Formation of the Phase Composition of Ceramic Stone with the Use of High-Calcium Drill Cuttings

Results of producing the wall ceramic on the basis of the composition of low-melting clay raw materials-loam- and a high calcium component – drill cuttings (СDС) in the amount of 30% are presented. The research conducted made it possible to establish the influence of chemical-mineralogical composition, fineness of raw material grinding on the conver-sion of initial components in the course of burning and formation of the phase composition of ceramics. It is revealed that the thermal processes, occurring in the ceramic product with different content of CaO and Fe ² O ³ , impact on the mechanism and intensity of the formation of crystal phases, structure and properties of ceramic bricks. At this, the temperature of new formations reduces due to the fact that, when CDC dissociates, CaO, which is actively involved in the crystallization of anorthite- and wollastonite-like phases, is formed. Phase and structural changes described make it possible to produce the ceramic brick on the basis of the calcium-containing additive, drill cuttings, with standard physical and mechanical properties.

V.A. GUR’EVA ¹ , Doctor of Sciences (Engineering), (This email address is being protected from spambots. You need JavaScript enabled to view it.),
A.V. DOROSHIN ¹ , Engineer,
V.V. DUBINETSKIY ¹ , Engineer;
A.I. KUDYAKOV ² , Doctor of Sciences (Engineering)

¹ Orenburg State University (13, Avenue Pobedi, Orenburg, 460018, Russian Federation)
² Tomsk State University of Architecture and Building (2, Solyanaya Square, Tomsk, 634003, Russian Federation)

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