Water Purification System

Abstract

A mobile water purification system having a trailer, a pretreatment subsystem having a cyclonic separator, a filtering subsystem fluidly connected with the pretreatment subsystem, the filtering subsystem having at least one bedded filter; a reverse osmosis subsystem fluidly connected with the filtering subsystem, the reverse osmosis subsystem having a waste output and a product output; a collection tank fluidly connected with and downstream of the reverse osmosis subsystem; a distribution subsystem fluidly connected with and downstream of the collection tank; a source water inlet mounted to the exterior and fluidly connected to the pretreatment inlet, the source water inlet outside of the at-least partially enclosed space; and a discharge water outlet mounted to the plurality of sidewalls and fluidly connected to the pressure tank, the discharge water outlet having an outlet opening outside of the at least partially-enclosed space.

1 . A mobile water treatment system, comprising:
 i) a trailer comprising an at least partially enclosed environment;   ii) an ozonation subsystem that oxidizes iron and biological material present in source water to form an ozonated water stream;   iii) a filtration subsystem that removes solids and oxidized iron present in the ozonated water stream to form a filtered water stream;   iv) a reverse osmosis subsystem that purifies a portion of the filtered water stream to form a quantity of purified water;   v) a storage tank in the at least partially enclosed environment to contain the quantity of purified water; and   vi) a chlorination subsystem that adjusts a chlorine concentration of the quantity of purified water.   
     
     
         2 . The mobile water treatment system of  claim 1 , further comprising: a mineral control subsystem that blends a mineral-containing water stream with the quantity of purified water to adjust a mineral content of the quantity of purified water. 
     
     
         3 . The mobile water treatment system of  claim 1 , further comprising: a potability monitoring subsystem, comprising a total dissolved solids sensor, a chlorine sensor, and a pH sensor in fluid communication with the storage tank. 
     
     
         4 . The mobile water treatment system of  claim 1 , wherein the at least partially enclosed environment is temperature-controlled. 
     
     
         5 . The mobile water treatment system of  claim 1 , wherein the ozonation subsystem, the filtration subsystem, the reverse osmosis subsystem, and the chlorination subsystem are contained in the at least partially enclosed environment. 
     
     
         6 . The mobile water treatment system of  claim 1 , wherein the mobile water treatment system is configured to maintain the quantity of purified water at a controlled chlorine concentration suitable for delivery to an eye wash station. 
     
     
         7 . A method to provide a quantity of potable water to′ a site proximate a water source, comprising:
 i) providing a trailer-mounted water treatment system to the site; 
 ii) ozonating a water stream derived from the water source to form an ozonated water stream; 
 iii) filtering the ozonated water stream to remove solids and oxidized iron present in the ozonated water stream to form a filtered water stream; 
 iv) passing the filtered water stream through a reverse osmosis subsystem to purify a portion of the filtered water stream to form the quantity of potable water; and 
 v) adjusting a chlorine concentration of the quantity of potable water. 
 
     
     
         8 . The method of  claim 7 , wherein the method is exclusive of chlorination prior to the passing the filtered water stream through a reverse osmosis subsystem. 
     
     
         9 . The method of  claim 7 , wherein the method further comprises: replacing a supply of trucked-in non-potable water with the quantity of potable water. 
     
     
         10 . The method of  claim 7 , wherein the site is an encampment comprising temporary housing. 
     
     
         11 . The method of  claim 7 , wherein the site is a natural disaster relief site. 
     
     
         12 . The method of  claim 7 , wherein the water source is a ground water source. 
     
     
         13 . A water purification system, comprising:
 i) a trailer comprising a side panel, the side panel having an inlet for source water;   ii) an ozonation subsystem that pretreats the source water to form an ozonated water stream;   iii) a first filtration subsystem that filters a first portion of the ozonated water stream to form a first filtered water stream;   iv) a reverse osmosis subsystem that purifies the first filtered water stream to form a quantity of purified water;   v) a second filtration subsystem that filters a second portion of the ozonated water stream to form a second filtered water stream; and   vi) a mineral control subsystem that adjusts a mineral content of the quantity of purified water by blending a portion of the second filtered water stream with the quantity of purified water, based at least on a reading from a total dissolved solids sensor.   
     
     
         14 . The water purification system of  claim 13 , wherein the mineral control subsystem is configured to adjust taste of the water. 
     
     
         15 . The water purification system of  claim 13 , wherein the source water is non-potable and the quantity of purified water is potable. 
     
     
         16 . The water purification system of  claim 15 , wherein the source water comprises bacteria, sulfur, sand, and/or silt. 
     
     
         17 . The water purification system of  claim 13 , further comprising: an onboard control subsystem that is configured for optional remote monitoring and optional at least partial control of the mobile water treatment system from an offsite location. 
     
     
         18 . The water purification system of  claim 17 , further comprising: a wireless interface that is configured for optional communications with the offsite location. 
     
     
         19 . The water purification system of  claim 17 , wherein the remote monitoring comprises transmitting one or more of a chlorination level, a pH measurement, a total dissolved solids measurement, and a volume of the quantity of purified water to the offsite location. 
     
     
         20 . A mobile water treatment system, comprising:
 i) a trailer having an at least partially enclosed environment and plural side panels;   ii) an inlet for source water at a first side panel of the plural side panels;   iii) a pretreatment subsystem configured for processing non-potable water, the pretreatment subsystem comprising an ozonation subsystem that processes source water to form an ozonated water stream;   iv) a reverse osmosis subsystem that purifies a water stream derived from the ozonated water stream to form a quantity of potable water;   v) a storage tank in the at least partially enclosed environment to contain the quantity of potable water; and   vi) a potability monitoring subsystem, comprising a total dissolved solids sensor, a chlorine sensor, and a pH sensor in fluid communication with the storage tank;   vii) an onboard control subsystem that is configured for optional remote monitoring and optional at least partial control of the mobile water treatment system from an offsite location; and   viii) a distribution subsystem, comprising: at least one outlet for distributing at least a portion of the quantity of potable water, the at least one outlet penetrating a second side panel of the plural side panels.