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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.
The process of electrochlorination is a simple application based on the chloralkali process (in an unpartitioned cell). It is the electrolysis of saltwater to produce a chlorinated solution. The first step is removing any solids from the saltwater. Next, the saltwater streams through an electrolyzer cell's channel of decreasing thickness.
Hooker licensed his diaphragm cell technology to other chloralkali producers. [1] In 1918, Hooker formed a company to hydrogenate vegetable oils, while Hooker Chemical also began producing sulfur chloride and sodium chlorate. [1] In 1922, Hooker bought the S. Wander & Sons Company for the retail sales of lye and chlorinated lime.
This article needs to be updated.The reason given is: This is a historical article, primarily based on the Encyclopædia Britannica Eleventh Edition.Information on more recent methods should be integrated from Sodium hydroxide#Production, Chloralkali process, and others, to make this a workable overview of all the historical and modern methods.
English: Membrane chloralkali process. At the anode (A), chloride (Cl-) is oxidized to chlorine.The ion-selective membrane (B) allows the counterion Na+ to freely flow across, but prevents anions such as hydroxide (OH-) and chloride from diffusing across.
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A diagram showing the chloralkali process, a major industry expected to be worth over $80 billion globally by 2017. At the anode (A), chloride (Cl-) is oxidized to chlorine. The ion-selective membrane (B) allows the counterion sodium (Na+) to freely flow across, but prevents anions such as hydroxide (OH-) and