ClassID:

86641

C02F2301/046 - CPC Classification

Classification description:

General aspects of water treatment; Flow arrangements Recirculation with an external loop

Recent Application in this class:
#1
20260145970
2026-05-28

WATER TREATMENT DEVICE AND OPERATION METHOD FOR SAME

#2
20260145135
2026-05-28

LIQUID PURIFICATION SYSTEM

#3
20260138902
2026-05-21

WASTEWATER TREATMENT SYSTEMS AND METHODS INVOLVING A BIOLOGICALLY ACTIVE CONDUIT

#4
20260138091
2026-05-21

HYBRID FRESHWATER GENERATION AND AIR CONDITIONING SYSTEM

#5
20260138090
2026-05-21

METHOD FOR CONTROLLING WATER PURIFICATION

#6
20260132040
2026-05-14

LITHIUM PURIFICATION AND CONVERSION

#7
20260125302
2026-05-07

TANK CONFIGURATION WITH ENHANCED DENITRIFICATION

#8
20260125292
2026-05-07

WASTEWATER CONCENTRATION DEVICE AND CONCENTRATION METHOD

#9
20260118768
2026-04-30

LIQUID CIRCULATION UNIT AND SUBSTRATE PROCESSING APPARATUS INCLUDING SAME

#10
20260109627
2026-04-23

WATER TREATMENT APPARATUS

#11
20260109624
2026-04-23

LIQUID CIRCULATING SYSTEM

#12
20260109623
2026-04-23

WATER TREATMENT APPARATUS

#13
20260103414
2026-04-16

SULPHATE REMOVAL USING FLUIDIZED BED REACTOR

#14
20260092000
2026-04-02

Methods and Systems for Treating Phosphogypsum-Containing Water

#15
20260078035
2026-03-19

PROCESS AND SYSTEM FOR SIMULTANEOUS NITRIFICATION AND DENITRIFICATION

#16
20260078032
2026-03-19

A CYCLIC PROCESS FOR THE EFFICIENT GENERATION OF CHLORINE DIOXIDE IN DILUTE SOLUTIONS

#17
20260078029
2026-03-19

TREATMENT OF AQUEOUS COMPOSITION WITH METAL COMPONENT

#18
20260062320
2026-03-05

SYSTEMS AND METHODS FOR ENHANCING OUTPUT OF SELF-MEDIATED SALTLESS WHOLE HOME WATER TREATMENT SYSTEMS

#19
20260054223
2026-02-26

Reverse Osmosis Systems and Methods

#20
20260049018
2026-02-19

METHOD FOR WASTEWATER TREATMENT

#21
20260049016
2026-02-19

ANAEROBIC/AEROBIC SYSTEM WITH AMMONIA REMOVAL STEP AND RECYCLE FOR TREATING WASTEWATER

#22
20260027636
2026-01-29

WATER SUPPLYING DEVICE AND CONTROL METHOD FOR WATER SUPPLYING DEVICE

#23
20260022024
2026-01-22

METHOD AND SYSTEM FOR EXTRACTING LITHIUM SALT WITH IMPROVED WATER BALANCE

#24
20260015276
2026-01-15

APPARATUS AND METHOD FOR TREATING BACKWASH SLUDGE FROM HIGH-RATE FILTRATION PROCESS CAPABLE OF RECOVERING CARBON SOURCE

#25
20260015274
2026-01-15

HYBRID SOLAR STILL AND ANAEROBIC MEMBRANE BIOREACTOR FOR WASTEWATER TREATMENT

#26
20260014522
2026-01-15

TREATMENT METHOD AND TREATMENT APPARATUS FOR WASTE AQUEOUS DEVELOPMENT LIQUID, AND DEVELOPING SYSTEM

#27
20260014500
2026-01-15

MIKVAH SANITATION DEVICES

#28
20260008705
2026-01-08

SYSTEM AND METHOD FOR ADVANCED DEFLUORINATION OF WASTEWATER

#29
20260008015
2026-01-08

Membrane Distillation Assembly

#30
20260001791
2026-01-01

METHOD AND SYSTEM OF REMOVING ENVIRONMENTAL CONTAMINANTS FROM WATER

#31
20250388503
2025-12-25

CLEANING PLANT WITH WATER TREATMENT PLANT AND METHOD FOR WATER TREATMENT

#32
20250388494
2025-12-25

DEVICE AND METHOD FOR THE PRODUCTION OF PERMEATE, IN PARTICULAR FOR DIALYSIS THERAPY

#33
