A kind of using method of special resin for amino acid extraction

An amino acid and resin technology, applied in the resin field, can solve the problems of low adsorption efficiency, weakened adsorption capacity, and low service life of amino acids, and achieve the effect of convenient and reasonable operation and prolonging service life.

Active Publication Date: 2016-10-26
安徽皖东树脂科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing resins used for amino acid extraction, improper operation during normal use cannot give full play to the adsorption capacity of the resin used for amino acid extraction, resulting in low adsorption efficiency of the resin used for amino acid extraction, and it is easy to breed a large number of Bacteria generally undergo certain sterilization treatment, which can easily lead to low service life of amino acids and greatly weakened adsorption capacity

Method used

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Embodiment Construction

[0016] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0017] A method for using a special resin for amino acid extraction, comprising the following steps in sequence,

[0018] (7) Use dilute HCL with a concentration of 3.5% to flow through the resin dynamically at a speed of 5 m / h, and the amount of hydrochloric acid solution is at least 1.5 times the volume of the resin;

[0019] (8) After the hydrochloric acid is replaced, the pH value of the resin is cleaned to neutrality with soft water;

[0020] (9) Rinse the regenerant with soft water until the pH value of the resin effluent is 5.5, and then use it;

[0021] (10) normal operation, control the flow rate of the amino acid fermentation liquid, and require the amino acid fermentation liquid to stay in the resin column for the best 35 minutes;

[...

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Abstract

The invention relates to an application method of special resin for extracting amino acid, and relates to the technical field of resin. The application method is characterized by comprising the following steps in sequence: (1) enabling 3% to 4% dilute hydrochloric acid (HCL) to dynamically flow by resin at a flow rate of 5m / h, wherein the consumption of the hydrochloric acid solution is at least 1.5 times of the volume of the resin; (2) replacing the hydrochloric acid, then washing the resin by utilizing soft water until the pH value of the resin is neutral; (3) then washing a regenerative agent by utilizing soft water until the pH value of water discharged from the resin is 4 to 7, and then utilizing the resin; (4) running normally, controlling the flow rate of an amino acid fermenting solution, and controlling the retention time of the amino acid fermenting solution in a resin column at 30 to 40 minutes; (5) washing away free impurities by utilizing pure water or salty water resin; (6) washing amino acid in the resin by utilizing 5 to 8 ammonia water. The method is convenient and reasonable to operate, the adsorption capacity of the resin for extracting the amino acid can be sufficiently realized, and the service life can be prolonged.

Description

Technical field: [0001] The invention relates to the technical field of resins, in particular to a method for using a special resin for amino acid extraction. Background technique: [0002] Adsorption resin is a resin adsorbent characterized by adsorption and has a porous three-dimensional structure. It is a newly developed porous resin in the field of polymers in recent years. It is made of monomers such as styrene and divinylbenzene in the presence of organic solvents such as toluene. Small circles like fish roe are prepared by suspension copolymerization. ball. Adsorbent resins are often used in the fields of sewage treatment and extraction. The existing resins used for amino acid extraction, improper operation in the process of normal use can not give full play to the adsorption capacity of the resin used for amino acid extraction, resulting in low adsorption efficiency of the resin used for amino acid extraction, and it is easy to breed a large number of Bacteria gen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D15/08
Inventor 薛兆能薛兆形薛宇胡怀建
Owner 安徽皖东树脂科技有限公司
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