Production of organic waste that is dominating waste generation becomes a problem for the environment. Eco enzyme is a solution made from brown sugar, water, and fermented fruit waste. Eco enzyme can become one of solution ...

Hazardous waste products and trash disposal methods are vital to society. Over the last few decades, the production of hazardous waste has increased in tandem with population growth, industrialization, increasing urbanization. ...

Environmental pollution is one of the factors causing environmental damage. The environment can accept a certain level of pollutant load and can neutralize it within a certain period. But along with the development of human ...

Good water quality following to the criteria for clean water, a series of treatments is needed. One of the processes that aim to reduce turbidity value is coagulation-flocculation. To achieve the maximum result, optimum ...