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PREPARATION OF ALGINATE BOUND MINERAL COMPOSITE GRANULES AND PRELIMINARY EVALUATION OF CHANGES IN WATER HARDNESS

Djaksimuratov Karamatdin MustapaevichAssociate Professor of Geology and Mineralogy, Karakalpak State University, NukusBekmanov Nigmat UtegenovichDoctor of Philosophy (PhD) in Geology and Mineralogy. Berdakh Karakalpak State University, NukusZamira Uzakbaevna AbdiramanovaSenior Lecturer, "Nukus State Technical University"Азима Пердебаевна АкимоваAssociate Professor, Department of "Mining and Metallurgy," Nukus State Technical UniversityNajimova Nursulu Bazarbaevnat.f.d,PhD Nukus State Technical University, NukusKurbanbayeva SanobarAssociate Professor "Nukus State Technical University"

2026en

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Annotatsiya

This study reports preparation of bentonite–glauconite–vermiculite–quartz granules with sodium alginate and preliminary changes in water hardness. An 800 g mineral blend (30:30:20:20 wt%) was mixed with 10 g sodium alginate dissolved in 300 g water. Granules were hardened in 10 g CaCl₂ dissolved in 300 g water for 30–40 min, washed and dried at 100 °C for 3–5 h. In one test, 300 g water passed through approximately 1 kg of granules (not confirmed dry) in 5–10 min. Total hardness declined from 25.00 to 5.00 meq/L (80.0% apparent reduction); calcium decreased from 272.54 to 40.08 mg/L and magnesium from 138.62 to 36.48 mg/L. These preliminary observations require replication, controls, analytical validation and leaching tests; potable-water safety was not established.

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Identifikatorlar

DOI: 10.5281/zenodo.23835171

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