Oil demetallation and de-ashing processing by neutralization and centrifuging of flocculated heavy asphaltene hydrocarbon content

A method to demetal and de-ash acid treated oil into marine fuel, the method comprising the steps of:

• circulating and heating acid treated oil to 160-170 degrees Fahrenheit to aid in phase separation in a reactor;
• centrifuging the acid treated oil with a centrifuge running in 3 phase configuration to remove water and solids from the acid treated oil until the water content is less than 0.3% by volume;
• settling the acid treated oil;
• circulating and heating the acid treated oil to 120 degrees Fahrenheit;
• adding 1% triethanol amine (TEA) by volume to the acid treated oil to create TEA treated oil, the TEA to flocculate asphaltenes in the acid treated oil;
• centrifuging the TEA treated oil with a centrifuge running in 2 phase configuration to remove the asphaltenes from the TEA treated oil;
• and
• settling the TEA treated oil to create marine fuel.

A method for processing marine fuel comprising the steps of:

• circulating and heating clarified oil to 160-170 degrees Fahrenheit in a reactor to aid in phase separation, the clarified oil including:
• less than 0.5% water by volume;
• less than 30 ppm of Calcium and Zinc;
• and
• less than 60 ppm of Zinc;
• centrifuging the clarified oil with a centrifuge running in 3 phase configuration at 15-20 gallons per minute in a circulatory pattern with the reactor to remove water and solids from the clarified oil until the water content is less than 0.3% by volume;
• settling the clarified oil;
• circulating and heating the clarified oil to 120 degrees Fahrenheit;
• adding 1% triethanol amine (TEA) by volume to the clarified oil to create TEA treated oil, the TEA to flocculate asphaltenes in the clarified oil;
• centrifuging the TEA treated oil with a centrifuge running in 2 phase configuration centrifuging at 15-20 gallons per minute in a circulatory pattern with the reactor to remove the asphaltenes from the TEA treated oil;
• and
• settling the TEA treated oil to create marine fuel.