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University of Cincinnati

Mingming Lu

Yang Liu

A method of forming a yellow grease is provided. The method includes delivering a FOG lipid extraction agent into a processing tank. The method further includes preheating an FOG to a temperature of between 35° C. and 95° C. The method further includes mixing the preheated waste grease with the FOG lipid extraction agent in the processing tank to form the yellow grease.

System to reuse fats, oils, and grease

A method of forming a yellow grease is provided. The method includes delivering a FOG lipid extraction agent into a processing tank. The method further includes preheating a waste grease to a temperature of between 35° C. and 95° C. The method further includes mixing the preheated waste grease with the FOG lipid extraction agent in the processing tank to form the yellow grease.

System to reuse fats, oils and grease

A system and process for producing biofuel from spent coffee grounds (SCGs) comprises the steps of performing a first operation comprising the steps of obtaining spent SCGs from a source, washing the SCGs, mixing the washed SCGs with an inorganic acid and heating and stirring the washed SCGs to form a SCG slurry without separating coffee oil, drying the SCG slurry, mixing the dried slurry with a solvent and heating the dried slurry and solvent mixture to create a reaction to produce biofuel and residual grounds, and separating the biofuel from the solvent and the residual grounds. The process further includes the step of using an activation agent and heating the residual grounds and the activation agent to create activated residual grounds. Biochar is also produced without activation and heating de-oiled SCGs at lower temperatures without oxygen.

Growing community of inventors

Mason, OH, United States of America

Mingming Lu