20250387754
2025-12-25

REVERSE OSMOSIS FILTRATION SYSTEM

#34
20250381504
2025-12-18

METHOD FOR FLUSHING OF FILTERS INTENDED FOR A WATER RECIRCULATION SYSTEM AND SUCH A SYSTEM

#35
20250376398
2025-12-11

METHODS AND APPARATUS FOR TREATING CONTAMINANT IN A FLUID

#36
20250368557
2025-12-04

PROCESS AND PLANT FOR TREATMENT OF WASTEWATER STREAM FROM ACRYLIC ACID AND/OR ACRYLATE PRODUCTION PLANT

#37
20250361168
2025-11-27

COMBINATION OF SYNTHESIS SECTION AND BIOGAS PRODUCING UNIT

#38
20250361165
2025-11-27

Flow Through Aerobic Granular Sludge System and Method

#39
20250361161
2025-11-27

WATER SOFTENING DEVICE

#40
20250353761
2025-11-20

Methods and Systems for Ion Separation and Recovery

#41
20250346501
2025-11-13

SYSTEMS, ARTICLES, AND METHODS RELATED TO FOAM FRACTIONATION OF FLUIDS

#42
20250344680
2025-11-13

RECIRCULATING AQUACULTURE SYSTEM AND METHOD

#43
20250340459
2025-11-06

PURIFICATION TREATMENT SYSTEM AND METHOD FOR FLUORINE-CONTAINING WASTEWATER

#44
20250326660
2025-10-23

RECYCLING METHOD OF WASTEWATER FROM WAFER CUTTING, GRINDING, AND POLISHING PROCESSES IN SEMICONDUCTOR MANUFACTURING PROCESS

#45
20250320142
2025-10-16

DATA-DRIVEN RECIRCULATING AQUACULTURE SYSTEM

#46
20250313501
2025-10-09

WASTEWATER TREATMENT METHOD WITH MAXIMIZATION OF BIOGAS PRODUCTION COMPRISING AN ELECTRO-OXIDATION STEP

#47
20250313499
2025-10-09

Removal of micropollutants from water and installation for use therein

#48
20250313498
2025-10-09

SYSTEM AND METHOD FOR SOFTENING HIGH-SALINITY WATER VIA SELF-INDUCED CALCIUM BICARBONATE CRYSTALLIZATION IN FLUIDIZED BED

#49
20250296861
2025-09-25

A SYSTEM AND PROCESS FOR WASTEWATER TREATMENT

#50
20250296011
2025-09-25

ORGANIC SOLVENT COLLECTION APPARATUS, SUBSTRATE PROCESSING APPARATUS, AND ORGANIC SOLVENT COLLECTION METHOD

#51
20250288958
2025-09-18

WATER TREATMENT FACILITY AND METHOD FOR OPERATING WATER TREATMENT FACILITY

#52
20250282651
2025-09-11

SEPARATOR SYSTEM FOR USE IN AGRICULTURAL PROCESSING

#53
20250276924
2025-09-04

CHEMICAL AND BIOLOGICAL DEGRADATION OF ETHER PER- AND POLYFLUOROALKYL SUBSTANCES

#54
20250276288
2025-09-04

MULTIVALENT ION CONCENTRATION USING MULTI-STAGE NANOFILTRATION

#55
20250270126
2025-08-28

Real-Time Control of Feast and Famine Conditions

#56
20250270124
2025-08-28

SYSTEM AND PROCESS FOR TURNING WASTE STREAMS INTO ELECTRICAL POWER

#57
20250270123
2025-08-28

System and Process for Remediating PFAS From Waste Streams

#58
20250270119
2025-08-28

LIQUID TREATMENT DEVICE AND SEPARATION MEMBRANE

#59
20250263319
2025-08-21

APPARATUS AND METHOD FOR BIOLOGICAL TREATMENT OF ORGANIC WASTEWATER

#60
20250256221
2025-08-14

NEUTRALIZATION/WATER SEPARATION TANK FOR ESTERIFIED PRODUCT AND NEUTRALIZATION/WATER SEPARATION METHOD FOR ESTERIFIED PRODUCT

#61
20250243098
2025-07-31

COMPACT SYSTEM AND METHOD FOR TREATING URINE AND OTHER WASTEWATER

#62
20250243097
2025-07-31

INTEGRATION OF WET AIR OXIDATION AND ELECTRO-OXIDATION METHODS FOR THE DESTRUCTION OF PER- AND POLYFLUORINATED ALKYL SUBSTANCES (PFAS)

