Pemanfaatan Rumput Gajah sebagai Sumber Silika untuk Sintesis Zeolit T

Authors

  • Soni Setiadji Jurusan Kimia, Fakultas Sains dan Teknologi, UIN Sunan Gunung Djati Bandung, Indonesia
  • Ani Sri Wahyuni Jurusan Kimia, Fakultas Sains dan Teknologi, UIN Sunan Gunung Djati Bandung, Indonesia
  • Dede Suhendar Jurusan Kimia, Fakultas Sains dan Teknologi, UIN Sunan Gunung Djati Bandung, Indonesia
  • Citra Deliana Dewi Sundari Program Studi Pendidikan Kimia, Fakultas Tarbiyah dan Keguruan, UIN Sunan Gunung Djati Bandung, Indonesia
  • Atthar Luqman Ivansyah Program Studi Magister Sains Komputasi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Institut Teknologi Bandung, Indonesia

DOI:

https://doi.org/10.15575/ak.v4i2.5085

Keywords:

Kimia Anorganik

Abstract

Zeolit T merupakan salah satu tipe zeolit yang digunakan sebagai bahan membran untuk pemisahan gas. Penggunaan silika sebagai prekursor untuk mensintesis zeolit perlu dioptimalkan. Dalam studi ini, sumber silika diperoleh dengan memanfaatkan bahan yang alami, yakni dari rumput gajah. Silika diperoleh dengan cara isolasi dari abu rumput gajah menggunakan NaOH. Silika yang diperoleh dari hasil isolasi rumput gajah memiliki persentase sebesar 71,91%. Zeolit T di sintesis dengan komposisi molar 1 SiO2 : 0,025 Al : 0,15 Na2O : 0,15 K2O : 15 H2O : dan 0,06 TMAOH dengan proses hidrotermal selama 4 hari, yaitu 2 hari pertama pada temperatur 60oC, dilanjutkan 2 hari berikutnya pada temperatur 120 oC. Proses inkubasi tersebut mentransformasi silika amorf menjadi kristal zeolit T. Zeolit yang dihasilkan dikarakterisasi dengan difraksi sinar-X (XRD) untuk mengkonfirmasi terbentuknya zeolit T, spektroskopi inframerah (FTIR) untuk mengkonfirmasi jenis ikatan yang terbentuk dan mikroskop pemindai elektron (SEM) untuk melihat morfologi zeolit T.

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Published

2017-12-29

Issue

Vol. 4 No. 2 (2017): al Kimiya: Jurnal Ilmu Kimia dan Terapan

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