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Full-Text Articles in Engineering

Production Of Biochar And Development Of Predictive Methods For Determining Performance In Value-Added Composite Materials, Douglas Cuthbertson, Franco Berruti, Cedric Briens Aug 2017

Production Of Biochar And Development Of Predictive Methods For Determining Performance In Value-Added Composite Materials, Douglas Cuthbertson, Franco Berruti, Cedric Briens

Biochar: Production, Characterization and Applications

Current pyrolysis technologies are used for the production of liquid bio-oil, solid biochar, and gases, at temperatures in the range of 400-600 °C in the presence of little or no oxygen. Typically, pyrolysis processes have been investigated with the aim of producing the oil and char for their potential value as sustainable sources of energy and chemicals. Biochar, or biocarbon, the carbonaceous residue remaining after the volatile components have exited the biomass material, has typically been used in low value applications such as soil amendment. However, for pyrolysis technology to become fully established, it remains necessary to extract as much …


Co2 Capture From Industrial Sources By High-Temperature Sorbents, Matteo C. Romano, Giampaolo Manzolini, Stefano Consonni May 2017

Co2 Capture From Industrial Sources By High-Temperature Sorbents, Matteo C. Romano, Giampaolo Manzolini, Stefano Consonni

CO2 Summit III: Pathways to Carbon Capture, Utilization, and Storage Deployment

Among the emerging CO2 capture technologies, systems based on high temperature (HT) regenerable sorbents had a significant development in recent years. In addition to power plants, HT sorbents technologies can be particularly promising for CO2 capture in carbon intensive industrial processes such as cement plants, steel mills and hydrogen plants. Calcium looping (CaL) is a combined post-combustion and oxyfuel combustion technology which uses calcium oxide (CaO) as CO2 sorbent. In this process, CO2 in combustion flue gases is absorbed in a carbonator reactor by forming calcium carbonate (CaCO3) through the exothermic carbonation reaction. Carbonated sorbent is then regenerated to CaO …