#63
20250243086
2025-07-31

Method and Apparatus for TOC Monitoring of Purified Water

#64
20250242310
2025-07-31

FLUORINE-CONTAINING WASTEWATER TREATMENT SYSTEM

#65
20250236547
2025-07-24

SYSTEMS AND METHODS OF REMOVING TOXIC SUBSTANCES FROM WATER USING VERMIFILTRATION

#66
20250236540
2025-07-24

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

#67
20250223211
2025-07-10

Water Treatment System and Method

#68
20250223205
2025-07-10

METHOD AND DEVICE FOR MONITORING CHLORINE IN A POOL

#69
20250222406
2025-07-10

METHODS OF PROCESSING BRINE COMPRISING LITHIUM

#70
20250214118
2025-07-03

MOBILE WASHING AND DETAILING SYSTEMS

#71
20250206646
2025-06-26

PROCESS FOR TREATMENT OF MINE CONTACT WATER

#72
20250187960
2025-06-12

Self-Blending Pressurized Modular Nitrate Reduction System

#73
20250186948
2025-06-12

SUSTAINABLE NUTRIENT WATER RECOVERY BY HYBRID ELECTRODIALYSIS - FORWARD OSMOSIS PROCESS

#74
20250186941
2025-06-12

ATMOSPHERIC WATER GENERATOR WITH WATER COOLING SYSTEM

#75
20250185632
2025-06-12

CONTINUOUS IN-SITU THERAPEUTIC TREATMENT SYSTEM FOR FISH IN FRESHWATER, FROM SEAWATER

#76
20250178934
2025-06-05

CASCADING, RECIRCULATING WATER DEIONIZATION SYSTEMS

#77
20250171344
2025-05-29

DECENTRALIZED BIOSOLIDS CONVERSION SYSTEMS AND METHODS

#78
20250154038
2025-05-15

SYSTEMS AND METHODS FOR TREATING WASTEWATER AND PROVIDING CLASS A SLUDGE

#79
20250145509
2025-05-08

Mobile Processing System for Hazardous and Radioactive Isotope Removal

#80
20250145502
2025-05-08

WATER TREATMENT OF SMALL WATER RESERVOIRS WITH LIMITED INFRASTRUCTURE AND NO ADDITION OF CHEMICALS

#81
20250145499
2025-05-08

Low Energy Ejector Desalination System

#82
20250136426
2025-05-01

WATER DISPENSING APPARATUS

#83
20250135404
2025-05-01

DIAFILTRATION-NANOFILTRATION-REVERSE OSMOSIS FOR BRINE MANAGEMENT

#84
20250128209
2025-04-24

WATER PURIFICATION APPARATUS, AND A METHOD FOR CONTROLLING A WATER PURIFICATION APPARATUS

#85
20250128183
2025-04-24

HARMFUL SUBSTANCE REMOVAL SYSTEM AND METHOD

#86
20250122111
2025-04-17

WET AIR OXIDATION OF WASTEWATER SLUDGE SOLIDS

#87
20250122108
2025-04-17

PHOTOCATALYTIC PANEL REACTOR FOR THE ANAEROBIC PHOTOREFORMING OF WASTE AQUEOUS EFFLUENTS AND THE PRODUCTION OF HYDROGEN AS CO-PRODUCT

#88
20250122101
2025-04-17

PROCESS AND SYSTEM FOR WATER TREATMENT IN OFFSHORE OIL PRODUCTION FACILITIES

#89
20250114745
2025-04-10

FLOW DISTRIBUTOR FOR BATCH OR SEMI-BATCH HYPERFILTRATION SYSTEM

#90
20250101544
2025-03-27

LITHIUM RECOVERY FROM BRINE

#91
20250092705
2025-03-20

SPA WATER TREATMENT SYSTEM

#92
20250091925
2025-03-20

PRODUCTION METHOD AND PRODUCTION DEVICE FOR WATER FOR PURE WATER, AND PRODUCTION METHOD AND PRODUCTION SYSTEM FOR PURE WATER

#93
20250081897
2025-03-13

AUTOMATED INDOOR GROWING APPARATUSES AND RELATED METHODS

#94
20250074795
2025-03-06

SYSTEMS AND METHODS FOR RECYCLING WATER

#95
20250065269
2025-02-27

DRAW SOLUTION, WATER TREATMENT METHOD, AND WATER TREATMENT APPARATUS

#96
20250058282
2025-02-20

WATER PURIFICATION APPARATUS AND METHODS FOR CLEANING THE WATER PURIFICATION APPARATUS

#97
20250051205
2025-02-13

BIOGAS PRODUCTION DEVICE INCLUDING CONDUCTIVE SUPPORT-BASED DYNAMIC MODULE AND BIOGAS PRODUCTION METHOD USING SAME DEVICE

#98
20250042796
2025-02-06

Use of Flotation for Separation and Thickening of Ballasted Sludge

#99
20250042795
2025-02-06

METHOD FOR PURIFYING WATER CONTAINING ORGANIC IMPURITIES BY ULTRAFILTRATION

#100
20250042783
2025-02-06

DEVICE AND METHOD FOR WATER TREATMENT

#101
20250042778
2025-02-06

RO PURIFIER WITH PROVISION TO DISPENSE HOT OR COLD WATER

#102
20250042773
2025-02-06

Systems And Methods For Treating Biologically Contaminated Water Streams

#103
20250025587
2025-01-23

FLOW REACTOR SYSTEM AND METHOD FOR DISINFECTING A FLUID

#104
20250019284
2025-01-16

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

#105
20250019280
2025-01-16

Water Treatment Systems Using Ozone-Filled Nanobubbles

#106
20250019262
2025-01-16

Method and Apparatus for TOC Monitoring of Purified Water

#107
20250012028
2025-01-09

BIOCHAR-ENHANCED GRASS BLANKET FOR REMEDIATING CONTAMINATED SEDIMENT AND PREPARATION METHOD THEREOF, AND METHOD FOR REMEDIATING CONTAMINATED SEDIMENT

