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      Sintesis Komposit Hidroksiapatit-Zeolit NaP Berbasis Cangkang Tutut sebagai Adsorben Kadmium pada Limbah Elektroplating

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      Date
      2025
      Author
      Ramadhani, Muchammad Aldy
      Charlena
      Suparto, Irma Herawati
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      Abstract
      Pencemaran logam berat kadmium(II) akibat limbah elektroplating berdampak negatif pada perairan. Metode adsorpsi dengan komposit Hidroksiapatit-zeolit NaP menawarkan solusi potensial. Penelitian ini menyintesis komposit HAp/NaP menggunakan cangkang tutut sebagai prekursor kalsium melalui metode hidrotermal. Hasil spektrum-IR mengidentifikasi gugus PO4³?, -OH, -SiO4, -AlO4, dan vibrasi T-O-T. Hasil XRD menunjukkan fase HAp, HAp/NaP, dan zeolit NaP dengan ukuran kristal 47,575 nm dan kristalinitas 72,026%. Hasil SEM menunjukkan permukaan berpori dan heterogen. Hasil studi adsorpsi menunjukkan kapasitas dan efisiensi tinggi yang cenderung konstan dengan peningkatan konsentrasi ion kadmium(II). Penelitian ini diharapkan dapat memberi kontribusi untuk mengatasi pencemaran logam kadmium(II) pada perairan dengan bahan yang ramah lingkungan.
       
      Heavy metal cadmium(II) pollution from electroplating waste negatively impacts aquatic environments. The adsorption method using Hydroxyapatite-zeolite NaP composite offers a potential solution. This study synthesized HAp/NaP composites using snail shells as a calcium precursor through the hydrothermal method. IR spectrum results identified PO4³?, -OH, -SiO4, -AlO4 groups, and T-O-T vibrations. XRD results showed HAp, HAp/NaP, and zeolite NaP phases with a crystal size of 47.575 nm and crystallinity of 72.026%. SEM results revealed a porous and heterogeneous surface. Adsorption studies demonstrated high capacity and efficiency, which remained consistent with increasing cadmium(II) ion concentrations. This research is expected to contribute to addressing cadmium(II) pollution in water using environmentally friendly materials.
       
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      http://repository.ipb.ac.id/handle/123456789/161113
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      • UT - Chemistry [2069]

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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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