FR2505202B3 - - Google Patents
Info
- Publication number
- FR2505202B3 FR2505202B3 FR8206764A FR8206764A FR2505202B3 FR 2505202 B3 FR2505202 B3 FR 2505202B3 FR 8206764 A FR8206764 A FR 8206764A FR 8206764 A FR8206764 A FR 8206764A FR 2505202 B3 FR2505202 B3 FR 2505202B3
- Authority
- FR
- France
- Prior art keywords
- mixture
- water
- separation
- dissolved
- dissolved solid
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/16—Separation; Purification; Stabilisation; Use of additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D12/00—Displacing liquid, e.g. from wet solids or from dispersions of liquids or from solids in liquids, by means of another liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/36—Azeotropic distillation
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0018—Evaporation of components of the mixture to be separated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Dispersion Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/262,078 US4416734A (en) | 1981-05-11 | 1981-05-11 | Separation of nitroalkanol by azeotropic distillation |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2505202A1 FR2505202A1 (fr) | 1982-11-12 |
FR2505202B3 true FR2505202B3 (fr) | 1984-12-07 |
Family
ID=22996067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8206764A Granted FR2505202A1 (fr) | 1981-05-11 | 1982-04-20 | Procede de recuperation de matieres solides dissoutes a partir d'une solution aqueuse les contenant |
Country Status (3)
Country | Link |
---|---|
US (1) | US4416734A (fr) |
DE (1) | DE3216262A1 (fr) |
FR (1) | FR2505202A1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HU203678B (en) * | 1988-09-26 | 1991-09-30 | Richter Gedeon Vegyeszet | Method for increased dewatering condensation reaction mixtures |
US5618902A (en) * | 1995-11-03 | 1997-04-08 | General Electric Company | Vapor precipitation of polymers from solvent polymer blends by azeotropic spray drying |
US5716499A (en) * | 1996-08-12 | 1998-02-10 | Berg; Lloyd | Separation of 2-methyl-1-propanol from 1-butanol by azeotropic distillation |
US5723024A (en) * | 1996-08-26 | 1998-03-03 | Berg; Lloyd | Separation of 2-methyl-1-propanol from 1-butanol by extractive distillation |
US5723025A (en) * | 1996-09-19 | 1998-03-03 | Berg; Lloyd | Separation of 2-methyl-1-propanol from 2-butanol by extractive distillation |
US5738764A (en) * | 1997-04-08 | 1998-04-14 | Berg; Lloyd | Separation of T-Amyl alcohol from 2-methyl-1- propanol by azeotropic distillation |
US5718809A (en) * | 1997-04-08 | 1998-02-17 | Berg; Lloyd | Separation of t-amyl alcohol from 2-methyl-1-propanol by extractive distillation |
US5776321A (en) * | 1997-05-30 | 1998-07-07 | Berg; Lloyd | Separation of t-amyl alcohol from 1-propanol by azeotropic distillation |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2301259A (en) * | 1939-10-25 | 1942-11-10 | Hercules Powder Co Ltd | Method of producing nitrohydroxy compounds |
US2347312A (en) * | 1939-10-25 | 1944-04-25 | Hercules Powder Co Ltd | Method of producing trimethylolnitromethane |
US2327961A (en) * | 1941-07-17 | 1943-08-24 | Purdue Research Foundation | Nitro glycol |
US2441602A (en) * | 1943-11-23 | 1948-05-18 | Heyden Chemical Corp | Recovery of products from pentaerythritol process waste liquors |
US2474735A (en) * | 1945-05-16 | 1949-06-28 | Merck & Co Inc | Dehydration of compounds by distillation with hydrophobic oil |
US2602045A (en) * | 1946-08-03 | 1952-07-01 | Commercial Solvents Corp | Azeotropic distillation process for preparing pure, crystalline penicillin salts |
US2480380A (en) * | 1947-06-18 | 1949-08-30 | Kay Fries Chemicals Inc | Recovery of cyanoacetic acid from aqueous inorganic salt solutions |
US2831900A (en) * | 1955-09-12 | 1958-04-22 | Shell Dev | Preparation of 1, 2, 3, 4, 7, 7-hexachlorobi-cyclo(2.2.1)-2, 5-heptadiene |
US3081349A (en) * | 1958-07-25 | 1963-03-12 | Goodyear Tire & Rubber | Catalysts for condensation reactions of primary amines with dihydroxy aromatic compounds |
LU42936A1 (fr) * | 1962-01-02 | 1963-03-29 | ||
US3232979A (en) * | 1962-05-24 | 1966-02-01 | Fmc Corp | Method for producing and recovering organic peroxy acids |
US3472929A (en) * | 1968-10-23 | 1969-10-14 | Armour Pharma | Method of making alcohol-soluble complexes of aluminum |
US3647639A (en) * | 1969-07-07 | 1972-03-07 | Shell Oil Co | Salt drying by plural stage azeotropic distillation with plural entrainers |
US3655781A (en) * | 1969-07-22 | 1972-04-11 | Commercial Solvents Corp | Crystallization of 2-nitro-2-methyl-1-propanol |
GB1289584A (fr) * | 1970-03-14 | 1972-09-20 | ||
US3624174A (en) * | 1970-05-11 | 1971-11-30 | Chem Systems | Recovery of anthracene and carbazole |
US4026681A (en) * | 1975-12-04 | 1977-05-31 | Roskelley Thomas J | Gas dehydrator process |
-
1981
- 1981-05-11 US US06/262,078 patent/US4416734A/en not_active Expired - Fee Related
-
1982
- 1982-04-20 FR FR8206764A patent/FR2505202A1/fr active Granted
- 1982-04-30 DE DE19823216262 patent/DE3216262A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3216262A1 (de) | 1982-12-02 |
FR2505202A1 (fr) | 1982-11-12 |
US4416734A (en) | 1983-11-22 |
DE3216262C2 (fr) | 1992-01-02 |
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