Use Downflow Hanging Sponge (Dhs) for Municipal Waste Water Treatment

Although every effort has been made to ensure the accuracy of the material contained in this publication, complete accuracy cannot be guaranteed. This work done by scientific and simple ways, hoping make addition a new technology in wastewater treatment. Down flow Hanging Sponge (DHS) is anew technology have advantaged are low coast, can application in a small area which far away than wastewater networks and have along life work . Down flow Hanging Sponge (DHS) is anew technology have efficiency results in waste water treatment .this work done in Egypt ,but it can application in all the world with different condition and different weather.