Biodiesel: the influence of dealcoholization on reaction mixture composition after neutralization of catalyst by carbon dioxide

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F12%3A39895260" target="_blank" >RIV/00216275:25310/12:39895260 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.fuel.2012.01.037" target="_blank" >http://dx.doi.org/10.1016/j.fuel.2012.01.037</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.fuel.2012.01.037" target="_blank" >10.1016/j.fuel.2012.01.037</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Biodiesel: the influence of dealcoholization on reaction mixture composition after neutralization of catalyst by carbon dioxide

Popis výsledku v původním jazyce

Biodiesel is commonly produced by catalytic transesterification (reversible reaction) of oil/fat with excess alcohol. In the case of the basic catalyst, strong acid is usually used for catalyst neutralization; however acid converts soap to fatty acids (increases the acid number). In this paper, the utilization of carbon dioxide for catalyst neutralization is described. The advantage is that, the carbon dioxide does not transform soaps to fatty acids, but only neutralizes the catalyst (acid number is always less than 0.2 mg KOH/g). The neutralization takes place due to by an excess of CO2, which transforms the catalyst to hydrogencarbonate. However during the alcohol removal by distillation from the whole reaction mixture, hydrogencarbonate is transformed to carbonate (catalytic properties). But the alcohol removal is fast enough that the reverse reaction to glycerides does not occur. The catalyst neutralization by CO2 is environmentally friendly (consumed CO2) and it can be used for al

Název v anglickém jazyce

Biodiesel: the influence of dealcoholization on reaction mixture composition after neutralization of catalyst by carbon dioxide

Popis výsledku anglicky

Biodiesel is commonly produced by catalytic transesterification (reversible reaction) of oil/fat with excess alcohol. In the case of the basic catalyst, strong acid is usually used for catalyst neutralization; however acid converts soap to fatty acids (increases the acid number). In this paper, the utilization of carbon dioxide for catalyst neutralization is described. The advantage is that, the carbon dioxide does not transform soaps to fatty acids, but only neutralizes the catalyst (acid number is always less than 0.2 mg KOH/g). The neutralization takes place due to by an excess of CO2, which transforms the catalyst to hydrogencarbonate. However during the alcohol removal by distillation from the whole reaction mixture, hydrogencarbonate is transformed to carbonate (catalytic properties). But the alcohol removal is fast enough that the reverse reaction to glycerides does not occur. The catalyst neutralization by CO2 is environmentally friendly (consumed CO2) and it can be used for al

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CF - Fyzikální chemie a teoretická chemie

OECD FORD obor

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Projekt

—

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2012

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Fuel

ISSN

0016-2361

e-ISSN

—

Svazek periodika

96

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

5

Strana od-do

85-89

Kód UT WoS článku

000301853900009

EID výsledku v databázi Scopus

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