Specification of Ludwig Mond & James Hargreaves : manufacture of chlorine.

  • Mond, Ludwig.
Date:
1870
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Ludwig Mond & James Hargreaves : manufacture of chlorine. Source: Wellcome Collection.

    4/4 (page 2)
    Specification. Mond §r Margreowes’ Improvements in the Manufacture of Chlorine. of air; or by passing, forcing, or drawing hydrochloric acid gas and aii, which may lie previously heated simultaneously or alternately over, through, or amongst the chromate of magnesia contained in any suitable vessel or tower and kept at a proper temperature; or instead of using chromate of magnesia in the manner aforesaid, we use a mixture of 5 oxide of chromium or chloride of chromium with magnesia or chloride of magnesium. We prefer to use magnesia or chloride of magnesium as the base in combination with chromic acid, oxide of chromium, or chloride of chromium, and for brevity we have only mentioned mag- nesia and chloride of magnesium as the bases to be used, but we wish 10 it to be understood that we do not confine ourselves thereto, inasmuch as other bases, such as the alkalies, alkaline earths, and alumina, or the corresponding chlorides may also be used or any mixture of them.’ LONDON: Printed by George Edward Eyre and William Spottiswoode Printers to the Queen's most Excellent Majesty. 1870.