JPS6131047B2 - - Google Patents
Info
- Publication number
- JPS6131047B2 JPS6131047B2 JP56094172A JP9417281A JPS6131047B2 JP S6131047 B2 JPS6131047 B2 JP S6131047B2 JP 56094172 A JP56094172 A JP 56094172A JP 9417281 A JP9417281 A JP 9417281A JP S6131047 B2 JPS6131047 B2 JP S6131047B2
- Authority
- JP
- Japan
- Prior art keywords
- parts
- discharged
- reaction
- crystals
- organic solvent
- 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
- 238000005406 washing Methods 0.000 claims description 40
- 238000006243 chemical reaction Methods 0.000 claims description 39
- 239000007788 liquid Substances 0.000 claims description 38
- 239000013078 crystal Substances 0.000 claims description 34
- 238000004140 cleaning Methods 0.000 claims description 30
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 claims description 26
- 239000012452 mother liquor Substances 0.000 claims description 22
- 150000001875 compounds Chemical class 0.000 claims description 17
- 239000003960 organic solvent Substances 0.000 claims description 17
- 239000000126 substance Substances 0.000 claims description 13
- 125000000217 alkyl group Chemical group 0.000 claims description 11
- 125000004432 carbon atom Chemical group C* 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 9
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 8
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 5
- 239000007810 chemical reaction solvent Substances 0.000 claims description 5
- -1 formic acid compound Chemical class 0.000 claims description 5
- 230000002401 inhibitory effect Effects 0.000 claims description 4
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- ZWAJLVLEBYIOTI-UHFFFAOYSA-N cyclohexene oxide Chemical compound C1CCCC2OC21 ZWAJLVLEBYIOTI-UHFFFAOYSA-N 0.000 claims description 3
- FWFSEYBSWVRWGL-UHFFFAOYSA-N cyclohexene oxide Natural products O=C1CCCC=C1 FWFSEYBSWVRWGL-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 235000019253 formic acid Nutrition 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical group 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 3
- 125000003107 substituted aryl group Chemical group 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 87
- 239000000243 solution Substances 0.000 description 29
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 18
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000001569 carbon dioxide Substances 0.000 description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
- 239000011259 mixed solution Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000004280 Sodium formate Substances 0.000 description 5
- 238000004821 distillation Methods 0.000 description 5
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 5
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 5
- 235000019254 sodium formate Nutrition 0.000 description 5
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 3
- 235000019345 sodium thiosulphate Nutrition 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002683 reaction inhibitor Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- OSDWBNJEKMUWAV-UHFFFAOYSA-N Allyl chloride Chemical compound ClCC=C OSDWBNJEKMUWAV-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- GKIPXFAANLTWBM-UHFFFAOYSA-N epibromohydrin Chemical compound BrCC1CO1 GKIPXFAANLTWBM-UHFFFAOYSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulfur dioxide Inorganic materials O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 1
- 235000010269 sulphur dioxide Nutrition 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)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56094172A JPS57209809A (en) | 1981-06-18 | 1981-06-18 | Preparation of dithionite |
US06/386,059 US4388291A (en) | 1981-06-18 | 1982-06-07 | Process for the production of dithionites |
IN664/CAL/82A IN155274B (en, 2012) | 1981-06-18 | 1982-06-10 | |
DE8282105148T DE3261938D1 (en) | 1981-06-18 | 1982-06-12 | Process for the production of dithionites |
