What is oxychlorination process?
In organic chemistry, oxychlorination is a process for making C-Cl bonds. In contrast with direct use of Cl2, oxychlorination uses hydrogen chloride in combination with oxygen. This process is attractive industrially because hydrogen chloride is less expensive than chlorine.
How do you make a VCM?
There are two methods to produce VCM: direct chlorination and oxychlorination. Direct chlorination sees ethylene and chlorine react within a catalyst-containing reactor to form EDC. EDC is then thermally cracked to yield VCM at a few hundred degrees Celsius.
What is direct chlorination?
The direct chlorination process involves a liquid phase reaction of ethylene and chlorine using an FeCl3 catalyst. This exothermic reaction is controlled by mass transfer and can be operated either at low temperature (for low byproduct generation) or high temperature (in order to recycle heat).
What is polymer of vinyl chloride?
Polyvinyl chloride (PVC) is a synthetic resin made from the polymerization of vinyl chloride. PVC is a commonly used polymer that finds applications in a variety of products due to its excellent properties and low cost.
Is ethylene dichloride a hydrocarbon?
The chemical compound 1,2-dichloroethane, commonly known as ethylene dichloride (EDC), is a chlorinated hydrocarbon, mainly used to produce vinyl chloride monomer (VCM, chloroethene), the major precursor for PVC production. It is a colorless liquid with a chloroform-like odor.
What’s ethylene used for?
Medical: Ethylene is used as an anaesthetic. Metal Fabrication: Ethylene is used as oxy-fuel gas in metal cutting, welding and high velocity thermal spraying. Refining: Ethylene is used as refrigerant, especially in LNG liquefaction plants. Rubber & Plastics: Ethylene is used in the extraction of rubber.
What is the formula of vinyl chloride?
C2H3ClVinyl chloride / Formula
What does UPVC stand for?
unplasticized polyvinyl chloride
UPVC refers to unplasticized polyvinyl chloride. As the name suggests, it does not contain phthalates or BPA, rendering a safe product for the environment while still maintaining the benefits of a vinyl window frame.
Which solvent is used in scrubber during the manufacturing of EDC?
ETHYLENE DICHLORIDE USES EDC has been used as a solvent in the textile, metal cleaning and adhesive industries.
What is EDC manufacturing?
ETHYLENE DICHLORIDE PRODUCTION. Ethylene dichloride (EDC) Is produced from ethylene and chlorine by direct chlorination, and from ethylene and hydrogen chloride (HCl) by oxychlorination. At most production facilities, these processes are used together in what is known as the balanced process.
What is the name of c2 h4 cl2?
Ethene;dichloride | C2H4Cl2-2 – PubChem.
What is a C2 splitter?
Ethylene and propylene fractionators (also known as C2 and C3 splitters) are used to separate ethane and ethylene or propane and propylene. These columns often require a large number of stages to achieve the desired separation and can contain 100 to 200-plus trays.
What is the action of ICL on ethylene?
Explanation: The ICl3, as it is formed, volatilizes and condenses almost entirely in B, only a small portion escaping into flask 2. Chlorine is passed until no more iodine remains in bulb A. If the heating is omitted, only the outermost layers of iodine are converted into the trichloride, a kernel remaining unacted on.
How do you make vinyl chloride from ethylene?
The major industrial preparation of vinyl chloride begins with ethylene and has two variants. In one, ethylene is converted to 1,2-dichloroethane (ethylene chloride) by reaction with chlorine. Heating 1,2-dichloroethane in the presence of a charcoal catalyst gives vinyl chloride.
What is the U in uPVC?
What is PVCu? PVCu or Poly Vinyl Chloride is a common, lightweight and robust type of plastic used consumer goods. The “u” stands for un-plasticised, meaning the plastic is not softened during manufacture, retaining its strength.