Large scale low cost production of submicrometric powder through biomass refinery
AUTOR(ES)
Pinatti, Daltro Garcia, Conte, Rosa Ana, Borlini, Mônica Castoldi, Santos, Benedito Celso dos, Marcondes, Marco Aurélio, Oliveira, Isaías de, Montanha, Renata Garcia Oliveira, Soares, Álvaro Guedes, Romão, Érica Leonor, Ferreira, João Carlos, Pereira, Maria Luiza Gonçalves
FONTE
Materials Research
DATA DE PUBLICAÇÃO
2003-06
RESUMO
Biomass Refinery (BR) is a null pollution thermochemical sequential cracking of any biomass and some petrochemical products, which generates chemicals, liquid or solid fuels and inorganic submicrometric/nanometric powders (SM/NM) such as ashes, silica, and carbon black. The processing route, powder characterisation and addition of some ashes to red clay resulting a grès-type ceramics will be presented. Rupture strengths of the vitrified ceramics were respectively 36 MPa for pure clay, 44 MPa for clay + 13.5% MOL ash (organic matter of municipal solid waste), 50 MPa for clay + 20% F+20% CL* ash (50% MOL + 50% wood) and 42 MPa for clay + 40% feldspar (used for comparison). The reason why the BR-ashes are better than feldspar is due to their submicrometric and partially nanometric nature. The impact of BR-ash technology can be evaluated by its national potential production of 2 × 10(6) ton/year only from municipal solid waste (MSW) compared to 350,000 ton/year of national consumption. The first BR is under installation in Lorena - SP, Brazil.
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