GB1251430A - - Google Patents
Info
- Publication number
- GB1251430A GB1251430A GB1251430DA GB1251430A GB 1251430 A GB1251430 A GB 1251430A GB 1251430D A GB1251430D A GB 1251430DA GB 1251430 A GB1251430 A GB 1251430A
- Authority
- GB
- United Kingdom
- Prior art keywords
- compartment
- dilution
- hno
- aqueous solution
- compartments
- 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
- 239000012895 dilution Substances 0.000 abstract 6
- 238000010790 dilution Methods 0.000 abstract 6
- 239000007864 aqueous solution Substances 0.000 abstract 4
- 125000002091 cationic group Chemical group 0.000 abstract 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000012528 membrane Substances 0.000 abstract 2
- 239000012452 mother liquor Substances 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 125000000129 anionic group Chemical group 0.000 abstract 1
- 238000000909 electrodialysis Methods 0.000 abstract 1
- 150000001261 hydroxy acids Chemical class 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 235000014655 lactic acid Nutrition 0.000 abstract 1
- 239000004310 lactic acid Substances 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 abstract 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 abstract 1
- 239000010935 stainless steel Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- 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
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR175758 | 1968-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1251430A true GB1251430A (enrdf_load_stackoverflow) | 1971-10-27 |
Family
ID=8657579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1251430D Expired GB1251430A (enrdf_load_stackoverflow) | 1968-11-28 | 1969-11-26 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE742334A (enrdf_load_stackoverflow) |
| BR (1) | BR6914497D0 (enrdf_load_stackoverflow) |
| DE (1) | DE1959897A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1593764A (enrdf_load_stackoverflow) |
| GB (1) | GB1251430A (enrdf_load_stackoverflow) |
| LU (1) | LU59902A1 (enrdf_load_stackoverflow) |
| NL (1) | NL6917502A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19600620C1 (de) * | 1996-01-10 | 1997-04-17 | Hoechst Ag | Verfahren zur Darstellung einer besonders reinen Glykolsäure |
-
1968
- 1968-11-28 FR FR1593764D patent/FR1593764A/fr not_active Expired
-
1969
- 1969-11-20 NL NL6917502A patent/NL6917502A/xx unknown
- 1969-11-25 BR BR21449769A patent/BR6914497D0/pt unknown
- 1969-11-26 GB GB1251430D patent/GB1251430A/en not_active Expired
- 1969-11-27 BE BE742334D patent/BE742334A/xx unknown
- 1969-11-27 LU LU59902D patent/LU59902A1/xx unknown
- 1969-11-28 DE DE19691959897 patent/DE1959897A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| LU59902A1 (enrdf_load_stackoverflow) | 1970-05-27 |
| BE742334A (enrdf_load_stackoverflow) | 1970-05-27 |
| NL6917502A (enrdf_load_stackoverflow) | 1970-06-01 |
| FR1593764A (enrdf_load_stackoverflow) | 1970-06-01 |
| BR6914497D0 (pt) | 1973-05-03 |
| DE1959897A1 (de) | 1970-06-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |