Back in 1799, Scottish chemist Charles Tennant patented a lime powder that was manufactured by treating lime with water and spreading it thinly over a concrete floor.  Food/Drink> This page was last edited on 21 February 2021, at 19:44.     Airline Services> TENNANT, CHARLES (1768–1838), manufacturing chemist, born on 3 May 1768 at Ochiltree, Ayrshire, was son of John Tennant by his wife Margaret McLure. Further losses came from challenges to the patents in England and Ireland and the outright infringement of the process.  Castles> With the chemist Charles Macintosh (1766–1843) he helped establish Scotland's first alum works at Hurlet, Renfrewshire. The huge chimney known as the St. Rollox Stalk aka Tennant's Stalk towered over everything.     Clan Societies> [6] The principal product being bleaching powder (calcium hypochlorite), which was sold worldwide. It had the same effect as chlorine and could be more easily handled and shipped, but it was unstable and contained a large proportion of inert material.  Flowers of Scotland>  Recipes> The St. Rollox plant grew to be the largest chemical works in the world during the 1830s and 1840s.     Cinema>  Feedback/Contact>  Scottish Myths & Legends> Another strong chlorine oxidant and bleach which he investigated and was the first to produce, potassium chlorate (KClO), is known as "Berthollet's Salt".      Art>     Central>  Scottish Forenames> In 1798 he took out a patent for a bleach liquor formed by passing chlorine into a mixture of lime and water.  Events> Tennant died at his home at Abercromby Place[8] in Glasgow on 1 October 1838.     Regiments> The people produced a chemical by combining a potassium solution with water, and called is “eau de Gavel [water of Gavel]” However, in 1799, a greater discovery to the bleaching industry was provided when a chloride of lime was introduced by Charles Tennant, … Scottish Inventions and Discoveries From 1825 until his death he was one of the prime movers in railway expansion. - Textile Bleaching - Charles Tennant (1768-1838) The system had not been designed to handle this volume. He started his own bleaching fields in Ayrshire and looked at the methods used for bleaching.     Accommodation> In bleach …in 1799 by Scottish chemist Charles Tennant, was thereafter produced in large quantity to bleach cloth and paper. A stain is essentially a chemical compound, and the addition of bleach breaks down the molecules into smaller elements so that it separates from the fabric. Tennant left his well paid weaving position to try to develop improved bleaching methods. The Tennant family were friends with the poet Robert Burns (1759–1796); in his epistle to "James Tennant of Glenconner" Tennant is mentioned as "wabster (Scots language: weaver) Charlie", in reference to the occupation Tennant had undertaken.[1][2][3]. Charles was the 9th of 16 children, and became a weaver in the village of Kilbarchan in Renfrewshire. Later, he was to become a social reformer, helping to create one of the most productive periods of social progress and reform in Scotland's history. He discovered bleaching powder and founded an industrial dynasty. His works needed large quantities of coal and as he was a good friend George Stephenson, the great railway engineer, Tennant was one of the prime movers in railway expansion. Detergent and the agitation of the washing machine speed up the cleani… Tennant's great discovery was bleaching powder (chloride of lime) for which he took a patent in 1799.  History Timeline> Charles Macintosh, an excellent chemist, was the fourth partner. Quiz> He discovered bleaching powder and founded a mighty industrial dynasty. This involved using wagons, pulled by a steam engine, on iron rails laid on a level roadbed.  Religion>  Bookstore> He plunged into a study of possible solutions to the problem. Charles Tennant (1768-1838) Scottish chemist and industrialist. He was mainly responsible for getting a railway into Glasgow. Charles Tennant (3 May 1768 – 1 October 1838) was a Scottish chemist and industrialist. In 1830 he started his younger sister Sarah's son, William Sloan, with some small schooners. The chemical business founded by Tennant became known as the United Alkali Company Ltd. and eventually merged with others in 1926 to form the chemical giant Imperial Chemical Industries. The will of Margaret Wilson (1766–1843) 1845 Glasgow Sheriff Court Wills ref: SC36/51/21.  Humour/Humor> At that time this involved treatment with stale urine and leaving the cloth exposed to sunlight for many months in so called bleachfield.  Scottish Banknotes> Charles continued to expand his horizons during this time. He built a factory at St Rollox in Glasgow and demand for his bleaching powder soared. Emma Tennant, now 60, has lived in west London since the mid-1970s. He worked for many years in the reform movement, but it was not until he reached the age of sixty-four that his effort bore fruit with the passage of the Reform Bill of 1832. Sir Charles Tennant, a grandson of the bleach inventor, was a Glasgow MP who was the father of Margot, Lady Asquith, and was created 1st Baronet in 1885. Outwith ICI and its successors the privately owned group, now Tennants Consolidated Ltd., continues with headquarters in London and chemicals, colours and distribution trade with every continent. He quickly realised this was the answer to his problem at St. Rollox. The first of these, Dr. William Couper, was the legal advisor to the partnership.

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