Electrolysis

NaClO

Chemical formula: NaClO, molecular weight: 74.44 g/mol.

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CaCl₂

Natriumhypochlorit, unter der Summenformel NaClO bekannt, ist eine anorganische chemische Verbindung, die in reiner fester Form bereits bei Temperaturen unter 0 °C stabil ist und sich bei Raumluft sehr schnell zersetzt – deswegen wird es fast ausschließlich als wässrige, schwach alkalische Lösung gehandhabt und verwendet. Die im Haushalt weitverbreitete Bleich- und Desinfektionslösung besteht üblicherweise zu 3 bis 6 Prozent aus NaClO, ihre desinfizierende und bleichende Wirkung entfaltet sie, indem sie oxidierend auf organische Farbstoffe sowie die Eiweißhüllen von Bakterien, Viren und Pilzen einwirkt und diese Strukturen unbrauchbar macht. Neben dem Haushaltsgebrauch wird NaClO in höher konzentrierter Form auch für die Trinkwasseraufbereitung in dezentralen Anlagen, in Schwimmbädern sowie für die Reinigung von industriellen Abwässern eingesetzt, da es im Vergleich zu elementarem Chlor deutlich sicherer zu lagern und zu transportieren ist. Dennoch ist bei der Nutzung unbedingt Vorsicht geboten: Das Mischen von NaClO-Lösungen mit sauren Reinigern wie Essig oder klassischen Sanitärreinigern erzeugt giftiges, aggressives Chlorgas, das bereits in geringer Konzentration Atemwege und Schleimhäute stark reizt und bei höheren Dosen sogar lebensgefährlich sein kann.

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TiCl₄

The main raw materials for titanium tetrachloride production include natural rutile, synthetic rutile, and high-titanium slag.

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EDC

The 1,2-dichloroethane (1,2-EDC) synthesis technology adopts the ethylene oxychlorination process for producing 1,2-EDC, which is the mainstream, mature, safe and controllable process in China's PVC industry. This process uses ethylene, hydrogen chloride and oxygen as raw materials and copper chloride as the catalyst. The reaction takes place in a fluidized bed reactor to produce 1,2-EDC. This process has the advantages of high conversion, few by-products, low raw material consumption, high product purity and stable operation, and is the preferred process for industrial-scale production of high-purity 1,2-EDC.

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VCM

This plant adopts the balanced ethylene oxychlorination process for vinyl chloride production, comprising the following units: direct chlorination, oxychlorination, EDC purification, EDC cracking, and VCM purification.

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PVC

Suspension polymerization technology is adopted for the production of general-purpose PVC resin. This method uses water as the dispersion medium, with VCM droplets undergoing suspension polymerization, and employs an oil-soluble initiator and dispersant system. It is the mainstream industrial production method, accounting for over 80% of global production capacity. The process is mature, reliable, and suitable for large-scale production. It can produce both porous and compact resin grades with adjustable porosity, low raw material consumption, and low overall production cost. The products are mainly used in pipes, profiles, rigid sheets, injection molding, and general-purpose flexible cable compounds.

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