ClassID:

86396

C02F3/302 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Aerobic and anaerobic processes Nitrification and denitrification treatment

Sub-classes:
Recent Application in this class:
#1
20260078035
2026-03-19

PROCESS AND SYSTEM FOR SIMULTANEOUS NITRIFICATION AND DENITRIFICATION

#2
20260008708
2026-01-08

TREATING PRODUCED WATER FOR BENEFICIAL REUSE

#3
20250333343
2025-10-30

Intelligent Low-Carbon Treatment and Reuse System for Stormwater and Wastewater

#4
20250243098
2025-07-31

COMPACT SYSTEM AND METHOD FOR TREATING URINE AND OTHER WASTEWATER

#5
20250236546
2025-07-24

PROCESS AND APPARATUS FOR NITRITATION USING MEMBRANE AERATED BIOFILM REACTOR

#6
20250236540
2025-07-24

SYSTEM AND METHOD FOR TREATMENT OF AMMONIA IN A FEED WATER STREAM

#7
20250230080
2025-07-17

SUSPENDED CARRIER FOR RAPID FLUIDIZATION AND STABLE BIOFILM NITRIFICATION/DENITRIFICATION

#8
20250197264
2025-06-19

WASTEWATER TREATMENT APPARATUS AND WASTEWATER TREATMENT METHOD

#9
20250154037
2025-05-15

INTEGRATED SYNCHRONOUS NITROGEN AND SULFUR REMOVAL DEVICE AND WASTEWATER TREATMENT METHOD

#10
20250042790
2025-02-06

Centralized Wastewater Treatment Method and System

#11
20250019284
2025-01-16

SYSTEM AND METHOD OF SUPPLEMENTS DOSING TO REMOVE TOTAL NITROGEN FROM SEWAGE

#12
20240375982
2024-11-14

Water aeration and treatment method

#13
20240351926
2024-10-24

NUTRIENTS REMOVAL VIA SIMULTANEOUS NITRIFICATION AND DENITRIFICATION COUPLING WITH PHOSPHATE ACCUMULATION

#14
20240327263
2024-10-03

SYSTEM FOR BIOLOGICAL PHOSPHORUS AND NITROGEN REMOVAL IN AN ACTIVATED SLUDGE PROCESS

#15
20240317619
2024-09-26

PRETREATMENT TO REMOVE AMMONIA FROM HIGH STRENGTH WASTEWATER WITH MEMRBANE AERATED BIOFILM SIDESTREAM

#16
20240300828
2024-09-12

TREATING PRODUCED WATER FOR BENEFICIAL REUSE

#17
20240286940
2024-08-29

APPARATUS AND METHOD FOR REMOVING NITROGEN POLLUTION FROM WATER

#18
20240228344
2024-07-11

Water retention and aeration treatment method for contaminated water

#19
20240182345
2024-06-06

METHODS AND SYSTEMS FOR DIGESTING BIOSOLIDS AND RECOVERING PHOSPHORUS

#20
20240182337
2024-06-06

Microalgae culturing pond-constructed wetland coupled system and method for advanced sewage purification

#21
20240158271
2024-05-16

SEPTIC SYSTEM WITH IMPROVED PROCESSING EFFICIENCY, AND METHOD OF OPERATION

#22
20240140841
2024-05-02

AIR FLOW CONTROL IN A MEMBRANE AERATED BIOFILM REACTOR

#23
20240083792
2024-03-14

System and method for recovering nutrients from a high nitrogenous liquid waste

#24
20240083791
2024-03-14

System and method for recovering nutrients from a high nitrogenous liquid waste

#25
20240059594
2024-02-22

Simultaneous nitrification/denitrification (SNDN) in sequencing batch reactor applications

#26
20240051858
2024-02-15

METHOD FOR REMOVING AMMONIACAL NITROGEN FROM HYPERSALINE EFFLUENTS THROUGH A CONSORTIUM CONTAINING HIGH-SALINITY-RESISTANT HETEROTROPHIC NITRIFYING AND AEROBIC DENITRIFYING MICROORGANISMS

