elektro-Metallurgie."

Electric Smelting and Refining; The Extraction and Treatment of Metals by Means of the Electric Current. Being the 2D Ed. of "Elektro-Metallurgie."


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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1897 Excerpt: ...with a current density of 30 amperes per sq. metre 2-8 amperes per sq. ft. he recommends an aqueous solution of 15 per cent, of copper sulphate and 5 per cent, of sulphuric acid; or with 50 amperes per sq. metre 4 6 amperes per sq. ft., one of 20 per cent, of copper sulphate and 5'5 per cent, of sulphuric acid; whilst for bessemerised copper and a current of 60 amperes per sq. metre Hering, Berg-und Hlittenmannische Zeitung, 1893, vol. Hi., p. 53; from Hevue Industrielle, 1892, p. 24. t See Chapter on Silver. I C. Schnabel, Handbuch der Metallhiittenkunde, vol. i., 1894. 5-6 amperes per sq. ft. he prefers a bath containing 25 per cent, of the copper salt and 6 per cent, of the acid. The circulation of the solution from bath to bath is effected with the aid of siphons, which, however, afford no security for the uniform circulation of the electrolyte through the large baths themselves. The author, therefore, considers it unnecessary to enter into a discussion of the full details of the Thofehrn system. All the details of the process and apparatus have been employed by other inventors, and some have been given up again as unpractical. Those whose attention may have been directed to this process by the accounts published in the technical journals, and who are sufficiently interested in the matter, will find full particulars given by Hering (Joe. cit.). The chief recommendatory feature described in the account of the Thofehrn plant is the method of suspending the anodes, and this idea was borrowed from Moebius, as noted above. But see next paragraph. The Anaconda Copper Company's Installation under the Thofehrn System.--The Anaconda Copper Company who, a few years since, used the Hayden series process (see p. 209), have recently completed an installation of the ...


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Product Details
  • ISBN-13: 9781236465023
  • Publisher: Rarebooksclub.com
  • Publisher Imprint: Rarebooksclub.com
  • Height: 246 mm
  • No of Pages: 160
  • Spine Width: 9 mm
  • Width: 189 mm
  • ISBN-10: 1236465024
  • Publisher Date: 01 May 2012
  • Binding: Paperback
  • Language: English
  • Returnable: N
  • Weight: 299 gr


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Electric Smelting and Refining; The Extraction and Treatment of Metals by Means of the Electric Current. Being the 2D Ed. of "Elektro-Metallurgie."
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Electric Smelting and Refining; The Extraction and Treatment of Metals by Means of the Electric Current. Being the 2D Ed. of "Elektro-Metallurgie."
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