CN102827046B - Method and apparatus for removing impurity in sodium methionine solution - Google Patents
Method and apparatus for removing impurity in sodium methionine solution Download PDFInfo
- Publication number
- CN102827046B CN102827046B CN201210317937.2A CN201210317937A CN102827046B CN 102827046 B CN102827046 B CN 102827046B CN 201210317937 A CN201210317937 A CN 201210317937A CN 102827046 B CN102827046 B CN 102827046B
- Authority
- CN
- China
- Prior art keywords
- sodium
- methioninate solution
- methionine solution
- storage tank
- solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The invention discloses a method and an apparatus for removing impurity in a sodium methionine solution, which comprises the following steps: heating the sodium methionine solution to the temperature of 30-100 DEG C, then adding 1-10g of adsorbent in each liter of the sodium methionine solution, insulating and absorbing for 10 minutes-90 minutes, and finally filtering the absorbed sodium methionine solution. The adsorbent is diatomite, active carbon or activated clay. The apparatus of the present invention comprises a storage tank for the sodium methionine solution to be treated, an adsorption pot, a filter and a storage tank for the finished product sodium methionine solution. The storage tank for the sodium methionine solution to be treated is communicated to the inlet of the adsorption pot, the outlet of the adsorption pot is communicate to the inlet of the filter, and the filtrate outlet of the filter is communicated to the storage tank for the finished product sodium methionine solution. According to the invention, a specific adsorbent is used for absorbing and removing the organic matter impurities in the sodium methionine solution to obtain the sodium methionine solution with higher quality, thereby the quality of the methionine products can be optimized and stabilized.
Description
Technical field
The invention belongs to Separation & Purification technical field, be specifically related to a kind of method and device of removing impurity in Sodium L-methioninate solution.
Background technology
During the method for preparing methionine(Met) is included under acidic conditions and a Sodium L-methioninate solution, the solution that Sodium L-methioninate obtains after being neutralized by acid mainly contains methionine(Met) and sodium salt, then by crystallization, with crystalline form, is separated and obtains methionine(Met).But, in production, in Sodium L-methioninate solution, contain a certain amount of by-product organic impurities, cause methionine(Met) unstable product quality.If the measure that as discharging of waste liquid has not been using Sodium L-methioninate solution higher organic impurities content, because this has not only caused the loss of Sodium L-methioninate solution, reduced the output of methionine(Met) product, and the expense of liquid waste disposal and consumptive material very high, increased environmental protection pressure.
Therefore, if Sodium L-methioninate solution further can be processed, organic impurities is wherein removed, obtained the Sodium L-methioninate solution that quality is higher, can optimize the quality of stablizing methionine(Met) product, improve the output of methionine(Met) product.
Summary of the invention
In view of this, the invention provides a kind of method and device of removing impurity in Sodium L-methioninate solution, the organic impurities in Sodium L-methioninate solution can be removed, obtain the Sodium L-methioninate solution that quality is higher, thereby optimize the quality of stablizing methionine(Met) product, improve the output of methionine(Met) product.
The invention discloses a kind of method of removing impurity in Sodium L-methioninate solution, Sodium L-methioninate solution is heated to 30 ~ 100 ℃, then in every liter of Sodium L-methioninate solution, add 1 ~ 10g sorbent material, insulation absorption 10min ~ 90min, the Sodium L-methioninate solution after last Filtration Adsorption; Described sorbent material is diatomite, gac or atlapulgite.
Further, Sodium L-methioninate solution is heated to 50～80 ℃, then in every liter of Sodium L-methioninate solution, adds 2～5g diatomite, gac or atlapulgite, insulation absorption 20～70min, the Sodium L-methioninate solution after last Filtration Adsorption.
Further, Sodium L-methioninate solution is heated to 70 ℃, then in every liter of Sodium L-methioninate solution, adds 3g diatomite, gac or atlapulgite, insulation absorption 30min, the Sodium L-methioninate solution after last Filtration Adsorption.
The invention also discloses a kind of device of removing impurity in Sodium L-methioninate solution, comprise pending Sodium L-methioninate solution storage tank, adsorption tanks, strainer and finished product Sodium L-methioninate solution storage tank, described pending Sodium L-methioninate solution storage tank is communicated with the entrance of adsorption tanks, the outlet of described adsorption tanks is communicated with the entrance of strainer, and the filtrate outlet of described strainer is communicated with finished product Sodium L-methioninate solution storage tank.
