Double-column recycling chromatographic system

A cyclic chromatography and chromatographic column technology, which is applied in chemical instruments and methods, separation methods, solid adsorbent liquid separation, etc. problems such as low efficiency, to achieve the effect of improving the sample separation rate, increasing the adsorption capacity, high yield and high purity

Active Publication Date: 2013-06-19
LISUI TECH SUZHOU
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Problems solved by technology

[0002] Both the traditional adsorption chromatography system and the preparative chromatography system are single-column used alone, which cannot realize the cyclic adsorption and continuous preparation of chromatography, the efficiency of adsorption and preparative chromatography is low, and the eluting solution consumes a lot during the production process

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Embodiment Construction

[0023] The present invention is described in detail below in conjunction with accompanying drawing and specific embodiment: as Figure 1 to Figure 15 As shown, the thick solid line in the figure represents the passage, and the thin solid line represents the non-passage. A dual-column circulation chromatographic system includes a first elution pump 1, a second elution pump 2 and a sample loading pump 11. The first Both the elution pump 1 and the second elution pump 2 are connected to the first six-position three-way valve 3, the first six-position three-way valve 3 is connected to the first one-way six-position valve 4 and the second one-way six-position valve 6, and the first six-position three-way valve 3 is connected to the first one-way six-position valve 4 and the second one-way six-position valve 6. The one-to-one six-position valve 4 and the second one-to-six-position valve 6 are respectively connected to the first chromatographic column 7 and the second chromatographic c...

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Abstract

The invention relates to a double-column recycling chromatographic system. The double-column recycling chromatographic system comprises a first eluting pump, a second eluting pump and a sampling pump, wherein the first eluting pump and the second eluting pump are respectively connected with a first six-position three-way valve which is connected with a first one-way six-position valve and a second one-way six-position valve; the first one-way six-position valve and the second one-way six-position valve are respectively connected with a first chromatographic column and a second chromatographic column; the first chromatographic column and the second chromatographic column are also respectively connected with a first ultraviolet detector and a second ultraviolet detector. The double-column recycling chromatographic system has the advantages that the sample separating rate is increased, and the absorbing amount of adsorbing columns is increased by 30-50% compared with the traditional chromatographic system; and for separation of difficultly-separated samples, the components without being separated can be absorbed and desorbed for multiple times by multi-time circulation, so that substances which are separated in a difficult manner are separated easily, and further the yield and the purity reach higher level.

Description

technical field [0001] The invention relates to chromatographic systems in industries such as chemical industry, pharmacy, and natural product purification, in particular to a double-column circulation chromatographic system. Background technique [0002] Both the traditional adsorption chromatography system and the preparative chromatography system are single-column used alone, which cannot realize the cyclic adsorption and continuous preparation of chromatography, the efficiency of adsorption and preparative chromatography is low, and the consumption of eluting solution is large during the production process. Contents of the invention [0003] In order to overcome the above-mentioned defects, the present invention provides a dual-column circulation chromatography system, which realizes continuous adsorption and preparation chromatography in circulation, greatly improves work efficiency and reduces the consumption of eluting solution. [0004] The technical solution adop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D15/10
Inventor 周胜王勇鲁海波刘红萍
Owner LISUI TECH SUZHOU
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