一种回收在煤的精制中需要的有机溶剂的方法，包括以下步骤：在原料制备单元中供给溶剂、共溶剂和煤，以充分地混合形成浆料；
A method of recovery of organic solvents required in refining of coal comprising of following steps: feeding solvent, co-solvent and coal in the feed preparation unit to form slurry.
摘要 ： 以兴安落叶松锯末为主要提取原料，柱层析为基础单元建立了花旗松素的制备工艺。
Abstract : In this study, Larix gmelini sawdust was used as raw material for the purification of taxfolin with column process as the basic unit.
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