#27
20240018025
2024-01-18

AEROBIC BIOLOGICAL WASTEWATER TREATMENT IN A CONTINUOUS FLOW REACTOR

#28
20240002268
2024-01-04

Simultaneous Nitritation and Denitritation System

#29
20230373827
2023-11-23

Septic water treatment method for removing carbonaceous and nitrogenous compounds

#30
20230331608
2023-10-19

BIOREACTOR GARDEN WASTEWATER TREATMENT SYSTEM

#31
20230331607
2023-10-19

STORM FLOW OPERATION AND SIMULTANEOUS NITRIFICATION DENITRIFICATION OPERATION IN A SEQUENCING BATCH REACTOR

#32
20230322601
2023-10-12

Integrated device and treatment method for synchronous ecological treatment of domestic sewage and sludge

#33
20230259075
2023-08-17

DYNAMIC MULTI-OBJECTIVE PARTICLE SWARM OPTIMIZATION-BASED OPTIMAL CONTROL METHOD FOR WASTEWATER TREATMENT PROCESS

#34
20230227340
2023-07-20

Simultaneous nitrification/denitrification (SNDN) in sequencing batch reactor applications

#35
20230212046
2023-07-06

Microbial carrier and device for treating wastewater

#36
20230174400
2023-06-08

Systems and Methods for Reducing Pollutants, Including Carbon in Public Utilities, Agriculture and Manufacturing

#37
20230159361
2023-05-25

Anaerobic-AO-SACR combined advanced nitrogen removal system and technology for high ammonia-nitrogen wastewater

#38
20230139472
2023-05-04

System and Method for Indirect Measurement of Oxygen Utilization Rate and Influent Load for Aeration Control

#39
20230079372
2023-03-16

Process and apparatus for nitritation using membrane aerated biofilm reactor

#40
20230071009
2023-03-09

APPARATUS AND METHOD FOR SYNCHRONOUSLY TREATING SEWAGE AND SLUDGE THROUGH COMBINATION OF STEP-FEED PARTIAL NITRIFICATION AND ANAEROBIC AMMONIA OXIDATION

#41
20230048932
2023-02-16

System and method for recovering nutrients from a high nitrogenous liquid waste

#42
20230046027
2023-02-16

MICROBE-BASED SYSTEMS, COMPOSITIONS, AND METHODS THEREOF

#43
20230024100
2023-01-26

INTEGRATED DUAL CIRCULATION OXIDIZATION DITCH APPARATUS FOR MUNICIPAL WASTEWATER AND TREATMENT METHOD

#44
20230002262
2023-01-05

METHOD FOR DEEP TREATMENT OF HOUSEHOLD WASTE LEACHATE BY BIOCHEMICAL PROCESS

#45
20220411300
2022-12-29

Bioreactor system and method for nitrification and denitrification

#46
20220402791
2022-12-22

Bioaugmentation treatment process for lithium battery producing wastewater

#47
20220396511
2022-12-15

Wastewater processing modules and wastewater treatment systems including the same

#48
20220340463
2022-10-27

System and Method for Supplying Return Activated Sludge

#49
20220315466
2022-10-06

Wastewater treatment system and process

#50
20220306504
2022-09-29

Biological nitrogen removal method based on multistage feeding and multistage anoxic/aerobic chambers for wastewater treatment at low temperature

#51
20220306502
2022-09-29

Systems and methods for automated control of mixing and aeration in treatment processes

#52
20220298041
2022-09-22

Method for water treatment and recycling

#53
20220200029
2022-06-23

System and Method of Generating Electricity in A Body of Water

#54
20220194834
2022-06-23

Method for treating wastewater or sludge

#55
20220194833
2022-06-23

System and Method of Separating Oxygen from A Body of Water

#56
20220194786
2022-06-23

System and Method of Generating Hydrogen Gas

#57
20220162099
2022-05-26

Wastewater treatment device and wastewater treatment method

#58
20220161189
2022-05-26

MICROORGANISM DEODORIZING DEVICE AND DEODORIZATION TREATMENT SYSTEM

#59
20220153619
2022-05-19

Method for biologically treating ammonium perchlorate with pooling of the microfiltration

