Eco-efficient materials for agricultural crops based on a mineral rich in MOR- and HEU-type zeolites

• Esperanza Yamile de la Nuez-Pantoja,
• Inocente Rodríguez-Iznaga,
• Gerardo Rodríguez-Fuentes,
• Vitalii Petranovskii,
• Ariel Martínez García,
• José Juan Calvino Gámez and
• Daniel Goma Jiménez

Beilstein J. Nanotechnol. 2026, 17, 381–395, doi:10.3762/bjnano.17.26

• development of plants, as evidenced in the cultivation tests. Keywords: adsorption; agroecological fertilizer; ion exchange; MOR–HEU zeolite mixture; natural zeolite; Introduction Traditional chemical fertilizers, widely used in agriculture, undergo significant nutrient losses resulting from dissolution and

• microscopy (SEM), scanning transmission electron microscopy (STEM), N2 physisorption, and other research methods. Results and Discussion Characterization of DAP-modified zeolite CLIM The chemical compositions of natural zeolite (CLIM) from the San Andrés deposit and its modified forms (CLIMf) with ammonium

• ) are essential macronutrients for agricultural crops [31]. CLIM also contains large amounts of other beneficial elements, such as Si, whose positive effect on crops and soil is widely recognized [12]. FTIR studies of natural zeolite modified with DAP The FTIR spectra (Figure 1) of CLIM and CLIMf (CLIM

Zeolite materials with Ni and Co: synthesis and catalytic potential in the selective hydrogenation of citral

• Inocente Rodríguez-Iznaga,
• Yailen Costa Marrero,
• Tania Farias Piñeira,
• Céline Fontaine,
• Lexane Paget,
• Beatriz Concepción Rosabal,
• Arbelio Penton Madrigal,
• Vitalii Petranovskii and
• Gwendoline Lafaye

Beilstein J. Nanotechnol. 2025, 16, 520–529, doi:10.3762/bjnano.16.40

• , La Habana, Cuba Centro de Nanociencia y Nanotecnología (CNyN), Universidad Nacional Autónoma de México (UNAM), 22860, Ensenada, B.C., México 10.3762/bjnano.16.40 Abstract Zeolitic materials incorporating mono- and bimetallic systems of nickel and cobalt were obtained from natural zeolite modified

• produce unsaturated alcohols, suggesting that synergistic Ni–Co interactions played a role in their formation. Keywords: citral hydrogenation; cobalt–nickel mixture; impregnation; ion exchange; natural zeolite; Introduction Numerous publications in the literature highlight zeolites modified with

• group while preserving other reactive sites [3]. Building on these insights, this work presents research on the selective hydrogenation of citral using both monometallic and bimetallic nickel and cobalt catalysts supported on natural zeolite, which was modified with Ni2+ and Co2+ chloride solutions