PORTABLE, NON-BIOLOGICAL, CYCLIC SEWAGE TREATMENT PLANT

A sewage treatment system having sewage water intake means for receiving said untreated sewage water and directing it into said treatment system in a sewage water stream; a clarifier (28) coupled to said sewage water intake means, said clarifier having a tank having a vertical axis extending between a top and a bottom; tank walls (81, 83, 84) surrounding said vertical axis and defining a clarifier interior, said tank walls (81, 83, 84) further defining a holding chamber disposed adjacent said top, said holding chamber having substantially vertical, cylindrical sides (84) extending a spaced distance below said top; and a circulating chamber disposed below said holding chamber and extending to said bottom, said circulating chamber having substantially conical walls converging at a select angle relative to said vertical axis from adjacent said holding chamber to adjacent said bottom; a sewage water stream injection port (82) coupled to said circulating chamber adjacent said bottom and in fluid communication with said clarifier (28) interior; and header means disposed within said holding chamber and adapted to siphon a treated sewage water stream of treated sewage water from said clarifier; and a disinfector coupled to said sewage water intake means and adapted to non-biologically disinfect said sewage water.