Browsing by Author "Andarini, Metalia"
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Daur Ulang Pelumas Bekas Menggunakan Asam Sulfat dan Ekstraksi Dengan Surfaktan
Andarini, Metalia | Soebrata, Betty Marita | Aries, Antonius (2012)Recycling of used lubricants can be performed by using sulphuric acid and bentonite as adsorbent. However, the resulting sludge is acidic and can pollute the environment unless treated properly. An alternative method is ...