AKTIVASI ZEOLIT ALAM SEBAGAI ADSORBEN LOGAM BERAT MG, AL, DAN ZNO MENGGUNAKAN LARUTAN NAOH

KAPITA PUTRI, WIDI (2018) AKTIVASI ZEOLIT ALAM SEBAGAI ADSORBEN LOGAM BERAT MG, AL, DAN ZNO MENGGUNAKAN LARUTAN NAOH. Undergraduate thesis, UNIMED.

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Abstract

Hasil zeolit alam yang berasal dari Tapanuli Selatan (Pahae) yang telah disintesis dengan metode kopresipitasi menggunakan variasi waktu yaitu variasi waktu 120,150, dan 180 menit menjadi nano zeolit. Nano zeolit tersebut kemudian dikarakterisasi dengan X-Ray Diffraction dan Scanning Electron Microscope- Energy Dispertion. Aplikasi nano zeolit sebagai adsorben logam dikarakterisasi dengan Atomic Adsorption Spectrofotometric. Karakterisasi dengan menggunakan XRD bertujuan untuk menentukan kemurnian dari nano zeolit yang sudah disintesis dengan cara mengidentifikasi agar dapat mengetahui jenis-jenis mineral dan partikel yang tersusun dalam sampel. Dari gambar yang dihasilkan dengan pengujian dengan XRD, spektrum terbaik pada hasil analisis XRD adalah pada sampel nanozeolit dengan variasi waktu saat dipanaskan selama 120 menit dimana nanozeolit memiliki peak paling tinggi pada fasa SiO2 dengan struktur kristalinnya adalah trigonal. Hasil karakterisasi dari X-Ray Diffraction menunjukkan bahwa ukuran diameter kristalin nano zeolit variasi waktu 120 menit, 150 menit, dan 180 menit adalah 28,57 nm, 37,18 nm, dan 45,53 nm dengan bentuk struktur kristalin berturut-turut adalah tetragonal, cubic dan trigonal. Hasil karakterisasi Scanning Electron Microscope- Energy Dispertion dari nano zeolit variasi waktu 120, 150 dan 180 menit menunjukkan bahwa terjadi pengurangan aglomerasi dan permukaan nano zeolit lebih halus. Hasil pengujian Surface Area Analyzer diketahui bahwa hasil luas permukaan total untuk masing-masing variasi waktu zeolit yaitu 120 menit 52.615 m2/g, 150 menit 108.320 m2/g, 180 menit 53.526 m2/g. Sedangkan perhitungan %kesalahan yang paling optimal pada waktu 120 menit dengan 9.1763%.Hasil analisis uji Atomic Adsorption Spectrofotometric menunjukkan bahwa penyerapan kandungan logam atau daya adsorbsi yang optimal yaitu pada logam Mg variasi waktu 180 menit adalah 99,99 % dibandingkan dengan penyerapan logam menggunakan zeolit waktu 150 menit dan 120 menit yaitu 99,95% dan 99,23%.

Item Type: Thesis (Undergraduate)
Contributors:
ContributionNameNIDN/NIDK
Thesis advisor, Sabani198004102006041003
Call Number: SK-2018 FIS 184
Keywords: Zeolit, Metode Kpresipitasi, Adsorben
Subjects: L Education > LB Theory and practice of education
Q Science > QC Physics
Q Science > QC Physics > QC717.6 Plasma physics. Ionized gases
Depositing User: Mr Fifri Juanda Harahap
Date Deposited: 04 Mar 2019 15:58
URI: http://digilib.unimed.ac.id/id/eprint/33021

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