Pengaruh Penambahan PVA-Sulfonasi pada Tongkol Jagung (Zea Mays) sebagai Adsorben Ion Logam Pb2+

Devika Tesnar Winda; Rum Hastuti; Abdul Haris

doi:10.14710/jksa.17.1.31-36

DOI: https://doi.org/10.14710/jksa.17.1.31-36

Pengaruh Penambahan PVA-Sulfonasi pada Tongkol Jagung (Zea Mays) sebagai Adsorben Ion Logam Pb2+

Devika Tesnar Winda, Rum Hastuti , Abdul Haris

Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia

Published: 1 Apr 2014.

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Abstract

Telah dilakukan penelitian tentang pengaruh penambahan PVA-sulfonasi pada tongkol jagung (Zea mays) sebagai adsorben ion logam Pb²⁺. Penelitian ini bertujuan untuk mendapatkan adsorben tongkol jagung (A1) maupun adsorben tongkol jagung-PVA sulfonasi (A2) dan mendapatkan data efektivitas adsorben dalam menyerap ion logam Pb²⁺. Metode yang digunakan pada penelitian ini adalah adsorpsi dengan parameter waktu kontak 10-150 menit, konsentrasi 5-20 ppm, dan pH 1-6 . Tahapan penelitian ini meliputi pembuatan dan karakterisasi adsorben A1 dan A2 serta aplikasi untuk mendapatkan data efektivitas adsorben. Karakterisasi dengan FTIR menunjukkan adanya gugus utama selulosa yaitu OH dan BET menunjukkan adanya kenaikkan luas permukaan sebesar 13%, penurunan rata-rata pori dan penurunan total volume pori sebesar 83% dan 81%. Adsorpsi Pb²⁺oleh adsorben A1 kondisi terbaik terjadi pada waktu kontak 90 menit, konsentrasi 20 ppm dengan persentase berat Pb teradsorpsi 83%, dan pH 6. Sedangkan pada adsorben A2 terbaik terjadi pada waktu kontak 30 menit, konsentrasi 20 ppm dengan persentase berat Pb teradsorpsi 100%, dan pH 6. Hasil penelitian dapat disimpulkan bahwa adsorben A2 dapat digunakan sebagai adsorben ion logam Pb²⁺.

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Keywords: tongkol jagung; PVA-sulfonasi; adsorben; logam timbal

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Section: Research Articles

Language : ID

In Vol 17, No 1 (2014): Volume 17 Issue 1 Year 2014

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