JPWO2022255372A1 - - Google Patents
Info
- Publication number
- JPWO2022255372A1 JPWO2022255372A1 JP2023525866A JP2023525866A JPWO2022255372A1 JP WO2022255372 A1 JPWO2022255372 A1 JP WO2022255372A1 JP 2023525866 A JP2023525866 A JP 2023525866A JP 2023525866 A JP2023525866 A JP 2023525866A JP WO2022255372 A1 JPWO2022255372 A1 JP WO2022255372A1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/02—Crystallisation from solutions
-
- 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
- B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/004—Fractional crystallisation; Fractionating or rectifying columns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/004—Fractional crystallisation; Fractionating or rectifying columns
- B01D9/0045—Washing of crystals, e.g. in wash columns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0063—Control or regulation
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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
-
- 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
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021093031 | 2021-06-02 | ||
| PCT/JP2022/022160 WO2022255372A1 (ja) | 2021-06-02 | 2022-05-31 | 精製装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPWO2022255372A1 true JPWO2022255372A1 (ja) | 2022-12-08 |
Family
ID=84323444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023525866A Pending JPWO2022255372A1 (ja) | 2021-06-02 | 2022-05-31 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20240252951A1 (ja) |
| EP (1) | EP4349444A1 (ja) |
| JP (1) | JPWO2022255372A1 (ja) |
| CN (1) | CN117412796A (ja) |
| TW (1) | TW202313168A (ja) |
| WO (1) | WO2022255372A1 (ja) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0968746B1 (en) * | 1997-02-27 | 2003-10-15 | Ajinomoto Co., Inc. | Crystallization apparatus and crystallization method |
| US6508583B1 (en) | 2000-11-28 | 2003-01-21 | E. I. Du Pont De Nemours And Company | Agitated vessel for producing a suspension of solids |
| DE10156016A1 (de) | 2001-11-15 | 2003-06-05 | Basf Ag | Vorrichtung zum reinigenden Abtrennen von Kristallen aus ihrer Suspension in verunreinigter Kristallschmelze |
| EP1448283B1 (de) | 2001-11-15 | 2006-02-22 | Basf Aktiengesellschaft | Verfahren zum reinigenden abtrennen von kristallen aus ihrer suspension in mutterlauge |
| NL1019862C2 (nl) | 2002-01-30 | 2003-07-31 | Tno | Werkwijze en inrichting voor het verwerken van een suspensie. |
| JP2004315456A (ja) * | 2003-04-17 | 2004-11-11 | Mitsubishi Chemicals Corp | 高純度テレフタル酸の製造方法 |
| JP4518465B2 (ja) | 2003-07-07 | 2010-08-04 | 月島機械株式会社 | 晶析方法及び装置 |
| JP5715318B2 (ja) | 2005-12-06 | 2015-05-07 | 株式会社日本触媒 | アクリル酸の製造方法 |
| EP2327681B1 (en) | 2008-09-22 | 2016-05-04 | Nippon Shokubai Co., Ltd. | Fixed-bed reactor and process for producing acrylic acid using the reactor |
| JP5929480B2 (ja) | 2012-02-01 | 2016-06-08 | 三菱レイヨン株式会社 | メタクリル酸の精製方法 |
-
2022
- 2022-05-31 US US18/566,207 patent/US20240252951A1/en active Pending
- 2022-05-31 WO PCT/JP2022/022160 patent/WO2022255372A1/ja active Application Filing
- 2022-05-31 JP JP2023525866A patent/JPWO2022255372A1/ja active Pending
- 2022-05-31 CN CN202280039801.1A patent/CN117412796A/zh active Pending
- 2022-05-31 EP EP22816118.8A patent/EP4349444A1/en active Pending
- 2022-06-01 TW TW111120457A patent/TW202313168A/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN117412796A (zh) | 2024-01-16 |
| TW202313168A (zh) | 2023-04-01 |
| EP4349444A1 (en) | 2024-04-10 |
| US20240252951A1 (en) | 2024-08-01 |
| WO2022255372A1 (ja) | 2022-12-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20231201 |