Commodity Production Costs Report
Hydroxypropyl Methyl Cellulose Production
Hydroxypropyl Methyl Cellulose Operating Costs & Plant Construction Costs
This report presents a feasibility analysis of Hydroxypropyl Methyl Cellulose (HPMC) production starting from cellulose, methyl chloride and propylene oxide. In this process, cellulose is alkalized with caustic soda and etherified first with propylene oxide and then with methyl chloride (dissolved in dimethyl ether), before passing through an etherification reaction. The plant is assumed to be located in the United States.
The report provides a comprehensive study of Hydroxypropyl Methyl Cellulose production and related Hydroxypropyl Methyl Cellulose production cost, covering three key aspects: a complete description of the Hydroxypropyl Methyl Cellulose production process examined; an in-depth analysis of the related Hydroxypropyl Methyl Cellulose plant capital cost (Capex); and an evaluation of the respective Hydroxypropyl Methyl Cellulose plant operating costs (Opex).
The Hydroxypropyl Methyl Cellulose 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 Hydroxypropyl Methyl Cellulose 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 Hydroxypropyl Methyl Cellulose 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 can be divided into three major sections: (1) cellulose ether synthesis; (2) liquid medium recovery; and (3) product finishing. Each section is briefly introduced below.
* Cellulose ether synthesis. At first, a wood pulp slurry is prepared by dissolving the feed in a solution of dimethyl-ether (DME) and methyl chloride. The slurry formed is then contacted with sub-stoichiometric amounts of caustic solution to activate the cellulose. Propylene oxide is then added to the slurry to accomplish a first etherification step. Subsequently, a second etherification step is carried out by addition of greater amounts of caustic soda solution and methyl chloride.
* Liquid medium recovery. The cellulose ether solution is routed to a low pressure vessel and washed with hot water. The organic liquid medium (containing mainly DME, methyl chloride and propylene oxide) evaporates and is transferred to a purification section, where DME, methyl chloride and propylene oxide are separated for being reused in the process.
* Product finishing. After volatile organics removal, cellulose ether solution is passed through a filtration for removal of water. The cellulose ether is then dried and fed into loading bins for packaging.
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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 Hydroxypropyl Methyl Cellulose 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 Hydroxypropyl Methyl Cellulose 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 Hydroxypropyl Methyl Cellulose 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 Hydroxypropyl Methyl Cellulose 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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