Pinastik (Pipa Tunas Septik or horizontally septic pipe) is sppropriate technnology to treatment wastewater on small scale. Pinastik made from 6” PVC pipe designed by prof. Ir. Hardjoso Pr. From UGM Yogyakarta. This tecnology give more adventage on domestic wastewater treatment but still showing low efficiency on removing organic matter (only 11.88%). Organic matter correlated with solids on …
Composting is a special process because the raw material, the place, although the method can be done by aryone and whenever. The aim of this article is to describe about the composition comparative between convensional and nonconvensional compost. The article used meta-analysis method, which is combines the results of several studies from many article that address a set of related research hypo…