EP82105148A EP0068248B1 (en) | 1981-06-18 | 1982-06-12 | Process for the production of dithionites |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56094172A JPS57209809A (en) | 1981-06-18 | 1981-06-18 | Preparation of dithionite |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57209809A JPS57209809A (en) | 1982-12-23 |
JPS6131047B2 true JPS6131047B2 (en, 2012) | 1986-07-17 |
Family
ID=14102919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56094172A Granted JPS57209809A (en) | 1981-06-18 | 1981-06-18 | Preparation of dithionite |
Country Status (5)
Country | Link |
---|---|
US (1) | US4388291A (en, 2012) |
EP (1) | EP0068248B1 (en, 2012) |
JP (1) | JPS57209809A (en, 2012) |
DE (1) | DE3261938D1 (en, 2012) |
IN (1) | IN155274B (en, 2012) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5941925B2 (ja) * | 1980-03-06 | 1984-10-11 | 三菱瓦斯化学株式会社 | 亜二チオン酸塩の製造法 |
US4590058A (en) * | 1985-02-21 | 1986-05-20 | Olin Corporation | Process for producing high purity solutions of alkali metal hydrosulfites |
US4622216A (en) * | 1985-08-06 | 1986-11-11 | Virginia Chemicals, Inc. | Treatment of sodium dithionite reaction mixture |
US7759273B2 (en) * | 2005-04-20 | 2010-07-20 | Cabot Corporation | Methods of forming an alkali metal salt |
EP3980378A4 (en) | 2019-06-10 | 2023-07-26 | Silox Canada Inc. | METHOD AND SYSTEM FOR PRODUCTION OF SODIUM HYDROSULPHITE CRYSTALS |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1434541A (fr) * | 1964-04-14 | 1966-04-08 | Zoutindustrie | Compositions sèches contenant du dithionite stabilisé |
US3927190A (en) * | 1966-05-16 | 1975-12-16 | Mitsubishi Gas Chemical Co | Method for producing anhydrous hydrosulfite |
US3718732A (en) * | 1971-01-13 | 1973-02-27 | Virginia Chemicals Inc | Method of recovering chemical values from a formate-sodium hydrosulfite reaction mixture |
JPS516113B2 (en, 2012) * | 1972-11-28 | 1976-02-25 | ||
US3961034A (en) * | 1974-09-25 | 1976-06-01 | Virginia Chemicals Inc. | Method of removing sodium thiosulfate from a hydrosulfite reaction mixture |
JPS51136597A (en) * | 1975-05-21 | 1976-11-26 | Mitsui Toatsu Chem Inc | Method for processing mother solution of sodium dithionite anhydride production |
JPS51136596A (en) * | 1975-05-21 | 1976-11-26 | Mitsui Toatsu Chem Inc | Method for processing mot her liquid in the production of sodium dithionite |
JPS5941925B2 (ja) * | 1980-03-06 | 1984-10-11 | 三菱瓦斯化学株式会社 | 亜二チオン酸塩の製造法 |
-
1981
- 1981-06-18 JP JP56094172A patent/JPS57209809A/ja active Granted
-
1982
- 1982-06-07 US US06/386,059 patent/US4388291A/en not_active Expired - Lifetime
- 1982-06-10 IN IN664/CAL/82A patent/IN155274B/en unknown
- 1982-06-12 EP EP82105148A patent/EP0068248B1/en not_active Expired
- 1982-06-12 DE DE8282105148T patent/DE3261938D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0068248A1 (en) | 1983-01-05 |
EP0068248B1 (en) | 1985-01-16 |
IN155274B (en, 2012) | 1985-01-12 |
DE3261938D1 (en) | 1985-02-28 |
US4388291A (en) | 1983-06-14 |
JPS57209809A (en) | 1982-12-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4256777B2 (ja) | 2,2,2−トリフルオロエタノールの製造方法 | |
JPS6131047B2 (en, 2012) | ||
JP2988019B2 (ja) | N−アルキルアミノエタンスルホン酸ナトリウムの製造方法 | |
JPS5941925B2 (ja) | 亜二チオン酸塩の製造法 | |
KR870001165B1 (ko) | 메르캅토벤조티아졸의 정제방법 | |
JPS6131048B2 (en, 2012) | ||
CN1064673C (zh) | 3,4-二羟基-5-硝基苯甲醛的制备方法 | |
KR100582334B1 (ko) | 설펜이미드의 제조방법 | |
US5283046A (en) | Method for re-use of aqueous co-product from manufacture of sodium dithionite | |
JPS58110406A (ja) | 亜二チオン酸塩の製造方法 | |
JP2517238B2 (ja) | 亜2チオン酸ナトリウム反応混合物の処理法 | |
JPS5879805A (ja) | 亜二チオン酸塩の製造方法 | |
JPS5891004A (ja) | 亜二チオン酸塩の製造方法 | |
US2250255A (en) | Method of purifying trimethylolnitromethane | |
JPS5948473A (ja) | N−フエニル−n′−1,2,3−チアジアゾ−ル−5−イル−尿素の製法 | |
JP3061494B2 (ja) | グリシジルアリールスルホナート類の製造方法 | |
US2033515A (en) | Apocupreine and apocupreine derivatives | |
JP2000211905A (ja) | フリーヒドロキシルアミン水溶液の製造方法 | |
SU829631A1 (ru) | Способ получени мононатриевой солифЕНилСилАНТРиОлА | |
US3192252A (en) | Preparation of sodium cyclohexylsulphamate | |
JPS5932461B2 (ja) | p−トルエンスルホン酸クロリドの精製方法 | |
JPS645030B2 (en, 2012) | ||
JPH10130221A (ja) | シアノメチルカルバミン酸エステルの製造方法 | |
JPS581114B2 (ja) | ユウキロダンユウドウタイノゴウセイホウホウ | |
JPH02167256A (ja) | ジニトロフェニル尿素を製造するために溶媒和されたジニトロフェニルシアナミドを使用する方法 |