Synthesis methods, properties, and modifications of biochar-based materials for wastewater treatment: a review

B Díaz, A Sommer-Márquez, PE Ordoñez… - Resources, 2024 - mdpi.com
The global impact of water and soil contamination has become a serious issue that affects
the world and all living beings. In this sense, multiple treatment alternatives have been …

Processing spent coffee ground powders for renewable energy generation: Mechanical dewatering and thermal drying

TAF Rocha, M do Carmo Ferreira, JT Freire - Process Safety and …, 2021 - Elsevier
Mechanical dewatering and thermal techniques were evaluated as pre-treatment steps to
reduce the water content of spent coffee ground (SCG) powders to thermal conversion. An …