JPS6152144B2 - - Google Patents
Info
- Publication number
- JPS6152144B2 JPS6152144B2 JP57117662A JP11766282A JPS6152144B2 JP S6152144 B2 JPS6152144 B2 JP S6152144B2 JP 57117662 A JP57117662 A JP 57117662A JP 11766282 A JP11766282 A JP 11766282A JP S6152144 B2 JPS6152144 B2 JP S6152144B2
- Authority
- JP
- Japan
- Prior art keywords
- thiourea
- mother liquor
- alkali metal
- thiourea dioxide
- product
- 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
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 46
- 238000004519 manufacturing process Methods 0.000 claims description 27
- 239000012452 mother liquor Substances 0.000 claims description 24
- RYYXDZDBXNUPOG-UHFFFAOYSA-N 4,5,6,7-tetrahydro-1,3-benzothiazole-2,6-diamine;dihydrochloride Chemical compound Cl.Cl.C1C(N)CCC2=C1SC(N)=N2 RYYXDZDBXNUPOG-UHFFFAOYSA-N 0.000 claims description 23
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 23
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 18
- 238000007254 oxidation reaction Methods 0.000 claims description 17
- 229910052783 alkali metal Inorganic materials 0.000 claims description 14
- -1 alkali metal salt Chemical class 0.000 claims description 13
- 230000003647 oxidation Effects 0.000 claims description 8
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 4
- 235000011056 potassium acetate Nutrition 0.000 claims description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 150000001340 alkali metals Chemical class 0.000 claims 1
- 239000012736 aqueous medium Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 238000005502 peroxidation Methods 0.000 claims 1
- 239000000047 product Substances 0.000 description 23
- 238000000034 method Methods 0.000 description 18
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000006259 organic additive Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- CWGBFIRHYJNILV-UHFFFAOYSA-N (1,4-diphenyl-1,2,4-triazol-4-ium-3-yl)-phenylazanide Chemical compound C=1C=CC=CC=1[N-]C1=NN(C=2C=CC=CC=2)C=[N+]1C1=CC=CC=C1 CWGBFIRHYJNILV-UHFFFAOYSA-N 0.000 description 1
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical compound ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 1
- CWVZGJORVTZXFW-UHFFFAOYSA-N [benzyl(dimethyl)silyl]methyl carbamate Chemical compound NC(=O)OC[Si](C)(C)CC1=CC=CC=C1 CWVZGJORVTZXFW-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- HIVLDXAAFGCOFU-UHFFFAOYSA-N ammonium hydrosulfide Chemical compound [NH4+].[SH-] HIVLDXAAFGCOFU-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000008395 clarifying agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229950011008 tetrachloroethylene Drugs 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57117662A JPS5913756A (ja) | 1982-07-06 | 1982-07-06 | チオウレア二酸化物の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57117662A JPS5913756A (ja) | 1982-07-06 | 1982-07-06 | チオウレア二酸化物の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5913756A JPS5913756A (ja) | 1984-01-24 |
| JPS6152144B2 true JPS6152144B2 (enrdf_load_stackoverflow) | 1986-11-12 |
Family
ID=14717181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57117662A Granted JPS5913756A (ja) | 1982-07-06 | 1982-07-06 | チオウレア二酸化物の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5913756A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62158499U (enrdf_load_stackoverflow) * | 1986-03-31 | 1987-10-08 | ||
| AU660104B2 (en) * | 1992-06-10 | 1995-06-08 | Mitsubishi Gas Chemical Company, Inc. | Process for producing thiourea dioxide and bleaching of papermaking pulp with thiourea dioxide produced thereby |
| US5958184A (en) * | 1992-06-10 | 1999-09-28 | Mitsubishi Gas Chemical Company Inc. | Process for producing thiourea dioxide |
-
1982
- 1982-07-06 JP JP57117662A patent/JPS5913756A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5913756A (ja) | 1984-01-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4337344A (en) | Process for the preparation of dibenzothiazyl disulfide | |
| EP0180869B1 (de) | Verfahren zur Herstellung von lagerstabilen Benzothiazolsulfenamiden | |
| JPS6152144B2 (enrdf_load_stackoverflow) | ||
| EP0068219B1 (de) | Verfahren zur Herstellung von Carbonsäuren und N-tert. Alkylaminen | |
| DE69636257T2 (de) | Reinigungsverfahren von Imidoalkanpercarbonsäuren | |
| EP0024197B1 (en) | Process for the preparation of copper quinolinate | |
| US5116997A (en) | Purification of indigo | |
| US4354042A (en) | Process for making N,N,N',N'-tetraacetylethylenediamine | |
| DE3127193A1 (de) | Verfahren zur herstellung von n-cyclohexylbenzothiazol-2-sulfenamid | |
| EP0128453B1 (de) | Verfahren zur Herstellung von Fluorphthalsäureimiden | |
| JP3003287B2 (ja) | Ｎ−アルキルアミノエタンスルホン酸ナトリウムの製法 | |
| US4192804A (en) | Process for the purification of mercaptobenzothiazole | |
| CS231971B2 (en) | Purification method for mercaptobenzothiazole | |
| US4149013A (en) | Process for purifying 1,12-dodecanedioic acid | |
| DE3104388A1 (de) | Verfahren zur herstellung von 1-alkyl-2-chlor-5-nitro-4-benzol-sulfonsaeuren | |
| US4620003A (en) | Process for producing 2-quinoxalinols | |
| JP2713014B2 (ja) | カプロラクタムの製法 | |
| US2843628A (en) | Fumaric acid isomerization | |
| US4220592A (en) | Synthesis of substituted phenylacetic acid | |
| EP0006140B1 (de) | Verfahren zur Herstellung von alpha-Hydroxycarbonsäureamiden | |
| US4987266A (en) | Process for the manufacture of nitrophenetole | |
| JP2002053518A (ja) | ソルビン酸の製造方法 | |
| US2826607A (en) | Recovery of phthalic acids | |
| US3137726A (en) | Preparation of beta-alaninamide | |
| RU1826964C (ru) | Способ получени смеси изомеров диэтилбензола и бензола |