Assessment of noncatalytic biodiesel synthesis using supercritical reaction conditions

Tanawan Pinnarat, Phillip E. Savage

Research output: Contribution to journalReview article

111 Citations (Scopus)

Abstract

This article reviews the relatively new field of supercritical fluid phase synthesis of biodiesel fuel. We assess the current state of the art and then suggest several directions for new or additional research that would lead to important advances in this field. Biodiesel synthesis at supercritical conditions is technologically feasible and perhaps economically competitive with conventional synthesis routes for low-cost feedstocks such as waste cooking oil. A better understanding of the reaction kinetics (both metal-catalyzed and uncatalyzed) and phase behavior (e.g., location of liquid-liquid-vapor and liquid-vapor regions and critical temperature and pressure as they change during the course of the reaction) is needed. Additionally, there is a need for more detailed analysis of the economics, energy requirements, and environmental impacts of the supercritical process relative to conventional technology.

Original languageEnglish (US)
Pages (from-to)6801-6808
Number of pages8
JournalIndustrial and Engineering Chemistry Research
Volume47
Issue number18
DOIs
StatePublished - Sep 17 2008

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Biofuels
Biodiesel
Liquids
Vapors
Supercritical fluids
Cooking
Phase behavior
Reaction kinetics
Feedstocks
Environmental impact
Oils
Metals
Economics
Costs
Temperature

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Chemistry(all)
  • Industrial and Manufacturing Engineering

Cite this

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title = "Assessment of noncatalytic biodiesel synthesis using supercritical reaction conditions",
abstract = "This article reviews the relatively new field of supercritical fluid phase synthesis of biodiesel fuel. We assess the current state of the art and then suggest several directions for new or additional research that would lead to important advances in this field. Biodiesel synthesis at supercritical conditions is technologically feasible and perhaps economically competitive with conventional synthesis routes for low-cost feedstocks such as waste cooking oil. A better understanding of the reaction kinetics (both metal-catalyzed and uncatalyzed) and phase behavior (e.g., location of liquid-liquid-vapor and liquid-vapor regions and critical temperature and pressure as they change during the course of the reaction) is needed. Additionally, there is a need for more detailed analysis of the economics, energy requirements, and environmental impacts of the supercritical process relative to conventional technology.",
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Assessment of noncatalytic biodiesel synthesis using supercritical reaction conditions. / Pinnarat, Tanawan; Savage, Phillip E.

In: Industrial and Engineering Chemistry Research, Vol. 47, No. 18, 17.09.2008, p. 6801-6808.

Research output: Contribution to journalReview article

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T1 - Assessment of noncatalytic biodiesel synthesis using supercritical reaction conditions

AU - Pinnarat, Tanawan

AU - Savage, Phillip E.

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N2 - This article reviews the relatively new field of supercritical fluid phase synthesis of biodiesel fuel. We assess the current state of the art and then suggest several directions for new or additional research that would lead to important advances in this field. Biodiesel synthesis at supercritical conditions is technologically feasible and perhaps economically competitive with conventional synthesis routes for low-cost feedstocks such as waste cooking oil. A better understanding of the reaction kinetics (both metal-catalyzed and uncatalyzed) and phase behavior (e.g., location of liquid-liquid-vapor and liquid-vapor regions and critical temperature and pressure as they change during the course of the reaction) is needed. Additionally, there is a need for more detailed analysis of the economics, energy requirements, and environmental impacts of the supercritical process relative to conventional technology.

AB - This article reviews the relatively new field of supercritical fluid phase synthesis of biodiesel fuel. We assess the current state of the art and then suggest several directions for new or additional research that would lead to important advances in this field. Biodiesel synthesis at supercritical conditions is technologically feasible and perhaps economically competitive with conventional synthesis routes for low-cost feedstocks such as waste cooking oil. A better understanding of the reaction kinetics (both metal-catalyzed and uncatalyzed) and phase behavior (e.g., location of liquid-liquid-vapor and liquid-vapor regions and critical temperature and pressure as they change during the course of the reaction) is needed. Additionally, there is a need for more detailed analysis of the economics, energy requirements, and environmental impacts of the supercritical process relative to conventional technology.

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