Activation of Fluorohydride by Various Chemical Additives for the Production of Construction Materials Based on It
Rakhadilov B. Sagdoldina Z. Kengesbekov A. Kussainov A. Abdulina S.
1 December 2024Iranian Institute of Research and Development in Chemical Industries
Iranian Journal of Chemistry and Chemical Engineering
2024#43Issue 124548 - 4556 pp.
In this study, we investigated the effects of various additives on the properties of fluorine hydrite binders, created by neutralizing acidic waste from hydrofluoric acid production. Our objectives included determining how the technological properties of anhydrite binders change with different additive amounts, identifying the optimal binder composition, developing mathematical models of the involved processes, and conducting statistical analysis through experimental design and mathematical planning. Particle-size analysis was performed using dynamic light scattering with a Fritsch Analysette-22, and the samples phase composition was examined using an XPertPro X-ray diffractometer (Philips Corporation, Netherlands). Calculations were performed using STATISTICA software. The studies showed that the setting speed and strength of products based on anhydrite binder are primarily influenced by the water temperature and amount used for mixing, assuming optimal binder dispersity. The strength of samples made from neutralized waste ranged from 0.5 to 1.2 MPa, while the strength of samples based on activated anhydrite binder ranged from 5.3 to 10.7 MPa, meeting the requirements for board production.
Anhydride binder , Chemical activation , Disposal , Fluorogypsum , Industrial waste
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Institute of Composite Materials, Ust-Kamenogorsk, 070000, Kazakhstan
Research Center Surface Engineering and Tribology, Sarsen Amanzholov East Kazakhstan University, Ust-Kamenogorsk, 070000, Kazakhstan
Plasma Science LLP, Ust-Kamenogorsk, 070000, Kazakhstan
Institute of Composite Materials
Research Center Surface Engineering and Tribology
Plasma Science LLP
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