Rainwater is one of the most potential sources for water supply which can be used for everyday purposes, incJuding in hospitals, Rainwater relatively has good quality, however, in the harvest¬ing process, i. e, by collecting the water pouring from the root, pollutants may be brought and affecting the quality of the rsinweter. Filtration by using multimedia filter and ultraviolet disinfect¬ion…
Improper handling of household organic wastes can causing serious problems on humans and the environment. One effort to solve the problem is by com-posting. However, since composting takes a long time, the processs needs materials as activator or inoculant to quicken the time needed. Â This study used liquid inoculant from tape yeast and tempe yeast at the same dose, to understand which one is…