#60
20220112112
2022-04-14

A/O tower integrated device for biological treatment of organic sewage containing COD and nitrogen and method by using the same

#61
20220073391
2022-03-10

Methods and systems for digesting biosolids and recovering phosphorus

#62
20220016587
2022-01-20

Systems, Methods, and Apparatus for Utilizing a Resuspension Tank

#63
20210317025
2021-10-14

Device and method for sulphur cycle-based advanced denitrification of waste water coupling autotrophic denitrification and heterotrophic denitrification

#64
20210298275
2021-09-30

Water treatment system for a recirculation aquaculture facility

#65
20210276902
2021-09-09

WASTEWATER TREATMENT SYSTEM

#66
20210253460
2021-08-19

Wastewater treatment with suspended growth and membrane aerated biofilm

#67
20210206677
2021-07-08

Organic wastewater treatment apparatus

#68
20210206676
2021-07-08

Operating method for organic wastewater treatment apparatus and organic wastewater treatment apparatus

#69
20210206674
2021-07-08

Method and device for treating ammonia-nitrogen wastewater using microbial electrolysis cell assisted SANI system

#70
20210179462
2021-06-17

Method for treating organic wastewater, and device for treating organic wastewater

#71
20210179445
2021-06-17

PhAGR basin

#72
20210171375
2021-06-10

PRETREATMENT TO REMOVE AMMONIA FROM HIGH STRENGTH WASTEWATER WITH MEMRBANE AERATED BIOFILM SIDESTREAM

#73
20210094851
2021-04-01

METHOD OF CONTROLLING A WASTEWATER TREATMENT PLANT

#74
20210087095
2021-03-25

Screw type separation device and wastewater treatment system

#75
20210061691
2021-03-04

Water treatment method and water treatment device

#76
20210047215
2021-02-18

WASTEWATER TREATMENT METHOD

#77
20210039972
2021-02-11

CONTROL SYSTEM AND CONTROL METHOD

#78
20210024391
2021-01-28

Wastewater treatment system and process

#79
20200406188
2020-12-31

BIO-FILTER SYSTEM

#80
20200377396
2020-12-03

Method and device for treating wastewater

#81
20200361803
2020-11-19

Method for improving quality of aquaculture pond water using a nutrient germinant composition and spore incubation method

#82
20200330936
2020-10-22

Systems, Methods, and Apparatus for Utilizing a Resuspension Tank

#83
20200283315
2020-09-10

Simultaneous nitrification/denitrification (SNDN) in sequencing batch reactor applications

#84
20200239342
2020-07-30

Microorganism based recirculating aquaculture system

#85
20200216343
2020-07-09

Wastewater treatment device and wastewater treatment method

#86
20200189948
2020-06-18

Wastewater treatment system and method

#87
20200131064
2020-04-30

Reconfigurable leaching module

#88
20200109073
2020-04-09

Apparatus and method for removing nitrogen and phosphorus from sewage by using sponge iron and activated sludge

#89
20200095147
2020-03-26

NITROGEN REMOVAL METHOD, NITRIFICATION-REACTION PROMOTING AGENT FOR WATER TREATMENT, AND WATER TREATMENT METHOD

#90
20200095146
2020-03-26

Method for a water treatment in a system comprising at least one sequencing batch reactor and a moving bed biofilm reactor

#91
20200087181
2020-03-19

Controlled simultaneous nitrification and denitrification in wastewater treatment

#92
20200079669
2020-03-12

Water treatment apparatus for removing nitrogen contained in raw water and water treatment method using the same

#93
20200062628
2020-02-27

Bioreactor for treating sewage and sewage treatment system comprising the same

#94
20200062626
2020-02-27

Lagoon-based wastewater treatment with denitrification

#95
20200048131
2020-02-13

Biomass selection and control for continuous flow granular/flocculent activated sludge processes

#96
20190389753
2019-12-26

Biological treatment installation with sequencing batch reactor integrating purifying plants and moving biomass carriers, and method of implementation

