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(b) Biodiesel (BD) or fatty acid ethyl ester (FAEE) can be produced from the reaction of methanol (ME) with vegetable oil such as palm oil consists of 96% of triglyceride (TG). The reaction scheme involves three stages consecutive-parallel reactions that leads to the formation of diglyceride (DG), monoglyceride (MG) and glyceride (GL). In each step, biodiesel is formed. TG + ETOH S DG + BD k2 DG + ETOH A MG + BD MG + ETOH ở GL + BD

(b) Biodiesel (BD) or fatty acid ethyl ester (FAEE) can be produced from the reaction of methanol (ME) with vegetable oil such as palm oil consists of 96% of triglyceride (TG). The reaction scheme involves three stages consecutive-parallel reactions that leads to the formation of diglyceride (DG), monoglyceride (MG) and glyceride (GL). In each step, biodiesel is formed. TG + ETOH S DG + BD k2 DG + ETOH A MG + BD MG + ETOH ở GL + BD

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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(b) methanol (ME) with vegetable oil such as palm oil consists of 96% of triglyceride (TG). The reaction scheme involves three stages consecutive-parallel reactions that leads to the formation of diglyceride (DG), monoglyceride (MG) and glyceride (GL). In each step, biodiesel is formed. Biodiesel (BD) or fatty acid ethyl ester (FAEE) can be produced from the reaction of TG + ETOH S DG + BD k2 DG + ETOH - MG + BD MG + ETOH 3 GL + BD The methanolysis reaction was conducted in a presence of sodium hydroxide (NaOH) catalyst and the reversible reaction can be considered negligible. The results are compiled in Table 1. Table 1 Kinetics properties for the methanolysis of palm oil at 60°C. Activation energy, E Forward rate constant, k (L/mol-s) Reaction (kJ/mol) TG → DG 1.057 x 10-2 48.7 DG → MG 1.184 x 10-1 49.3 MG → GL 1.310 x 10-1 53.7 Briefly discuss the chemical reaction principles towards the values of rate constants and activation energy obtained in the reaction.
Transcribed Image Text:(b) methanol (ME) with vegetable oil such as palm oil consists of 96% of triglyceride (TG). The reaction scheme involves three stages consecutive-parallel reactions that leads to the formation of diglyceride (DG), monoglyceride (MG) and glyceride (GL). In each step, biodiesel is formed. Biodiesel (BD) or fatty acid ethyl ester (FAEE) can be produced from the reaction of TG + ETOH S DG + BD k2 DG + ETOH - MG + BD MG + ETOH 3 GL + BD The methanolysis reaction was conducted in a presence of sodium hydroxide (NaOH) catalyst and the reversible reaction can be considered negligible. The results are compiled in Table 1. Table 1 Kinetics properties for the methanolysis of palm oil at 60°C. Activation energy, E Forward rate constant, k (L/mol-s) Reaction (kJ/mol) TG → DG 1.057 x 10-2 48.7 DG → MG 1.184 x 10-1 49.3 MG → GL 1.310 x 10-1 53.7 Briefly discuss the chemical reaction principles towards the values of rate constants and activation energy obtained in the reaction.
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