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Ethylene is ranked as one of the top 5 product to produce by chemical industries world wide. Ethylene is manufactured from naphtha and LPG gas petroleum + reactions. This process is used to produced ethylene and small chains of hydrocarbons
In the catalytic process the heavy crude oil vapour is combined with a hot catalyst composed of powerful Zeolite (Aluminium silicate) with high interred surface area due to cavities and turmoils
Product
Formula
Use
Polyethylene
(CH2)n
Plastic
Ethylene oxide
(CH2)2O
Steriliser
Ethanol
C2H5OH
Disinfectant
Ethanoic acid
CH3COOH
Food preservative
Pages 1 of 26
Chemistry Notes Daniel le Production of Materials
Dot 3: Identify the ethene serves as a monomer from which polymers are made
There are two forms of polyethylene Low density polyethylene (LDPE) and High density Polyethylene (HDPE)
(LDPE) An organic peroxide initiator forms radicals which inciades the polymerisation reactions this is done at a high temperature and pressure (1000-3000ATM) & 300 °C
The high temperature and pressure of high environments give monomers molecules high kinetics energy...
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