#97
20190352206
2019-11-21

System and process for treating produced and frac flowback waters

#98
20190291047
2019-09-26

Process and plant for the thermal abatement of malodorous emission from a purification plant with energy recovery from said abatement

#99
20190263676
2019-08-29

Systems and methods for a low environmental impact treatment of contaminated fluid

#100
20190225519
2019-07-25

Process for the treatment of wastewater containing organic material and ammonia

#101
20190168137
2019-06-06

Filter unit

#102
20190152820
2019-05-23

Method of combining recuperative digestion with a contact tank and dissolved air flotation

#103
20190135665
2019-05-09

Systems and methods for automated control of mixing and aeration in treatment processes

#104
20190106348
2019-04-11

Treatment of phosphate-containing wastewater

#105
20190100452
2019-04-04

Biological removal of micropollutants from wastewater

#106
20190092665
2019-03-28

Flow equalization reactor having multiple wastewater treatment zones

#107
20190092662
2019-03-28

Wastewater treatment device and wastewater treatment method

#108
20190091632
2019-03-28

Method for operating membrane separation device with halt process

#109
20190071336
2019-03-07

Method for improving quality of aquaculture pond water using a nutrient germinant composition and spore incubation method

#110
20190071334
2019-03-07

System and method for treatment of wastewater

#111
20190046952
2019-02-14

Multi-stage activated carbon systems and processes with recycled streams

#112
20190039932
2019-02-07

Process For Treating Wastewater

#113
20190014754
2019-01-17

DENITRIFYING DEVICE AND AQUATIC ORGANISM BREEDING SYSTEM

#114
20180354828
2018-12-13

Ammonia-based aeration control with SRT Control

#115
20180320356
2018-11-08

River course ecological treatment system

#116
20180319713
2018-11-08

Production of arginine-rich proteins from wastewater and use as a fertilizer

#117
20180319686
2018-11-08

Reconfigurable leaching module

#118
20180305233
2018-10-25

Nitrogen removal method, nitrification-reaction promoting agent for water treatment, and water treatment method

#119
20180304196
2018-10-25

Method and apparatus for removal of hydrogen sulphide from gas mixtures with microorganisms

#120
20180297879
2018-10-18

Bioreactor for treating sewage and sewage treatment system comprising the same

#121
20180290908
2018-10-11

WATER TREATMENT SYSTEM FOR SIMULTANEOUS NITRIFICATION AND DENITRIFICATION

#122
20180230034
2018-08-16

Continuous process for the treatment of wastewater

#123
20180155225
2018-06-07

INDIVIDUAL SEPTIC TANK UNIT

#124
20180148361
2018-05-31

MEMBRANE CONNECTOR TO PROMOTE MASS TRANSFER IN A MEMBRANE AERATED BIOFILM REACTOR (MABR)

#125
20180141839
2018-05-24

MBR frame

#126
20180127292
2018-05-10

Systems and methods for formation of biologically active granules and biologically active granules

#127
20180117534
2018-05-03

Membrane bioreactor system using reciprocating membrane

#128
20180111862
2018-04-26

Aeration discs and methods for using same

#129
20180099887
2018-04-12

Apparatus for relieving surface-layer clogging of denitrification deep-bed filter and method for running the same

#130
20180072598
2018-03-15

Method for producing microbiologic agent, and microbiologic agent

#131
20180057382
2018-03-01

System and method for waste treatment

#132
20180044211
2018-02-15

Assembly for supporting mixed biofilm

#133
20180044210
2018-02-15

Systems and devices for treating and monitoring water, wastewater and other biodegradable matter

#134
20180016169
2018-01-18

MICROBIAL FUEL CELL SYSTEM

#135
20180009691
2018-01-11

Biological wastewater treatment system containing a salt-rejecting membrane filter and recycle conduit

