Mondn.
/mɒnd/, U.S. /mɑnd/ attributive. Designating industrial processes devised by Ludwig Mond and the plant and products of these processes, esp.: (a) a method of manufacturing producer gas by passing air and an excess of steam into a gas producer so that most of the nitrogen of the coal is converted into ammonia and can be recovered; (b) a process for obtaining high-purity nickel by thermal decomposition of volatile nickel carbonyl obtained from crude nickel oxide by reduction with hydrogen followed by reaction with carbon monoxide.
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Leblanc1880
Mond1887
Moebius process1902
Verneuil1912
Lurgi1934
1870 Nature 15 Sept. 408/2 The Section will have the advantage of seeing Mond's process at work at Messrs. Hutchinson.]
1887 Encycl. Brit. XXII. 244/1 The Mond process, of all the many sulphur-recovery processes yet introduced, is the best.
1903 Jrnl. Franklin Inst. 155 390 The success of the Mond nickel process, as carried on in England, has been seriously hindered by the discovery that the process is dangerous to the health of the men employed.
1907 E. L. Rhead Metall. (new ed.) vi. 76 Mond gas is generated by passing into the producer air containing the maximum amount of water vapour that the heat produced is capable of decomposing.
1936 W. A. Bone & G. W. Himus Coal xxiv. 424 The trades using Mond Gas are diverse, including..manufacture of motor cars and component parts, foundries.., chemical works, [etc.].
1947 G. W. Himus Elem. Fuel Technol. xv. 324 A number of Mond plants were installed and found to be economic.
1969 H. T. Evans tr. G. Hägg Gen. & Inorg. Chem. xxxiv. 727 In the so-called Mond process a very fine powder is desired, and the reduction is done with water gas at 350–400°C.
1981 J. W. Buttle et al. Chem. (ed. 4) xv. 357 Nickel obtained in like manner is then usually purified by the Mond process.
This entry has been updated (OED Third Edition, September 2002; most recently modified version published online March 2022).
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n.1887