NL170374C - Werkwijze voor het afscheiden van water uit mengsels van water en formaldehyd. - Google Patents
Werkwijze voor het afscheiden van water uit mengsels van water en formaldehyd.Info
- Publication number
- NL170374C NL170374C NLAANVRAGE7108146,A NL7108146A NL170374C NL 170374 C NL170374 C NL 170374C NL 7108146 A NL7108146 A NL 7108146A NL 170374 C NL170374 C NL 170374C
- Authority
- NL
- Netherlands
- Prior art keywords
- water
- membranes
- june
- contact
- feed mixture
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 5
- 239000000203 mixture Substances 0.000 title abstract 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title 2
- 239000012528 membrane Substances 0.000 abstract 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 abstract 1
- 239000004159 Potassium persulphate Substances 0.000 abstract 1
- 125000000129 anionic group Chemical group 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 125000002091 cationic group Chemical group 0.000 abstract 1
- JVTNITZKZIQWTG-UHFFFAOYSA-N diazanium sulfate heptahydrate Chemical compound [NH4+].[NH4+].O.O.O.O.O.O.O.[O-]S([O-])(=O)=O JVTNITZKZIQWTG-UHFFFAOYSA-N 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 abstract 1
- 229920000620 organic polymer Polymers 0.000 abstract 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 abstract 1
- 235000019394 potassium persulphate Nutrition 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 abstract 1
- 235000010262 sodium metabisulphite Nutrition 0.000 abstract 1
- 239000004296 sodium metabisulphite Substances 0.000 abstract 1
- JJMIAJGBZGZNHA-UHFFFAOYSA-N sodium;styrene Chemical compound [Na].C=CC1=CC=CC=C1 JJMIAJGBZGZNHA-UHFFFAOYSA-N 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/34—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D309/36—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms
- C07D309/40—Oxygen atoms attached in positions 3 and 4, e.g. maltol
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/24—Dialysis ; Membrane extraction
- B01D61/246—Membrane extraction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
- B01D71/82—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74 characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/82—Purification; Separation; Stabilisation; Use of additives
- C07C209/84—Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/32—Separation; Purification; Stabilisation; Use of additives
- C07C253/34—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/786—Separation; Purification; Stabilisation; Use of additives by membrane separation process, e.g. pervaporation, perstraction, reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/14—Membrane materials having negatively charged functional groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4680070A | 1970-06-16 | 1970-06-16 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7108146A NL7108146A (enExample) | 1971-12-20 |
| NL170374B NL170374B (nl) | 1982-06-01 |
| NL170374C true NL170374C (nl) | 1982-11-01 |
Family
ID=21945460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7108146,A NL170374C (nl) | 1970-06-16 | 1971-06-14 | Werkwijze voor het afscheiden van water uit mengsels van water en formaldehyd. |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5410548B1 (enExample) |
| BE (1) | BE768540A (enExample) |
| DE (1) | DE2129723C3 (enExample) |
| FR (1) | FR2096357A5 (enExample) |
| GB (1) | GB1351187A (enExample) |
| IL (1) | IL37061A (enExample) |
| NL (1) | NL170374C (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1396091A (en) * | 1971-02-18 | 1975-05-29 | Babcock & Wilcox Ltd | Semi-permeable membranes |
| US4218312A (en) * | 1975-12-01 | 1980-08-19 | Monsanto Company | Membrane separation of organics from aqueous solutions |
| US4758348A (en) * | 1985-02-01 | 1988-07-19 | Sagami Chemical Research Center | Copolymer, separating membrane made thereof and method for separating charge transfer interactive substance from a liquid mixture containing the same |
| DE3853366T2 (de) * | 1987-12-02 | 1995-07-27 | Japan As Represented By Minist | Hydrolysierte Membran und Verfahren zu deren Herstellung. |
| US4992176A (en) * | 1989-10-23 | 1991-02-12 | Texaco Inc. | Dehydration of organic oxygenates |
| DE102013223126A1 (de) * | 2013-11-13 | 2015-05-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Herstellung von lösemittelstabilen Polymermembranen, Polymermembran sowie Lösung zur Herstellung einer Polymermembran |
| EP3639913A4 (en) * | 2017-06-15 | 2021-04-14 | Kaneka Corporation | POROUS MEMBRANE FOR USE IN WATER TREATMENT |
| CN108440306B (zh) * | 2018-05-24 | 2023-11-03 | 柏川新材料科技(宁波)有限公司 | 一种四甲基碳酸铵的绿色生产的设备及方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2953502A (en) * | 1955-05-24 | 1960-09-20 | American Oil Co | Separation of azeotropic mixtures |
| BE602045A (enExample) * | 1961-03-08 | |||
| FR1578019A (enExample) * | 1968-04-29 | 1969-08-14 |
-
1971
- 1971-06-14 NL NLAANVRAGE7108146,A patent/NL170374C/xx not_active IP Right Cessation
- 1971-06-15 JP JP4286971A patent/JPS5410548B1/ja active Pending
- 1971-06-15 IL IL37061A patent/IL37061A/xx unknown
- 1971-06-15 BE BE768540A patent/BE768540A/xx unknown
- 1971-06-15 FR FR7121694A patent/FR2096357A5/fr not_active Expired
- 1971-06-15 DE DE2129723A patent/DE2129723C3/de not_active Expired
- 1971-06-15 GB GB2799071A patent/GB1351187A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IL37061A0 (en) | 1971-08-25 |
| DE2129723B2 (de) | 1980-09-04 |
| FR2096357A5 (enExample) | 1972-02-11 |
| GB1351187A (en) | 1974-04-24 |
| DE2129723C3 (de) | 1981-08-20 |
| NL170374B (nl) | 1982-06-01 |
| JPS5410548B1 (enExample) | 1979-05-08 |
| BE768540A (fr) | 1971-12-15 |
| DE2129723A1 (de) | 1971-12-23 |
| IL37061A (en) | 1974-11-29 |
| NL7108146A (enExample) | 1971-12-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V1 | Lapsed because of non-payment of the annual fee |