Commodity Production Costs Report
Sodium Hypochlorite Production
Sodium Hypochlorite Operating Costs & Plant Construction Costs
This report analyses the economics of a typical Sodium Hypochlorite production process from sodium hydroxide and chlorine in the United States. In this process, chlorine is reacted with dilute sodium hydroxide solution, forming hypochlorite.
The report provides a comprehensive study of Sodium Hypochlorite production and related Sodium Hypochlorite production cost, covering three key aspects: a complete description of the Sodium Hypochlorite production process examined; an in-depth analysis of the related Sodium Hypochlorite plant capital cost (Capex); and an evaluation of the respective Sodium Hypochlorite plant operating costs (Opex).
The Sodium Hypochlorite 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 Sodium Hypochlorite 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 Sodium Hypochlorite 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): ?
The process under analysis comprises two major sections: (1) Reaction & Product Discharge; and (2) Bleach Filtration.
Reaction & Product Discharge. The chlorine absorption system can be divided into two parts: in the first, a packed column is operated with a safe excess of caustic to prevent reduction in pH; the second part, in turn, receives the liquor from the first column to be post-chlorinated, until the desired bleach concentration is reached. Prior to reaction, caustic soda is diluted with water in a buffer tank, along with first column bottom stream. Chlorine is diluted with air and fed into the bottom of both columns. Flow to the second part of the system is established when the finished product is being sent to the filtration steps.
Bleach Filtration. Bleach filtration is necessary to meet product quality requirements and is often the last step before storage. Usually, the bleach filter system consists of pressure-leaf filters. After filtration, the product is sent to storage. Backwash water containing spent filter aid can be taken to a dry-cake pressure filter for further processing. Sodium Hypochlorite solutions are very sensitive and this type of operation prevents its decomposition. Besides pH, other factors affecting degradation are bleach initial concentration, exposure to UV light, presence of certain metals, and elevated temperatures.
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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 Sodium Hypochlorite 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 Sodium Hypochlorite 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 Sodium Hypochlorite 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 Sodium Hypochlorite 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
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