DE2728316C3 - - Google Patents
Info
- Publication number
- DE2728316C3 DE2728316C3 DE2728316A DE2728316A DE2728316C3 DE 2728316 C3 DE2728316 C3 DE 2728316C3 DE 2728316 A DE2728316 A DE 2728316A DE 2728316 A DE2728316 A DE 2728316A DE 2728316 C3 DE2728316 C3 DE 2728316C3
- Authority
- DE
- Germany
- Prior art keywords
- sodium
- methanol
- solution
- sodium carbonate
- water
- 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 - Lifetime
Links
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 171
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 114
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 35
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 claims description 34
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 claims description 33
- 235000019254 sodium formate Nutrition 0.000 claims description 33
- 239000004280 Sodium formate Substances 0.000 claims description 32
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims description 24
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 14
- 239000002002 slurry Substances 0.000 claims description 11
- 235000019253 formic acid Nutrition 0.000 claims description 8
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 claims description 4
- 229910004878 Na2S2O4 Inorganic materials 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 150000004702 methyl esters Chemical class 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 87
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 80
- 239000000243 solution Substances 0.000 description 42
- 238000006243 chemical reaction Methods 0.000 description 20
- 239000000428 dust Substances 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 13
- 238000002474 experimental method Methods 0.000 description 13
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 12
- 229910052708 sodium Inorganic materials 0.000 description 12
- 239000011734 sodium Substances 0.000 description 12
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 11
- 239000000047 product Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000003513 alkali Substances 0.000 description 9
- 239000000376 reactant Substances 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- AXDJCCTWPBKUKL-UHFFFAOYSA-N 4-[(4-aminophenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]aniline;hydron;chloride Chemical compound Cl.C1=CC(=N)C(C)=CC1=C(C=1C=CC(N)=CC=1)C1=CC=C(N)C=C1 AXDJCCTWPBKUKL-UHFFFAOYSA-N 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 6
- 238000013459 approach Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 229910052783 alkali metal Inorganic materials 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 150000001340 alkali metals Chemical class 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000010561 standard procedure Methods 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 2
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000012527 feed solution Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- LZEYSYAHUTWDGM-UHFFFAOYSA-M C(=O)[O-].[S+](=O)=O Chemical compound C(=O)[O-].[S+](=O)=O LZEYSYAHUTWDGM-UHFFFAOYSA-M 0.000 description 1
- 241000282836 Camelus dromedarius Species 0.000 description 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- 229910005960 SO2 a Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- -1 alkali metal formate Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011165 process development Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005029 sieve analysis Methods 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/64—Thiosulfates; Dithionites; Polythionates
- C01B17/66—Dithionites or hydrosulfites (S2O42-)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US69946276A | 1976-06-24 | 1976-06-24 | |
| US80652777A | 1977-06-14 | 1977-06-14 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2728316A1 DE2728316A1 (de) | 1978-01-05 |
| DE2728316B2 DE2728316B2 (de) | 1980-10-23 |
| DE2728316C3 true DE2728316C3 (enrdf_load_stackoverflow) | 1990-08-23 |
Family
ID=27106430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2728316A Granted DE2728316B2 (de) | 1976-06-24 | 1977-06-23 | Absatzweises Verfahren zur Herstellung von wasserfreiem Natriumdithionit (Na2 S2 O4) |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS6020321B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1103888A (enrdf_load_stackoverflow) |
| DE (1) | DE2728316B2 (enrdf_load_stackoverflow) |
| FR (1) | FR2355775A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1584626A (enrdf_load_stackoverflow) |
| IT (1) | IT1143585B (enrdf_load_stackoverflow) |
| MX (1) | MX147264A (enrdf_load_stackoverflow) |
| NO (1) | NO149884C (enrdf_load_stackoverflow) |
| SE (1) | SE418490B (enrdf_load_stackoverflow) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3411875A (en) * | 1964-04-08 | 1968-11-19 | Mitsubishi Edogawa Kagaku Kk | Process for the production of anhydrous hydrosulfites |
| DE1592013B2 (de) * | 1966-05-16 | 1972-08-24 | Mitsubishi Edogawa Kagaku K K , Tokio | Verfahren zur herstellung eines wasserfreien natrium-hyposulfits |
| JPS4814316B1 (enrdf_load_stackoverflow) * | 1969-01-10 | 1973-05-07 | ||
| US3887695A (en) * | 1970-02-05 | 1975-06-03 | Virginia Chemicals Inc | Production of sodium hydrosulfite from formates |
| GB1461785A (en) * | 1973-03-30 | 1977-01-19 | Boc Ltd | Alkali metal dithionite manufacture |
-
1977
- 1977-06-17 CA CA280,843A patent/CA1103888A/en not_active Expired
- 1977-06-20 NO NO77772165A patent/NO149884C/no unknown
- 1977-06-21 GB GB25816/77A patent/GB1584626A/en not_active Expired
- 1977-06-22 SE SE7707235A patent/SE418490B/xx not_active IP Right Cessation
- 1977-06-23 FR FR7719337A patent/FR2355775A1/fr active Granted
- 1977-06-23 DE DE2728316A patent/DE2728316B2/de active Granted
- 1977-06-23 IT IT49962/77A patent/IT1143585B/it active
- 1977-06-24 MX MX169610A patent/MX147264A/es unknown
- 1977-06-24 JP JP52075360A patent/JPS6020321B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2728316A1 (de) | 1978-01-05 |
| FR2355775B1 (enrdf_load_stackoverflow) | 1984-04-13 |
| JPS6020321B2 (ja) | 1985-05-21 |
| GB1584626A (en) | 1981-02-18 |
| IT1143585B (it) | 1986-10-22 |
| NO772165L (no) | 1977-12-28 |
| DE2728316B2 (de) | 1980-10-23 |
| CA1103888A (en) | 1981-06-30 |
| SE7707235L (sv) | 1977-12-25 |
| FR2355775A1 (fr) | 1978-01-20 |
| JPS5316388A (en) | 1978-02-15 |
| MX147264A (es) | 1982-10-29 |
| NO149884B (no) | 1984-04-02 |
| SE418490B (sv) | 1981-06-09 |
| NO149884C (no) | 1984-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8263 | Opposition against grant of a patent | ||
| 8228 | New agent |
Free format text: JUNG, E., DIPL.-CHEM. DR.PHIL. SCHIRDEWAHN, J., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN |
|
| 8227 | New person/name/address of the applicant |
Free format text: HOECHST CELANESE CORP., SOMERVILLE, N.J., US |
|
| 8228 | New agent |
Free format text: JUNG, E., DIPL.-CHEM. DR.PHIL. SCHIRDEWAHN, J., DIPL.-PHYS. DR.RER.NAT. GERNHARDT, C., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN |
|
| C3 | Grant after two publication steps (3rd publication) |