Systems for treatment of wastewater

Abstract

Systems and methods to treat wastewater are described herein. A wastewater treatment system may include a primary treatment system, a secondary treatment system, a disinfection treatment system, a solids treatment system, one or more fluid treatment systems, or combinations thereof.

1 . A wastewater treatment system comprising:
 a primary treatment system, wherein the primary treatment system is configured to remove at least a portion of solid material from a wastewater stream including biological contaminants; and   one or more fluid treatment systems, wherein at least one of the fluid treatment systems is coupled to an outlet of the primary treatment system, wherein at least one of the fluid treatment systems comprises a first vortex nozzle unit and a second vortex nozzle unit positioned in substantially opposed relation to the first vortex nozzle unit so that a stream exiting the first vortex nozzle unit contacts a stream exiting the second vortex nozzle unit to produce a contacted wastewater stream; and   a secondary treatment system comprising at least one aeration unit and at least one settling unit, wherein the at least one aeration unit and the at least one settling unit of the secondary treatment system are configured to remove at least a portion of the organic material from the contacted wastewater stream produced by the impingement of the first rotating wastewater fluid flow with the second rotating wastewater fluid flow from the outlet of the fluid treatment system;   wherein a wastewater stream passes through one or more of the fluid treatment systems after passing through the primary treatment system.   
     
     
         2 . (canceled) 
     
     
         3 . The system of  claim 1 , wherein the first vortex nozzle units of at least one of the fluid treatments systems has a plurality of vortex nozzles. 
     
     
         4 . The system of  claim 1 , further comprising an additive conduit coupled to at least one of the first vortex nozzle unit and the second vortex nozzle unit of at least one of the fluid treatments systems, wherein the additive conduit is configured to allow addition of an additive to a wastewater stream as the wastewater stream passes through the first and/or second vortex nozzle unit. 
     
     
         5 . The system of  claim 1 , wherein at least one vortex nozzle unit comprises a vortex nozzle comprising a nozzle body including a passageway therethrough, a plurality of inlet ports, and an end cap attached to the nozzle body. 
     
     
         6 . The system of  claim 1 , wherein the primary treatment system comprises a settling tank and wherein at least one of the fluid treatment systems is coupled to an outlet of the settling tank. 
     
     
         7 . (canceled) 
     
     
         8 . The system of  claim 1 , further comprising a disinfection system coupled to an outlet of the secondary treatment system, wherein the disinfection system is configured to eradicate at least a portion of the biological contaminants in the wastewater stream entering the disinfection system. 
     
     
         9 . The system of  claim 1 , further comprising a solids treatment system coupled to the secondary treatment system, wherein the solids treatment system is configured to produce a biosolid from sludge entering the solids treatment system from the secondary treatment system. 
     
     
         10 . The system of  claim 1 , further comprising a solids treatment system coupled to the disinfection system, wherein the solids treatment system is configured to produce a biosolid from sludge entering the solids treatment system from the disinfection system. 
     
     
         11 . The system of  claim 1 , further comprising:
 a disinfection system coupled to an outlet of the secondary treatment system, wherein the disinfection system is configured to eradicate at least a portion of the biological contaminants in the wastewater stream entering the disinfection system; and   a solids treatment system coupled to the secondary treatment system and/or the disinfection system, wherein the solids treatment system is configured to produce a biosolid from sludge entering the solids treatment system from the secondary treatment system and/or the disinfection system.   
     
     
         12 . The system of  claim 11 , wherein an inlet of at least one additional fluid treatment system is coupled to an outlet of the secondary treatment system and wherein an outlet of the additional fluid treatment system is coupled to an inlet of the disinfection system. 
     
     
         13 . The system of  claim 11 , wherein an inlet of at least one additional fluid treatment system is coupled to an outlet of the secondary treatment system and wherein an outlet of the additional fluid treatment system is coupled to an inlet of the solids treatment system. 
     
