Fine coal is a by-product of coal washing, which is not utilized and nearly 2 billion tons per year of fine coal is waste. The objectives of the research are to treatment fine coal using centrifugation and coagulation-flocculation ...

Biofilm is a thin layer that can be used as an alternative packaging and environmentally friendly. The objectives of this study ware to synthesis and to characterize biofilm made of tapioca starch with addition of glycerol ...