GB432797A - Improvements in or relating to processes for the production of sulphonation products from mineral oils, tar oils or the like rich in sulphur - Google Patents
Improvements in or relating to processes for the production of sulphonation products from mineral oils, tar oils or the like rich in sulphurInfo
- Publication number
- GB432797A GB432797A GB186/34A GB18634A GB432797A GB 432797 A GB432797 A GB 432797A GB 186/34 A GB186/34 A GB 186/34A GB 18634 A GB18634 A GB 18634A GB 432797 A GB432797 A GB 432797A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sulphonation
- per cent
- sulphur
- strength
- sulphuric acid
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/01—Sulfonic acids
- C07C309/62—Sulfonated fats, oils or waxes of undetermined constitution
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
Sulphonation products are prepared from mineral or tar oils containing over 2 per cent of sulphur, by submitting the oils to a preliminary refining to remove the substances which produce a dark colour on sulphonation without removing the sulphur compounds. The refining is effected by treatment with soda lye followed by sulphuric acid of strength below 80 per cent and preferably of 70 per cent strength or with potash lye, aluminium chloride phosphoric acid or fuller's earth. The sulphonation is effected during cooling or with sulphuric acid of about 80 per cent strength, or in presence of a diluent which may be residual oil incapable of sulphonation. The sulphonation may be effected in stages with sulphuric acid of strength increasing to that of fuming sulphuric acid.ALSO:Mineral or tar oils containing more than 2 per cent of sulphur are submitted to a preliminary refining, prior to sulphonation, in order to remove the substances which produce a dark colour on sulphonation without removing the sulphur compounds. The refining is effected by treatment with soda lye followed by sulphuric acid of strength below 80 per cent and preferably 70 per cent strength or with potash lye, aluminium chloride or fuller's earth.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2121845X | 1933-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB432797A true GB432797A (en) | 1935-08-02 |
Family
ID=7985948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB186/34A Expired GB432797A (en) | 1933-01-11 | 1934-01-02 | Improvements in or relating to processes for the production of sulphonation products from mineral oils, tar oils or the like rich in sulphur |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2121845A (en) |
| AT (1) | AT151008B (en) |
| CH (1) | CH173409A (en) |
| GB (1) | GB432797A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2691040A (en) * | 1951-03-29 | 1954-10-05 | Universal Oil Prod Co | Sulfonation of organic compounds with sulfur trioxide |
| US2689862A (en) * | 1951-04-20 | 1954-09-21 | Monsanto Chemicals | Improvement in color of aryl alkane sulfonates |
| US2746987A (en) * | 1952-09-15 | 1956-05-22 | Bray Oil Co | Sulfonate manufacture |
| IT1237807B (en) * | 1989-12-21 | 1993-06-17 | Eniricerche Spa | PROCEDURE FOR THE PREPARATION OF A SULPHONATE DISPERSANT FROM OIL ASPHALTIC FRACTIONS |
| US6863837B2 (en) * | 2002-08-05 | 2005-03-08 | Geo Specialty Chemicals, Inc. | Dispersant composition |
-
1933
- 1933-12-20 AT AT151008D patent/AT151008B/en active
-
1934
- 1934-01-02 GB GB186/34A patent/GB432797A/en not_active Expired
- 1934-01-09 US US705918A patent/US2121845A/en not_active Expired - Lifetime
- 1934-01-10 CH CH173409D patent/CH173409A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT151008B (en) | 1937-10-11 |
| US2121845A (en) | 1938-06-28 |
| CH173409A (en) | 1934-11-30 |
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