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1 Muspratt, James
SUBJECT AREA: Chemical technology[br]b. 12 August 1793 Dublin, Irelandd. 4 May 1886 Seaforth Hall, near Liverpool, England[br]British industrial chemist.[br]Educated in Dublin, Muspratt was apprenticed at the age of 14 to a wholesale chemist and druggist, with whom he remained for three or four years. Muspratt then went in search of the Napoleonic War and found it first in Spain and finally as Second Officer on a naval vessel. Finding the life unpleasantly harsh, he left his ship off Swansea and returned to Dublin around 1814. Soon afterwards, he received an inheritance, much reduced and delayed by litigation in Chancery. He began manufacturing chemicals in a small way and from 1818 set up as a manufacturer of prussiate of potash. In 1823, Muspratt took advantage of the removal of the salt tax to establish the first plant in England for the largescale manufacture of soda by the Leblanc process. His first soda works was on the outskirts of Liverpool, but when this proved inadequate, he established a larger factory at St Helens, Lancashire, where the raw materials lay close at hand. This district has remained an important centre of the British chemical industry ever since. Although the plant was successful commercially, there were environmental problems. The equipment for condensing the hydrochloric acid gas produced were inadequate and this caused extensive damage to local vegetation, so that Muspratt had to contend with legal action lasting from 1832 to 1850. Eventually Muspratt moved his alkali manufacture to Widnes, which also became a great centre for the chemical industry.[br]Further ReadingObituary, 1886, Journal of the Society of Chemical Industry 5:314. J.F.Allen, 1890, Memoir of James Muspratt, London.LRD -
2 Chemical technology
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3 Solvay, Ernest
SUBJECT AREA: Chemical technology[br]b. 16 April 1838 Rebcq, near Brussels, Belgiumd. 26 May 1922 Brussels, Belgium[br]Belgian manufacturer, first successfully to produce soda by the ammonia-soda process.[br]From the beginning of the nineteenth century, soda had been manufactured by the Leblanc process. Important though it was, serious drawbacks had shown themselves early on. The worst was the noxious alkali waste left after the extraction of the soda, in such large quantities that two tons of waste were produced for one of soda. The first attempt to work out an alternative process was by the French scientist and engineer A.J. Fresnel, but it failed. The process consisted essentially of passing carbon dioxide into a solution of ammonia in brine (sodium chloride). The product, sodium bicarbonate, could easily be converted to soda by heating. For over half a century, practical difficulties, principally the volatility of the ammonia, dogged the process and a viable solution eluded successive chemists, including James Muspratt and William Deacon.Finally, Ernest Solvay and his brother Alfred tackled the problem, and in 1861 they filed a Belgian patent for improvements, notably the introduction of a carbonating tower, which made the process continuous. The first works were set up at Couillet in 1863, but four further years of hard work were still needed to overcome teething troubles. Once the Solvay ammonia-soda process was working well, it made rapid strides. It was introduced into Britain in 1872 under licence to Ludwig Mond and four years later Solvay opened the large Dombaske works in France.Solvay was a member of the Belgian Senate and a Minister of State. International institutes of physics, chemistry and sociology are named after him.[br]Further ReadingP.Heger and C.Lefebvre, 1919, La vie d'Ernest Solvay.Obituary, 1922, Ind. Eng. Chem.: 1,156.LRD -
4 Young, James
SUBJECT AREA: Chemical technology[br]b. 13 July 1811 Glasgow, Scotlandd. 13 May 1883 Wemyss Bay, Scotland[br]Scottish chemist and pioneer petroleum technologist.[br]Young's early education took place in the evenings, after the day's work in his father's joinery. From 1830 he studied chemistry at the evening classes in Glasgow given by the distinguished Scottish chemist Thomas Graham (1805–69) and soon afterwards became Graham's assistant. When Graham moved to University College London in 1837, Young accompanied him.From 1839 he was employed in the chemical industry, first with James Muspratt at St Helens, Lancashire, and from 1843 with Tennant \& Company in Manchester. In 1848 his attention was drawn to an oil seepage in a mine at Alfreton, Derbyshire, of some 300 gallons per day; he set up his own works there to extract an oil that could be used for lighting and lubrication. When this source of oil was exhausted, three years later, Young moved to Lothian in Scotland. By distillation, he extracted oil from the oil-shale deposits there and thus founded the Scottish oil-shale industry: he obtained a high yield of paraffin oil for lighting and heating, and was a pioneer in the use of chemical methods in extracting and treating oil. In 1866 he disposed of his company for no less than £400,000. Young's other activities included measuring the speed of light by Fizeau's method and giving financial support to the expeditions of David Livingstone, who had been a fellow student in Glasgow.[br]Principal Honours and DistinctionsFRS 1873.Further ReadingObituary, 1884, Journal of the Chemical Society 45:630.LRD
См. также в других словарях:
Muspratt — is a surname and may refer to: Members of one family: James Muspratt, a chemical industrialist whose four sons who also worked in the chemical industry: James Sheridan Muspratt, who moved into academic chemistry Richard Muspratt, who was also a… … Wikipedia
Muspratt — ist der Name folgender Personen: James Muspratt (1793–1886), britischer Chemiker und Industrieller James Sheridan Muspratt (1821–1871), britischer Chemiker Diese Seite ist eine Begriffsklärung zur Unterscheidung mehrerer mi … Deutsch Wikipedia
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