PVC原版英文资料.pdf

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Field Applications HCP-8c
VCM/PVC Process
VCM Process PVC Process: Suspension Polymerization
DI Water/
VCM Feed Suspending Agents
Accusep™ Nexis T 10 μm 1
VCM
Backwash 1
2 Tank
Filter Catalyst
Fractionating
VCM Polymerization
Tower VCM 11 1
Feed Recovery Reactor
Nexis T 10 μm Nexis T 10 μm
EDC Cracking 11 Surge Tank
Quencher VCM
Ethylene DiChloride Furnace Tank
Stripper
Water
Centrifuge
1
Microza®
Ultra Filter 31 Nexis T 10 μm
Dryer
PVC Product
Screening
Packaging
Production Process Filter mendations
Almost all Vinyl Chloride Monomer (VCM) produced is used in 1 ing VCM is filtered prior to shipment to a PVC plant.
manufacturing of Polyvinyl Chloride (PVC) resins. PVC is used However, in a typical PVC plant the VCM is pumped to a
in the building1 and construction industry, consumer goods and storage tank before being fed into the polymerization reactor.
packaging. Filtration plays an important part in the VCM/PVC It is mended that the raw materials, VCM1, catalyst,
process as it has a direct1 affect upon process yield, process . water/suspending agents be filtered to guard against
efficiency and product quality, and also helps minimize operator impurities being introduced into the reactor. Contaminants
exposure to hazardous VCM. can lower conversion rates, effect p