#108
20250011212
2025-01-09

Dispensing Apparatus For Producing and Dispensing Alkaline Water

#109
20250011207
2025-01-09

Methods of treating water

#110
20250002386
2025-01-02

MEMBRANE BIOREACTOR SYSTEM FOR TREATING WASTEWATER USING OXYGEN

#111
20250002377
2025-01-02

WASTEWATER TREATMENT SYSTEM AND METHOD USING REUSABLE TECHNOLOGIES

#112
20250001469
2025-01-02

CLEAN-IN-PLACE (CIP) SYSTEM AND PROCESS

#113
20240424447
2024-12-26

REVERSE OSMOSIS SYSTEM AND PROCESS FOR CONCENTRATING A SALTWATER

#114
20240417301
2024-12-19

ULTRAPURE WATER SUPPLY APPARATUS, SUBSTRATE PROCESSING SYSTEM INCLUDING THE SAME, AND SUBSTRATE PROCESSING METHOD USING THE SAME

#115
20240417287
2024-12-19

ENHANCED ELECTRO-OXIDATION SYSTEM

#116
20240416285
2024-12-19

COMPACT WATER FILTERING DEVICE

#117
20240400412
2024-12-05

METHOD FOR REMOVING DISSOLVED ORGANIC SUBSTANCES IN LIQUIDS USING A SUPERFINE ADSORBENT, AND MEANS FOR CARRYING OUT THE METHOD

#118
20240400398
2024-12-05

METHOD OF RECYCLING SILICON WASTEWATER AND METHOD OF MANUFACTURING SEMICONDUCTOR BY USING THE SAME

#119
20240391803
2024-11-28

IMPROVED LIQUID TREATMENT

#120
20240384429
2024-11-21

APPARATUS AND PROCESS TO CONTROL PROVIDING PURIFIED WATER FOR HYDROGEN PRODUCTION

#121
20240384428
2024-11-21

APPARATUS AND PROCESS TO CONTROL PROVIDING OF ELECTROLYZER WATER FOR HYDROGEN PRODUCTION

#122
20240383789
2024-11-21

SYSTEMS AND METHODS FOR PRODUCING ULTRAPURE WATER FOR SEMICONDUCTOR FABRICATION PROCESSES

#123
20240375987
2024-11-14

WASTE PROCESSING APPARATUS

#124
20240375982
2024-11-14

Water aeration and treatment method

#125
20240368002
2024-11-07

Water Purification Device

#126
20240367180
2024-11-07

INCREASING FLOTATION RECOVERY AND THROUGHPUT

#127
20240367073
2024-11-07

SYSTEM FOR CLARIFYING PROCESS WATER IN OIL AND GAS OPERATIONS

#128
20240360017
2024-10-31

FULL-PROCESS AUTOMATIC CONTROL SYSTEM AND METHOD BASED ON SLUDGE DUAL-REFLUX AOA PROCESS

#129
20240359138
2024-10-31

Reverse Osmosis Systems and Methods

#130
20240351925
2024-10-24

DEVICE AND METHOD FOR PURIFYING WASTEWATER

#131
20240343625
2024-10-17

Process for Removing Selenium from Wastewater Using Biological Reduction and Surface Complexation

#132
20240343621
2024-10-17

WASTEWATER TREATMENT USING AEROBIC TREATMENT WITH BRUSHITE PRECIPITATION AND RECIRCULATION

#133
20240343614
2024-10-17

DEWATERING TRAILER SYSTEM

#134
20240342657
2024-10-17

WATER TREATMENT SYSTEM AND WATER TREATMENT METHOD

#135
20240336505
2024-10-10

MUNICIPAL SEWAGE NITROGEN REMOVAL TREATMENT DEVICE AND METHOD

#136
20240336499
2024-10-10

URINE AND WASTEWATER TREATMENT SYSTEM

#137
20240327263
2024-10-03

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

#138
20240308895
2024-09-19

Energy efficient decentralized wastewater reuse system incorporating multiple stages of aerobic bioreactors and recirculation for organics and nitrogen reduction

