Spent Coffee Grounds as a Lubricant in Pelleting of Wood
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United States of America Patent
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Issued Date -
Aug 20, 2020
app pub date -
Apr 11, 2019
filing date -
Feb 17, 2019
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Abstract
Pellets and a process for producing pellets are disclosed. The process includes recovering spent coffee grounds from a coffee production facility. The coffee grounds are then subject to a drying process to remove moisture from the coffee grounds to form dried coffee grounds. A mixture of about 0.5-5% dried coffee grounds and wood material is then formed. The mixture is then compressed in a pellet mill to form wood pellets including about 0.5-5% coffee grounds. The coffee grounds in the wood material acts as a lubricant for the pelleting machinery and eliminate the need for other lubricants in the process.
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