Systems with anti-fouling control and methods for controlling fouling within a channel of a plug flow crystallizer
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United States of America Patent
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Sep 8, 2020
Grant Date -
Nov 2, 2017
app pub date -
Apr 25, 2017
filing date -
Apr 29, 2016
priority date (Note) -
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Abstract
The invention generally relates to systems with anti-fouling control and methods for controlling fouling within a channel of a plug flow crystallizer. In certain aspects, the invention provides a system that includes a plug flow crystallizer having a channel, one or more heating/cooling elements, each operably associated with a different segment of the channel, and a controller. The controller is operably coupled to the one or more heating/cooling elements and configured to implement a temperature profile within the channel of the plug flow crystallizer that grows crystals in a plug of fluid that flows through a first segment of the channel and dissolves encrust in a second segment of the channel while having minimal impact on crystal growth in the plug of fluid in the second segment of the channel. In certain embodiments, these segments may be cyclically alternated, in that the segment in which crystal grows in one cycle becomes the segment in which crystal dissolves in the next cycle and vice versa, to realize a fully continuous crystallization process.
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