Search
Now showing items 21-30 of 144
Pengaruh Jenis, Ukuran, dan Konsentrasi Arang sebagai Penurun Gas Metana pada Fermentasi Pakan Ternak Secara In Vitro
(2013)
Methane emission produced by feed fermentation in ruminants contributes in global warming. This study evaluated the effects of charcoal addition from coconut shells and empty fruit bunches of oil palm in feed fermentation. ...
Desorpsi Timbal pada Kerang Darah (Anadara granosa) Menggunakan Ekstrak Air Kulit Jeruk Siam dan Pektinnya
(2013)
Blood cockles (Anadara granosa) from some sources were reported to contain lead above the threshold as defined by the Standar Nasional Indonesia (SNI). In this experiment, orange peel extract and its pectin were used to ...
Selulosa Benzoat Berbasis Selulosa Mikrobial dan Aplikasinya sebagai Fase Diam Kromatografi Cair Kinerja Tinggi (KCKT)
(2013)
Nata de coco is one of the alternative sources for the provision of microbial cellulose. This research aims to modify microcrystalline cellulose from microbial cellulose by esterification technique and subsequent esterification ...
Pengayaan Unsur Tanah Jarang Secara Destruksi dan Pengendapan dari Pasir Monasit Bangka
(2013)
Rare earth elements (REEs) are lanthanide elements widely used in high-tech electronic equipment. In this study, REEs from earth minerals were enriched through several stages, namely destruction, extraction by microwave ...
Pemanfaatan limbah kaleng sebagai bahan dasar koagulan berbasis aluminium
(2013)
Wastes of canned drink were found abundantly in the environment. Utilization of this waste can increase the value of the waste. This type of can has been tested previously and showed the aluminum contents of 1.41–16.04%. ...
Sintesis ZnO dengan Tambahan Surfaktan Kationik dan Anionik Menggunakan Metode Hidrotermal
(2013)
ZnO is a semiconductor material that has been widely used in various applications, such as solar cell. This study aimed to synthesis ZnO with ZnSO4 and KOH using hydrothermal method and evaluate the effect of surfactants ...
Sintesis Magnetit dari Filtrat Hasil Destruksi Tailing Pasir Timah Pulau Bangka secara Hidrotermal
(2013)
The iron content in the filtrate of tin tailings sand destruction (FTTSD) of Bangka Island is potential as raw material for synthesis of magnetite. Very low acidity and the presence of Ti in FTTSD may interfere the synthesis ...
Arang Aktif Berbahan Baku sebagai Penyerap Polutan Gas dalam Media Kertas
(2013)
Bamboo as a lignocellulosic material has a good prospects to be processed as an activated carbon due to its availability and low cost. The purpose of this study was to provide activated carbon from bamboo. The activation ...
Sintesis 7-Hidroksiflavonol dan Fisetin
(2013)
Fisetin (7,3’,4’-trihydroxyflavonol) is commonly found in fruits and vegetables. It is potential as antioxidant, anti-inflammation, and antidiabetic. In this study, fisetin was synthesized by following 7-hydroxyflavonol ...
Perolehan Kembali Bahan Dasar Pelumas dari Limbah Pelumas Mesin dengan Metode Adsorpsi dan Penciriannya
(2013)
Engine lube oil waste can be recycled into lube base oil by removing the impurities. One way to eliminate the impurities is by adsorption method. The adsorbent studied were bentonite, zeolite, and silica and it was shown ...