#139
20240308887
2024-09-19

WASTE WATER TREATMENT SYSTEM AND METHOD HAVING A FLOW-THROUGH ELECTROCHEMICAL REACTOR

#140
20240308881
2024-09-19

APPARATUS AND PROCESS FOR REDUCED ENERGY CAVITATION

#141
20240308865
2024-09-19

LITHIUM PURIFICATION AND CONVERSION

#142
20240300830
2024-09-12

METHOD OF PROCESSING HYDRO-MINERAL LITHIUM-CONTAINING FEEDSTOCK

#143
20240294410
2024-09-05

Environmental-friendly Process for the Treatment of Wastewater

#144
20240279085
2024-08-22

PROCESS OF REMOVING ALUMINUM WASTE IN WASTEWATER

#145
20240278181
2024-08-22

WATER PURIFIER

#146
20240270614
2024-08-15

WATER MANAGEMENT SYSTEM

#147
20240270609
2024-08-15

APPARATUS AND PROCESS FOR CONVERTING AMMONIA FROM AN AMMONIA-CONTAINING AQUEOUS SOLUTION TO MOLECULAR NITROGEN

#148
20240270607
2024-08-15

Low energy ejector desalination system

#149
20240262731
2024-08-08

System and method for recovering ammonia from an ammonia-containing liquid

#150
20240262726
2024-08-08

METHOD AND APPARATUS FOR MULTI-DESELECTION IN WASTEWATER TREATMENT

#151
20240260551
2024-08-08

Over Flow Box Filter

#152
20240246846
2024-07-25

TREATING WASTEWATER FOR REUSE

#153
20240246840
2024-07-25

SYSTEM FOR TREATING WASTEWATER FROM ELECTRONICS AND SEMICONDUCTOR FABRICATION FACILITIES

#154
20240228352
2024-07-11

NANOFILTRATION PRETREATMENT OF SEAWATER FOR ELECTRODIALYSIS DESALINATION

#155
20240228344
2024-07-11

Water retention and aeration treatment method for contaminated water

#156
20240224957
2024-07-11

Recirculation aquaculture system and method

#157
20240217854
2024-07-04

Apparatus And Method For Reducing Total Organic Carbon In A Fluid

#158
20240217851
2024-07-04

AUTONOMOUS VESSEL FOR TREATING ALGAE BLOOMS IN RESERVOIRS, COASTAL WATERWAYS, LAKES AND RIVERS

#159
20240216966
2024-07-04

GROUNDWATER CIRCULATION WELL GROUP AND CIRCULATING MODE CONTROL METHOD THEREFOR

#160
20240208844
2024-06-27

METHOD AND SYSTEM FOR WASTEWATER TREATMENT WITH IN-SITU CLEANING OF ELECTRODES

#161
20240199442
2024-06-20

INSTALLATION FOR TREATING WASTEWATER FROM A TOILET AND SANITARY UNIT COMPRISING SUCH AN INSTALLATION

#162
20240198288
2024-06-20

SUSTAINABLE DESALINATION SYSTEMS AND METHODS USING RECYCLED BRINE STREAMS

#163
20240190745
2024-06-13

METHOD FOR THE TREATMENT OF BLACK WATER

#164
20240190742
2024-06-13

METHODS AND SYSTEMS FOR TREATING FLUID USING A BIOCHEMICAL PROCESS UNDER VACUUM PRESSURE

#165
20240190738
2024-06-13

METHOD AND SYSTEM FOR CONTINUOUS-FLOW AEROBIC GRANULAR SLUDGE PROCESS WITH IMPROVED TWO-STAGE SEDIMENTATION

#166
20240189777
2024-06-13

WATER PURIFICATION APPARATUS AND METHODS FOR CLEANING THE WATER PURIFICATION APPARATUS

#167
20240181392
2024-06-06

IMPROVED REVERSE OSMOSIS OR NANOFILTRATION PROCESS FOR CLEANING WATER

#168
20240166544
2024-05-23

REDUCED-HEADSPACE DIGESTER

#169
20240166543
2024-05-23

METHODS OF SEAWATER SOFTENING FOR DESALINATION AND MINERAL EXTRACTION

#170
20240165562
2024-05-23

REVERSE OSMOSIS OR NANOFILTRATION PROCESS FOR CLEANING WATER

#171
20240158271
2024-05-16

SEPTIC SYSTEM WITH IMPROVED PROCESSING EFFICIENCY, AND METHOD OF OPERATION

#172
20240132387
2024-04-25

METHODS AND SYSTEMS FOR TREATING FLUID USING A BIOCHEMICAL PROCESS UNDER VACUUM PRESSURE

#173
20240124339
2024-04-18

DEVICE AND METHOD FOR COOPERATIVELY TREATING AQUACULTURE TAIL WATER

#174
20240124334
2024-04-18

AN ELECTROCHEMICAL REACTOR SYSTEM WITH MEANS FOR THE MAINTENANCE AND CLEANING THEREOF

#175
20240101456
2024-03-28

SYSTEMS AND METHODS FOR BIOLOGICAL TRANSFORMATION, CONCENTRATION, AND RECOVERY OF SELENIUM FROM WASTEWATER

#176
20240092667
2024-03-21

MULTI-STEP METHOD FOR TREATING AQUEOUS EFFLUENTS

#177
20240092666
2024-03-21

METHOD AND SYSTEM FOR WASTEWATER TREATMENT BY MEMBRANE FILTRATION AND ELECTROCHEMICAL OXIDATION

#178
20240092664
2024-03-21

