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Technology

Name: Dow Loop Solution
Owner: / Dow Incorporated
Brand: Solution PE Loop Process
Process: Polyethylene processes
Type: Solution Polymerization of Ethylene
Available
: The Dow Solution Polyethylene Loop Process is pertaining to an exothermic, non-adiabatic, substantially well-mixed, controlled flow solution polymerization process for making ethylene polymers including ethylene-propylene-diene monomer (EPDM) elastomers, ethylene-propylene (EP) elastomers, ethylene-styrene copolymers, ethylene/alpha-olefin interpolymers, and polyethylene.

The monomer is polymerized with a catalyst in a solvent in at least one reaction stream of at least one reactor. One especially suitable hydrocarbon solvent is Isopar™ E, a C₈-C₁₀ hydrocarbon which is commercially available from ExxonMobil Chemical & Specialties. The flow loop reactor is equipped with one or multiple mixers, typically static mixing elements, and one or more heat exchangers for polymerization heat removal.

Source: Che I. Kao et al., 1^st Apr 1997 (Priority Date), Publication Number EP0891381B1, Olefin solution polymerization, Assigned to Dow Chemical Co.
Link

System Info

Updated by: Kokel, Nicolas
Updated: 8/21/2024 6:26 AM
Added by: Braun (Sysadmin), Uwe
Added: 3/7/2022 4:30 PM

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Technology Picture

Simplified Block Flow Diagram of the Dow Loop Solution Process http://egon.cheme.cmu.edu/ewo/docs/Dow-A_2015_EWO_Jun_Shi.pdf

Technology Picture

Simplified Block Flow Diagram of the Dow Loop Solution Process http://egon.cheme.cmu.edu/ewo/docs/Dow-A_2015_EWO_Jun_Shi.pdf

	Title	Date
	Dow PE Solution Process updated with schematics	8/29/2022

Technology Unit
Additives Dosing
Catalyst Preparation
Degassing
Feedstock Purification
Loop Reactor
Pelletizer
Post-Reactor Unit

	Entity		Site (Country)		Asset (Plant)
	DOW Benelux		DOW Terneuzen		PE Solution Process
	Dow ULC Canada		Fort Saskatchewan		PE Assets
	Sadara		Sadara		LLDPE Train 1
	Sadara		Sadara		LLDPE Train 2
	Sadara		Sadara		POE/POP Train