     
         14 . The system of  claim 11 , wherein an inlet of at least one additional fluid treatment system is coupled to an outlet of the disinfection system and wherein an outlet of the additional fluid treatment system is coupled to an inlet of the solids treatment system. 
     
     
         15 . The system of  claim 11 , wherein an inlet of at least one additional fluid treatment system is coupled to an outlet of the disinfection system and wherein an outlet of the additional fluid treatment system is coupled to a source of potable water. 
     
     
         16 . The system of  claim 11 , wherein an inlet of at least one additional fluid treatment system is coupled to an outlet of the solids treatment system and wherein an outlet of the additional fluid treatment system is coupled to a biosolid transport site. 
     
     
         17 - 25 . (canceled) 
     
     
         26 . A wastewater treatment system comprising:
 a primary treatment system, wherein the primary treatment system is configured to remove at least a portion of solid material from a wastewater stream;   a secondary treatment system coupled to an outlet of the primary treatment system, wherein the secondary treatment system is configured to remove at least a portion of the organic material in the wastewater stream entering the secondary treatment system;   a disinfection system coupled to an outlet of the secondary treatment system, wherein the disinfection system is configured to eradicate at least a portion of the biological contaminants in the wastewater stream entering the disinfection system; and   one or more fluid treatment systems, wherein an inlet of at least one of the fluid treatment system is coupled to an outlet of the secondary treatment system, wherein an outlet of the fluid treatment system is coupled to an inlet of the disinfection system, and wherein the fluid treatment systems comprises a first vortex nozzle unit and a second vortex nozzle unit positioned in substantially opposed relation to the first vortex nozzle unit so that a stream exiting the first vortex nozzle unit contacts a stream exiting the second vortex nozzle unit.   
     
     
         27 - 41 . (canceled) 
     
     
         42 . A wastewater treatment system comprising:
 a primary treatment system, wherein the primary treatment system is configured to remove at least a portion of solid material from a wastewater stream;   a secondary treatment system coupled to an outlet of the primary treatment system, wherein the secondary treatment system is configured to remove at least a portion of the organic material in the wastewater stream entering the secondary treatment system;   a disinfection system coupled to an outlet of the secondary treatment system, wherein the disinfection system is configured to eradicate at least a portion of the biological contaminants in the wastewater stream entering the disinfection system; and   one or more fluid treatment systems, wherein an inlet of at least one of the fluid treatment system is coupled to an outlet of the secondary treatment system, wherein an outlet of the fluid treatment system is coupled to an inlet of the disinfection system, and wherein the fluid treatment systems comprises a first vortex nozzle unit and a second vortex nozzle unit positioned in substantially opposed relation to the first vortex nozzle unit so that a stream exiting the first vortex nozzle unit contacts a stream exiting the second vortex nozzle unit.   
     
     
         43 - 78 . (canceled) 
     
     
         79 . The system of  claim 1 , wherein the fluid treatment system is configured to add a non-biocide additive to a wastewater stream as the wastewater stream passes through the first and/or second vortex nozzle unit, the non-biocide additive configured to increase the speed and/or quantity of bacteria killed in the fluid treatment system. 
     
     
         80 . The system of  claim 1 , further comprising a reservoir, wherein the fluid treatment system is configured to draw a stream of wastewater fluid from the reservoir. 
     
     
         81 . The system of  claim 80 , wherein the reservoir is an anaerobic digestion unit configured to remove at least a portion of pathogens from sludge in the reservoir, wherein wastewater drawn from the reservoir into the fluid treatment system comprises digested sludge produced by the anaerobic digestion unit. 
     
     
         82 . The method of  claim 80 , wherein the system is configured to:
 recycle at least a portion of the contacted wastewater stream produced by the impingement of the first rotating wastewater fluid flow with the second rotating wastewater fluid flow back through the fluid treatment system; and   flow at least a portion of the recycled contacted wastewater stream back to the reservoir.