Technoeconomic analysis of a fungal pretreatment-based cellulosic ethanol production

被引:8
作者
Olughu, Onu Onu [1 ]
Tabil, Lope G. [1 ]
Dumonceaux, Tim [2 ]
Mupondwa, Edmund [1 ,2 ]
Cree, Duncan [3 ]
Li, Xue [2 ]
机构
[1] Univ Saskatchewan, Dept Chem & Biol Engn, 57 Campus Dr, Saskatoon, SK S7N 5A9, Canada
[2] Saskatoon Res Ctr, Agr & Agrifood Canada, 107 Sci Pl, Saskatoon, SK S7N 0X2, Canada
[3] Univ Saskatchewan, Dept Mech Engn, 57 Campus Dr, Saskatoon, SK S7N 5A9, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
Cellulosic ethanol; Fungal pretreatment; Switchgrass; Technoeconomic analysis; Net present value; DILUTE SULFURIC-ACID; BIOLOGICAL PRETREATMENT; WHEAT-STRAW; LIGNOCELLULOSIC BIOMASS; BIOETHANOL PRODUCTION; TRAMETES-VERSICOLOR; SWITCHGRASS; BIOREFINERY; FEEDSTOCK; LOGISTICS;
D O I
10.1016/j.rineng.2023.101259
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Cellulosic biomass shows great potential as feedstock for bioethanol production. Despite clear benefits in terms of greenhouse gas mitigation and bioproduct potential, the commercial production of cellulosic ethanol remains economically challenging at the current state of technology. This paper presents a technoeconomic analysis of a fungal pretreatment-based cellulosic ethanol plant with a processing capacity of 2000 tonnes of switchgrass per day. The production process model was designed and simulated using SuperPro Designer. The plant's ethanol yield, capital investment per unit capacity, and unit ethanol production cost were estimated to be 211.90 L/t of switchgrass, $ 3.60/L, and $ 1.44/L of ethanol, respectively. Fungal pretreatment was the major contributor (72%) to the total capital investment, mainly due to the large quantity of equipment required in the process. A positive net present value (NPV) was generated for the baseline model at ethanol selling price of $ 1.50/L, which increased by 5-fold for 80% glucose yield. Glucose yield was the most sensitive to NPV for all the process parameters evaluated.
引用
收藏
页数:9
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