#136
20180009690
2018-01-11

Flow equalization reactor having multiple wastewater treatment zones

#137
20180009688
2018-01-11

Method and system for treating wastewater

#138
20180002208
2018-01-04

Wastewater Treatment System

#139
20170369350
2017-12-28

Internal sulfur cycling SANI (ISC-SANI) process for biological wastewater treatment

#140
20170355629
2017-12-14

Tubular elements for cake filtration and method of providing a filtration cake

#141
20170283291
2017-10-05

Nitrogen-reducing wastewater treatment system

#142
20170253890
2017-09-07

METHOD FOR PREPARING BACTERIAL AGENT FOR REMOVING AMMONIA

#143
20170225988
2017-08-10

Sequencing batch facility and method for reducing the nitrogen content in waste water

#144
20170217806
2017-08-03

High bioactivity density, aerobic wastewater treatment

#145
20170217803
2017-08-03

Redox water treatment method

#146
20170166465
2017-06-15

Wastewater treatment process

#147
20170152167
2017-06-01

SYSTEMS AND METHODS FOR AUTOMATED CONTROL OF MIXING AND AERATION IN TREATMENT PROCESSES

#148
20170129797
2017-05-11

Process for the treatment of a flow of waste water by low-pressure filtration

#149
20170081225
2017-03-23

Portable wastewater treatment systems

#150
20170015575
2017-01-19

Wastewater treatment system having flow ports for modulating flow

#151
20160376178
2016-12-29

Vertical sewage treatment device and method

#152
20160362322
2016-12-15

Water treatment equipment for recirculating aquaculture

#153
20160311713
2016-10-27

METHOD AND APPARATUS FOR MAXIMIZING NITROGEN REMOVAL IN WASTEWATER

#154
20160304370
2016-10-20

Methods and apparatuses for water, wastewater, and waste treatment

#155
20160289107
2016-10-06

Moving bed biofilm reactor for waste water treatment system

#156
20160264438
2016-09-15

Hybrid reactor and process for removing selenium

#157
20160200609
2016-07-14

Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle

#158
20160145131
2016-05-26

Method and equipment for the biological denitrification of waste water

#159
20160115059
2016-04-28

System and process for removing nitrogen compounds and odors from wastewater and wastewater treatment system

#160
20160115058
2016-04-28

CONTROL APPARATUS AND METHOD FOR A SEWAGE PLANT

#161
20160115054
2016-04-28

Systems and methods for enhanced facultative biosolids stabilization

#162
20160096755
2016-04-07

METHOD OF BIOLOGICAL WASTEWATER TREATMENT

#163
20160096754
2016-04-07

Wastewater treatment system

#164
20160083268
2016-03-24

Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle

#165
20160075577
2016-03-17

Moving bed media flow equalization reactor

#166
20160039695
2016-02-11

System and method of treating wastewater

#167
20160023935
2016-01-28

Treatment of municipal wastewater with anaerobic digestion

#168
20160023932
2016-01-28

Method for deammonification process control using pH, specific conductivity, or ammonia

#169
20150368131
2015-12-24

Integrated system of a methanogenic anaerobic reactor and membrane bioreactor for the elimination of organic material and nitrogen from wastewater

#170
20150360981
2015-12-17

Process for treating effluents containing nitrogen in ammonium form, and equipment for implementing this process

#171
20150353400
2015-12-10

System and method for treating waste water by means of passive phosphorus capture

#172
20150353395
2015-12-10

Biological wastewater treatment processes that enhances the capacity for polyhydroxyalkanoate accumulation in a mixed culture biomass

#173
20150315050
2015-11-05

System for reducing emission of nitrous oxide during sewage treatment

#174
20150284279
2015-10-08

Installation and method for wastewater treatment

#175
20150266759
2015-09-24

WASTEWATER TREATMENT APPARATUS WITH DUAL-LEVEL CONTROL

#176
20150251936
2015-09-10

Lagoon biological treatment method and system

#177
20150232361
2015-08-20

Method and apparatus for decreasing the content of impurities in raw water

#178
20150166381
2015-06-18

Apparatus for biological sewage treatment

#179
20150166380
2015-06-18

Membrane supported biofilm apparatus

#180
20150114904
2015-04-30

System and method for waste treatment

#181
20150048026
2015-02-19

Systems and methods for automated control of mixing aeration in treatment processes

