{"id":19129,"date":"2014-09-08T16:28:25","date_gmt":"2014-09-08T16:28:25","guid":{"rendered":"https:\/\/www.its.ac.id\/news\/2014\/09\/08\/raih-doktor-berkat-silika-xerogel\/"},"modified":"2014-09-08T16:28:25","modified_gmt":"2014-09-08T16:28:25","slug":"raih-doktor-berkat-silika-xerogel","status":"publish","type":"post","link":"https:\/\/www.its.ac.id\/news\/raih-doktor-berkat-silika-xerogel\/","title":{"rendered":"Raih Doktor Berkat Silika Xerogel"},"content":{"rendered":"<p>Dalam sidang promosi doktor, Senin (8\/9), Sri menjelaskan bahwa umumnya Pembangkit Listrik Tenaga Panas Bumi (PLTB) selalu menghasilkan limbah padat yang disebut <em>geothermal sludge<\/em> (GS). <em>Geothermal sludge<\/em> merupakan endapan padat dengan kandungan silika dari limbah cair panas bumi. <\/p>\n<p>Di PLTB Dieng, tempat Sri melakukan penelitian, limbah geotermal tidak diolah secara kimiawi. &quot;Padahal GS mengandung banyak zat silika yang dibutuhkan oleh beragam industri dan bernilai jual tinggi,&quot; ujar wanita kelahiran Bogor ini.<\/p>\n<p>Salah satunya adalah silika amorf. Jenis silika murni ini memiliki struktur pori yang terkontrol. Permasalahannya, selama ini belum ada penelitian yang menghasilkan proses pengontrolan pori silika. Dengan alasan itulah, Sri meneliti tentang pembentukan silika xerogel yang berukuran lebih besar dari silika biasa.<\/p>\n<p>Menurut Sri, penelitian yang ia lakukan ini dapat menjadi solusi yang menguntungkan dalam operasi PLTB di Indonesia. Sebab, jumlah limbah GS di Indonesia terbilang besar yakni mencapai 165 ton.<\/p>\n<p>Proses untuk mendapatkan silika xerogel ini tidak sebentar. Setidaknya, Sri telah menghabiskan waktu lima tahun untuk menemukan cara memperoleh ekstraksi silika xerogel yang berkualitas yang tinggi, sederhana dan rendah energi. Keunggulan lain dari cara tersebut adalah ukuran silika yang besar dan memiliki. <\/p>\n<p>Sri mengaku, tidak mengalami kesulitan berarti dalam menjalankan penelitian ini. &quot;Sebab, saya sudah bertahun tahun bergelut dengan bidang ini,&#8221; lanjutnya.<\/p>\n<p>Kendati telah membuat satu terobosan baru, Sri mengungkapkan hasil disertasinya ini masih merupakan bahan mentah. Masih banyak sekali potensi penelitian yang dapat dikembangkan melalui hasil disertasinya ini. &quot;Saya berharap dapat terus&nbsp; melanjutkan penelitian tentang silika xerogel ini. Selain itu, semoga hasil penelitian ini dapat segera diaplikasikan ke dunia idustri,&quot; tutupnya. (gol\/ran)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Perjuangan Sri Muljani selama enam tahun untuk meraih gelar doktor dari Jurusan Teknik Kimia berakhir membahagiakan. Ia dinyatakan lulus dengan predikat sangat memuaskan lewat disertasi yang berjudul <em>Sintesis dan Karakteristik Silika Mesopori (Xerogel) Dari Geothermal Sludgem<\/em>. Penelitian tersebut juga telah berhasil diterbitkan di jurnal internasional, <em>Advanced Powder Technology<\/em>.<\/p>\n","protected":false},"author":1,"featured_media":19130,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14],"tags":[],"class_list":["post-19129","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>Raih Doktor Berkat Silika Xerogel - 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\/raih-doktor-berkat-silika-xerogel\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Raih Doktor Berkat Silika Xerogel - ITS News\" \/>\n<meta property=\"og:description\" content=\"Perjuangan Sri Muljani selama enam tahun untuk meraih gelar doktor dari Jurusan Teknik Kimia berakhir membahagiakan. 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