Further, the tank body of described adsorption tanks is with heating jacket, and in tank, is filled with sorbent material.
Further, described strainer is the accurate filter of pottery, resin or metallic substance.
Further, the pore size filter of described accurate filter is 5～20 microns.
Further, the pore size filter of described accurate filter is 10～15 microns.
Beneficial effect of the present invention is: the present invention utilizes the organic impurities in specific sorbent material Adsorption Sodium L-methioninate solution, obtained the higher Sodium L-methioninate solution of quality, thereby can optimize the quality of stablizing methionine(Met) product, improve the output of methionine(Met) product.
Accompanying drawing explanation
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
Fig. 1 is process flow sheet of the present invention.
Embodiment
Hereinafter with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail.
Fig. 1 is process flow sheet of the present invention, as shown in the figure, the device of impurity in removal Sodium L-methioninate solution of the present invention, comprise pending Sodium L-methioninate solution storage tank, adsorption tanks, strainer and finished product Sodium L-methioninate solution storage tank, described pending Sodium L-methioninate solution storage tank is communicated with the entrance of adsorption tanks, the outlet of described adsorption tanks is communicated with the entrance of strainer, and the filtrate outlet of described strainer is communicated with finished product Sodium L-methioninate solution storage tank; The tank body of described adsorption tanks is with heating jacket, and in tank, is filled with sorbent material; Described strainer is the accurate filter of pottery, resin or metallic substance, and the pore size filter of accurate filter is 5～20 microns.
In removal Sodium L-methioninate solution of the present invention, the method for impurity, is heated to 30 ~ 100 ℃ by Sodium L-methioninate solution, then in every liter of Sodium L-methioninate solution, adds 1 ~ 10g sorbent material, insulation absorption 10min ~ 90min, the Sodium L-methioninate solution after last Filtration Adsorption; Described sorbent material is diatomite, gac or atlapulgite.The processing parameter of specific embodiment is as shown in table 1:
The processing parameter of each embodiment of table 1
Above-described embodiment is adsorbed to forward and backward Sodium L-methioninate solution and slowly drip respectively the vitriol oil and be neutralized to pH=2 ~ 6, neutralization finishes rear water-bath and is cooled to 30-60 ℃, suction filtration, and filter cake divides washing with deionized water, and suction filtration obtains adsorbing forward and backward methionine(Met) product.Forward and backward Sodium L-methioninate solution and the forward and backward methionine(Met) product of absorption of absorption of analyzing each embodiment, its outward appearance, methionine(Met), sodium sulfate and foreign matter content are as shown in table 2, table 3 and table 4:
The test effect contrast of table 2 embodiment 1-5
The test effect contrast of table 3 embodiment 6-10
The test effect contrast of table 4 embodiment 11-15
From the above results, adsorbing forward and backward Sodium L-methioninate solution colour and change greatly, is muddy red-brown before absorption, after absorption, is transparent yellow; Adsorbing forward and backward methionine(Met) product colour and change also greatly, is light grey before absorption, after absorption, is brilliant white; Adsorb foreign matter content in forward and backward Sodium L-methioninate solution and change greatly, adsorb foreign matter content in forward and backward methionine(Met) product and change also greatly, show partial organic substances in sorbent material absorption Sodium L-methioninate solution, reduced organic impurity content.
In sum, the present invention utilizes the organic impurities in specific sorbent material Adsorption Sodium L-methioninate solution, has obtained the higher Sodium L-methioninate solution of quality, makes the quality of methionine(Met) product more optimize simultaneously.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although by with reference to the preferred embodiments of the present invention, invention has been described, but those of ordinary skill in the art is to be understood that, can to it, make various changes in the form and details, and not depart from the spirit and scope of the present invention that appended claims limits.
Claims (5)
1. remove the device of impurity in Sodium L-methioninate solution for one kind, it is characterized in that: comprise pending Sodium L-methioninate solution storage tank, adsorption tanks, strainer and finished product Sodium L-methioninate solution storage tank, described pending Sodium L-methioninate solution storage tank is communicated with the entrance of adsorption tanks, the outlet of described adsorption tanks is communicated with the entrance of strainer, and the filtrate outlet of described strainer is communicated with finished product Sodium L-methioninate solution storage tank.
2. the device of impurity in removal Sodium L-methioninate solution according to claim 1, is characterized in that: the tank body of described adsorption tanks is with heating jacket, and in tank, is filled with sorbent material.
