Browsing Master Theses by Keyword "activation time"
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Pengaruh Kondisi Operasi Aktivasi terhadap Daya Jerap Ampas Kopi Bekas Sebagai Adsorben pada Proses Penyerapan Logam Kromium
(Universitas Sumatera Utara, 2022)Spend coffee grounds are biomass waste that has a high adsorption capacity, in this study used coffee grounds were used as adsorbents in adsorbing chromium metal in aqueous solutions. The coffee grounds were first activated ...