Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
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@article{JKSA18456, author = {Sitta Fatmawati and Rum Hastuti and Abdul Haris}, title = {Pengaruh H2SO4 pada PVA yang Dimodifikasi pada Campuran Biomassa Tongkol Jagung-Bulu Ayam sebagai Adsorben Campuran Logam Pb2+ dan Cu2+}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {18}, number = {2}, year = {2015}, keywords = {tongkol jagung-bulu ayam; kompetisi logam; PVA dengan H2SO4}, abstract = {Penelitian tentang pengaruh H 2 SO 4 pada PVA yang dimodifikasi pada campuran biomassa dari tongkol jagung - bulu ayam sebagai adsorben untuk campuran ion Pb 2+ dan Cu 2+ telah dilakukan. Tujuan dari penelitian ini adalah memperoleh data mengenai pembuatan adsorben dari tongkol jagung - bulu ayam sebelum dimodifikasi PVA dengan asam sulfat A 1 dan setelah modifikasi A 2 . Serta untuk menentukan kapasitas adsorpsi, konstanta kesetimbangan adsorpsi, energi adsorpsi dan pengaruh kompetisi campuran ion Pb 2+ dan Cu 2+ . Adsorben yang dihasilkan selanjutnya dikarakterisasi menggunakan spektroskopi FTIR dan BET. Hasil penelitian menunjukkan bahwa penambahan PVA dengan asam sulfat pada biomassa dari tongkol jagung - bulu ayam efektif untuk menurunkan kadar campuran ion Pb 2+ dan Cu 2+ . Hal ini dikarenakan penambahan PVA dengan asam sulfat dapat memperbesar pori-pori adsorben dari tongkol jagung - bulu ayam serta menambah gugus aktif OH. Hal tersebut ditunjukkan dari hasil analisis BET yang menunjukkan kenaikan luas permukaan sebesar 43,42%, rata-rata pori sebesar 79,55% dan total volume pori 2,5 kali lebih besar dibandingkan adsorben A 1 .}, issn = {2597-9914}, pages = {50--56} doi = {10.14710/jksa.18.2.50-56}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/18456} }
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