Commodity Production Costs Report
Bio-Isobutanol Production from Corn Stover
Isobutanol Operating Costs & Plant Construction Costs
This study presents a techno-economic analysis of cellulosic Isobutanol production from corn stover in the United States using a biochemical process. Initially, corn stover is treated with dilute acid and undergoes ammonia conditioning. Then, the cellulose is enzimatically hydrolyzed to glucose and xylose, which are then fermented to produce Isobutanol.
The report provides a comprehensive study of Isobutanol production and related Isobutanol production cost, covering three key aspects: a complete description of the Isobutanol production process examined; an in-depth analysis of the related Isobutanol plant capital cost (Capex); and an evaluation of the respective Isobutanol plant operating costs (Opex).
The Isobutanol production process description includes a block flow diagram (BFD), an overview of the industrial site installations, detailing both the process unit and the necessary infrastructure, process consumption figures and comprehensive process flow diagrams (PFD). The Isobutanol plant capital cost analysis breaks down the Capex by plant cost (i.e., ISBL, OSBL and Contingency); owner's cost; working capital; and costs incurred during industrial plant commissioning and start-up. The Isobutanol plant operating costs analysis covers operating expenses, including variable costs like raw materials and utilities, and fixed costs such as maintenance, labor, and depreciation.
Key reference(s): ?

Product
Isobutanol. Isobutanol (a.k.a. 2-Methylpropan-1-ol, i-BuOH, Bio-Isobutanol) is a colorless, flammable alcohol with a characteristic smell and fields of application closely resembling those of 1-butanol. Isobutanol may also be produced from renewable sources and, in such cases, it may be referred to as Bio-Isobutanol or Green Isobutanol.
Raw Material
Corn Stover. Corn Stover consists of the leaves, stalks, and cobs remaining after corn is harvested. It is utilized as animal feed, biomass for energy production, and as a raw material for biofuel and bioproducts. Collected from fields post-harvest, corn stover is typically stored in bales. Its use in cellulosic ethanol production contributes to renewable energy efforts and adds value to agricultural residues.
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Professional report based on Q3 2024 economic data, ensuring timely evaluations.
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Content Highlights
Plant Capital Cost Summary
Summary outlining the capital cost required for building the Isobutanol production plant examined.
Plant Capital Cost Details
Detailing of fixed capital (ISBL, OSBL & Owner’s Cost), working capital and additional capital requirements.
Plant Cost Breakdowns
Breakdown of Isobutanol process unit (ISBL) costs and infrastructure (OSBL) costs; plant cost breakdown per discipline.
Operating Costs Summary
Summary presenting the operating variable costs and the total operating cost of the Isobutanol production plant studied.
Operating Cost Details
Detailing of utilities costs, operating fixed costs and depreciation.
Plant Capacity Assessment
Comparative analysis of capital investment and operating costs for different Isobutanol plant capacities.
Production Process Information
Block Flow Diagram, descriptions of process unit (ISBL) and site infrastructure (OSBL).
Process Consumptions
Raw materials and utilities consumption figures, by-products credits, labor requirements
Process Diagrams
Process flow diagrams (PFD), equipment list and industrial site configuration
Other Isobutanol Production Cost Reports

Bio-Isobutanol Production from Raw Sugar
This report provides the economics of bio-based Isobutanol production from raw sugar in Germany using a typical fermentation process. Initially, raw sugar is hydrolyzed into invert sugars, which are then fermented to produce Isobutanol.
Details: 180 kta Germany-based plant | Q3 2024 | 107 pages | Issue A | From $799 USD

Bio-Isobutanol Production from Corn
This report provides the economics of bio-based Isobutanol production from corn in the USA using a typical fermentation process. In this process, distiller's dried grains with solubles (DDGS) are generated as by-product.
Details: 180 kta United States-based plant | Q3 2024 | 107 pages | Issue B | From $799 USD
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Other Related Production Cost Reports

Ethanol from Corn Stover (Digestion with SO2-Ethanol-Water Solution)
This report presents a techno-economic analysis of second generation Ethanol production from corn stover in the United States using a process similar to AVAP technology, developed by American Process. In this process, biomass is fractionated into cellulose, hemicelluloses and lignin by using a sulfur dioxide-ethanol-water solution. The cellulose and hemicelluloses obtained from biomass are converted to monomeric sugars, which are then used to produce Ethanol via fermentation.
Details: 80 kta United States-based plant | Q3 2024 | 107 pages | Issue H | From $799 USD

Renewable Diesel Production from Corn Stover (Catalytic Process)
This report provides a techno-economic analysis of Renewable Diesel production from corn stover in the United States using a catalytic conversion process. In this process, corn stover is pretreated and its components are hydrolyzed. The hydrolysate is hydrogenated, reformed in aqueous phase, condensed, oligomerized and finally hydrotreated, yielding diesel.
Details: 160 kta United States-based plant | Q3 2024 | 107 pages | Issue F | From $1,199 USD

Renewable Diesel Production from Corn Stover (Catalytic Process)
This report provides a techno-economic analysis of Renewable Diesel production from corn stover in the United States using a catalytic conversion process. In this process, corn stover is pretreated and its components are hydrolyzed. The hydrolysate is hydrogenated, reformed in aqueous phase, condensed, oligomerized and finally hydrotreated, yielding diesel.
Details: 160 kta United States-based plant | Q3 2024 | 107 pages | Issue F | From $1,199 USD

Biodiesel from Soybean Oil (Supercritical Process)
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