Scholarship 24/19179-5 - Borra de café, Captura - BV FAPESP
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Biochar Adsorbents Derived from Spent Coffee Grounds for CO2 Capture in Post-Combustion Industrial Applications.

Grant number: 24/19179-5
Support Opportunities:Scholarships abroad - Research Internship - Scientific Initiation
Start date until: January 15, 2025
End date until: May 14, 2025
Field of knowledge:Engineering - Chemical Engineering - Chemical Technology
Principal Investigator:Kelly Johana Dussán Medina
Grantee:Mariana de Oliveira Bérgamo
Supervisor: Covadonga Pevida
Host Institution: Instituto de Química (IQ). Universidade Estadual Paulista (UNESP). Campus de Araraquara. Araraquara , SP, Brazil
Institution abroad: Instituto De Ciencia Y Tecnología Del Carbono - Csic, Spain  
Associated to the scholarship:24/00264-2 - Innovations in CO2 Capture: Development of a Biomaterial Based on Biochar and Magnetite, BP.IC

Abstract

This project investigates the potential of biochar adsorbents derived from spent coffee grounds for effective CO2 capture in post-combustion industrial applications. The study aims to address the pressing need for sustainable carbon capture solutions in industrial settings using agricultural waste as a resource. The methodology includes a comprehensive physicochemical characterization of the activated biochar, investigating critical parameters such as surface area, pore structure, functional groups and thermal stability. These properties are essential for assessing the suitability of the biochar for CO2 adsorption, including conducting multicomponent CO2 adsorption tests using a thermogravimetric analyzer (TGA) and if possible further investigations in a laboratory-scale fixed bed unit that simulates real flue gas conditions. This will include monocomponent (CO¿, N2, and H¿O), binary, and ternary experiments to evaluate the performance and efficiency of the activated biochar. In addition, the research will investigate the effects of physical and chemical activation on the CO2 adsorption capacity of the biochar, providing insights into the optimal formulation and activation methods for industrial applications. Expected outcomes include a robust methodology for the preparation and characterization of biochar adsorbents and valuable data on their CO2 capture performance. By converting spent coffee grounds into a valuable carbon capture resource, this project aims to not only contribute to the advancement of sustainable carbon capture technologies, but also to address the environmental challenges associated with food waste and biomass utilization. The results of this research could have a significant impact on carbon management strategies and climate change mitigation efforts by promoting the adoption of biochar-based solutions in different industrial contexts.

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