Information about polyolefins

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  • Typical processes


Typical processes-polyolefins.jpg


  • Polyolefins Flowsheet


  • LDPE:


LDPE.jpg


  • HDPE:


a) Suspension processes: stirred tank reactor


HDPE.jpg


b) Suspension processes: loop reactor processes


HDPE2.jpg


c) Gas phase processes


HDPE3.jpg


d) Combined suspension/gas phase processes


HDPE4.jpg


  • LLDPE:

Solution process


Solution process.jpg


  • PP:


a) Suspension process


Suspension process-polyolefins.jpg


b) Suspension processes: Shperipol process


PP2.jpg


c) Gas phase processes: fluidized bed reactor


PP3.jpg


d) Gas phase processes: vertical reactor


PP4.jpg


e) Gas phase processes: horizontal reactor


PP5.jpg

LITERATURE: BREF on Polymers, Oct. 2006


  • Benchmarks


  • LDPE:


LDPE-polyolefins.jpg

Emission and consumption data of LDPE plants


LDPE2-polyolefins.jpg

Emission and consumption data per tonne of EVA copolymer (ethylene-vinylacetate copolymer (EVA))


  • HDPE:


HDPE-polyolefins.jpg

Emission and consumption data of HDPE plants


  • LLDPE:


LLDPE-polyolefins.jpg

Emission and consumption data of LLDPE plants


LLDPE-polyolefins2.jpg

BAT associated emission and consumption levels (BAT AEL) for the production of LLDPE

LITERATURE: BREF on Polymers, Oct. 2006


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