Techno-economic analysis of coal preparation plant design using siu-sim simulator

Zhanyou Huang, Manoj Mohanty, Hasan Sevim, Ajay Mahajan, Barbara Arnold

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A new coal preparation plant simulator has been developed to select the most profitable cleaning circuit-configuration based on a comprehensive techno-economic analysis of the feed coal characteristics, equipment performance, capital and operating costs, depreciation, taxes, and net present value (NPV). The resulting flowsheet not only gives the maximum clean coal yield while simultaneously satisfying the product quality and quantity constraints but also generates the maximum revenue within the plant life. The simulator also identifies the optimum operating conditions for individual cleaning circuits. Two sets of feed washability data were used to demonstrate the various features and utilizations of the new simulator. For each set of washability data, maximum yield, after-installation capital cost, operating cost, cost per ton of clean coal, cost per ton of raw coal, and NPV were calculated for the flowsheet used in the plant. The results were compared with the real-life plant operations with respect to product yield, ash content, sulfur content, heating value, and moisture content. The solutions were also compared with those obtained by the constant incremental product ash approach.

Original languageEnglish (US)
Pages (from-to)15-32
Number of pages18
JournalInternational Journal of Coal Preparation and Utilization
Volume28
Issue number1
DOIs
StatePublished - Jan 2008

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Fuel Technology
  • Geotechnical Engineering and Engineering Geology
  • Energy Engineering and Power Technology
  • Mechanical Engineering

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