{"id":23599,"date":"2016-08-25T10:13:49","date_gmt":"2016-08-25T10:13:49","guid":{"rendered":"https:\/\/www.its.ac.id\/news\/2016\/08\/25\/dosen-its-sintesis-zsm5-dari-kaolin\/"},"modified":"2016-08-25T10:13:49","modified_gmt":"2016-08-25T10:13:49","slug":"dosen-its-sintesis-zsm5-dari-kaolin","status":"publish","type":"post","link":"https:\/\/www.its.ac.id\/news\/dosen-its-sintesis-zsm5-dari-kaolin\/","title":{"rendered":"Dosen ITS Sintesis ZSM5 Dari Kaolin"},"content":{"rendered":"<div>Zeolit merupakan kristal aluminosilikat berpori yang memiliki banyak manfaat. Dalam dunia industri, zeolit biasa digunakan sebagai campuran pada produksi <em>detergen<\/em>, katalis heterogen dengan sisi aktif asam, penukar ion, dan penyaring berukuran molekular. Salah satu zeolit yang terkenal adalah ZSM5. Zeolit jenis ini dikenal memiliki sifat asam kuat dan mempunyai dua saluran pori yang saling berpotongan.&nbsp;<\/div>\n<div><\/div>\n<div>Saat ini, untuk mendapatkan zeolit, biasanya dilakukan proses pemanasan yang membentuk meta kaolin dengan pemanasan 700 hingga 1000 derajat celsius. &quot;Teknik ini sangat memakan energi. Perlu dicari cara memanfaatkan kaolin yang efektif untuk menghasilkan zeolit,&quot; tutur Djoko.&nbsp;<\/p>\n<p>Kaolin merupakan suatu masa batuan yang kemudian tersusun dari material lempung yang mempunyai kandungan besi yang rendah, dan umumnya berwarna putih atau agak keputihan. Melalui penelitiannya, Djoko melakukan sintesis Kaolin Bangka secara langsung. <\/p>\n<p>Proses sintesis itu ia lakukan dengan teknik hidrotermal selama lebih dari satu jam. Ia juga menemukan pembaruan pemanfaatan kaolin tanpa pra perlakuan sintesis ZSM5 yang dipadu dengan pemberian benih. &nbsp;<\/p><\/div>\n<div>Lebih lanjut, dengan penggunaan suhu 175 derajat celcius dan penambahan benih silikat, proses tersebut berhasil dikerjakan selama satu sampai enam hari. Hasil sintesis ini dikarakterisasi dengan teknik XRD, FTIR, Adsorpsi piridin dan adsorpsi-desorpsi nitrogen.<\/p>\n<p> &quot;Hasil karakterisasi dengan XRD menunjukkan kristalinitas sebesar 85 hingga 100 persen dan penelitian ini sukses menemukan ZSM5 tanpa harus menggunakan energi tinggi,&quot; terang dosen jurusan Kimia ITS itu.&nbsp;<\/p><\/div>\n<p>Dari penelitian tersebut, ia merampungkan disertasinya yang berjudul <em>Sintesis ZSM5 Secara Langsung Dari Kaolin Dan Aplikasinya Pada Esterifikasi Asam Asetat<\/em>. Jerih payahnya selama selama tujuh semester akhirnya membuahkan hasil memuaskan. Ia pun berhasil mendapatkan gelar doktor dengan predikat sangat memuaskan. (ven\/guh)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Djoko Hartanto, mahasiswa S3 Jurusan Kimia ITS ini berhasil mensintesis Zeolite Socony Mobil-5 (ZSM5) secara langsung dari kaolin Bangka. Keberhasilan tersebut ia tuangkan dalam presentasi laporan penelitian dalam sidang terbuka untuk mendapatkan gelar doktornya. Sidang promosi terbuka itu ia laksanakan di Gedung Rektorat ITS, Kamis (25\/8)<\/p>\n","protected":false},"author":1,"featured_media":23600,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14],"tags":[],"class_list":["post-23599","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-berita-utama"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dosen ITS Sintesis ZSM5 Dari Kaolin - ITS News<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.its.ac.id\/news\/dosen-its-sintesis-zsm5-dari-kaolin\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dosen ITS Sintesis ZSM5 Dari Kaolin - ITS News\" \/>\n<meta property=\"og:description\" content=\"Djoko Hartanto, mahasiswa S3 Jurusan Kimia ITS ini berhasil mensintesis Zeolite Socony Mobil-5 (ZSM5) secara langsung dari kaolin Bangka. 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