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Surface sura ecu game phoneky5/4/2023 His powder was made by reacting chlorine with dry slaked lime and proved to be a cheap and successful product. Sulfuric acid began to be used as a more efficient agent as well as lime by the middle of the century, but it was the discovery of bleaching powder by Charles Tennant that spurred the creation of the first great chemical industrial enterprise. Rollox Chemical Works in 1831, then the biggest chemical enterprise in the world. John Roebuck and Samuel Garbett were the first to establish a large-scale factory in Prestonpans, Scotland, in 1749, which used leaden condensing chambers for the manufacture of sulfuric acid. It was the first practical production of sulphuric acid on a large scale. In 1736, the pharmacist Joshua Ward developed a process for its production that involved heating saltpeter, allowing the sulfur to oxidize and combine with water. The plastics industry contains some overlap, as some chemical companies produce plastics as well as chemicals.Īs of 2018, the chemical industry comprises approximately 15 of the US manufacturing economic sector.
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