NDLI: Engineering economic analysis for waste heat boilers: A case of an integrated petrochemical complex in Malaysia

Content Provider	IEEE Xplore Digital Library
Author	Ghazali, Z. Majid, M.A.A. Hong Fun How
Copyright Year	2011
Description	Author affiliation: Department of Chemical Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 31750 Tronoh, Perak, Malaysia (Hong Fun How) \|\| Department of Mechanical Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 31750 Tronoh, Perak, Malaysia (Majid, M.A.A.) \|\| Department of Management and Humanities, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 31750 Tronoh, Perak, Malaysia (Ghazali, Z.)
Abstract	The paper analyzes the economic justification of an investment proposal for two units of waste heat boilers (WHBs) to replace existing two units in an integrated petrochemical complex in Malaysia. The WHBs have a number of operational and technical advantages. However, due to the huge capital investment, economic justification is primary in deciding the feasibility of this undertaking. The engineering economy analysis model employed includes net present worth, payback period, rate of return, investment balance analysis, sensitivity analysis, and after-tax economic analysis. Four factors namely initial investment, operating costs, annual demand, and salvage value were analyzed to determine their impact on the overall economics of the investment proposal. The analysis highlights a satisfactory return on investment. The overall project is quite sensitive to the variation in demand of the medium pressure steam. However, it is impervious to the variation in the other three factors considered initial investment, operating costs and salvage value. The after-tax net present worth and rate of return further support the economic justification of the proposal.
Starting Page	311
Ending Page	316
File Size	354121
Page Count	6
File Format	PDF
ISBN	9781467300216
e-ISBN	9781467300209
DOI	10.1109/CHUSER.2011.6163740
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-12-05
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Economics Waste heat boilers Sensitivity analysis After-tax economic analysis Present worth analysis Rate of return Malaysia Proposals Investment balance Gases Incineration Investments Payback period Waste heat
Content Type	Text
Resource Type	Article

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