Environmental Engineering Reference
In-Depth Information
TABLE 15.3 Example calculation sheet for investment calculation
Location
Country
Start-up year
Year
Currency
US $ year
Process description
Design capacity (kt.year −1 )
Hours per year
8000
Depreciation of direct investment
Years
Method
Linear
Depreciation of indirect investment
Years
Method
Linear
Process equipment
Nr.
Number
FOB price
Hand factor (Couper,
2003)
Module
investment
4 a
Reactors
R-x
Fractionation columns
C-x
4
4 a
Vertical vessels
V-x
4 a
Horizontal vessels
D-x
Heat exchangers
E-x
3.5
Pumps
P-x
4
Compressors
K-x
2.5
2 b
Furnaces
F-x
Other equipment
2.5
Unforeseen
25
% of on-site
investment
Total direct investment (TDI)
(on-site investment)
15-20 b
Instrumentation
% of on-site
Investment
5-25 b
Tankage, storage, and handling
% of on-site
Investment
15-25 b
Utilities
% of on-site
Investment
10-25 b
Off-sites
% of on-site
Investment
10-20 b
Environmental supplies
% of on-site
Investment
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