Cost estimates and sensitivity analyses for the ammonia fiber explosion process

被引：0
|
作者：
Lin Wang
Bruce E. Dale
Lale Yurttas
I. Goldwasser
机构：
[1] College Station,Texas ASM University
[2] East Lansing,Michigan State University
来源：
Applied Biochemistry and Biotechnology | 1998年 / 70-72卷
关键词：
Biomass pretreatment; cost estimation and economic analysis; process design; computer simulation; ammonia fiber explosion;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Process designs were conducted for each unit of the conceptual ammonia fiber explosion (AFEX) process, and fixed capital investment and operating costs were estimated. AFEX costs about $20-40/t of dry bio-mass treated. Several promising areas for reducing process costs exist. Return on investment (ROI) calculations were also done for AFEX-treated materials (as digestibility-enhanced animal feeds), in conjunction with sensitivity analyses on the overall processing costs. Estimated ROIs range from over 100%/y to negative, depending on the system variables. The most important variables are the cost of corn and corn fiber, ammonia loading, and whether or not drying is required.
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页码：51 / 66
页数：15
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