Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods

Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods

Methods for treating waste water

Methods and systems for treating wastewater

Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods

Method and system for treating wastewater and sludges by optimizing sCOfor anaerobic autotrophic microbes

Apparatus and methods for control of waste treatment processes

Wastewater treatment method using annularly arranged microorganism carriers

Apparatus and method for alternative aeration-effluent wastewater treatment using ceramic membrane

Methods for treating waste water

Systems and methods for treating wastewater

Aquarium filter media including nanofibers

Wastewater treatment

APPARATUS AND METHODS FOR CONTROL OF WASTE TREATMENT PROCESSES

Thermally enhanced integrated wastewater treatment system

Submerged system and method for removal of undesirable substances from aqueous media

Wastewater treatment system

Method for controlling oxygen supply for treating wastewater, and facility for implementing same

Wastewater treatment

Wastewater treatment apparatus with two-stage multimedia biological filtration process

Methods and Systems for Treating Wastewater

HYBRID AEROBIC AND ANAEROBIC WASTEWATER AND SLUDGE TREATMENT SYSTEMS AND METHODS

Removing ammonia from waste water during cold weather months

Low oxygen biologically mediated nutrient removal

Wastewater treatment system

Process for treating nitrogenous wastewater with simultaneous autotrophic denitrification, hetertrophic denitrification and COD removal

Bio-denitrification apparatus and method for making and using same

Bioretention system and method

Biological filter for oxidizing ammonia in drinking water treatment

Apparatus and method for treating FGD blowdown or similar liquids

High efficiency ion exchange system for removing arsenic contaminants from water

Chemical process

Wastewater treatment system

Biological phosphorus removal

Liquid-solid circulating fluidized bed waste water treatment system for simultaneous carbon, nitrogen and phosphorus removal

Method for improving vermiculite's intake of ammonium ions, absorption material, its uses and method of removing ammonium from environment

Micro gas attendant system

Apparatus and methods for control of waste treatment processes

Biological water treatment by alternating continuous and sequential aeration

Functionalized green filtration media for passive underground drainfield for septic tank nutrient removal

Vertical-horizontal filter unit for the biological purification of polluted water

Passive underground drainfield for septic tank nutrient removal using functionalized green filtration media

Fluidized bed wastewater treatment apparatus

Method of supporting denitrification

SAF system and method involving specific treatments at respective stages

Dual cell nitrogen removal apparatus

Method of removing phosphorus and/or nitrogen

Micro-electron acceptor phosphorus accumulating organisms

Backwashing unsaturated wastewater filter

Treating unit for simultaneous removal of carbon and nitrogen from wastewater and treating apparatus having the same

Mixing eductor

Bioretention system and method

Method and apparatus for simultaneous clarification and endogenous post denitifrication

Combined nutrient recovery and biogas scrubbing system integrated in series with animal manure anaerobic digester

Apparatus for biological removal of phosphorus and nitrogen using granulated methane-oxidizing bacteria

Arrangement of denitrification reactors in a recirculating aquaculture system

Waste water treatment apparatus and waste water treatment method

Submerged fixed film anoxic bioreactor

Wastewater treatment system

Thermal water treatment device

Aeration-less water treatment apparatus

Mixed bacterial culture for atrazine degradation

Process and equipment for treating ammonium containing liquid

Process and equipment for treating ammonium containing liquid

Apparatus for treating sewage using a semi-batch process and associated method

Fluidized bed precipitator with optimized solids settling and solids handling features for use in recovering phosphorus from wastewater

Wastewater treatment system with simultaneous separation of phosphorus and manure solids

De-nitrification treatment system and method

Removal of ammonia from fermentation effluent and sequestration as ammonium bicarbonate and/or carbonate

Fluidized bed wastewater treatment

Apparatus and method for treating FGD blowdown or similar liquids

Method and arrangement for processing nitrogen-concentrated effluents in a sequential fractionated cycle biological reactor

System for supporting denitrification

Method for processing aqueous effluents containing metal nitrate or nitrite salts

Advanced treatment method of ethanolamine-wastewater based on physico-chemical and biological coupling process

Process and equipment for treating ammonium containing liquid

Process and equipment for treating ammonium containing liquid

HIGH EFFICIENCY ION EXCHANGE SYSTEM FOR REMOVING SELENATE CONTAMINANTS FROM WATER

Methods and apparatus for treating wastewater employing a high rate clarifier and a membrane

