Bacterial cellulose is be used as membrane filtration. This research was conducted to produce bacterial cellulose by using various concentrations of watermelon rind in the fermentation medium (30%, 40%, 50%, 60%, ...

Liquid coagulant was prepared by extraction of Cengar clays by using sulfuric acid with the variations of acid concentration, extraction time and temperature. Liquid coagulant with a maximum content of Al and Fe are used ...