CN105949097B - 一种减少蛋氨酸离交排气和蛋氨酸结晶母液中杂质的方法 - Google Patents
一种减少蛋氨酸离交排气和蛋氨酸结晶母液中杂质的方法 Download PDFInfo
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- CN105949097B CN105949097B CN201610391072.2A CN201610391072A CN105949097B CN 105949097 B CN105949097 B CN 105949097B CN 201610391072 A CN201610391072 A CN 201610391072A CN 105949097 B CN105949097 B CN 105949097B
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- methionine
- glycolylurea
- hydrolyzate
- mother solution
- carbonate
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/26—Separation; Purification; Stabilisation; Use of additives
- C07C319/28—Separation; Purification
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
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CN201610391072.2A CN105949097B (zh) | 2016-06-03 | 2016-06-03 | 一种减少蛋氨酸离交排气和蛋氨酸结晶母液中杂质的方法 |
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CN201610391072.2A CN105949097B (zh) | 2016-06-03 | 2016-06-03 | 一种减少蛋氨酸离交排气和蛋氨酸结晶母液中杂质的方法 |
Publications (2)
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CN105949097A CN105949097A (zh) | 2016-09-21 |
CN105949097B true CN105949097B (zh) | 2018-09-11 |
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CN201610391072.2A Active CN105949097B (zh) | 2016-06-03 | 2016-06-03 | 一种减少蛋氨酸离交排气和蛋氨酸结晶母液中杂质的方法 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109456239A (zh) * | 2018-11-09 | 2019-03-12 | 禄丰天宝磷化工有限公司 | 一种α-氨基酸螯合铬(Ⅲ)的生产工艺 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3636098A (en) * | 1966-07-02 | 1972-01-18 | Sumitomo Chemical Co | Process for producing methionine |
DE19547236A1 (de) * | 1995-12-18 | 1997-07-03 | Degussa | Verfahren zur Herstellung von D,L-Methionin oder dessen Salz |
FR2772026A1 (fr) * | 1997-12-05 | 1999-06-11 | Rhone Poulenc Nutrition Animal | Procede de preparation de la methionine ou de l'hydroxyanalogue |
CN104693082A (zh) * | 2015-04-03 | 2015-06-10 | 重庆紫光化工股份有限公司 | 一种制备蛋氨酸的方法 |
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2016
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method to reduce the impurities in the exhaust gas of methionine separation and the mother liquor of methionine crystallization Effective date of registration: 20200904 Granted publication date: 20180911 Pledgee: Chongqing chemical medicine holding (Group) Co.,Ltd. Pledgor: NINGXIA UNISPLENDOUR TIANHUA METHIONINE Co.,Ltd. Registration number: Y2020500000011 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230711 Granted publication date: 20180911 Pledgee: Chongqing chemical medicine holding (Group) Co.,Ltd. Pledgor: NINGXIA UNISPLENDOUR TIANHUA METHIONINE Co.,Ltd. Registration number: Y2020500000011 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method for reducing impurities in methionine dissociation exhaust and methionine crystallization mother liquor Effective date of registration: 20230725 Granted publication date: 20180911 Pledgee: Chongqing chemical medicine holding (Group) Co.,Ltd. Pledgor: NINGXIA UNISPLENDOUR TIANHUA METHIONINE Co.,Ltd. Registration number: Y2023500000053 |