Citric Acid Production
Citric Acid Production Costs Report | Issue A | Q2 2024
Report Details |
40 kta United States-based plant | Q2 2024 | 107 pages | Delivered in PDF |
This report presents a cost analysis of a 40 kta (kilo metric ton per annum) United States-based plant. You can add a customized cost analysis, assuming another location (country), when ordering a premium edition of this report.
Report Abstract
This report presents the economics of Citric Acid production from corn via a fermentation process. Initially, corn starch is hydrolyzed to fermentable sugars, which are bioconverted to Citric Acid via fermentation. The economic analysis is based on a plant constructed in the United States.
The report provides a comprehensive study of Citric Acid production and related Citric Acid production cost, covering three key aspects: a complete description of the Citric Acid production process examined; an in-depth analysis of the related Citric Acid plant capital cost (Capex); and an evaluation of the respective Citric Acid plant operating costs (Opex).
The Citric Acid 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 Citric Acid 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 Citric Acid plant operating costs analysis covers operating expenses, including variable costs like raw materials and utilities, and fixed costs such as maintenance, labor, and depreciation.
Process Schematic
The process under analysis comprises three major sections: (1) Production of sugars from corn; (2) Fermentation; and (3) Citric Acid recovery.
Production of sugars from corn. Corn is fed to hammer mills to be crushed into a coarse grind meal containing all kernel components, which is routed to a liquefaction vessel, along with hot process condensate and alpha-amylase enzymes. The corn starch is enzymatically hydrolyzed, producing maltose and higher oligomers. The slurry from this step is sent to a saccharification tank, where it is mixed with gluco-amylase enzymes, that cleave the maltose and higher oligomers into glucose.
Fermentation. Fermentable carbon source (glucose) is mixed with process water and nutrients, and fed to the fermenters. Fermentation is performed in fed-batch mode and under aerobic process conditions in agitated, jacketed fermenters. After glucose exhaustion, the batch phase is finished, and the fed-batch phase is started. During the fed-batch phase, glucose and nutrients are continuously supplied.
Citric Acid recovery. After fermentation, the fermentation broth is sent to a rotary vacuum filter, separating non-fermented biomass from a liquid stream containing the citric acid. The separated biomass is washed and the biomass cake is dried, generating dried distiller´s grains with solubles (DDGS) as by-product. The separated liquid stream containing the citric acid is concentrated by means of evaporation, and then sent to a chromatographic separation to remove biomass residues. The citric acid solution is further purified in an ion exchange column and subsequently fed to a crystallization step. The citric acid cake is finally dried and solid Anhydrous Citric Acid substantially pure (99.5 wt%) is obtained as the final product.
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Production Process Information
Process Consumptions
Labor Requirements
Plant Capital Cost Summary
Operating Cost Summary
Production Costs Datasheet
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Production Process Information
Process Consumptions
Labor Requirements
Plant Capital Cost Summary
Operating Cost Summary
Production Costs Datasheet
Plant Capital Cost Details
Operating Cost Details
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Updated with Q2 2024 Data
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Production Process Information
Process Consumptions
Labor Requirements
Plant Capital Cost Summary
Operating Cost Summary
Production Costs Datasheet
Plant Capital Cost Details
Operating Cost Details
Plant Cost Breakdowns
Plant Capacity Assessment
Process Flow Diagrams
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Content Highlights
Plant Capital Cost Summary
Summary outlining the capital cost required for building the Citric Acid 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 Citric Acid 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 Citric Acid 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 Citric Acid 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 Citric Acid Production Cost Reports
Citric Acid Production
This report presents the economics of Citric Acid production from corn via a fermentation process. Initially, corn starch is hydrolyzed to fermentable sugars, which are bioconverted to Citric Acid via fermentation. The economic analysis is based on a plant constructed in the United States.
Details: 40 kta United States-based plant | Q2 2024 | 107 pages | Issue A From $1,999 USD
The cost analyses presented in this report target a 40 kta (kilo metric ton per annum per annum) United States-based plant. For those interested in cost analyses considering other plant capacities and/or locations, Intratec offers a customized analysis as an optional feature.
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