STRAIGHT-LINE SEWAGE TREATMENT SYSTEM FOR ENHANCED TREATMENT OF LOW C/N DOMESTIC SEWAGE

#179
20240075428
2024-03-07

Reverse osmosis or nanofiltration process for cleaning water

#180
20240042388
2024-02-08

LIQUID PURIFICATION SYSTEM

#181
20240042386
2024-02-08

LIQUID PURIFICATION SYSTEM

#182
20240034658
2024-02-01

Method and apparatus for reusing wastewater

#183
20240025782
2024-01-25

Anaerobic digestion device for organic solid waste based on uncoupling of hydraulic retention time (HRT) from sludge retention time (SRT)

#184
20240018026
2024-01-18

Tank Configuration with Enhanced Denitrification

#185
20240009629
2024-01-11

Water purification apparatus and methods for cleaning the water purification apparatus

#186
20240002254
2024-01-04

Methods, apparatus, and systems for detecting and removing microplastics from water

#187
20230406730
2023-12-21

DESALINATION SYSTEM AND METHOD

#188
20230406728
2023-12-21

METHOD AND APPARATUS FOR PROLONGING CONTINUOUS OPERATION PERIOD OF METHANOL-TO-OLEFINS WATER WASHING PROCESS

#189
20230405525
2023-12-21

SYSTEMS AND METHODS FOR COMPACT, DECENTRALIZED DESALINATION OF FEEDWATER FOR POINT-OF-USE APPLICATIONS

#190
20230399244
2023-12-14

MULTI-VALENT ION CONCENTRATION USING MULTI-STAGE NANOFILTRATION

#191
20230393029
2023-12-07

APPARATUS AND METHOD FOR CONTINUOUS MONITORING AND DETECTION OF MICROPLASTICS IN WATER

#192
20230391647
2023-12-07

Method for eliminating legionellae from water of a cooling circuit, which is loaded with organic substances and inorganic particles

#193
20230373827
2023-11-23

Septic water treatment method for removing carbonaceous and nitrogenous compounds

#194
20230372877
2023-11-23

OPERATION OF IMMERSED MEMBRANE USING CROSS FLOW

#195
20230357056
2023-11-09

Method and system for treating ultrapure water

#196
20230348306
2023-11-02

PROCESS FOR THE SUPERCRITICAL OXIDATION OF SEWAGE SLUDGE AND OTHER WASTE STREAMS

#197
20230339794
2023-10-26

REMOVAL OF HARDNESS USING TEMPLATE ASSISTED CRYSTALLIZATION FOR ELECTRODIALYSIS DESALINATION OF SALINE WATER

#198
20230339788
2023-10-26

Passive, Tunable Biocide Delivery System

#199
20230331635
2023-10-19

METHOD AND SLURRY TREATMENT PLANT FOR REDUCING METHANE EMISSION FROM SLURRY

#200
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2023-10-19

WAFER PRODUCTION SYSTEM AND WAFER MANUFACTURING METHOD

#201
20230331609
2023-10-19

System and method for realizing partial anammox advanced nitrogen and phosphorus removal through mainstream and sidestream biofilm cyclic alternating for municipal wastewater treatment plant

#202
20230322599
2023-10-12

METHOD FOR CONTINUOUS CLEANING OF PROCESS WATER IN WASTE PAPER TREATMENT WITH CONTROL OF THE CONTENT OF INORGANIC SOLIDS

#203
20230312376
2023-10-05

HYDROGEN PEROXIDE PRODUCTION DEVICE AND USE THEREOF

#204
20230302502
2023-09-28

Ultrapure water supply apparatus, substrate processing system including the same, and substrate processing method using the same

#205
20230295027
2023-09-21

Systems and methods for producing ultrapure water for semiconductor fabrication processes

#206
20230286832
2023-09-14

Utilizing concentrated solar power for water-oil separation

#207
20230286829
2023-09-14

Methods, apparatus, and systems for detecting and removing microplastics from water

#208
20230277955
2023-09-07

Harmful substance removal system and method

#209
20230265000
2023-08-24

SELECTIVE REMOVAL OF MICRO-CONTAMINANTS FROM SLUDGE

#210
20230257286
2023-08-17

HEAT PUMP SYSTEM WITH ELECTROLYTIC BIOCIDE-GENERATING UNIT

#211
20230247971
2023-08-10

Transfer assembly and system for aquaculture

#212
20230242845
2023-08-03

Indoor food waste fermentation and recycling process

#213
20230242431
2023-08-03

Energy efficient decentralized wastewater reuse system incorporating multiple stages of aerobic bioreactors and recirculation for organics and nitrogen reduction