High efficiency ion exchange system for removing perchlorate contaminants from water

High efficiency ion exchange system for removing nitrate contaminants from water

Fluid bed expansion and fluidisation

Use of a magnetic separator to biologically clean water

Process for the simultaneous removal of BOD and phosphate from waste water

Wastewater treatment system

Liquid-solid fluidized bed waste water treatment system for simultaneous carbon, nitrogen and phosphorous removal

Process to improve the efficiency of a membrane filter activated sludge system

Method of treating stormwater runoff and domestic waste with coal ash

Biological method for removing phosphorus and nitrogen from water using granulated methane-oxidizing bacteria

Process for removing a contaminant from contaminated groundwater

Process to improve the efficiency of a membrane filter activated sludge system

Aerated anoxic membrane bioreactor

Tidal vertical flow wastewater treatment system and method

System and method for treating carbon, nitrogen, phosphorous containing wastewater

Dissimilatory sulfate reduction as a process to promote denitrification in marine recirculating aquaculture systems

Low oxygen biologically mediated nutrient removal

Apparatus and method for treating FGD blowdown or similar liquids

Membrane coupled activated sludge method and apparatus operating anoxic/anaerobic process alternately for removal of nitrogen and phosphorous

Method and apparatus for processing organic material

NITROGEN RECOVERY SYSTEM AND METHOD USING HEATED AIR AS STRIPPING GAS

Closed sulfur circulation system

Method and system for filtration of wastewater

Phased activated sludge system

Method and installation for the biological treatment of water using activated sludge and comprising aeration regulation

Apparatus and method for treating wastewater containing nitrogen-containing dyes

Treatment of wastewater containing phosphorous and nitrogen

System for treating wastewater containing organic compounds

Floating wetland structures for use in water remediation

Tidal vertical flow wastewater treatment system and method

Biomembrane filtration apparatus and method

Process and equipment for treating ammonium containing liquid

High efficiency ion exchange system and method for removing chromium from water

Fluid bed expansion and fluidisation

Denitrification reactor with a fixed culture

Methods and apparatus for treating wastewater employing a high rate clarifier and a membrane

Mixing eductor

Methods for the removal of organic nitrogen, organic and inorganic contaminants from an aqueous liquid

Apparatus and method for treating wastewater using contact media

Compositions and methods for the treatment of wastewater and other waste

Autotrophic denitrification chamber and calcium reactor

Hog manure treatment method

Method and apparatus for treating ammonium-containing liquid

Nitrate removal in a purge stream using constructed wetlands

Flooded densified leachbed anaerobic digestion

Membrane bioreactor, process and aerator

Phased activated sludge system

Thermal water treatment method

Soil covered environmentally affirmative household sewage treatment system

Water treatment method using an inorganic powder reagent with high specific surface area including a step of recycling said reagent

Apparatus and methods for control of waste treatment processes

Apparatus and method for wastewater treatment

Apparatus and methods for control of waste treatment processes

Nitrogen removal system and method for wastewater treatment lagoons

Method for operating anaerobic ammonium oxidation vessel and anaerobic ammonium oxidation equipment

Methods and apparatus for biological treatment of aqueous waste

Municipal wastewater treatment apparatus and process with a continuous feed and cyclic aeration

High efficiency ion exchanges system for removing contaminants from water

Method and equipment for processing organic material

Biologically active reactor system and method for treating wastewater

Process and apparatus for waste water treatment

Nitrogen recovery system and method using heated air as stripping gas

Wastewater treatment control

Autotrofic sulfur denitration chamber and calcium reactor

Controlled eutrophication system and process

Autotrofic sulfur denitration chamber and calcium reactor

Method and system for treating wastewater containing organic compounds

Process and assembly for the treatment of waste water on ships

Wastewater treatment apparatus and method for removing nitrogen and phosphorus

Integrated closed loop system for industrial water purification

Membrane bioreactor, process and aerator

Method and apparatus for the treatment of wastewater

Flood and drain wastewater treatment system and associated methods

Struvite crystallization

Seaweed-based product for treating liquid waste, together with method for making and using the seaweed-based product

Low energy nitrogen removal wetland technology

Upward flow constructed wetland for treatment of water contaminated with chlorinated aliphatics