Download Chemical Engineering Economics by D.E. Garrett PDF
By D.E. Garrett
Least, the writer needs to thank his continually worthy spouse Maggie and his secretary Pat Weimer; the previous for her endurance, encouragement, and for performing as a sounding-board, and the latter who toiled ceaselessly, cheerfully, and such a lot appropriately at the book's instruction. CONTENTS Preface / iii 1. creation / 1 usually Used monetary stories / 2 simple fiscal topics / three Priorities / three difficulties / 6 Appendixes / 6 References / 6 2. gear expense ESTIMATING / eight brands' Quotations / eight Estimating Charts / 10 dimension Factoring Exponents / eleven Inflation fee Indexes / thirteen install issue / sixteen Module issue / 18 Estimating Accuracy / 19 Estimating instance / 19 References / 21 three. PLANT expense ESTIMATES / 22 Accuracy and prices of Estimates / 22 fee Overruns / 25 Plant expense Estimating elements / 26 gear deploy / 28 Instrumentation / 30 v vi CONTENTS Piping / 30 Insulation / 30 electric / 30 structures / 32 Environmental regulate / 32 portray, hearth security, defense Miscellaneous / 32 backyard advancements / 32 Utilities / 32 Land / 33 building and Engineering fee, Contractor's rate, Contingency / 33 overall Multiplier / 34 entire Plant Estimating Charts / 34 expense according to Ton of Product / 35 Capital Ratio (Turnover Ratio) / 35 Factoring Exponents / 37 Plant ameliorations / 38 different elements of overall Capital funding / 38 Off-Site amenities / 38 Distribution amenities / 39 examine and improvement, Engineering, Licensing / forty operating Capital / forty
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Extra resources for Chemical Engineering Economics
1988. A suite of software to aid plant engineers. Chemical Week (March 2):3235. Chemical Engineering. 1974. Sources and Production Economics of Chemical Products. McGrawHill, New York:121-180 Chilton, C. H. 1960. Cost Engineering in the Process Industries. McGraw-Hill, New York. Cran, John. 1981. Improved factored method gives better preliminary cost estimates. Chemical Engineering (April 6):65-79. Guthrie, Kenneth M. 1970. Capital and operating costs for 54 chemical processes. Chemical Engineering (June 15): 140-156.
Most of these methods are not too easy to use and may require additional arbitrary judgments. Some can increase the accuracy of preliminary estimates, but with much additional complexity. This provides no significant advantage, so they shall not be considered further in this book. Factoring Exponents Both individual pieces of equipment (as noted before) and entire plants may be roughly cost estimated by knowing the cost of one size and an exponent that relates cost with size. Since most of the complete plant cost versus size charts are straight lines, or can be approximated by a series of straight lines on loglog plots, a sizing exponent for a limited range (the slope of this line) can reasonably factor the costs.
Chemical Engineering. 1988. (Feb. 15):9. Chemical Engineering Equipment Buyers' Guide. 1987. , 1221 Ave. of the Americas, New York, NY 10020. Chemical Processing Guide and Directory. 1987. , 301 E. , Chicago, IL 606111. Chemical Week Buyers' Guide. 1987. , 1221 Ave. of the Americas, New York, NY 10020. Guthrie, Kenneth M. 1974. Process Plant Estimating, Evaluation and Control. , Solana Beach, CA:125-180; 334-353; 369-371. , Matley, Jay, and McNaughton, Kenneth J. 1982. Current costs of process equipment.