ES474509A1 - Procedimiento para producir tiosulfato calcico de alta pure-za - Google Patents
Procedimiento para producir tiosulfato calcico de alta pure-zaInfo
- Publication number
- ES474509A1 ES474509A1 ES474509A ES474509A ES474509A1 ES 474509 A1 ES474509 A1 ES 474509A1 ES 474509 A ES474509 A ES 474509A ES 474509 A ES474509 A ES 474509A ES 474509 A1 ES474509 A1 ES 474509A1
- Authority
- ES
- Spain
- Prior art keywords
- thiosulfate
- calcium
- high purity
- weight
- production
- 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
- FAYYUXPSKDFLEC-UHFFFAOYSA-L calcium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane Chemical compound [Ca+2].[O-]S([O-])(=O)=S FAYYUXPSKDFLEC-UHFFFAOYSA-L 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- XYXNTHIYBIDHGM-UHFFFAOYSA-N ammonium thiosulfate Chemical compound [NH4+].[NH4+].[O-]S([O-])(=O)=S XYXNTHIYBIDHGM-UHFFFAOYSA-N 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract 1
- 239000000920 calcium hydroxide Substances 0.000 abstract 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract 1
- 239000000292 calcium oxide Substances 0.000 abstract 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000005649 metathesis reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 229940006280 thiosulfate ion Drugs 0.000 abstract 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical group [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 abstract 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Procedimiento para producir tiosulfato cálcico de alta pureza, caracterizado porque comprende las etapas de: (a) poner en contacto una disolución acuosa de tiosulfato amónico con más de 1,0 y menos de 1,10 la cantidad estequiométrica de óxido cálcico o hidróxido cálcico para formar una mezcla de reacción; (b) mantener la mezcla de reacción a una temperatura de entre unos 25ºC y el punto de ebullición de la mezcla de reacción durante un período de por lo menos unas 3 horas; (c) eliminar continuamente, de la mezcla de reacción, el amoníaco formado; y (d) recuperar el tiosulfato cálcico de alta pureza producido.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/845,013 US4105754A (en) | 1977-10-25 | 1977-10-25 | Production of high purity calcium thiosulfate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES474509A1 true ES474509A1 (es) | 1979-02-16 |
Family
ID=25294198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES474509A Expired ES474509A1 (es) | 1977-10-25 | 1978-10-25 | Procedimiento para producir tiosulfato calcico de alta pure-za |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4105754A (es) |
| ES (1) | ES474509A1 (es) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6984368B2 (en) * | 2003-06-09 | 2006-01-10 | Tessenderlo Kerley, Inc. | Process for preparing calcium thiosulfate solution |
| US6921523B2 (en) * | 2003-10-14 | 2005-07-26 | Tessenderlo Kerley, Inc. | Magnesium thiosulfate solution and process for preparing same |
| HUE035519T2 (en) | 2009-07-08 | 2018-05-02 | Hope Medical Entpr Inc D B A Hope Pharmaceuticals | Sodium thiosulfate-containing pharmaceutical composition |
| US8034318B1 (en) * | 2010-04-21 | 2011-10-11 | Tessenderlo Kerley, Inc. | Process for preparation of calcium thiosulfate liquid solution from lime, sulfur, and sulfur dioxide |
| US8454929B2 (en) | 2010-04-21 | 2013-06-04 | Tessenderlo Kerley, Inc. | Continuous process for preparation of calcium thiosulfate liquid solution |
| PE20130597A1 (es) * | 2011-08-16 | 2013-06-08 | Tessenderlo Kerley Inc | Proceso continuo para la preparacion de una solucion liquida de tiosulfato de calcio |
| CN112678783A (zh) * | 2020-12-30 | 2021-04-20 | 河北双兴摄影化学有限公司 | 一种硫代硫酸钙溶液的制备系统及方法 |
| CA3233705A1 (en) * | 2021-10-04 | 2023-04-13 | Thomas David Fairweather | Methods for the production of thiosulfates via salt metathesis |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE407875C (de) * | 1923-08-04 | 1924-12-24 | Rhenania Ver Chemischer Fabrik | Gewinnung von Schwefel, Thiosulfaten und Sulfhydraten |
| US2041397A (en) * | 1934-09-25 | 1936-05-19 | Koppers Co Inc | Treating sulphur-mining bleed-water |
| US2198642A (en) * | 1935-09-14 | 1940-04-30 | Schering Ag | Stable solutions of calcium thiosulphate and a process for the manufacture thereof |
| DE866646C (de) * | 1949-05-14 | 1953-02-12 | Karl Dr Zieke | Verfahren zur Herstellung von Calciumpolysulfidloesungen |
| JPS5232367Y2 (es) * | 1971-06-01 | 1977-07-23 |
-
1977
- 1977-10-25 US US05/845,013 patent/US4105754A/en not_active Expired - Lifetime
-
1978
- 1978-10-25 ES ES474509A patent/ES474509A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4105754A (en) | 1978-08-08 |
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