Estimating Fuel Consumption
A rough estimate can be made by considering the typical fuel consumption rates for container ships and adjusting them for methanol’s energy content: Energy Content of Methanol: Methanol has about half the energy density of traditional marine fuels like heavy fuel oil (HFO). This means that, by volume, a ship will require approximately twice the amount of methanol to travel the same distance as it would using HFO. Typical Fuel Consumption Rates: Large container ships might consume anywhere from 100 to 300 tons of HFO per day at sea, depending on speed and load. For methanol, this translates to approximately 200 to 600 tons per day. Total Methanol Requirement: For a journey of 25-35 days (typical duration for a China-Europe trip), the total methanol required can range from 5,000 to 21,000 tons, depending on the ship’s characteristics and operating conditions.
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