#182
20150048012
2015-02-19

Bioreactor

#183
20150001094
2015-01-01

Processes and apparatuses for removal of carbon, phosphorus and nitrogen

#184
20140374346
2014-12-25

Wastewater treatment apparatus, wastewater treatment method, wastewater treatment system, control device, and control method

#185
20140374345
2014-12-25

Wastewater treatment apparatus, wastewater treatment method, wastewater treatment system, control device, and control method

#186
20140374344
2014-12-25

METHOD FOR TREATING WASTEWATER CONTAINING AMMONIA NITROGEN

#187
20140353247
2014-12-04

Water denitrification

#188
20140291239
2014-10-02

Wastewater treatment method and equipment using a dual-diffusion oxygen supply horizontal-flow biofilm

#189
20140284273
2014-09-25

Decanted bio-balanced reactor and method

#190
20140263042
2014-09-18

Simultaneous anoxic biological phosphorus and nitrogen removal

#191
20140263041
2014-09-18

Method and apparatus for maximizing nitrogen removal from wastewater

#192
20140262999
2014-09-18

Reactor for sewage treatment

#193
20140238932
2014-08-28

Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle

#194
20140217019
2014-08-07

Biological-chemical treatment of liquid organic wastewater

#195
20140197097
2014-07-17

Simultaneous anoxic biological phosphorus and nitrogen removal with energy recovery

#196
20140151294
2014-06-05

Method and apparatus for residential water recycling

#197
20140138308
2014-05-22

Optimized process and aeration performance with an advanced control algorithm

#198
20140124438
2014-05-08

Wastewater treatment method and device

#199
20140097132
2014-04-10

Membrane bioreactor system using reciprocating membrane

#200
20140091035
2014-04-03

Method and apparatus for maximizing nitrogen removal from wastewater

#201
20140083938
2014-03-27

Methods for treating waste water

#202
20140083934
2014-03-27

Biological two-stage contaminated water treatment system

#203
20140076799
2014-03-20

Methods and systems for treating wastewater

#204
20140061124
2014-03-06

EFFLUENT TREATMENT PROCESS AND PLANT

#205
20140048480
2014-02-20

Method and apparatus for biologically treating coking-plant wastewater

#206
20140042086
2014-02-13

METHOD FOR IMPROVING A WASTEWATER PURIFICATION PROCESS

#207
20140008280
2014-01-09

Bioreactor with suspended biomass and membrane supported biofilm

#208
20130341268
2013-12-26

Method and system for treating wastewater

#209
20130319938
2013-12-05

Method for Treating Water Within a Sequencing Batch Reactor, Including an In-Line Measurement of the Nitrite Concentration

#210
20130292330
2013-11-07

Ultrapure water producing method and apparatus

#211
20130291608
2013-11-07

Systems and method for biomass digestion

#212
20130277291
2013-10-24

INTEGRATED WATER PROCESSING TECHNOLOGY

#213
20130270182
2013-10-17

Decanted bio-balanced reactor and method

#214
20130264282
2013-10-10

Process, apparatus and membrane bioreactor for wastewater treatment

#215
20130264281
2013-10-10

Apparatus and methods for control of waste treatment processes

#216
20130256223
2013-10-03

Biological wastewater treatment and reuse utilizing sulfur compounds as electron carrier to minimize sludge production

#217
20130256217
2013-10-03

Process and apparatus for controlling aeration during nitrification and denitrification of water

#218
20130240420
2013-09-19

System and process for removing nitrogen compounds and odors from wastewater and wastewater treatment system

#219
20130220932
2013-08-29

METHOD FOR FILTERING WATER IN AN AQUARIUM; FILTRATION UNIT AND REPLACEMENT KIT FOR PERFORMING SAID METHOD

#220
20130193038
2013-08-01

System and process for removing nitrogen compounds and odors from wastewater and wastewater treatment system

