1Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
2Physics Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
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@article{JKSA15105, author = {Eko Widagdo and Pardoyo Pardoyo and Agus Subagio}, title = {Pemanfaatan Carbon Nanotube dan Karbon Aktif sebagai Elektroda Model Desalinasi}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {11}, number = {3}, year = {2008}, keywords = {Desalinasi; Aliran Melalui kapasitor; carbon nanotube; elektroda}, abstract = {Telah dilakukan penelitian tentang pemanfaatan carbon nanotube dan karbon aktif sebagai elektroda model desalinasi. Elektroda dibuat dari komposit carbon nanotubes/active carbon (CNT/AC). Lempeng elektroda dibuat menggunakan metode pressing dengan pengaturan suhu 180°C. Karakterisasi elektroda dilakukan dengan Scanning Electron Microscopy (SEM). Elektroda yang terbentuk digunakan pada prototipe sistem Flow Through Capasitor (FTC) dengan larutan NaCl dan MgCl2.6H2O sebagai larutan uji. Pemberian tegangan pada prototipe dengan melakukan variasi tegangan pada 1, 1,5, 2, dan 3 volt. Kapasitas serapan ion-ion ditentukan dengan melakukan waktu pengaliran larutan pada 20, 30, 40, 50, dan 60 menit. Hasil penurunan konsentrasi diketahui dari pengukuran konsentrasi ion-ion logamnya dengan instrumen AAS. Hasil penelitian yang diperoleh berupa elektroda model desalinasi dengan ukuran panjang, lebar, dan tebal masing-masing 115, 75, dan 1,5 mm. Nilai hambatan elektroda adalah 32,5 ohm, komposisi optimum karbon dan binder yaitu 80:20, dan tegangan optimum pada 1,5 volt. Jumlah elektroda model desalinasi adalah 7 pasang dan kapasitas serapan ion komposit elektroda terhadap ion Na+ dan Mg2+ selama 60 menit, masing-masing sebesar 58,51 dan 53,68%.}, issn = {2597-9914}, pages = {90--95} doi = {10.14710/jksa.11.3.90-95}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/15105} }
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