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Table 7 Annual Operating Cost of Scenario I and Scenario II

From: Economic feasibility of gasoline production from lignocellulosic wastes in Hong Kong

ItemsScenario IScenario II
Unit/yearUnitCost
(RMB ¥/kg)
Annual Cost
(RMB ¥)
Unit/yearAnnual Cost
(RMB ¥)
Raw Material Used
 Butane23,040kg¥ 11.60¥ 267,264  
 Nitrogen3205m3¥ 1.40¥ 44863204¥ 4486
 Acetone3276kg¥ 6.72¥ 22,0153252¥ 21,856
 2-Methyltetrahydrofuran74kg¥ 6.72¥ 49474¥ 494
 Oxalic Acid1000kg¥ 2.70¥ 1304483¥ 1304
 Water283m3¥ 3.92¥ 1304178¥ 700
 Woody Biomass2,100,000kg¥ 0.00¥ 0.002,100,000¥ 0.00
 Catalyst1050kg¥ 394.36¥ 414,078  
 Hydrogen406kg¥ 6.72¥ 2726  
 Reformate (RON = 95)8499gallons¥ 22.70¥ 192,933  
 Benzene1840kg¥ 13.44¥ 24,706  
 Ethyl Alcohol14,912kg¥ 6.04¥ 90,099  
 MTBE40,404kg¥ 6.72¥ 271,515  
 Isopentene22,109kg¥ 6.72¥ 148,571  
 Octane23,621kg¥ 6.72¥ 158,732  
Total   ¥ 1,566,624 ¥ 28,840
Labour-Dependant
 Operators  ¥ 32.10¥ 2,044,000 ¥ 1,372,357
Total   ¥ 2,044,000 ¥ 1,372,357
Facility Dependent
 Main Section   ¥ 19,711,000 ¥ 14,944,000
Total   ¥ 19,711,000 ¥ 14,944,000
Utilities
 Steam2004MT¥ 81¥ 162,3262004¥ 162,320
 Steam (High P)2036MT¥ 94¥ 191,403  
 Glycol6674MT¥ 2.35¥ 15,6846674¥ 15,683
 Freon47MT¥ 1¥ 47  
 CaCl2 Brine14,772MT¥ 530¥ 7,829,05114,772¥ 7,829,038
 Std Power727,593kWh¥ 0.82¥ 596,627471,414¥ 386,560
Total   ¥ 8,795,138 ¥ 8,393,602
Waste and Emission Treatment
 Chemical Waste Treatment106MT¥ 2984¥ 316,7030¥ 248
 Industrial Wastewater816MT¥ 502¥ 403,997816¥ 409,410
 Emissions3MT¥ 60¥ 2131¥ 81
Total   ¥ 726,339 ¥ 409,738
Transportation   ¥ 75,000 ¥ 75,000
Total Annual Operating Cost   ¥ 32,917,000 ¥ 25,224,000