#214
20230242430
2023-08-03

Integrated device and method for treating toxic and refractory wastewater

#215
20230234873
2023-07-27

METHOD AND SLURRY TREATMENT PLANT FOR REDUCING METHANE EMISSION FROM SLURRY PRODUCED IN A LIVESTOCK FARM

#216
20230202872
2023-06-29

METHOD AND APPARATUS FOR TREATING WASTEWATER USING NON-CHEMICAL PROCESS

#217
20230201895
2023-06-29

ORGANIC WASTE DIGESTION AND DECOMPOSITION SYSTEMS AND METHODS THEREOF

#218
20230194194
2023-06-22

Ecological system for cooling towers algae control

#219
20230192524
2023-06-22

SCWO SYSTEM FOR TREATMENT OF HIGH-STRENGTH WASTES

#220
20230192520
2023-06-22

MULTISTAGE BIOFILTER FOR REMOVAL OF MICROPLASTIC PARTICULATES AND BIOCHEMICAL WASTE FROM AQUACULTURE WATER

#221
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2023-06-15

WATER SOFTENING DEVICE

#222
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2023-06-01

System for removing polymer pellets and other contaminants from water reservoirs

#223
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2023-06-01

DATA-DRIVEN RECIRCULATING AQUACULTURE SYSTEM

#224
20230150854
2023-05-18

METHOD AND APPARATUS FOR ANAEROBIC DIGESTION OF LIQUID WASTE STREAMS

#225
20230150851
2023-05-18

Water purification apparatus and method

#226
20230150840
2023-05-18

SEPARATOR SYSTEM FOR USE IN AGRICULTURAL PROCESSING

#227
20230128898
2023-04-27

Mobile cleaning and water treatment system

#228
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2023-04-20

Treatment system and method for drinking water

#229
20230114282
2023-04-13

SLUDGE DRYING SYSTEM

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2023-04-13

SYSTEMS AND METHODS FOR WATER PRODUCTION, TREATMENT, ADJUSTMENT AND STORAGE

#231
20230110229
2023-04-13

Systems for humidification dehumidification that use waste heat extracted from abandoned wells

#232
20230086861
2023-03-23

Lithium purification and conversion

#233
20230079755
2023-03-16

Method for optimization of filtration in an aquaculture system

#234
20230078272
2023-03-16

Baffled integrated denitrifying and decarbonizing device with anaerobic bio-nests and baffled integrated denitrifying and decarbonizing process with anaerobic bio-nests

#235
20230072206
2023-03-09

GRANULAR SLUDGE REACTOR SYSTEM COMPRISING AN EXTERNAL SEPARATOR

#236
20230067116
2023-03-02

CASCADING, RECIRCULATING WATER DEIONIZATION SYSTEMS

#237
20230063865
2023-03-02

DEIONIZATION SYSTEM WITH HEAT MANAGEMENT

#238
20230054712
2023-02-23

Electrodialysis systems with decreased concentration gradients at high recovery rates

#239
20230041834
2023-02-09

METHOD FOR PRODUCING MINERAL WOOL COMPOSITES

#240
20230032850
2023-02-02

Apparatus and methods for enhancing molecular oscillation for removing chlorine in water

#241
20230024100
2023-01-26

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

#242
20230012214
2023-01-12

Multipass water filter

#243
20230009795
2023-01-12

METHOD AND SYSTEM OF REMOVING ENVIRONMENTAL CONTAMINANTS FROM WATER

#244
20230002256
2023-01-05

APPARATUS AND METHODS FOR REDUCING OR CONTROLLING SALT CONCENTRATIONS IN WATER

#245
20230002255
2023-01-05

SYSTEMS AND APPARATUS FOR PRODUCING ELECTROLYZED ALKALINE AND OXIDIZING WATER

#246
20230002254
2023-01-05

SYSTEMS AND METHODS FOR PROVIDING ELECTROLYZED WATER

#247
20220411300
2022-12-29

Bioreactor system and method for nitrification and denitrification

#248
20220410027
2022-12-29

Treatment apparatus for waste cleaning liquid and treatment method for waste cleaning liquid

#249
20220402790
2022-12-22

METHOD FOR TREATING WASTEWATER

#250
20220402784
2022-12-22

Water management system

#251
20220379263
2022-12-01

A WATER PURIFICATION APPARATUS, AND A METHOD FOR COOLING A RO-MEMBRANE IN A WATER PURIFICATION APPARATUS

#252
20220363578
2022-11-17

Grey water treatment and recycling system, grey water treatment and recycling process, system control method

#253
20220363577
2022-11-17

METHOD AND APPARATUS FOR TREATMENT OF WASTEWATER CONTAINING AZIDE IONS

#254
20220356084
2022-11-10

Recirculation loop reverse osmosis system with structurally fixed recovery rate and structurally stabilized full flow discharge

#255
20220356079
2022-11-10

SYSTEMS AND PROCESSES FOR INJECTING GAS-INFUSED ADDITIVES

#256
20220348487
2022-11-03

Methods and systems for zero liquid discharge recycling of waste generated from manufacturing operations

