Structure formation processes of sustainable construction material from hazardous sewage sludge with additions of wood ash, and lime production waste

Autor:	Clarice de Andrade, Monica A. Avanci, Rodrigo Eduardo Catai, Fernando Augusto Ferraz, Kirill Alekseev, Paulo H.B. Rolim, Dimas Agostinho da Silva, Vsévolod Mymrin, Walderson Klitzke
Rok vydání:	2019
Předmět:	0209 industrial biotechnology Absorption of water Waste management Mechanical Engineering Wood ash 02 engineering and technology Raw material engineering.material Bulk density Industrial and Manufacturing Engineering Computer Science Applications chemistry.chemical_compound 020901 industrial engineering & automation chemistry Control and Systems Engineering Hazardous waste engineering Carbonate Environmental science Leaching (metallurgy) Software Lime
Zdroj:	The International Journal of Advanced Manufacturing Technology. 105:5191-5201
ISSN:	1433-3015 0268-3768
DOI:	10.1007/s00170-019-04408-4
Popis:	The main purpose of this work was to look for new application for hazardous sewage sludge, wood ash, and lime production waste for replacement of traditional natural construction raw materials with high environmental efficiency. The composites reached the 13.0 MPa of axial resistance strength value on the 28th day with 16.07% of the water absorption values, 1.0% of expansion coefficient, and 1.675 g/cm3 of bulk density. The chemical, mineralogical, and granulometric compositions of the raw and developed materials studied by the complementary XRD, XRF, SEM, EDS, and LAMMA methods demonstrate a new mainly amorphous carbonate synthesis, responsible for the new structures formation with mechanical properties that exceed the requirements of the Brazilian technical standards. The results of the leaching and solubility tests showed their compliance with the Brazilian sanitary standards.
Databáze:	OpenAIRE
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