Salt removal and transport system for use in a monoethyleneglycol (MEG) reclamation process

A system for, and method of, recovering salt from a rich mono ethylene glycol MEG stream (23) includes a flash separator (20) having a desanding hydrocyclone (70) located in the hot MEG recycle loop (35) of the flash separator (20); a first solids fluidization device (40) located at the bottom end (...

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Bibliographic Details
Main Authors Sams, Gary W, Lee, Joseph Min-Hsiun
Format Patent
LanguageEnglish
Published 08.11.2018
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary:A system for, and method of, recovering salt from a rich mono ethylene glycol MEG stream (23) includes a flash separator (20) having a desanding hydrocyclone (70) located in the hot MEG recycle loop (35) of the flash separator (20); a first solids fluidization device (40) located at the bottom end (37) of the flash separator's brine column (29); a second desanding hydrocyclone (100) arranged to receive a salt slurry stream (53) created by the first solids fluidization device (40); and an accumulator (80) located downstream of the second desanding hydrocyclone (100) and having a second solids fluidization device (90) located at its bottom end. Each solids fluidization device (40, 90) includes means for causing the motive fluid to exit the device in a swirling motion to fluidize the salt components contained in the resident fluid. The overflow (103) from the second desanding hydrocyclone (100) is the motive fluid for the brine column (29) and a produced water, condensate water, or seawater stream is the motive fluid for the accumulator (80).
Bibliography:Application Number: AU20150277641