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eISSN: 2581-9615 || CODEN: WJARAI || Impact Factor 8.2 ||  CrossRef DOI

Research and review articles are invited for publication in March 2026 (Volume 29, Issue 3) Submit manuscript

Physicochemical peculiarities of Georgian scolecite

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  • Physicochemical peculiarities of Georgian scolecite

Nana Osipova, Nino Burkiashvili * and Omar Lomtadze

Ivane Javakhishvili State University, P. Melikishvili Institute of Physical and Organic Chemistry, Tbilisi, Georgia.

Review Article

World Journal of Advanced Research and Reviews, 2025, 25(03), 586-591

Article DOI: 10.30574/wjarr.2025.25.3.0749

DOI url: https://doi.org/10.30574/wjarr.2025.25.3.0749

Received on 29 January 2025; revised on 04 March 2025; accepted on 07 March 2025

Physico-chemical investigation of Georgian scolecite has been carried out to study the adsorption of water vapor on it and its modified forms (treated with HCl and NH4Cl); their thermal and ion exchange properties against mono (Li, Na, NH4, K, Cs, and Rb), divalent (Sr, Ba Ca, Mg) and transition (Cd, Cu, Mn, Zn, Co and Ni) metal cations. Treatment of the scolecite samples with different concentrations (0.05N, 0.1N, 0.25N, 1N, and 3N) of HCl changes its adsorption capacity, and scolecite exhibits comparatively high values when treated with 0.2 N acid.  

Scolecite's thermal analysis shows the stability of its microporous crystalline structure up to 450°C, which conditions the feasibility of its application as an adsorbent and nanomaterial.

The structure of scolecite, the charge and size of the cations (both in the hydrated and dehydrated state), and cation concentration in the solution (0.1N, 0.3N, 0.5N, 1.0N, and 1.5N) determine the order of selectivity of scolecite against monovalent, divalent, and transition metal cations. Dynamic Exchange Capacity (DEC) values for the above cations on scolecite have been calculated.

Natural zeolite; Scolecite; Ion exchange; Molecular sieve; Thermal property; Adsorption 

https://wjarr.com/sites/default/files/fulltext_pdf/WJARR-2025-0749.pdf

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Nana Osipova, Nino Burkiashvili and Omar Lomtadze. Physicochemical peculiarities of Georgian scolecite. World Journal of Advanced Research and Reviews, 2025, 25(3), 586-591. Article DOI: https://doi.org/10.30574/wjarr.2025.25.3.0749

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