Economic Benefit Analysis of Oil and Gas Recovery Using Dry Vacuum Pump Desorption with Activated Carbon Adsorption

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Example of economic benefit analysis for an oil depot oil and vapor recovery system using dry adsorption method (The data below are estimates based on current conditions and are for reference only.) The oil and vapor recovery rate in such systems ranges from 0.1% to 0.3%. For example: assume a loading/unloading loss of 1.6 tons per 1000 tons; assume a daily loading/unloading volume of 2000 tons; assume the price per ton is ￥5800/ton (the price of No. 90 gasoline in Beijing in July 2006); assume the system operates for 360 days per year. Calculation: 2000 × 1.6/1000 = 3.2 tons per day; 3.2 tons per day × ￥5800/ton = ￥18,560 per day; ￥18,560 per day × 360 = ￥6,681,600 per year； Approximately 6.68 million yuan in economic benefits from recycling. Economic benefits over five years (in ten thousand yuan): YEARS: 1, 2, 3, 4, 5. Design costs: 500,000; Equipment costs: 5,750,000; Installation costs: 500,000; Agency fees: 150,000; Operating costs: 505,050, 505,050; Maintenance costs: 212,121, 212,121. Total costs: 7,617,171,717. Value saved in gasoline: 6,686,686,686,686,688. Net income: -9,359,759,759,759,759. Total income: -9,350,411,011,698,229,5