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Jesie Silva, Lizebel Morante, Tesfamichael Demeke, Jacqueline Baah-Twum and Abel E. Navarro
The prevalence of antibiotics in water creates microbial resistance and has a negative impact on the ecosystem. Biomaterials such as spent tea leaves are rich in functional groups and are suitable for chemical modification for diverse applications. This ...
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Jeong W. Ha, Tenzing Japhe, Tesfamichael Demeke, Bertin Moreno and Abel E. Navarro
The presence of sulfur compounds in fossil fuels has been an important concern in recent decades as an environmental risk due to the increase of greenhouse gases in the atmosphere and accentuation of acid rain. This study evaluates modified clays as low-...
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Revathi Iyengar, Maria Faure-Betancourt, Saleh Talukdar, Jinting Ye and Abel E. Navarro
The goal of this study was to determine the optimal chain length needed for tethering functional groups on bio-wastes. The purpose of modifying the surface of bio-waste is to improve their affinity for phenols. To this end, four different aminated green ...
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Abel E. Navarro, Anibal Hernandez-Vega, Md Emran Masud, Loretta M. Roberson and Liz M. Diaz-Vázquez
Among several Puerto Rican algae, Sargassum sp. (SG) and Chaetomorpha (CM) showed the highest phenol adsorption capacity from aqueous solutions and were used in optimized adsorption batch experiments at room temperature. The effects of pH, ...
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Alvaro D. Sponza, Natalia J. Fernandez, David Yang, Karla A. Ortiz and Abel E. Navarro
Chemical modifications of clay to remove methylene blue (MB) from aqueous solutions at room temperature were compared. Natural bentonite (NC) was modified by cation exchange with hexadecyltrimethylammonium chloride (HC), bencyltriethylammonium chloride (...
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