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Methods and Controllers for Simulated Moving Bed Chromatography for Multicomponent Separation
Methods and Controllers for Simulated Moving Bed Chromatography for Multicomponent Separation
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机译:用于多组分分离的模拟移动床色谱的方法和控制器
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摘要
A method of separating a feed mixture in a simulated moving bed includes flowing fluid in a first flow configuration comprising: supplying the feed mixture downstream of a valve in a shut off position that stops fluid flow to a first column, removing a raffinate stream component, and supplying a remaining fluid flow to a second column; supplying a desorbent to a third column and removing an extract stream downstream; and passing a remaining liquid flow through a fourth column, and removing an intermediate stream. The method includes flowing fluid in a second flow configuration in which the valve is in a position that permits fluid flow to the first column, and supplying a desorbent and removing an extract stream downstream from the column to which the desorbent is supplied; and removing a raffinate stream. The method includes flowing fluid in a third flow configuration in which the liquid flows through the first, second, third and fourth columns in an absence of a supply of additional feed mixture and an absence of a supply of additional desorbent to the liquid flow.
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