DE1261502B - Verfahren zur Gewinnung von praktisch geruchfreiem und spektralreinem Dimethylsulfoxid - Google Patents
Verfahren zur Gewinnung von praktisch geruchfreiem und spektralreinem DimethylsulfoxidInfo
- Publication number
- DE1261502B DE1261502B DEM69979A DEM0069979A DE1261502B DE 1261502 B DE1261502 B DE 1261502B DE M69979 A DEM69979 A DE M69979A DE M0069979 A DEM0069979 A DE M0069979A DE 1261502 B DE1261502 B DE 1261502B
- Authority
- DE
- Germany
- Prior art keywords
- dimethyl sulfoxide
- production
- technical
- spectrally pure
- crystallized
- 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.)
- Pending
Links
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 title claims description 78
- 238000000034 method Methods 0.000 title claims description 11
- 230000009965 odorless effect Effects 0.000 title claims description 7
- 238000004519 manufacturing process Methods 0.000 title claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 238000007710 freezing Methods 0.000 description 6
- 230000008014 freezing Effects 0.000 description 6
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- QMMFVYPAHWMCMS-UHFFFAOYSA-N Dimethyl sulfide Chemical compound CSC QMMFVYPAHWMCMS-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C317/00—Sulfones; Sulfoxides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US467380A US3358037A (en) | 1965-06-28 | 1965-06-28 | Continuous freezing process for purifying dimethyl sulfoxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1261502B true DE1261502B (de) | 1968-02-22 |
Family
ID=23855455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEM69979A Pending DE1261502B (de) | 1965-06-28 | 1966-06-27 | Verfahren zur Gewinnung von praktisch geruchfreiem und spektralreinem Dimethylsulfoxid |
Country Status (6)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000064868A1 (en) * | 1999-04-23 | 2000-11-02 | Gaylord Chemical Corporation | Process and apparatus for making ultra-pure dmso |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9102600B2 (en) | 2013-11-01 | 2015-08-11 | Dmso Solutions, Llc | DMSO purification |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2848507A (en) * | 1953-12-07 | 1958-08-19 | Exxon Research Engineering Co | Method for cyclic hydrocarbon crystallization and separation |
-
1965
- 1965-06-28 US US467380A patent/US3358037A/en not_active Expired - Lifetime
-
1966
- 1966-06-22 GB GB27963/66A patent/GB1111207A/en not_active Expired
- 1966-06-22 BR BR180632/66A patent/BR6680632D0/pt unknown
- 1966-06-24 NL NL6608850A patent/NL6608850A/xx unknown
- 1966-06-27 DE DEM69979A patent/DE1261502B/de active Pending
- 1966-06-27 SE SE08711/66A patent/SE349565B/xx unknown
Non-Patent Citations (1)
| Title |
|---|
| None * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000064868A1 (en) * | 1999-04-23 | 2000-11-02 | Gaylord Chemical Corporation | Process and apparatus for making ultra-pure dmso |
| US6414194B1 (en) | 1999-04-23 | 2002-07-02 | Gaylord Chemical Corporation | Process and apparatus for making ultra-pure DMSO |
Also Published As
| Publication number | Publication date |
|---|---|
| SE349565B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-10-02 |
| GB1111207A (en) | 1968-04-24 |
| US3358037A (en) | 1967-12-12 |
| NL6608850A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-12-29 |
| BR6680632D0 (pt) | 1973-12-26 |
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