Importance

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Abstract

A method and crystallizer for treating produced water through the steps of feeding produced water to a porous pipe in a chamber wherein the chamber is cylindrically shaped having an interior wall with a top and a bottom; feeding gaseous nitrogen to a nozzle present in the chamber, which is in fluid communication with an interior pipe; feeding the produced water to the interior pipe wherein slush is formed in the pipe and this slush is forced through the interior pipe to the top of the chamber; operating at least one scraper which is mounted circumferentially about the porous pipe and having arms that extend outwardly from the scraper center in contact with the interior wall of the chamber wherein the scraper will remove salt crystals from the interior walls of the chamber; recovering salt crystals from the bottom of the chamber; and recovering fresh water from the chamber.

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First Claim