Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
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@article{JKSA18422, author = {Dahlia Nurmalasari and Rum Hastuti and Didik Widodo}, title = {Pengaruh Penambahan Polivinil Alkohol pada Biomassa Tongkol Jagung-Bulu Ayam sebagai Adsorben Campuran Ion Logam Tembaga dan Kromium}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {18}, number = {1}, year = {2015}, keywords = {adsorpsi; tongkol jagung; bulu ayam; polivinil alkohol; tembaga; kromium}, abstract = {Penelitian tentang pengaruh penambahan polivinil alkohol pada biomassa dari (tongkol jagung)-(bulu ayam) sebagai adsorben campuran ion logam tembaga dan kromium telah dilakukan. Tujuan penelitian ini adalah untuk mendapatkan adsorben (tongkol jagung)-(bulu ayam) (A 1 ), adsorben (tongkol jagung)-(bulu ayam) termodifikasi polivinil alkohol (A 2 ) dan karakter dari adsorben yang dihasilkan serta menentukan kapasitas adsorpsi dari adsorben. Hasil karakterisasi FTIR menunjukkan bahwa adanya penambahan gugus OH pada adsorben (A 2 ). Sementara hasil BET menunjukkan bahwa adsorben (A 2 ) mengalami penurunan luas permukaan dan total volume pori sebesar 39,83% dan 21,89%, sedangkan rata-rata ukuran pori mengalami kenaikan sebesar 29,54%. Kemampuan adsorben A 1 maupun A 2 terhadap penyerapan campuran ion logam tembaga dan kromium waktu kontak terbaik adalah pada 120 dan 90 menit dengan konsentrasi terbaik (1:1) yaitu 30 ppm. Kapasitas adsorpsi maksimum oleh adsorben A 1 maupun A 2 untuk ion logam tembaga masing-masing sebesar 2,02.10-3 mol g-1 dan 2,49.10-3 mol g-1, sedangkan untuk ion logam kromium sebesar 1,49.10-3 mol g-1 dan 1,63.10-3 mol g-1.}, issn = {2597-9914}, pages = {18--23} doi = {10.14710/jksa.18.1.18-23}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/18422} }
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