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This disrupted the English silk and wool trades [19] and an act of parliament, the Encouragement of Manufactures Act 1698 (11 Will. 3. c. 10), was passed that prohibited the wearing of printed calicos manufactured in China, India or Persia. [20] This inadvertently established a calico bleaching and printing industry using unbleached Indian calico.
The chloralkali process (also chlor-alkali and chlor alkali) is an industrial process for the electrolysis of sodium chloride (NaCl) solutions. It is the technology used to produce chlorine and sodium hydroxide (caustic soda), [1] which are commodity chemicals required by industry.
Chlorine can be manufactured by the electrolysis of a sodium chloride solution , which is known as the Chloralkali process. The production of chlorine results in the co-products caustic soda (sodium hydroxide, NaOH) and hydrogen gas (H 2). These two products, as well as chlorine itself, are highly reactive.
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Chlorine is a chemical element; it has symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Chlorine is a yellow-green gas at room temperature.
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Elemental chlorine bleaching uses chlorine and hypochlorite. Elemental chlorine-free bleaching is more environmentally friendly since it eliminates the use of hypochlorite and replaces chlorine with chlorine dioxide or sodium chlorate. [3] Totally chlorine-free bleaching utilizes oxygen and hydrogen peroxide. This is the most environmentally ...
Metal chlorates can be prepared by adding chlorine to hot metal hydroxides like KOH: 3 Cl 2 + 6 KOH → 5 KCl + KClO 3 + 3 H 2 O. In this reaction, chlorine undergoes disproportionation, both reduction and oxidation. Chlorine, oxidation number 0, forms chloride (Cl −; oxidation number −1) and chlorate(V) (ClO − 3; oxidation number +5