摘要 |
DISCLOSED IS A PROCESS FOR PRODUCING A FATTY ALKYL ESTER AND GLYCERIN, INCLUDING STEP 1 OF REACTING FATS AND OILS WITH C1 TO C5 LOWER ALCOHOLS, STEP 2 OF REMOVING THE LOWER ALCOHOLS DISCHARGED FROM THE OUTLET OF A RECTOR IN STEP 1 UNTIL THE LOWER ALCOHOL CONTENT IS REDUCED TO 8 WT% OR LESS, STEP 3 OF SEPARATING THE PRODUCT OBTAINED IN STEP 2 INTO OIL AND AQUEOUS PHASES, STEP 4 OF REACTING THE OIL PHASE OBTAINED IN STEP 3 WITH LOWER ALCOHOLS IN THE PRESENCE OF AN ACID CATALYST, AND STEP 5 OF SEPARATING THE PRODUCT DISCHARGED FROM THE OUTLET OF A REACTOR IN STEP 4 INTO OIL AND AQUEOUS PHASES THEREBY GIVING FATTY ACID ALKYL ESTERS AND GLYCERIN, AS WELL AS A PROCESS FOR PRODUCING FATTY ALCOHOLS FROM HYDROGEN AND THE FATTY ACID ALKYL ESTERS OBTAINED IN THE ABOVE PROCESS. |