CN104058936A - Method for separation and purification of p-cresol - Google Patents
Method for separation and purification of p-cresol Download PDFInfo
- Publication number
- CN104058936A CN104058936A CN201410280902.5A CN201410280902A CN104058936A CN 104058936 A CN104058936 A CN 104058936A CN 201410280902 A CN201410280902 A CN 201410280902A CN 104058936 A CN104058936 A CN 104058936A
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- Prior art keywords
- cresol
- oxalic acid
- separating
- purifying
- purification
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- 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.)
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/685—Processes comprising at least two steps in series
Abstract
Description
Embodiment | P-cresol extraction efficiency | P-cresol purity | M-and P-cresols ratio in complexing mother liquor |
Embodiment 1 | 92.7% | 99.4% | 82.9%:15.6% |
Embodiment 2 | 90.5% | 99.5% | 80.1%:16.3% |
Embodiment 3 | 91.5% | 99.3% | 82.9%:15.6% |
Embodiment 4 | 87.6% | 99.4% | 82.9%:15.6% |
Embodiment 5 | 87.5% | 99.5% | 82.9%:15.6% |
Embodiment 6 | 92.0% | 99.3% | 82.9%:15.6% |
Embodiment 7 | 93.2% | 99.3% | 82.9%:15.6% |
Embodiment 8 | 92.5% | 99.3% | 82.5%:15.8% |
Embodiment 9 | 92.6% | 99.2% | 82.3%:16.2% |
Embodiment 10 | 92.9% | 99.4% | 82.9%:15.6% |
Claims (8)
Priority Applications (1)
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CN201410280902.5A CN104058936B (en) | 2014-06-20 | 2014-06-20 | A kind of method of separating-purifying paracresol |
Applications Claiming Priority (1)
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CN201410280902.5A CN104058936B (en) | 2014-06-20 | 2014-06-20 | A kind of method of separating-purifying paracresol |
Publications (2)
Publication Number | Publication Date |
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CN104058936A true CN104058936A (en) | 2014-09-24 |
CN104058936B CN104058936B (en) | 2016-08-17 |
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CN201410280902.5A Active CN104058936B (en) | 2014-06-20 | 2014-06-20 | A kind of method of separating-purifying paracresol |
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CN (1) | CN104058936B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107057114A (en) * | 2017-05-19 | 2017-08-18 | 江苏飞亚化学工业有限责任公司 | A kind of emulsion-type high dispersive antioxidant |
CN107118387A (en) * | 2017-05-19 | 2017-09-01 | 江苏飞亚化学工业有限责任公司 | A kind of composite type antioxidant agent |
CN115304456A (en) * | 2022-08-09 | 2022-11-08 | 宁夏派可威生物科技有限公司 | Separation process for separating metacresol from urea |
CN115636735A (en) * | 2022-10-27 | 2023-01-24 | 北京化工大学 | Process method for extracting and separating m-cresol and p-cresol mixture |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103333052A (en) * | 2013-07-25 | 2013-10-02 | 北京旭阳化工技术研究院有限公司 | Method for preparing pure p-cresol and pure m-cresol by separating industrial mixed p-cresol and m-cresol |
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2014
- 2014-06-20 CN CN201410280902.5A patent/CN104058936B/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103333052A (en) * | 2013-07-25 | 2013-10-02 | 北京旭阳化工技术研究院有限公司 | Method for preparing pure p-cresol and pure m-cresol by separating industrial mixed p-cresol and m-cresol |
Non-Patent Citations (1)
Title |
---|
邓国才等: "对甲酚与间甲酚的分离", 《天津化工》 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107057114A (en) * | 2017-05-19 | 2017-08-18 | 江苏飞亚化学工业有限责任公司 | A kind of emulsion-type high dispersive antioxidant |
CN107118387A (en) * | 2017-05-19 | 2017-09-01 | 江苏飞亚化学工业有限责任公司 | A kind of composite type antioxidant agent |
CN115304456A (en) * | 2022-08-09 | 2022-11-08 | 宁夏派可威生物科技有限公司 | Separation process for separating metacresol from urea |
CN115304456B (en) * | 2022-08-09 | 2023-09-22 | 宁夏派可威生物科技有限公司 | Separation process for separating m-cresol from urea |
CN115636735A (en) * | 2022-10-27 | 2023-01-24 | 北京化工大学 | Process method for extracting and separating m-cresol and p-cresol mixture |
Also Published As
Publication number | Publication date |
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CN104058936B (en) | 2016-08-17 |
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C41 | Transfer of patent application or patent right or utility model | ||
CB03 | Change of inventor or designer information |
Inventor after: Du Chengtang Inventor after: Shi Bo Inventor after: Qu Liangduan Inventor after: Zhuang Dongqing Inventor after: Ge Fangsun Inventor before: Du Chengtang Inventor before: Qu Liangduan Inventor before: Zhuang Dongqing Inventor before: Wang Guangya Inventor before: Ge Fangsun |
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Effective date of registration: 20160621 Address after: 215026 Suzhou flying New Material Research Institute Co., Ltd., 425 Changyang street, Suzhou Industrial Park, Suzhou, Jiangsu Applicant after: Suzhou Feixiang New Material Research Institute Co.,Ltd. Applicant after: JIANGSU FUBIYA CHEMICALS CO., LTD. Address before: 215026 Suzhou flying New Material Research Institute Co., Ltd., 425 Changyang street, Suzhou Industrial Park, Suzhou, Jiangsu Applicant before: Suzhou Feixiang New Material Research Institute Co.,Ltd. |
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Effective date of registration: 20210823 Address after: 224500 Zhongshan 1st Road, coastal industrial park, Binhai Economic Development Zone, Yancheng City, Jiangsu Province Patentee after: JIANGSU FOPIA CHEMICALS Co.,Ltd. Address before: 215026 Suzhou Feifei New Material Research Institute Co., Ltd., No. 425, Changyang street, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee before: SUZHOU FEIXIANG NEW MATERIAL RESEARCH INSTITUTE Co.,Ltd. Patentee before: JIANGSU FOPIA CHEMICALS Co.,Ltd. |