{"id":23526,"date":"2016-08-17T21:26:23","date_gmt":"2016-08-17T21:26:23","guid":{"rendered":"https:\/\/www.its.ac.id\/news\/2016\/08\/17\/berkat-udang-purwanto-sandang-gelar-doktor\/"},"modified":"2016-08-17T21:26:23","modified_gmt":"2016-08-17T21:26:23","slug":"berkat-udang-purwanto-sandang-gelar-doktor","status":"publish","type":"post","link":"https:\/\/www.its.ac.id\/news\/berkat-udang-purwanto-sandang-gelar-doktor\/","title":{"rendered":"Berkat Udang, Purwanto Sandang Gelar Doktor"},"content":{"rendered":"<div>\n<div>Proses penyulapan kulit udang itu ia paparkan pada sidang terbuka promosi doktor di Gedung Rektorat ITS. Berkat disertasinya, ada peluang terobosan baru dalam membuat membran alternatif untuk aplikasi <em>direct methanol fuel cell<\/em> (DMFC). DMFC sendiri adalah sel yang berguna dalam pembuatan bahan bakar.<\/div>\n<div><\/div>\n<div>Selama ini, membran yang sering digunakan untuk aplikasi DMFC adalah <em>nafion<\/em>. &quot;Sampai saat ini, belum ada ilmuwan di dunia yang mampu menandingi <em>nafion<\/em>. Membran ini masih menjadi primadona,&quot; ucap Purwanto. Ia sendiri mengaku tidak bisa sepenuhnya membuat membran yang dapat menandingi <em>nafion<\/em> apalagi dari kekuatan energinya. Namun membran yang dibuatnya ini memiliki beberapa karakteristik yang lebih baik dari <em>nafion<\/em>.<\/div>\n<div><\/div>\n<div>Kelebihan yang pertama ialah dari segi stabilitas senyawa. &quot;Memang <em>nafion <\/em>dari luar terlihat sebagai membran yang sangat rapat, namun ternyata masih bisa ditembus oleh banyak <em>methanol<\/em> setelah saya teliti,&quot; jelasnya meyakinkan. Selain itu, temuan miliknya juga memiliki kapasitas membran yang lebih baik dari <em>nafion<\/em>.<\/div>\n<div><\/div>\n<div>Selanjutnya, Purwanto menerangkan, membran buatannya ini memiliki keunggulan harga yang jauh dari <em>nafion<\/em>. &quot;<em>Nafion<\/em> itu mahal, sekitar 964 dollar per lembar. Sedangkan membran buatan saya ini gratis,&quot; ucap pria asli Bojonegoro ini. Ia juga mengatakan pernah menemui tumpukan kulit udang yang harus diangkut beberapa truk di pelabuhan Surabaya.<\/div>\n<div><\/div>\n<div>Di akhir sidang, guru di salah satu SMA di Bojonegoro ini dipromosikan sebagai doktor dengan predikat pujian. Purwanto pun terlihat sangat senang dengan hal ini, pasalnya ia bercerita harus mengulangi banyak percobaan selama berbulan-bulan di Malaysia.<\/div>\n<div><\/div>\n<div>Salah satu promotor sidang ini datang dari Universitas Teknologi Malaysia, Dr Juhana Jaafar. Sedangkan promotor lainnya adalah Prof Mardi Santoso PhD dan Lukman Atmaja PhD dari ITS. (yan\/oti)<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<div>Selama ini udang hanya diambil dagingnya untuk dimakan. Sedangkan kulitnya, menjadi tumpukan sampah yang kurang dimanfaatkan. Namun siapa sangka, di tangan Muhammad Purwanto, mahasiswa S3 Jurusan Kimia ITS, kulit udang disulapnya menjadi membran yang bermanfaat untuk sel bahan bakar. Penelitiannya tersebut berhasil mengantarkan Purwanto meraih gelar doktornya, Selasa (16\/8).<\/div>\n","protected":false},"author":1,"featured_media":23527,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14],"tags":[],"class_list":["post-23526","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>Berkat Udang, Purwanto Sandang Gelar Doktor - 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\/berkat-udang-purwanto-sandang-gelar-doktor\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Berkat Udang, Purwanto Sandang Gelar Doktor - ITS News\" \/>\n<meta property=\"og:description\" content=\"Selama ini udang hanya diambil dagingnya untuk dimakan. Sedangkan kulitnya, menjadi tumpukan sampah yang kurang dimanfaatkan. Namun siapa sangka, di tangan Muhammad Purwanto, mahasiswa S3 Jurusan Kimia ITS, kulit udang disulapnya menjadi membran yang bermanfaat untuk sel bahan bakar. 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