CN113105322B - 一种大颗粒苯甲酸晶体的制备方法 - Google Patents
一种大颗粒苯甲酸晶体的制备方法 Download PDFInfo
- Publication number
- CN113105322B CN113105322B CN202110228612.6A CN202110228612A CN113105322B CN 113105322 B CN113105322 B CN 113105322B CN 202110228612 A CN202110228612 A CN 202110228612A CN 113105322 B CN113105322 B CN 113105322B
- Authority
- CN
- China
- Prior art keywords
- benzoic acid
- temperature
- flash evaporation
- particle
- crystals
- Prior art date
- 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.)
- Active
Links
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 title claims abstract description 136
- 239000005711 Benzoic acid Substances 0.000 title claims abstract description 68
- 235000010233 benzoic acid Nutrition 0.000 title claims abstract description 68
- 239000013078 crystal Substances 0.000 title claims abstract description 46
- 239000002245 particle Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000001704 evaporation Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 20
- 230000008020 evaporation Effects 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 17
- 239000012047 saturated solution Substances 0.000 claims abstract description 12
- 239000000243 solution Substances 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 238000001291 vacuum drying Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 238000005054 agglomeration Methods 0.000 abstract description 2
- 230000002776 aggregation Effects 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 238000009827 uniform distribution Methods 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 abstract 2
- 238000004321 preservation Methods 0.000 abstract 1
- 239000012265 solid product Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 23
- 230000000694 effects Effects 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 238000001237 Raman spectrum Methods 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110228612.6A CN113105322B (zh) | 2021-03-02 | 2021-03-02 | 一种大颗粒苯甲酸晶体的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110228612.6A CN113105322B (zh) | 2021-03-02 | 2021-03-02 | 一种大颗粒苯甲酸晶体的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113105322A CN113105322A (zh) | 2021-07-13 |
CN113105322B true CN113105322B (zh) | 2022-11-11 |
Family
ID=76710038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110228612.6A Active CN113105322B (zh) | 2021-03-02 | 2021-03-02 | 一种大颗粒苯甲酸晶体的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113105322B (zh) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101391155B (zh) * | 2008-10-22 | 2010-06-09 | 大连理工大学 | 一种高效结晶装置 |
US10633331B2 (en) * | 2014-07-17 | 2020-04-28 | Stamicarbon B.V. | Method of making a urea product |
CN111646969A (zh) * | 2020-06-05 | 2020-09-11 | 天津科技大学 | 大颗粒维生素e琥珀酸酯晶体的制备方法 |
-
2021
- 2021-03-02 CN CN202110228612.6A patent/CN113105322B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN113105322A (zh) | 2021-07-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110054196B (zh) | 一种有机分子诱导制备高纯球形速溶硼酸的方法 | |
CN102329212A (zh) | 长链二元酸的精制方法 | |
JP5241778B2 (ja) | 塩化ストロンチウム六水和物の製造方法 | |
CN102503800A (zh) | 一种c11-c18长链二元酸的精制方法 | |
CN107382709B (zh) | 一种精制十二碳二元酸的水相结晶方法 | |
JP2016216447A (ja) | 無水酢酸ナトリウム結晶の製造方法及び無水酢酸ナトリウム結晶 | |
CN105031963A (zh) | 一种集成反溶剂-真空蒸发-冷却或反溶剂的结晶方法 | |
CN1290812C (zh) | 一种从木糖醇母液中提取木糖醇的方法 | |
US6414138B1 (en) | Process for producing mixtures rich in 1,6-GPS or 1,1-GPM | |
CN113105322B (zh) | 一种大颗粒苯甲酸晶体的制备方法 | |
TWI574938B (zh) | 製備左旋肉鹼酒石酸鹽之方法 | |
CN106905139B (zh) | 一种高纯度己二酸提取工艺 | |
CN113620794A (zh) | 一种制备大粒度乙基香兰素的结晶方法 | |
CN105753728B (zh) | 一种药用级l‑缬氨酸的溶析结晶方法 | |
CN107629873A (zh) | 一种低温结晶富集鱼油epa、dha的方法 | |
CN109762030A (zh) | 一种三氯蔗糖的结晶方法 | |
CN112851492A (zh) | 从含苯甲酸钠废水中回收苯甲酸的方法 | |
CN104987287A (zh) | 一种球形酮基布洛芬赖氨酸盐的制备方法 | |
CN111646969A (zh) | 大颗粒维生素e琥珀酸酯晶体的制备方法 | |
CN109232677B (zh) | 一种使n-乙酰神经氨酸水合物转化为n-乙酰神经氨酸的方法 | |
RU2347817C1 (ru) | Способ кристаллизации глюкозы | |
CN103539733B (zh) | 一种对氨基水杨酸异烟肼的制备方法 | |
CN106977413B (zh) | 一种dl-门冬氨酸dl-鸟氨酸的制备方法 | |
CN109096097A (zh) | 一种制取高纯度聚合级结晶乳酸的方法 | |
CN104610210B (zh) | 一种脱氢醋酸钠无水物制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240429 Address after: 300457 Tianjin Binhai New Area Economic and Technological Development Zone Binhai Zhongguancun Science and Technology Park Rongchuang Rongsheng Square Building 4 North Tower 604 Patentee after: Tianjin Zhongfu Chemical Technology Co.,Ltd. Country or region after: China Address before: No.9, 13th Street, economic and Technological Development Zone, Binhai New Area, Tianjin Patentee before: TIANJIN University OF SCIENCE AND TECHNOLOGY Country or region before: China |