Portable Water Treatment Device

摘要

A portable water treatment device comprising an outer shell having a substantially flat bottom and a plastic inner liner, wherein the outer shell and the plastic inner liner together define an internal chamber having a first end for influent of a water source and a second end for effluent of treated water. The device also comprises a porous underdrain positioned near the bottom of the internal chamber; a filter bed comprising sand, and a Schmutzdecke formed within the flexible shell on or within the filter bed opposite the porous underdrain. Other embodiments include water treatment methods.

主权项

1. A portable water treatment device comprising:
(i) an outer shell having a substantially flat bottom and a plastic inner liner, wherein the outer shell and the plastic inner liner together define an internal chamber, the internal chamber having a first end for influent of a water source and a second end for effluent of treated water; (ii) a porous underdrain positioned near the bottom of the internal chamber; (iii) a filter bed comprising sand, wherein the filter bed is supported within the internal chamber by the flat bottom of the outer shell and surrounds the porous underdrain; and (iv) a Schmutzdecke formed within the flexible shell on or within the filter bed opposite the porous underdrain wherein the Schmutzdecke and filter bed cooperate to provide for filtration of influent water having a turbidity of equal to or less than 10.00 NTU to an effluent turbidity after the Schmutzdecke and filter bed of less than 1.00 NTU.