CN108164413B - 长链二元酸连续结晶设备、系统及连续结晶方法 - Google Patents
长链二元酸连续结晶设备、系统及连续结晶方法 Download PDFInfo
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- CN108164413B CN108164413B CN201611117361.XA CN201611117361A CN108164413B CN 108164413 B CN108164413 B CN 108164413B CN 201611117361 A CN201611117361 A CN 201611117361A CN 108164413 B CN108164413 B CN 108164413B
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
- B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D2009/0086—Processes or apparatus therefor
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
Description
样品 | 二元酸含量wt | 灰分/ppm | 总氮/ppm | 透光率 | 回收率 |
实施例1 | 99.15% | 35 | 21 | 98.9% | 92.8% |
实施例2 | 99.37% | 49 | 15 | 99.1% | 93.0% |
实施例3 | 99.28% | 75 | 22 | 99.3% | 92.6% |
实施例4 | 98.76% | 25 | 31 | 98.8% | 91.2% |
实施例5 | 99.43% | 43 | 42 | 99.2% | 93.0% |
对比例1 | 99.56% | 56 | 25 | 99.2% | 93.1% |
对比例2 | 98.78% | 54 | 17 | 99.1% | 92.5% |
对比例3 | 98.56% | 46 | 36 | 98.5% | 91.0% |
Claims (26)
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CN111592457B (zh) * | 2019-02-21 | 2023-06-30 | 上海凯赛生物技术股份有限公司 | 一种粒度分布集中的长链二元酸及其制备方法 |
CN113493378A (zh) * | 2020-04-01 | 2021-10-12 | 上海凯赛生物技术股份有限公司 | 长链二元酸产品及其精制工艺 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101732885A (zh) * | 2010-01-16 | 2010-06-16 | 江阴丰力生化工程装备有限公司 | 连续结晶器装置 |
CN102580347A (zh) * | 2012-03-02 | 2012-07-18 | 浙江金科日化原料有限公司 | 一种四乙酰乙二胺的连续结晶方法 |
CN104418721A (zh) * | 2013-08-30 | 2015-03-18 | 上海凯赛生物技术研发中心有限公司 | 长链二元酸连续结晶方法 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101732885A (zh) * | 2010-01-16 | 2010-06-16 | 江阴丰力生化工程装备有限公司 | 连续结晶器装置 |
CN102580347A (zh) * | 2012-03-02 | 2012-07-18 | 浙江金科日化原料有限公司 | 一种四乙酰乙二胺的连续结晶方法 |
CN104418721A (zh) * | 2013-08-30 | 2015-03-18 | 上海凯赛生物技术研发中心有限公司 | 长链二元酸连续结晶方法 |
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