NO115807B - - Google Patents
Info
- Publication number
- NO115807B NO115807B NO158440A NO15844065A NO115807B NO 115807 B NO115807 B NO 115807B NO 158440 A NO158440 A NO 158440A NO 15844065 A NO15844065 A NO 15844065A NO 115807 B NO115807 B NO 115807B
- Authority
- NO
- Norway
- Prior art keywords
- acids
- precipitated
- molecular weight
- methanol
- low molecular
- Prior art date
Links
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 291
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 150
- 150000003839 salts Chemical class 0.000 claims description 87
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 61
- 238000000605 extraction Methods 0.000 claims description 57
- 238000001556 precipitation Methods 0.000 claims description 56
- 239000002253 acid Substances 0.000 claims description 48
- 150000007513 acids Chemical class 0.000 claims description 43
- 150000001720 carbohydrates Chemical class 0.000 claims description 43
- 235000014633 carbohydrates Nutrition 0.000 claims description 43
- 239000007788 liquid Substances 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 38
- 230000001376 precipitating effect Effects 0.000 claims description 34
- DIORMHZUUKOISG-UHFFFAOYSA-N sulfoformic acid Chemical class OC(=O)S(O)(=O)=O DIORMHZUUKOISG-UHFFFAOYSA-N 0.000 claims description 32
- 239000003795 chemical substances by application Substances 0.000 claims description 31
- 239000000843 powder Substances 0.000 claims description 28
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000004821 distillation Methods 0.000 claims description 23
- 239000000706 filtrate Substances 0.000 claims description 23
- PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 claims description 16
- 230000002378 acidificating effect Effects 0.000 claims description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical group OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 14
- 238000004508 fractional distillation Methods 0.000 claims description 13
- 238000001704 evaporation Methods 0.000 claims description 12
- 230000008020 evaporation Effects 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 10
- 238000005194 fractionation Methods 0.000 claims description 10
- 150000001735 carboxylic acids Chemical class 0.000 claims description 5
- 238000005342 ion exchange Methods 0.000 claims description 5
- 150000003460 sulfonic acids Chemical class 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 239000003495 polar organic solvent Substances 0.000 claims description 2
- 230000001476 alcoholic effect Effects 0.000 claims 3
- 239000000243 solution Substances 0.000 description 79
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 78
- 239000011575 calcium Substances 0.000 description 37
- 238000003756 stirring Methods 0.000 description 36
- 229920005610 lignin Polymers 0.000 description 31
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 27
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 22
- 235000019441 ethanol Nutrition 0.000 description 22
- 150000002402 hexoses Chemical class 0.000 description 17
- 150000002972 pentoses Chemical class 0.000 description 15
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 15
- 229920001429 chelating resin Polymers 0.000 description 13
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 12
- 229920001732 Lignosulfonate Polymers 0.000 description 9
- 238000002955 isolation Methods 0.000 description 9
- 150000003863 ammonium salts Chemical class 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 6
- 238000009835 boiling Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 3
- 241000218657 Picea Species 0.000 description 3
- 239000001110 calcium chloride Substances 0.000 description 3
- 235000011148 calcium chloride Nutrition 0.000 description 3
- 229910001628 calcium chloride Inorganic materials 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 241000006364 Torula Species 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- QULKDBMYSOOKMH-UHFFFAOYSA-N sulfo hydrogen carbonate Chemical class OC(=O)OS(O)(=O)=O QULKDBMYSOOKMH-UHFFFAOYSA-N 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
- NOOLISFMXDJSKH-UTLUCORTSA-N (+)-Neomenthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@@H]1O NOOLISFMXDJSKH-UTLUCORTSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 241000269627 Amphiuma means Species 0.000 description 1
