单向切向流过滤原理及应用
<div style="max-width:677px;overflow:hidden;"><section style="box-sizing: border-box;font-style: normal;font-weight: 400;text-align: justify;font-size: 16px;"><section style="font-size: 13px;color: rgb(160, 160, 160);box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;"><br></p></section><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="margin: 10px 0px;text-align: left;justify-content: flex-start;display: flex;flex-flow: row nowrap;box-sizing: border-box;"><section style="display: inline-block;width: 100%;vertical-align: top;background-color: rgba(169, 207, 245, 0.1);padding: 24px 17px 17px;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="box-sizing: border-box;" powered-by="xiumi.us"><section style="display: flex;flex-flow: row nowrap;margin: 0px;justify-content: flex-start;box-sizing: border-box;"><section style="display: inline-block;vertical-align: bottom;width: auto;flex: 0 0 0%;height: auto;align-self: flex-end;margin: 0px 4px 0px 0px;box-sizing: border-box;"><section><svg viewBox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section><section style="display: inline-block;vertical-align: bottom;width: auto;flex: 0 0 0%;height: auto;align-self: flex-end;box-sizing: border-box;"><section><svg viewBox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section><section style="display: inline-block;vertical-align: bottom;width: auto;border-bottom: 0px solid rgb(169, 207, 245);border-bottom-right-radius: 0px;flex: 100 100 0%;align-self: flex-end;height: auto;padding: 0px;margin: 0px;box-sizing: border-box;"><section style="text-align: justify;color: rgb(69, 21, 136);font-size: 17px;line-height: 1.8;box-sizing: border-box;" powered-by="xiumi.us"><p style="text-indent: 2em;white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;">在生物制药领域中，切向流过滤被广泛应用于样品的浓缩，缓冲液的置换以及杂质的去除。按照超滤膜包的串并联使用方法不同，切向流过滤分为批次切向流过滤和单向切向流过滤。其中单向切向流过滤是把膜包或者膜包组串联起来，工艺过程中，料液由进料端进入系统，不返回过程罐直接从回流端流出即完成对料液的浓缩。由于料液的流动是单向不回流的，因此这种方式被称为单向切向流过滤（简写为SP TFF）。**** Hidden Message *****</section></section></section></section></section></section></section></section>
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