#257
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2022-11-03

WATER TREATMENT DEVICE AND SYSTEM USING HYDROXYL RADICALS AND METHOD OF USING SAME

#258
20220324735
2022-10-13

UV lamp and anti-scale water treatment water heater apparatus with sanitation loop

#259
20220324725
2022-10-13

Cascade water recycling intelligent system for shale gas exploitation

#260
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2022-10-06

Cross current staged reverse osmosis

#261
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2022-10-06

Recirculating aquaculture system using biofloc fermenter and aquaponics

#262
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2022-09-29

Treatment of tailings with lime at elevated PH levels

#263
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2022-09-29

Method for treating production wastewater from the preparation of propylene oxide by co-oxidation

#264
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2022-09-29

Methods, apparatus, and systems for detecting and removing microplastics from water

#265
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2022-09-29

METHOD FOR CONTROLLING WATER PURIFICATION, AND A WATER PURIFICATION APPARATUS

#266
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2022-09-22

Method for water treatment and recycling

#267
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2022-09-15

Mobile processing system for hazardous and radioactive isotope removal

#268
20220289603
2022-09-15

Method and apparatus for multi-deselection in wastewater treatment

#269
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2022-09-15

Humidification dehumidification processes using waste heat extracted from abandoned wells

#270
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2022-09-15

System and methods for heat treatment of ballast fluid

#271
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2022-09-08

COMPOSITIONS AND METHOD FOR WASTEWATER TREATMENT

#272
20220281764
2022-09-08

System and method for treating evaporator blowdown

#273
20220281762
2022-09-08

Rapid reduction of aqueous selenate with chromous ions

#274
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2022-09-01

PHYTO-MEDIATED WASTEWATER TREATMENT BIOREACTOR (PWBR)

#275
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2022-09-01

WATER TREATMENT SYSTEM AND WATER TREATMENT METHOD

#276
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2022-08-18

Methods and Systems for Treating Phosphogypsum-Containing Water

#277
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2022-08-11

Water Treatment System and Method of Use Thereof

#278
20220250958
2022-08-11

Preparation method for recycling inorganic salt in printing and dyeing wastewater

#279
20220250941
2022-08-11

Desalination device using solvent extraction method, and desalination method using same

#280
20220250940
2022-08-11

Systems and methods for treating biologically contaminated water streams

#281
20220242767
2022-08-04

Water conditioning for bacterial control

#282
20220241728
2022-08-04

Water purification apparatus, and a method for controlling a water purification apparatus

#283
20220234933
2022-07-28

SCREW-TYPE SEPARATION DEVICE, CASING, WASTEWATER TREATMENT SYSTEM, AND CLEANING METHOD OF SCREW-TYPE SEPARATION DEVICE

#284
20220234922
2022-07-28

Systems and methods for treating wastewater and providing class A sludge

#285
20220234916
2022-07-28

WATER TREATMENT

#286
20220227649
2022-07-21

ELECTROHYDROMODULATING PROCESS FOR RECOVERING NUTRIENTS, MINERALIZING ORGANICS, AND INACTIVATING PATHOGENS IN WASTEWATER

#287
20220225643
2022-07-21

Method for operating a pasteurization apparatus

#288
20220220007
2022-07-14

System and method for removal of recalcitrant organic compounds from water

#289
20220212973
2022-07-07

Dissolved air flotation system and methods for biological nutrient removal

#290
20220212971
2022-07-07

Wash water processing apparatus and sterilization and water-purification apparatus, and wash water processing method

#291
20220212969
2022-07-07

Method and device for anaerobic digestion

#292
20220204377
2022-06-30

METHOD FOR RECOVERING WATER AND CHEMICALS FROM PLANTS FOR TREATING EFFLUENTS FROM PULP AND PAPER FACTORIES

#293
20220194832
2022-06-23

Flow Through Aerobic Granular Sludge System and Method

#294
20220194823
2022-06-23

SYSTEMS AND METHODS FOR MEMBRANE-FREE ELECTROLYSIS

#295
20220194816
2022-06-23

APPARATUS AND METHOD FOR PROVIDING PURIFIED WATER

#296
20220193574
2022-06-23

NEUTRALIZATION/WATER SEPARATION TANK FOR ESTERIFIED PRODUCT AND NEUTRALIZATION/WATER SEPARATION METHOD FOR ESTERIFIED PRODUCT

#297
20220186472
2022-06-16

Compact water heating and treatment system

#298
20220178629
2022-06-09

SYSTEM AND METHOD OF EVAPORATIVE COOLING WATER MANAGEMENT

#299
20220177342
2022-06-09

System for biological nitrogen removal and negative carbon discharge from wastewater with low carbon-to-nitrogen ratio

#300
20220177340
2022-06-09

Pure-water production device and pure-water production method