#221
20130112617
2013-05-09

Redox wastewater biological nutrient removal treatment method

#222
20130112601
2013-05-09

Denitrification and pH control using bio-electrochemical systems

#223
20130105410
2013-05-02

Wastewater treatment

#224
20130062289
2013-03-14

Treatment of phosphate-containing wastewater

#225
20130056411
2013-03-07

Wastewater treatment method using annularly arranged microorganism carriers

#226
20130048558
2013-02-28

WATER TREATMENT METHOD AND ULTRAPURE WATER PRODUCING METHOD

#227
20130020257
2013-01-24

Mainstream Wastewater Treatment

#228
20130003486
2013-01-03

SYSTEMS AND METHODS FOR AUTOMATED CONTROL OF MIXING AND AERATION IN TREATMENT PROCESSES

#229
20120325741
2012-12-27

Systems and methods for wastewater treatment

#230
20120318734
2012-12-20

Methods for treating waste water

#231
20120309071
2012-12-06

Microbial production of nitrous oxide coupled with chemical reaction of gaseous nitrous oxide including phosphorus recovery and nitrite reduction to nitrous oxide

#232
20120305477
2012-12-06

Solids retention time uncoupling by selective wasting of sludge

#233
20120279920
2012-11-08

SUSPENDED MEDIA MEMBRANE BIOLOGICAL REACTOR SYSTEM AND PROCESS INCLUDING MULTIPLE BIOLOGICAL REACTOR ZONES

#234
20120273414
2012-11-01

Diffusion aeration for water and wastewater treatment

#235
20120241375
2012-09-27

Wastewater treatment

#236
20120217202
2012-08-30

Wastewater treatment method for increasing denitrification rates

#237
20120152837
2012-06-21

BIOLOGICAL TREATMENT METHOD OF ORGANIC-MATTER-CONTAINING WATER

#238
20120152832
2012-06-21

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

#239
20120145611
2012-06-14

Water treatment system for simultaneous nitrification and denitrification

#240
20120132521
2012-05-31

Systems and devices for treating water, wastewater and other biodegradable matter

#241
20120122196
2012-05-17

Methods and products for biomass digestion

#242
20120122187
2012-05-17

METHOD FOR INCREASING THE CONCENTRATION OF COLONIES OF MICRO ORGANISMS IN A PROCESS FOR REMOVING CONTAMINANTS BY ANAEROBIC DIGESTION

#243
20120097608
2012-04-26

SUSPENDED MEDIA MEMBRANE BIOLOGICAL REACTOR SYSTEM AND PROCESS INCLUDING SUSPENSION SYSTEM

#244
20120097606
2012-04-26

METHOD FOR TREATING WASTEWATER CONTAINING AMMONIA NITROGEN

#245
20120091045
2012-04-19

System and process for removing nitrogen compounds and odors from wastewater and wastewater treatment system

#246
20120085704
2012-04-12

Systems and methods for automated control of mixing and aeration in treatment processes

#247
20120085703
2012-04-12

Distributed facultative bacteria water treatment system with membrane biological reactor package plant augmentation

#248
20120067817
2012-03-22

Simultaneous anoxic biological phosphorus and nitrogen removal with energy recovery

#249
20120067816
2012-03-22

Simultaneous anoxic biological phosphorus and nitrogen removal

#250
20120055871
2012-03-08

Electrolysis method, and method and plant for the pretreatment of raw water

#251
20120043277
2012-02-23

Contact-stabilization/prime-float hybrid

#252
20120024780
2012-02-02

Water treatment plant for combined biomass and biogas production

#253
20120021312
2012-01-26

Method for obtaining dinitrogen oxide

#254
20120012525
2012-01-19

Refuse landfill leachate wastewater treatment system and technology

#255
20120012516
2012-01-19

Floating cell and island with a floating macrophyte filter

#256
20120006414
2012-01-12

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

#257
20120000849
2012-01-05

Wastewater treatment

#258
20110284477
2011-11-24

Apparatus and method for processing liquid waste

#259
20110281338
2011-11-17

NITRATE-REMOVING BIOREACTOR, METHOD FOR FORMING NITRATE-REMOVING BIOFILM, AND NITRATE-REMOVING METHOD

#260
20110266202
2011-11-03

Wastewater treatment apparatus with two-stage multimedia biological filtration process

