Techno-economic analysis of co-located corn grain and corn stover ethanol plants

被引：40

作者：

Ou, Longwen ^{[1
]}

Brown, Tristan R. ^{[2
]}

Thilakaratne, Rajeeva ^{[1
]}

Hu, Guiping ^{[2
,3
]}

Brown, Robert C. ^{[2
,3
]}

机构：

[1] Iowa State Univ, Ctr Sustainable Environm Technol, Ames, IA 50011 USA

[2] Iowa State Univ, Bioecon Inst, Ames, IA 50011 USA

[3] Iowa State Univ, Ames, IA 50011 USA

来源：

BIOFUELS BIOPRODUCTS & BIOREFINING-BIOFPR | 2014年 / 8卷 / 03期

关键词：

ethanol; corn grain; corn stover; cellulosic ethanol; co-located plants; techno-economic analysis; LAND-USE CHANGE; BIOETHANOL PRODUCTION; BIOFUELS; COSTS;

D O I：

10.1002/bbb.1475

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

The goal of this paper is to evaluate the economic performance of co-located corn grain ethanol (Gen 1) and cellulosic ethanol (Gen 2) facilities. We present six scenarios to evaluate the impact of stover-to-grain mass (SGM) ratios on overall minimum ethanol selling price (MESP). For the Gen 1 plant, MESP is $3.18/ gasoline gallon equivalent (GGE) while for the Gen 2 plant it is $5.64/GGE. Co-located Gen 1 and Gen 2 plants operating at the lowest SGM ratio of 0.4 generates the lowest overall MESP of $3.73/GGE as well as the highest MESP for cellulosic ethanol of $7.85/GGE. Co-located plants operating at the highest SGM ratio of 1.0 achieve the highest overall MESP of $3.94/GGE as well as the lowest MESP for cellulosic ethanol of $5.47/GGE. Sensitivity analysis shows that the prices of feedstocks have the greatest impact on the overall MESP. (c) 2014 Society of Chemical Industry and John Wiley & Sons, Ltd

引用

页码：412 / 422

页数：11

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