3. the device of impurity in removal Sodium L-methioninate solution according to claim 1, is characterized in that: described strainer is the accurate filter of pottery, resin or metallic substance.
4. the device of impurity in removal Sodium L-methioninate solution according to claim 3, is characterized in that: the pore size filter of described accurate filter is 5～20 microns.
5. the device of impurity in removal Sodium L-methioninate solution according to claim 4, is characterized in that: the pore size filter of described accurate filter is 10～15 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210317937.2A CN102827046B (en) | 2012-08-31 | 2012-08-31 | Method and apparatus for removing impurity in sodium methionine solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210317937.2A CN102827046B (en) | 2012-08-31 | 2012-08-31 | Method and apparatus for removing impurity in sodium methionine solution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102827046A CN102827046A (en) | 2012-12-19 |
| CN102827046B true CN102827046B (en) | 2014-04-23 |
Family
ID=47330389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210317937.2A Active CN102827046B (en) | 2012-08-31 | 2012-08-31 | Method and apparatus for removing impurity in sodium methionine solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102827046B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108531A (en) * | 1985-11-14 | 1987-05-20 | 西北大学 | The method of 5-(β-methylmercaptoethyl) glycolylurea preparation of methionine by hydrolyzing |
| JPH04193861A (en) * | 1990-11-27 | 1992-07-13 | Sumitomo Chem Co Ltd | Production of methionine |
| RU2182573C2 (en) * | 1999-05-17 | 2002-05-20 | Алмазова Людмила Евгеньевна | Method of purification of methionine |
-
2012
- 2012-08-31 CN CN201210317937.2A patent/CN102827046B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102827046A (en) | 2012-12-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105777603B (en) | A method of extracting L- hydroxyproline from L- hydroxyproline fermentation liquid | |
| CN102730721B (en) | Recovering method of by-product sodium chloride in polyphenylene sulfide production | |
| CN102827045B (en) | Method and apparatus for removing impurity in secondary methionine mother liquor | |
| CN111057616A (en) | Treatment method for removing impurities from waste animal and vegetable oil | |
| CN104177280A (en) | Production process of methionine | |
| CN106397506A (en) | Method for purifying high-quality acarbose | |
| CN104448019B (en) | High-purity pulullan polysaccharide extraction process | |
| CN102827046B (en) | Method and apparatus for removing impurity in sodium methionine solution | |
| CN102533442B (en) | Method for purifying biodiesel | |
| CN106083952A (en) | A kind of method extracting gentamycin sulfate from gentamicin fermentation broth | |
| CN103012470A (en) | Method for preparing liquid phytic acid from rapeseed dregs | |
| CN202754922U (en) | Device for removing impurities in two-stage methionine sodium solution | |
| CN203866227U (en) | System capable of separating and purifying amino acid continuously | |
| CN107556161A (en) | Chromatographic Pure Methanol and preparation method thereof, production system | |
| CN202754921U (en) | Device for removing impurities in two-stage methionine mother liquid | |
| CN104479038B (en) | Pulullan polysaccharide purifying technique | |
| CN103525952A (en) | Method for removing 2-aminoacetophenone in high fructose corn syrup | |
| CN205313295U (en) | Novel water purification system | |
| CN105152142A (en) | Method for recovering sulfuric acid from waste acid produced by anthraquinone production | |
| TWI399360B (en) | Recovery equipment for tetramethylammonium hydroxide and its method | |
| CN104163525A (en) | Treatment method for production waste water generated in preparation of bromaminic acid sodium salt through bromination | |
| CN100361724C (en) | Treating process of effluent from N-acetanilide production | |
| CN104230659B (en) | A kind of high salt contains the recovery method of sodium-chlor and glycerine in glycerine high concentrated organic wastewater | |
| CN104744212B (en) | The method of purification of solvent gradient methanol | |
| CN102557078B (en) | Method for reducing aluminum impurity content in primary saline water in ionic membrane caustic soda |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160526 Address after: 755000 the Ningxia Hui Autonomous Region central defence industrial park Patentee after: NINGXIA ZIGUANG TIANHUA METHIONINE CO., LTD. Address before: 408200, Chongqing County, Zhenjiang Town, Fengdu village Xiangjiaba Patentee before: Chongqing Unisplendour Tianhua Methionine Co., Ltd. |