CN102827046A - Method and apparatus for removing impurity in sodium methionine solution - Google Patents
Method and apparatus for removing impurity in sodium methionine solution Download PDFInfo
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- CN102827046A CN102827046A CN2012103179372A CN201210317937A CN102827046A CN 102827046 A CN102827046 A CN 102827046A CN 2012103179372 A CN2012103179372 A CN 2012103179372A CN 201210317937 A CN201210317937 A CN 201210317937A CN 102827046 A CN102827046 A CN 102827046A
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- methioninate solution
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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 the Separation & Purification technical field, be specifically related to a kind of method and device of removing impurity in the Sodium L-methioninate solution.
Background technology
With Sodium L-methioninate solution, the solution that Sodium L-methioninate obtains after being neutralized by acid mainly contained methionine(Met) and sodium salt during a kind of method for preparing methionine(Met) was included under the acidic conditions, separated obtaining methionine(Met) then with crystalline form through crystallization.Yet, contain a certain amount of by-product organic impurities in the production in the Sodium L-methioninate solution, cause the methionine(Met) unstable product quality.If the Sodium L-methioninate solution that organic impurities content is higher is not good measure as discharging of waste liquid; 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 are very high, have increased environmental protection pressure.
Therefore,, organic impurities is wherein removed, obtained the higher Sodium L-methioninate solution of quality, then can optimize the quality of stablizing the methionine(Met) product, improve the output of methionine(Met) product if can Sodium L-methioninate solution further be handled.
Summary of the invention
In view of this; The invention provides a kind of method and device of removing impurity in the Sodium L-methioninate solution, can the organic impurities in the Sodium L-methioninate solution be removed, obtain the higher Sodium L-methioninate solution of quality; Thereby optimize the quality of stablizing the methionine(Met) product, improve the output of methionine(Met) product.
The invention discloses a kind of method of removing impurity in the Sodium L-methioninate solution; Sodium L-methioninate solution is heated to 30 ~ 100 ℃; In every liter of Sodium L-methioninate solution, add 1 ~ 10g sorbent material then, insulation absorption 10min ~ 90min, the Sodium L-methioninate solution after the last Filtration Adsorption; Said sorbent material is zeyssatite, gac or atlapulgite.
Further, Sodium L-methioninate solution is heated to 50～80 ℃, in every liter of Sodium L-methioninate solution, adds 2～5g zeyssatite, gac or atlapulgite then, insulation absorption 20～70min, the Sodium L-methioninate solution after the last Filtration Adsorption.
Further, Sodium L-methioninate solution is heated to 70 ℃, in every liter of Sodium L-methioninate solution, adds 3g zeyssatite, gac or atlapulgite then, insulation absorption 30min, the Sodium L-methioninate solution after the last Filtration Adsorption.
The invention also discloses a kind of device of removing impurity in the Sodium L-methioninate solution; Comprise pending Sodium L-methioninate solution storage tank, adsorption tanks, strainer and finished product Sodium L-methioninate solution storage tank; Said pending Sodium L-methioninate solution storage tank is communicated with the inlet of adsorption tanks; The outlet of said adsorption tanks is communicated with the inlet of strainer, and the filtrate outlet of said strainer is communicated with finished product Sodium L-methioninate solution storage tank.
Further, the tank body of said adsorption tanks has heating jacket, and is filled with sorbent material in the jar.
Further, said strainer is the accurate filter of pottery, resin or metallic substance.
Further, the pore size filter of said accurate filter is 5～20 microns.
Further, the pore size filter of said accurate filter is 10～15 microns.
Beneficial effect of the present invention is: the present invention utilizes specific adsorbents adsorb to remove the organic impurities in the Sodium L-methioninate solution; Obtained the higher Sodium L-methioninate solution of quality; Thereby can optimize the quality of stablizing the methionine(Met) product, improve the output of methionine(Met) product.
Description of drawings
In order to make the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that the present invention is made further detailed description below, wherein:
Fig. 1 is a process flow sheet of the present invention.
Embodiment
Below will carry out detailed description to the preferred embodiments of the present invention with reference to accompanying drawing.
Fig. 1 is a process flow sheet of the present invention; As shown in the figure; The device of impurity in the removal Sodium L-methioninate solution of the present invention comprises pending Sodium L-methioninate solution storage tank, adsorption tanks, strainer and finished product Sodium L-methioninate solution storage tank, and said pending Sodium L-methioninate solution storage tank is communicated with the inlet of adsorption tanks; The outlet of said adsorption tanks is communicated with the inlet of strainer, and the filtrate outlet of said strainer is communicated with finished product Sodium L-methioninate solution storage tank; The tank body of said adsorption tanks has heating jacket, and is filled with sorbent material in the jar; Said strainer is the accurate filter of pottery, resin or metallic substance, and the pore size filter of accurate filter is 5～20 microns.
