Coffee, one of the world's most popular beverages, carries with it a large economic and
environmental burden in the form of spent coffee grounds (SCG), the unutilized portion of the …

Spent coffee grounds (SCGs) arise as waste products through the production of instant
coffee and coffee brewing. This work reviews the composition of SCGs, the methods used for …

Spent coffee grounds are composed of lipid, carbohydrates, carbonaceous, and nitrogen
containing compounds among others. Using n-hexane and n-hexane/isopropanol mixture …

Biodiesel has gained the forefront of our focus on renewable transportation fuels. This article
provides a comprehensive review on the sources used as feedstock and their classification …

Although normally seen as a problem, current policies and strategic plans concur that if
adequately managed, waste can be a source of the most interesting and valuable products …

The declaration of 2016, third year in a row, as the warmest year ever recorded, the rising of
CO 2 concentration, increasing of seawater acidity as well as sea surface temperature are …

Coffee is the second largest traded commodity after petroleum and the second most popular
beverage after water. This big industry is believed to generate huge amount of waste with …

Biodiesel can be used as alternative to replace fossil diesel. However, usage of biodiesel in
an unmodified diesel engine can cause higher in nitrogen oxides (NOx) emission. In order to …

This work deals for the first time with recycling a binary blend of waste cooking oil (WCO)
and spent coffee grounds oil (SCGO)(50/50% by volume) into biodiesel. Additionally, this …

Spent coffee grounds (SCG) are a potentially sustainable source of C16-C18 triglycerides.
This study investigates known solvent extraction technologies with a wide range of solvents …