Multi-compartment reactor and method for controlling retention time in a multi-compartment reactor
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United States of America Patent
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Nov 28, 2017
Grant Date -
Feb 19, 2015
app pub date -
Aug 21, 2013
filing date -
Aug 15, 2013
priority date (Note) -
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Abstract
A method is disclosed for controlling retention time in a reactor, such as an autoclave, having a plurality of compartments separated by dividers with underflow openings. A retention time of the reaction mixture is calculated and compared with an optimal retention time, and the volumes of the reaction mixture in the compartments are adjusted while maintaining the flow rate of the reaction mixture, so as to change the retention time to a value which is closer to the optimal retention time. The reactor may include a level sensor in the last compartment for generating volume data; a control valve for controlling the liquid level in the last compartment; and a controller which receives volume data from the level sensor and controls operation of the control valve.
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