Biographical entry Ashcroft, Edgar Arthur (1864 - 1938)
- 5 September 1864
Sunderland, Durham, England
- 24 August 1938
Polton, Mid-Lothian, Scotland
- Electrical engineer, Inventor, Mechanical engineer and Metallurgist
Edgar Arthur Ashcroft was an inventor, engineer and metallurgist.
In 1894, while employed at Broken Hill Proprietary Ltd., he patented a process for the extraction of zinc from refractory sulphide ores using electrolysis.
In 1895 The Sulphide Corporation Ltd bought the rights to Ashcroft's process.
In consultation with Ashcroft, the Sulphide Corporation Ltd constructed the first electrolytic zinc works in 1897 at Cockle Creek, New South Wales.
- c. 1890 - 1894
- Career position - Electrician and metallurgist with Broken Hill Proprietary Ltd (BHP)
- Career event - Invented a steam generator that used hot slag
- Career event - Patented the Ashcroft Process - electrolytic process that recovers zinc from refractory sulphide ores
- Career event - The Sulphide Corporation Ltd purchased the Ashcroft Process
- 1895 - 1897
- Career position - Councillor of the Australasian Institute of Mining Engineers
- Turner, J. W., 'Ashcroft, Edgar Arthur (1864-1938), electrical engineer and metallurgist', in Bede Nairn and Geoffrey Serle (eds), Australian Dictionary of Biography, vol. 7, Melbourne University Press, Melbourne, 1979, p. 109. Also available at http://adb.anu.edu.au/biography/ashcroft-edgar-arthur-5067. Details
Created: 1 February 2012, Last modified: 3 October 2012