CN104693132B - 一种1h‑1,2,4三氮唑循环母液回收利用的方法 - Google Patents
一种1h‑1,2,4三氮唑循环母液回收利用的方法 Download PDFInfo
- Publication number
- CN104693132B CN104693132B CN201410838759.7A CN201410838759A CN104693132B CN 104693132 B CN104693132 B CN 104693132B CN 201410838759 A CN201410838759 A CN 201410838759A CN 104693132 B CN104693132 B CN 104693132B
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- Prior art keywords
- triazole
- mother liquor
- crystallization
- formamide
- clear liquid
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
- C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
- C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/22—Separation; Purification; Stabilisation; Use of additives
- C07C231/24—Separation; Purification
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410838759.7A CN104693132B (zh) | 2014-12-30 | 2014-12-30 | 一种1h‑1,2,4三氮唑循环母液回收利用的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410838759.7A CN104693132B (zh) | 2014-12-30 | 2014-12-30 | 一种1h‑1,2,4三氮唑循环母液回收利用的方法 |
Publications (2)
Publication Number | Publication Date |
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CN104693132A CN104693132A (zh) | 2015-06-10 |
CN104693132B true CN104693132B (zh) | 2017-07-14 |
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Family Applications (1)
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CN201410838759.7A Active CN104693132B (zh) | 2014-12-30 | 2014-12-30 | 一种1h‑1,2,4三氮唑循环母液回收利用的方法 |
Country Status (1)
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CN (1) | CN104693132B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105523598B (zh) * | 2016-02-17 | 2019-03-05 | 安庆市鑫祥瑞环保科技有限公司 | 阶段性变压精馏塔回收光刻胶剥离液的方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4267347A (en) * | 1979-11-07 | 1981-05-12 | Ciba-Geigy Corporation | Method for direct preparation for 1,2,4-triazole from hydrazine and formamide |
-
2014
- 2014-12-30 CN CN201410838759.7A patent/CN104693132B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4267347A (en) * | 1979-11-07 | 1981-05-12 | Ciba-Geigy Corporation | Method for direct preparation for 1,2,4-triazole from hydrazine and formamide |
Non-Patent Citations (2)
Title |
---|
1,2,4-三氮唑的合成方法;张扬;《四川化工》;20051231;第8卷(第2期);第18-20页 * |
1H-1,2,4三唑合成新工艺的研究;袁景辉等;《湖南化工》;19921231(第4期);第41-44页 * |
Also Published As
Publication number | Publication date |
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CN104693132A (zh) | 2015-06-10 |
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Effective date of registration: 20170930 Address after: 421600 No. 205 Qianjin Street, Gui Yang Town, Qidong County, Hunan, Hengyang Patentee after: Taiyang Plant Source Co., Ltd., Hunan Address before: 421008 Hunan city of Hengyang province Yanfeng District Huang Bai road 165 Patentee before: Hengyang Normal University |
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Effective date of registration: 20200819 Address after: No.6 Niantang Road, songmu Economic Development Zone, shigu District, Hengyang City, Hunan Province Patentee after: HUNAN SHARESOURCE CHEMICAL Co.,Ltd. Address before: 421600 205 Qianjie street, Guiyang Town, Qidong, Hengyang, Hunan Patentee before: Hunan Solar Plant Resources Co.,Ltd. |