Biodieselproductionfromcheaplipidraw materialsiseconomicallywelcome,butahighfreefatty acids(FFA)contentmakesitincompatiblewithtraditional alkalinecatalysts.Althoughliquidmineralacidsarealternativelyused,seriousdrawbackssuchashighcorrosiveness andlargeeffluentgeneration,aswellastheimpossibilityof catalystreusecompromisesitsapplication.Contrarily,solid acidcatalystsappeartobeanattractiveoption;however,the waterpresentorgeneratedduringFFAesterificationprovokestheleachinganddeactivationofthesecatalysts.Thus, inthisworkwehaveevaluatedtheuseoftinchlorideSnCl2, whichislesscorrosive,watertolerant,andarecyclable Lewisacidcatalyst,onFFAethanolysisusingwastecooking oilsamples(WCO).Additionally,themainkineticparametersofthereactionswereassessed.ComparedtopTSA (p-toluenesulfonic-acid),acatalystalsoevaluated,SnCl2 efficientlypromotedFFAethanolysiseveninthepresenceof highamountsofwater(ca.0.1–5.0%w/w).Moreover,the homogeneousSnCl2catalystwaseasilyrecoveredand reusedsuccessively,withoutlossofactivity.
materialsiseconomicallywelcome biodieselproductionfromcheaplipidraw กรด butahighfreefatty (FFA) contentmakesitincompatiblewithtraditional alkalinecatalysts.althoughliquidmineralacidsarealternativelyused,seriousdrawbackssuchashighcorrosiveness andlargeeffluentgeneration, aswellastheimpossibilityof catalystreusecompromisesitsapplication.contrarily, acidcatalystsappeartobeanattractiveoption ของแข็งอย่างไรก็ตาม waterpresentorgeneratedduringffaesterificationprovokestheleachinganddeactivationofthesecatalysts.thus, inthisworkwehaveevaluatedtheuseoftinchloridesncl2, whichislesscorrosive, watertolerant, lewisacidcatalyst andarecyclable, onffaethanolysisusingwastecooking oilsamples (WCO). นอกจากนี้ themainkineticparametersofthereactionswereassessed.comparedtoptsa (P-toluenesulfonic กรด)acatalystalsoevaluated, sncl2 efficientlypromotedffaethanolysiseveninthepresenceof highamountsofwater (ca.0.1-5.0% w / w). นอกจากนี้ homogeneoussncl2catalystwaseasilyrecoveredand reusedsuccessively, withoutlossofactivity
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Materialsiseconomicallywelcome Biodieselproductionfromcheaplipidraw, butahighfreefatty กรด (FFA) contentmakesitincompatiblewithtraditional alkalinecatalystsAlthoughliquidmineralacidsarealternativelyused, seriousdrawbackssuchashighcorrosiveness andlargeeffluentgeneration, aswellastheimpossibilityof catalystreusecompromisesitsapplicationหรือ acidcatalystsappeartobeanattractiveoption แข็งอย่างไรก็ตาม การ waterpresentorgeneratedduringFFAesterificationprovokestheleachinganddeactivationofthesecatalysts.Thus, inthisworkwehaveevaluatedtheuseoftinchlorideSnCl2, whichislesscorrosive, watertolerant, andarecyclable Lewisacidcatalyst, onFFAethanolysisusingwastecooking oilsamples (WCO) .Additionally, themainkineticparametersofthereactionswereassessed.ComparedtopTSA (พี-toluenesulfonic-กรด),acatalystalsoevaluated, SnCl2 efficientlypromotedFFAethanolysiseveninthepresenceof highamountsofwater(ca.0.1–5.0%w/w)นอกจากนี้ homogeneousSnCl2catalystwaseasilyrecoveredand reusedsuccessively, withoutlossofactivity
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materialsiseconomicallywelcome biodieselproductionfromcheaplipidraw กรด butahighfreefatty ( FFA Issue ) contentmakesitincompatiblewithtraditional alkalinecatalysts . althoughliquidmineralacidsarealternativelyused andlargeeffluentgeneration seriousdrawbackssuchashighcorrosiveness catalystreusecompromisesitsapplication aswellastheimpossibilityof .ตรงกันข้าม acidcatalystsappeartobeanattractiveoption แบบโซลิดสเตทแต่ถึงอย่างไรก็ตาม,ที่ waterpresentorgeneratedduringffaesterificationprovokestheleachinganddeactivationofthesecatalysts ., inthisworkwehaveevaluatedtheuseoftinchloridesncl2 , whichislesscorrosive , watertolerant , andarecyclable lewisacidcatalyst , onffaethanolysisusingwastecooking oilsamples ( wco )นอกจากนี้, themainkineticparametersofthereactionswereassessed.comparedtoptsa ( P - toluenesulfonic - กรด),acatalystalsoevaluated sncl 2 highamountsofwater efficientlypromotedffaethanolysiseveninthepresenceof ( ca. ( Titration , 0.1 NaOH - 5.0 เมื่อเทียบกับ% w / W )นอกจากนี้ catalystwaseasilyrecoveredand homogeneoussncl 2 reusedsuccessively withoutlossofactivity .
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