Incorporação de CuSO4 residual em argamassa, como método de disposição final



Título del documento: Incorporação de CuSO4 residual em argamassa, como método de disposição final
Revista: Quimica nova
Base de datos: PERIÓDICA
Número de sistema: 000313235
ISSN: 0100-4042
Autors: 1


Institucions: 1Universidade Estadual de Londrina, Centro de Ciencias Exatas, Londrina, Parana. Brasil
Any:
Període: Jul
Volum: 29
Número: 4
Paginació: 699-703
País: Brasil
Idioma: Portugués
Tipo de documento: Artículo
Enfoque: Experimental, aplicado
Resumen en inglés Residual CuSO4 was incorporated into the mass utilized for cement preparation. To a cement mass with 1:0.5:5 of cement, lime and sand to 0.25, 0.50, 0.75 and 1.00% of residual CuSO4 were added. The sulfate was mixed separately with lime and water to induce metal precipitation. The hardened test bodies were submerged in Milli-Q water for three months. No Cu was detected in the water by Atomic Absorption Spectrometry. The best proportion for mechanical resistance and porosity is 0.50%. The cement is adequate for non-structural objects
Disciplines Ingeniería
Paraules clau: Ingeniería de materiales,
Cemento,
Sulfato de cobre,
Resistencia mecánica,
Porosidad
Keyword: Engineering,
Materials engineering,
Cement,
Copper sulfate,
Mechanical resistance,
Porosity
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