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PÉRA, J.; AMBROISE, J. Recycling of paper sludge in building materials. In: CIB SYMPOSIUM ON CONSTRUCTION & ENVIROMENT: THEORY INTO PRACTICE, 2000, São Paulo. Anais... São Paulo: USP, 2000.
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Número de Trabalhos: 2 (Com arquivo PDF disponíveis: 2)
Citações: 2
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Dados do autor na base InfoHab:
Número de Trabalhos: 2 (Nenhum com arquivo PDF disponível)
Citações: 4
Índice h: 2  
Co-autores: Nenhum co-autor encontrado

Abstract

The pulp and paper industry generates large quantities of sludge from wastewater treatment. The sludge is typically landfilled, at considerable cost. A number of beneficial reuses of paper sludge have been considered, including as a soil material and raw material for blocks. Paper mill sludges typically consist of organic and inorganic solids, plus water. They generally contain wood fibers as the principal organic component. The inorganic component can consist of kaolinite, calcium carbonate, titanium oxide and other materials. When calcined under 700°C, these sludges present interesting pozzolanic properties and can be used in the development of high-strength concrete and colored concrete. When calcined over 750°C, the sludge behaves as a self-cementing material which can replace portland cement in several applications: masonry blocks, autoclaved products and controlled-low strength materials.
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