Production of gasohol by azeotropic distillation

被引：1

作者：

Aviles-Martinez, Adriana ^{[1
,6
]}

Patino-Herrera, Rosalba ^{[2
]}

Cruz-Valdez, Jesus Alonso ^{[3
]}

Contreras-Zarazua, Gabriel ^{[4
]}

Rodriguez-Olalde, Nancy Eloisa ^{[5
]}

Castro-Montoya, Agustin Jaime ^{[1
]}

机构：

[1] Univ Michoacana, Fac Ingn Quim, Morelia, Mexico

[2] Tecnol Nacl Mexico Celaya, Inst Tecnol Celaya, Dept Ingn Quim, Celaya, Mexico

[3] Univ Autonoma San Luis Potosi, Fac Ciencias Quim, Ctr Invest & Estudios Posgrad CIEP, San Luis Potosi, Mexico

[4] Univ Guanajuato, Dept Ingn Quim, Div Ciencias Nat & Exactas, Guanajuato, Mexico

[5] Univ Michoacana, Fac Ingn Tecnol Madera, Morelia, Mexico

[6] Univ Michoacana, Fac Ingn Quim, Morelia 58000, Mexico

来源：

CANADIAN JOURNAL OF CHEMICAL ENGINEERING | 2024年 / 102卷 / 06期

关键词：

bioethanol; biofuel; DETL; gasohol; process optimization; LIQUID-LIQUID-EXTRACTION; ETHANOL DEHYDRATION; DESIGN; OPTIMIZATION; BIOETHANOL; GLYCEROL; ALGORITHM;

D O I：

10.1002/cjce.25178

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A new azeotropic distillation process is presented to produce gasohol in an adequate concentration of bioethanol and isooctane, which emulates the properties of gasoline ready to use in conventional combustion engines. Since the mixing step is eliminated, there are significant economic savings which imply a competitive price of bioethanol. A comparison is provided with the traditional bioethanol dehydration process, extractive distillation. Both processes were simultaneously designed and optimized with differential evolution with a Tabu list algorithm (DETL) in order to reduce the total annual cost (TAC). Results showed that when obtaining E10 biofuel, a blend of up to 10% ethanol and 90% unleaded isooctane, via azeotropic distillation, over 40% of the TAC is saved compared to obtaining pure alcohol dehydrating through extractive distillation. Moreover, the reduction in carbon dioxide emissions results in an average of 27%.

引用

页码：2122 / 2135

页数：14

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