#261
20110259821
2011-10-27

Methods and Systems for Treating Wastewater

#262
20110253625
2011-10-20

Method and device for removing biological nitrogen and support therefor

#263
20110247978
2011-10-13

Suspended media granular activated carbon membrane biological reactor system and process

#264
20110207061
2011-08-25

Microbial production of nitrous oxide coupled with chemical reaction of gaseous nitrous oxide

#265
20110198284
2011-08-18

METHOD FOR THE TREATMENT OF WASTEWATER CONTAINING AMMONIA

#266
20110192776
2011-08-11

Low phosphorus water treatment systems

#267
20110186508
2011-08-04

Method for removing contaminants from water using a membrane biofilm reactor

#268
20110186489
2011-08-04

Gasification grey water treatment systems

#269
20110183159
2011-07-28

Electricity generation using microbial fuel cells

#270
20110168616
2011-07-14

System and process for removing nitrogen compounds and odors from wastewater and wastewater treatment system

#271
20110168611
2011-07-14

Wastewater treatment system and method

#272
20110163022
2011-07-07

Integrated sewage treatment plant

#273
20110120945
2011-05-26

Apparatus and process for wastewater treatment and biological nutrient removal in activated sludge systems

#274
20110100908
2011-05-05

Waste Water Treatment

#275
20110100905
2011-05-05

River water purification apparatus and method using treatment soil layer and permeable filtering medium layer

#276
20110100904
2011-05-05

Method and unit for the purification of wastewater with aerobic granular sludge

#277
20110097701
2011-04-28

HCN removal from syngas using chemical and biological treatment

#278
20110095234
2011-04-28

Method of treating a hot syngas stream for conversion to chemical products by removing ammonia and COS

#279
20110089108
2011-04-21

Aeration and filtration system and process for treating wastewater

#280
20110084022
2011-04-14

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

#281
20110073544
2011-03-31

Denitrification process

#282
20110068058
2011-03-24

APPARATUS AND PROCESS FOR TREATING WASTEWATER

#283
20110068057
2011-03-24

Systems, apparatuses and methods for treating wastewater

#284
20110062080
2011-03-17

Bio-denitrification apparatus and method for making and using same

#285
20110017664
2011-01-27

Suspended media membrane biological reactor system including suspension system and multiple biological reactor zones

#286
20110015913
2011-01-20

Simulation Method, Simulation Apparatus, Biological Treatment Method, and Biological Treatment Apparatus

#287
20110015082
2011-01-20

Systems and Methods for Evaluating Operating Conditions in a Bioreactor Using Gene Expression and Abundance Tracking

#288
20110011800
2011-01-20

Biological nitrogen removal

#289
20110006001
2011-01-13

Method and system for surface water treatment

#290
20100320129
2010-12-23

Waste treatment apparatus

#291
20100314311
2010-12-16

Method for removing the contamination of C,N utilizing heterotrophic ammonia-oxidizing bacteria

#292
20100303695
2010-12-02

Method and plant for the treatment of effluents containing nitrogen in a sequencing batch reactor

#293
20100300963
2010-12-02

Apparatus and method for treating FGD blowdown or similar liquids

#294
20100282673
2010-11-11

Method and apparatus for treating nitrate waste liquid

#295
20100282654
2010-11-11

INTEGRATED WATER PROCESSING TECHNOLOGY

#296
20100276363
2010-11-04

Wastewater treatment process and plant comprising controlling the dissolved oxygen concentration

#297
20100272626
2010-10-28

Microbial production of nitrous oxide coupled with chemical reaction of gaseous nitrous oxide

#298
20100264082
2010-10-21

Suspended media granular activated carbon membrane biological reactor system and process

#299
20100258500
2010-10-14

Apparatus and method for treating radioactive nitrate waste liquid

#300
20100252499
2010-10-07

Denitrification process