Propylene Production from Vacuum Gas Oil (Catalytic Cracking)
Propylene Production Costs Report | Issue I | Q4 2024
| Report Details |
| 400 kta China-based plant | Q4 2024 | 107 pages |
This report presents a cost analysis of a 400 kta (kilo metric ton per annum) China-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 Polymer Grade (PG) Propylene production from vacuum gas oil (VGO) in China. The portrayed process is similar to Sinopec Deep Catalytic Cracking (DCC) technology, in which VGO is converted to Propylene, generating propane, C4 fraction, C5+ naphtha and fuel oil as by-products.
The report provides a comprehensive study of Propylene production and related Propylene production cost, covering three key aspects: a complete description of the Propylene production process examined; an in-depth analysis of the related Propylene plant capital cost (Capex); and an evaluation of the respective Propylene plant operating costs (Opex).
The Propylene 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 Propylene 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 Propylene 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 two major sections: (1) Cracking; and (2) Fractionation.
Cracking. Vacuum gas oil are treated with hydrogen over a selective catalyst for the removal of impurities. The treated oil is cracked in a vertical reactor riser, in two separate and distinct cracking zones. The vacuum gas oil is first cracked mainly to gasoline and then to olefins. Zeolite catalyst is used. The spent catalysts are then fed to a regenerator where coke (a carbonaceous by-product from cracking reactions) deposited in the catalysts is burned with air at high temperatures.
Fractionation. The reactor effluent is passed through fractionation and concentration steps. Initially, in a fractioner, fuel oil is separated from a gaseous stream rich in gasoline, olefins and light ends. Part of this oil is directed to hydrotreater, the other part is sold as fuel. The main stream is compressed and fed to a high-pressure (HP) separator, in which a fuel gas rich in C3 and C2 components are removed. This stream is further treated to recover and recycle residual gasoline. Products stream is fed to a stripper column, where C2- components are stripped off and sent back to HP separator. The main products are sent to a series of columns for separation. First, pyrolysis gas is obtained, then crude C4s and finally propane and high purity propylene.
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Production Process Information
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Operating Cost Details
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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 Propylene 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 Propylene 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 Propylene 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 Propylene 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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