Weldon process
The Weldon process is a process developed in 1866 by Walter Weldon for recovering manganese dioxide for re-use in chlorine manufacture. Commercial operations started at the Gamble works in St. Helens in 1869. The process is describe in considerable detailed in the book, The Alkali Industry, by J.R. Partington,D.Sc. The common method to manufacture chlorine at the time, was to react manganese dioxide (and related oxides) with hydrochloric acid to give chlorine: MnO2 + 4 HCl → MnCl2 + Cl2 + 2H2O 2 MnCl2 + 3 Ca(OH)2 + O2 → CaO·2MnO2 + 3 H2O + 2 CaCl2
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Weldon process
The Weldon process is a process developed in 1866 by Walter Weldon for recovering manganese dioxide for re-use in chlorine manufacture. Commercial operations started at the Gamble works in St. Helens in 1869. The process is describe in considerable detailed in the book, The Alkali Industry, by J.R. Partington,D.Sc. The common method to manufacture chlorine at the time, was to react manganese dioxide (and related oxides) with hydrochloric acid to give chlorine: MnO2 + 4 HCl → MnCl2 + Cl2 + 2H2O 2 MnCl2 + 3 Ca(OH)2 + O2 → CaO·2MnO2 + 3 H2O + 2 CaCl2
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El proceso de Weldon es un pro ...... go por el proceso Chloralkali.
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Il processo Weldon è un proces ...... rodotto per via elettrolitica.
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The Weldon process is a proces ...... er by the Chloralkali process.
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El proceso de Weldon es un pro ...... → CaO·2MnO2 + 3 H2O + 2 CaCl2
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Il processo Weldon è un proces ...... rodotto da scartare era CaCl2.
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The Weldon process is a proces ...... → CaO·2MnO2 + 3 H2O + 2 CaCl2
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Proceso de Weldon
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Processo Weldon
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Weldon process
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