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Rkia Zari on Muck Rack

Rkia Zari

As seen in: MDPI, Taylor & Francis Online
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Articles

Eco-friendly synthesis of sodium alginate modified zeolite from fly ash composite hydrogel for efficient removal of methyl orange from water: batch studies and RSM optimization

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By Rkia Zari, Vaishnavi Gomase, Jari S. Algethami, Tejaswini Rathi
| Taylor & Francis Online
ABSTRACT In this study, a novel composite adsorbent, Alg@Na-ZW, was successfully synthesised by embedding sodium zeolite (Na-ZW) into a sodium alginate matrix via a dispersion technique followed by thermal drying. The integration of Na-ZW into the biopolymer framework was confirmed through comprehensive characterisation using FTIR, XRD, SEM-EDX, XPS, and BET analyses, which revealed the formation of a porous structure favourable for adsorption.
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Mechanical, Structural, and Environmental Properties of Building Cements from Valorized Sewage Sludges

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By Mohamed Monkade, Rkia Zari, Abderrazzak Graich, Karima Abdelouahdi
| MDPI
Abstract : Building materials can enable the recycling of sewage sludge from tannery wastewater treatment by infiltration/percolation over coal and clay waste. The process avoids energy-intensive operations and yields a stable and environmentally friendly product. The sludge under study is mainly composed of SiO2, CaO, Al2O3, and Fe2O3, which is convenient to replace the mortar in cement.
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