MY134905A - Method for production of alkyl esters - Google Patents
Method for production of alkyl estersInfo
- Publication number
- MY134905A MY134905A MYPI20024430A MY134905A MY 134905 A MY134905 A MY 134905A MY PI20024430 A MYPI20024430 A MY PI20024430A MY 134905 A MY134905 A MY 134905A
- Authority
- MY
- Malaysia
- Prior art keywords
- solution
- acid
- mixture
- alkyl esters
- catalysed
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 125000005907 alkyl ester group Chemical group 0.000 title 1
- 239000000243 solution Substances 0.000 abstract 5
- 239000002253 acid Substances 0.000 abstract 3
- 230000000694 effects Effects 0.000 abstract 3
- 239000000203 mixture Substances 0.000 abstract 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- 230000032050 esterification Effects 0.000 abstract 2
- 238000005886 esterification reaction Methods 0.000 abstract 2
- 239000003929 acidic solution Substances 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- 150000004703 alkoxides Chemical class 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 239000006227 byproduct Substances 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 235000021588 free fatty acids Nutrition 0.000 abstract 1
- 239000004519 grease Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 238000005809 transesterification reaction Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
A METHOD FOR PRODUCTION OF ALKYL ESTERS FROM A MIXTURE OF GLYCERIDES AND FREE FATTY ACIDS, ORIGINATING PRIMARILY FROM GREASE TRAP WASTE, IS PROVIDED.@THE MIXTURE IS FIRST SOLVATED IN A LOW BOILING POINT ALCOHOL AND THEN THE PH OF THE SOLUTION IS ADJUSTED TO ABOUT 1 TO 2 BY ADDITION OF AN ACID TO EFFECT ACID-CATALYSED ALKYL ESTERIFICATION. THE ACIDIC SOLUTION IS THEN TREATED WITH A CONCENTRATED ALKOXIDE SOLUTION TO RAISE THE PH OF THE SOLUTION TO ABOUT PH12 TO EFFECT BASE-CATALYSED TRANSESTERIFICATION OF GLYCERIDES CONTAINED IN THE MIXTURE. THE RESULTING SOLUTION IS THEN TREATED WITH AN ACID TO DECREASE THE PH OF THE SOLUTION TO ABOUT 2 TO EFFECT ACID-CATALYSED ESTERIFICATION OF RESIDUAL SAPONIFIED BY-PRODUCTS.@THE ALCOHOL SOLVENT IS REMOVED BY DISTILLATION OR OTHER SUITABLE TECHNIQUE AND THE RESULTING ALKYL ESTERS ARE SEPARATED FROM ANY REMAINING RESIDUES AND NEUTRALISED OF RESIDUAL ACIDS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MYPI20024430 MY134905A (en) | 2002-11-27 | 2002-11-27 | Method for production of alkyl esters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MYPI20024430 MY134905A (en) | 2002-11-27 | 2002-11-27 | Method for production of alkyl esters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MY134905A true MY134905A (en) | 2007-12-31 |
Family
ID=47291722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MYPI20024430 MY134905A (en) | 2002-11-27 | 2002-11-27 | Method for production of alkyl esters |
Country Status (1)
| Country | Link |
|---|---|
| MY (1) | MY134905A (en) |
-
2002
- 2002-11-27 MY MYPI20024430 patent/MY134905A/en unknown
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