Abstract
This work is aimed at studying of possibility to use disperse metalwork wastes for building ceramic products manufacture. We performed the overall study of the composition and properties of the steel waterjet cutting disperse wastes and their behavior as part of the ceramic paste and baked ceramics. We noticed a positive effect of the wastes’ additives on the ceramic properties for three types of polymineral clay raw materials: reduction of air and fire shrinkage, strength improvement at optimal wastes content in the mixture, possibility to get quality baked ceramics at 900-950°C, improvement of the material hydro physical properties and possibility to vary the products’ colors. The received results allowed us to make a conclusion about possibility to use the steel waterjet cutting disperse wastes in the building ceramic production as a polyfunctional component: effective thinning agent, fluxing agent and component for volume coloring.
Highlights
Accumulation of large quantity of the production and human activity wastes is a serious ecological problem for big cities
Disperse wastes generated during mechanical processing of ferrous and non-ferrous metals, relate to the waste category, which is almost not studied with regard to utilization in the building materials production
Wastes adding is a polyfunctional active component - it decreases air and fire shrinkage, it increases ceramic material density and strength, it allows to reduce the burning temperature and to get quality baked ceramics at 900-9500С; it has a favorable effect on its frost and water resistance and provides a possibility to vary the products’ color
Summary
Accumulation of large quantity of the production and human activity wastes is a serious ecological problem for big cities. Disperse wastes generated during mechanical processing of ferrous and non-ferrous metals, relate to the waste category, which is almost not studied with regard to utilization in the building materials production. They include the wastes, generated during metals processing with cutting, turning, milling, drilling, chiseling, grinding etc. In accordance with FCCW 2019 they relate to 5 hazard class, i.e. non-hazardous (FCCW code – 3 61 218 72 39 5 – sand wastes during the waterjet cutting of ferrous and non-ferrous metals are almost nonhazardous) [2]. We should note that the other disperse metalwork wastes relate to 4 hazard class, i.e. to less hazardous, that is caused by the fact that some of them contain refined products, oils and other causes
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