CEST Proceedings are published under the ISSN 2944-9820.
Extraction of Oil from Spent Grounds Coffee using Ultrasound as Pre-Extraction Method
(Corresponding) Cubas A., Hermmann K., Bianchet R., Moecke E.
Topic:
Food waste
The treatment and processing of coffee annually produces a large volume of biological waste, which contributes to environmental pollution, it is estimated that coffee production generates approx. 6 million tonnes of spent coffee grounds per year in the world (GETACHEW and CHUN, 2017). Thus, the...Read more
Keywords:
Spent ground coffee; biological waste; ultrasound method; oil from coffee
Quantifying the social benefits of the fair-trade designation of coffee using Social Hotspot Database
(Corresponding) SAN MIGUEL G., MELGAR-GARCIA M., DIEZMA B., CORREA E.
Topic:
Life cycle analysis (lca)
Quantifying sustainability is a difficult but necessary task to improve our environmental, economic, and social surroundings. This paper describes an investigation into the use of the Social Hotspot Database (SHDB) to determine the true value of fair-trade certification. The analysis has been...Read more
Coffee ground biosorbent for nitrite and nitrate recovery and soil nutrient
Ying T., (Corresponding) Sethupathi S., Hon L.
Topic:
Recycling of materials to new products
Nitrate (NO3-) and nitrite (NO2-) are two forms of nitrogen that contribute to the occurrence of eutrophication if found in excess concentrations. Conversely, nitrogen is one of the major macronutrients required for healthy plant growth. The purpose of this work is to evaluate the recovery of NO3-...Read more