The method of impurity is heated to 30 ~ 100 ℃ with Sodium L-methioninate solution in the removal Sodium L-methioninate solution of the present invention, in every liter of Sodium L-methioninate solution, adds 1 ~ 10g sorbent material then, insulation absorption 10min ~ 90min, the Sodium L-methioninate solution after the last Filtration Adsorption; Said sorbent material is zeyssatite, gac or atlapulgite.The processing parameter of specific embodiment is as shown in table 1:
The processing parameter of each embodiment of table 1
The foregoing description is adsorbed forward and backward Sodium L-methioninate solution slowly drip the vitriol oil respectively and be neutralized to pH=2 ~ 6, neutralization finishes the back water-bath and is cooled to 30-60 ℃, suction filtration, and cakes with deionized water is divided washing, and suction filtration obtains adsorbing forward and backward methionine(Met) product.Analyze the forward and backward Sodium L-methioninate solution and the forward and backward methionine(Met) product of absorption of absorption of each embodiment, its outward appearance, methionine(Met), sodium sulfate and foreign matter content are 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
Can be known by The above results, adsorb forward and backward Sodium L-methioninate solution colour and change greatly, be muddy red-brown before the absorption, and the absorption back is a yellow transparent; Adsorbing forward and backward methionine(Met) product colour and change also greatly, is light grey before the absorption, and the absorption back is a brilliant white; Adsorb in the forward and backward Sodium L-methioninate solution foreign matter content and change greatly, adsorb that the foreign matter content variation shows partial organic substances in the adsorbents adsorb Sodium L-methioninate solution also greatly in the forward and backward methionine(Met) product, reduced organic impurity content.
In sum, the present invention utilizes specific adsorbents adsorb to remove the organic impurities in the Sodium L-methioninate solution, has obtained the higher Sodium L-methioninate solution of quality, and the quality of methionine(Met) product is optimized more.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although through invention has been described with reference to the preferred embodiments of the present invention; But those of ordinary skill in the art should be appreciated that and can make various changes to it in form with on the details, and the spirit and scope of the present invention that do not depart from appended claims and limited.
Claims (8)
1. method of removing impurity in the Sodium L-methioninate solution; It is characterized in that: Sodium L-methioninate solution is heated to 30 ~ 100 ℃; In every liter of Sodium L-methioninate solution, add 1 ~ 10g sorbent material then, insulation absorption 10min ~ 90min, the Sodium L-methioninate solution after the last Filtration Adsorption; Said sorbent material is zeyssatite, gac or atlapulgite.
2. the method for impurity in the removal Sodium L-methioninate solution according to claim 1; It is characterized in that: Sodium L-methioninate solution is heated to 50～80 ℃; In every liter of Sodium L-methioninate solution, add 2～5g zeyssatite, gac or atlapulgite then; Insulation absorption 20～70min, the Sodium L-methioninate solution after the last Filtration Adsorption.
3. the method for impurity in the removal Sodium L-methioninate solution according to claim 2; It is characterized in that: Sodium L-methioninate solution is heated to 70 ℃; In every liter of Sodium L-methioninate solution, add 3g zeyssatite, gac or atlapulgite then; Insulation absorption 30min, the Sodium L-methioninate solution after the last Filtration Adsorption.
4. device of removing impurity in the Sodium L-methioninate solution; 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; Said pending Sodium L-methioninate solution storage tank is communicated with the inlet of adsorption tanks; The outlet of said adsorption tanks is communicated with the inlet of strainer, and the filtrate outlet of said strainer is communicated with finished product Sodium L-methioninate solution storage tank.
5. the device of impurity in the removal Sodium L-methioninate solution according to claim 4, it is characterized in that: the tank body of said adsorption tanks has heating jacket, and is filled with sorbent material in the jar.
6. the device of impurity in the removal Sodium L-methioninate solution according to claim 4 is characterized in that: said strainer is the accurate filter of pottery, resin or metallic substance.
7. the device of impurity in the removal Sodium L-methioninate solution according to claim 6, it is characterized in that: the pore size filter of said accurate filter is 5～20 microns.
8. the device of impurity in the removal Sodium L-methioninate solution according to claim 7, it is characterized in that: the pore size filter of said 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 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210317937.2A CN102827046B (en) | 2012-08-31 | 2012-08-31 | Method and apparatus for removing impurity in sodium methionine solution |
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| CN102827046A true CN102827046A (en) | 2012-12-19 |
| CN102827046B CN102827046B (en) | 2014-04-23 |
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Citations (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
Patent Citations (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 |
Non-Patent Citations (1)
| Title |
|---|
| 任洪强等: "氨基酸废水处理技术研究进展及工程应用", 《中国环境科学学会学术年会论文集》, 31 December 2009 (2009-12-31), pages 982 - 985 * |
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| CN102827046B (en) | 2014-04-23 |
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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. |