Kajian terhadap aspek termodinamika suatu sistem campuran polimer-polimer diperlukan untuk mendapatkan informasi mengenai kemampuan pencampuran maksimal dan pemisahan fasa dari sistem campuran tersebut. Penelitian ini bertujuan untuk memperkirakan…
Ethanol as one of renewable energy was being considered an excellent alternative clean-burning fuel to replace gasoline. Continuous ethanol fermentation systems had offered important economic advantages compared to traditional systems. Fermentation…
Preparation of cellulose film from nata de pina, a product of pinapple fermentation, using acetobacter xylinum was done at room temperature for 15 days. The aim of the research is to investigate the effect of sugar concentration and pH on film…
Breadfruit starch is a unique resource which benefits for raw material of adhesive making. This study investigates hydrolysis method of breadfruit starch into dextrin with Sulphate Acid (H2SO4) catalysator. Dextrin hydrolysis is carry out in order to…
Resin penukar-anion, Relite MG 1/P, dapat digunakan untuk memisahkan sulfat dalam air laut guna mencegah pembentukan kerak kalsium sulfat pada heat exchanger. Resin tersebut menunjukkan selektivitas sulfat yang tinggi dalam air laut sintetis. Resin…
Ion exchange process between ion NH4+ and H+ by using zeolite as its ion exchanger is one of methods to purify water from ammonium ion content. Natural zeolites are chosen as ion exchanger because it is abundantly provided in Indonesia, especially in…
Hygiene is main reason for food processor to use waterjet cutting system. Traditionally food cutting process is low-quality, unsafe products, procedures and direct contact between product and labor. This paper introduced a low cost waterjet system…
Cu/Silica gel catalyst preparation by using silica content which is obtained from Sabang natural crystobalit has been done. Isolated silica from crystobalit is reacted with natrium hidroxide to produce silicate natrium that reacted further with…
Particle size reduction of zeolite to the nanometer scale leads to substantial changes in the properties of zeolite which make them promising materials for many applications including adsorption. Zeolite silicate-1 Nanocrystal was synthesized at…
Penelitian ini bertujuan untuk mengevaluasi pengaruh penyangga Al2O3, SiO2, dan TiO2 pada MoO3 terhadap kinerjanya dalam oksidasi etanol menjadi asealdehida. Katalis disiapkan dengan metode impregnasi dengan kandungan MoO3 of 25% dan 50%. Hasil…