Abstract
A pulp and paper industry generates a large amount of industrial solid wastes, which are mostly wet sludge, basically composed by kaolin and pulp. The National Solid Waste Policy in force in Brazil instituted as mandatory to provide the adequate destination of this material and to improve the costs involved in the process. The purpose of this work was to analyze the feasibility of incorporating sludge from the pulp and paper industry in soil-cement blocks using 10% cement and 90% compensated soil. In the composition of this compensated soil, typical from the region where the research was performed, sand and 5%, 10%, and 15% of waste were incorporated in the clay mass. Compressive strength, water absorption and durability tests were carried out with loss of mass. The results indicate that blocks produced with waste incorporation of up to 10% meet the technical requirements set by the main international standards, enabling them to be used in civil construction and thus contributing to reduce the environmental impacts regarding the waste disposal.
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