- NOOLISFMXDJSKH-UHFFFAOYSA-N DL-menthol Natural products CC(C)C1CCC(C)CC1O NOOLISFMXDJSKH-UHFFFAOYSA-N 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- -1 ammonium ions Chemical class 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- ZETCGWYACBNPIH-UHFFFAOYSA-N azane;sulfurous acid Chemical compound N.OS(O)=O ZETCGWYACBNPIH-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 150000004653 carbonic acids Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- RBNPOMFGQQGHHO-UHFFFAOYSA-M glycerate Chemical class OCC(O)C([O-])=O RBNPOMFGQQGHHO-UHFFFAOYSA-M 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 125000000686 lactone group Chemical group 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229940041616 menthol Drugs 0.000 description 1
- BSUHUYNJLGMEPD-UHFFFAOYSA-N methanol;propan-1-ol Chemical compound OC.CCCO BSUHUYNJLGMEPD-UHFFFAOYSA-N 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 230000029219 regulation of pH Effects 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- UMFCIIBZHQXRCJ-NSCUHMNNSA-N trans-anol Chemical compound C\C=C\C1=CC=C(O)C=C1 UMFCIIBZHQXRCJ-NSCUHMNNSA-N 0.000 description 1
- MWOOGOJBHIARFG-UHFFFAOYSA-N vanillin Chemical compound COC1=CC(C=O)=CC=C1O MWOOGOJBHIARFG-UHFFFAOYSA-N 0.000 description 1
- FGQOOHJZONJGDT-UHFFFAOYSA-N vanillin Natural products COC1=CC(O)=CC(C=O)=C1 FGQOOHJZONJGDT-UHFFFAOYSA-N 0.000 description 1
- 235000012141 vanillin Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/04—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using storage elements having cylindrical form, e.g. rod, wire
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Semiconductor Memories (AREA)
- Static Random-Access Memory (AREA)
- Compounds Of Unknown Constitution (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US373980A US3418644A (en) | 1964-06-10 | 1964-06-10 | Thin film memory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO115807B true NO115807B (https=) | 1968-12-09 |
Family
ID=23474730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO158440A NO115807B (https=) | 1964-06-10 | 1965-06-10 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3418644A (https=) |
| JP (1) | JPS5340851B1 (https=) |
| AT (1) | AT256516B (https=) |
| BE (1) | BE665130A (https=) |
| CH (1) | CH422894A (https=) |
| DE (1) | DE1283899B (https=) |
| FR (1) | FR1445598A (https=) |
| GB (1) | GB1035870A (https=) |
| NL (1) | NL6507420A (https=) |
| NO (1) | NO115807B (https=) |
| SE (1) | SE342520B (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3509550A (en) * | 1966-11-14 | 1970-04-28 | Ncr Co | Ndro thin film memory |
| EP0588503B1 (en) * | 1992-09-10 | 1998-10-07 | National Semiconductor Corporation | Integrated circuit magnetic memory element and method of making same |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1097182B (de) * | 1956-05-04 | 1961-01-12 | Siemens Ag | Magnetkernspeicher fuer digital arbeitende Nachrichtenverarbeitungsmaschinen |
| DE1068920B (de) * | 1957-03-04 | 1959-11-12 | Kienzle Apparate G.M.B.H., Villingen (Schwarzw.) | Speicher-Matrix |
| US3258584A (en) * | 1957-04-09 | 1966-06-28 | Data transfer and conversion system | |
| US3069661A (en) * | 1957-10-16 | 1962-12-18 | Bell Telephone Labor Inc | Magnetic memory devices |
| NL247890A (https=) * | 1959-02-04 | |||
| NL124900C (https=) * | 1963-03-26 | |||
| US3351922A (en) * | 1963-10-31 | 1967-11-07 | Hughes Aircraft Co | Collapsing domain magnetic memory |
| US3299412A (en) * | 1963-12-30 | 1967-01-17 | Sylvania Electric Prod | Semi-permanent memory |
| US3334335A (en) * | 1964-05-27 | 1967-08-01 | Sylvania Electric Prod | Electronic data processing |
-
1964
- 1964-06-10 US US373980A patent/US3418644A/en not_active Expired - Lifetime
-
1965
- 1965-05-26 CH CH750565A patent/CH422894A/fr unknown
- 1965-05-28 GB GB22728/65A patent/GB1035870A/en not_active Expired
- 1965-05-31 FR FR18855A patent/FR1445598A/fr not_active Expired
- 1965-06-04 SE SE7394/65A patent/SE342520B/xx unknown
- 1965-06-05 DE DEN26839A patent/DE1283899B/de active Pending
- 1965-06-09 BE BE665130A patent/BE665130A/xx unknown
- 1965-06-10 NO NO158440A patent/NO115807B/no unknown
- 1965-06-10 NL NL6507420A patent/NL6507420A/xx unknown
- 1965-06-10 AT AT524265A patent/AT256516B/de active
-
1975
- 1975-03-10 JP JP2891075A patent/JPS5340851B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE665130A (https=) | 1965-10-01 |
| CH422894A (fr) | 1966-10-31 |
| SE342520B (https=) | 1972-02-07 |
| DE1283899B (de) | 1968-11-28 |
| GB1035870A (en) | 1966-07-13 |
| NL6507420A (https=) | 1965-12-13 |
| FR1445598A (fr) | 1966-07-15 |
| US3418644A (en) | 1968-12-24 |
| JPS5340851B1 (https=) | 1978-10-30 |
| AT256516B (de) | 1967-08-25 |
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