ABSTRACT Treatment of domestic wastewater ( domestic sewage) can be done in various ways, one of which is the process by biofilter method. In this study the use of coconut shell filter media. Selection of media use in the study of coconut shell coconut shell because it's cheap, and easy to be in the traditional markets in both urban and rural, compared with a honeycomb of plastic media that ar…
Abstract Water is one of main necessity of human lffe, used to continue life and consumed by people. To get clean water which fulfill the requierement based on Permenkes RI Nomor 4l6/Per/IX/1990 is really hard, because of polution. One of water polution is eaccesive number of iron cencentration. To eliminate iron polution need technology, one of them is coagulation using natural coagulant 'Bij…