Supercharge Your Innovation With Domain-Expert AI Agents!

A kind of crystallization method of l-lysine hydrochloride

A technology of lysine hydrochloride and crystallization, which is applied in the field of crystallization of L-lysine hydrochloride, can solve the problems of low crystallization yield and slow crystallization rate of L-lysine hydrochloride, and achieves The effect of increasing the crystallization yield and increasing the crystallization rate

Active Publication Date: 2022-06-28
上海泰坦科技股份有限公司
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] For the deficiencies in the prior art, the object of the present invention is to provide a kind of crystallization method of L-lysine hydrochloride, to solve the crystallization yield of L-lysine hydrochloride in the existing method is not high, the crystallization rate slower problem

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The present embodiment provides a crystallization method of L-lysine hydrochloride

[0038] The aqueous solution of L-lysine hydrochloride with a concentration of 65% was initially concentrated at 80 ° C, the concentration was concentrated to 80%, and then n-butanol, n-butanol and L-lysine at a temperature of 73 ° C were added. The volume ratio of the aqueous solution of hydrochloric acid salt is 1:7, and at the same time, the temperature is lowered to 15 ° C under the bubbling of saturated steam for 25 minutes, and air-dried with air at a temperature of 70 ° C after filtration to obtain L-lysine hydrochloride.

Embodiment 2

[0040] The present embodiment provides a crystallization method of L-lysine hydrochloride

[0041] The aqueous solution of L-lysine hydrochloride with a concentration of 70% was initially concentrated at 85 ° C, the concentration was concentrated to 85%, and then absolute ethanol, absolute ethanol and L-lysine were added at a temperature of 70 ° C. The volume ratio of the aqueous solution of hydrochloric acid salt is 1:8, and at the same time, the temperature is lowered to 10 ° C under the bubbling of saturated steam for 30 minutes, and air-dried with air at a temperature of 75 ° C after filtration to obtain L-lysine hydrochloride.

Embodiment 3

[0043] The present embodiment provides a crystallization method of L-lysine hydrochloride

[0044] The aqueous solution of L-lysine hydrochloride with a concentration of 60% was initially concentrated at 78 ° C, the concentration was concentrated to 75%, and then anhydrous methanol at a temperature of 75 ° C, anhydrous methanol and L-lysine were added. The volume ratio of the aqueous solution of hydrochloric acid salt is 1:4, and at the same time, the temperature is lowered to 20 ° C under the bubbling of saturated steam for 20 min, and air-dried with air at a temperature of 65 ° C after filtration to obtain L-lysine hydrochloride.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present invention provides a kind of crystallization method of L-lysine hydrochloride, described crystallization method comprises: the aqueous solution of L-lysine hydrochloride is carried out primary concentration, then adds organic solvent, and simultaneously the bubbling of saturated steam Lower the temperature to obtain L-lysine hydrochloride; the present invention combines the three methods of concentration, organic solvent and steam bubbling, compared to the method of directly recrystallization or concentrated crystallization, it can guarantee the crystallization purity. Under the premise, improve the crystallization rate and crystallization yield of L-lysine hydrochloride, the highest crystallization yield can reach more than 80%, and the precipitation crystal form is single, which is of great significance for the production and market application of L-lysine and value.

Description

technical field [0001] The invention belongs to the field of biological separation, and relates to a crystallization method of L-lysine hydrochloride. Background technique [0002] Lysine is one of the most important amino acids and one of the essential amino acids in the human body. It can promote human development, enhance immune function, and improve the function of central nervous tissue. It can improve intelligence, promote growth, and enhance physique. Increase appetite and improve malnutrition. Improve insomnia and improve memory. Helps produce antibodies, hormones and enzymes, improve immunity, and increase hemoglobin. Helps the absorption of calcium, treats and prevents osteoporosis, reduces the level of triglycerides in the blood, and prevents the occurrence of cardiovascular and cerebrovascular diseases. Lysine is a basic essential amino acid. Because the content of lysine in cereal food is very low, and it is easily damaged and lacking during processing, it i...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C07C229/26C07C227/42
CPCC07C227/42C07C229/26
Inventor 谢应波张庆张华徐肖冰罗桂云张维燕
Owner 上海泰坦科技股份有限公司
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com