ClassID:

86461

C02F2101/101 - CPC Classification

Classification description:

Nature of the contaminant; Inorganic compounds Sulfur compounds

Recent Application in this class:
#1
20260132066
2026-05-14

SEMICONDUCTOR PROCESS WASTEWATER TREATMENT SYSTEM TO WHICH ADVANCED OXIDATION PROCESS AND ANAEROBIC BIOLOGICAL PROCESS ARE APPLIED AND SEMICONDUCTOR PROCESS WASTEWATER TREATMENT METHOD USING THE SAME

#2
20260116784
2026-04-30

COMPOSITIONS AND METHOD FOR WASTEWATER TREATMENT

#3
20260115648
2026-04-30

Non-Triazine Based Scavengers

#4
20260103414
2026-04-16

SULPHATE REMOVAL USING FLUIDIZED BED REACTOR

#5
20260103401
2026-04-16

AUTONOMOUS CHEMICAL DOSING SYSTEM AND METHODS OF USE THEREOF

#6
20260091998
2026-04-02

H2S SEQUESTERING COMPOSITION

#7
20260084986
2026-03-26

SYSTEM AND METHOD OF UTILIZING HYDRODYNAMIC CAVITATION AND BIOLOGICAL AGENTS TO TREAT WASTEWATER

#8
20260084079
2026-03-26

APPARATUS AND METHOD FOR FLUID TREATMENT OF A FEED COMPRISING A FLUID MIXTURE

#9
20260078038
2026-03-19

SYSTEM AND METHOD FOR WASTEWATER TREATMENT

#10
20260070826
2026-03-12

MINERAL RECOVERY AND CHEMICAL PRODUCTION FROM PRODUCED WATER IN A GAS OIL SEPARATION PLANT

#11
20260049018
2026-02-19

METHOD FOR WASTEWATER TREATMENT

#12
20260042691
2026-02-12

SEAWATER DESALINATION METHOD AND SEAWATER DESALINATION SYSTEM PERFORMING THE SAME

#13
20260042058
2026-02-12

METHOD AND SYSTEM FOR TREATING SULFUR DIOXIDE CONTAINING STREAM BY CATALYTIC OXIDATION AND ACID AQUEOUS ABSORPTION

#14
20260028255
2026-01-29

APPARATUS FOR TREATING WASTEWATER AND METHOD OF TREATING WASTEWATER

#15
20260028253
2026-01-29

DESALINATION OF HIGH SALINITY PRODUCED WATER USING A ULTRA HIGH PRESSURE REVERSE OSMOSIS MEMBRANE

#16
20260028250
2026-01-29

METHOD AND APPARATUS FOR DISPOSING HYDROGEN SULFIDE

#17
20260008708
2026-01-08

TREATING PRODUCED WATER FOR BENEFICIAL REUSE

#18
20260001037
2026-01-01

Membrane Concentration of Dissolved Species

#19
20250382205
2025-12-18

COMPOSITIONS AND METHODS FOR TREATING WASTEWATER

#20
20250382192
2025-12-18

METHOD FOR TREATING SALT-CONTAINING DUSTS

#21
20250376388
2025-12-11

CONCENTRATOR AND CRYSTALLIZER EVAPORATION SYSTEM

#22
20250367605
2025-12-04

SALINE WATER TREATMENT PRE-TREATMENT OR TREATMENT SYSTEM

#23
20250353766
2025-11-20

TWO-PHASE SULFATE REDUCTION DEVICE AND TREATMENT METHOD FOR PREVENTING SLUDGE CALCIFICATION

#24
20250346515
2025-11-13

Non-Biological Wastewater Treatment Systems and Methods for Treating Wastewater

#25
20250346510
2025-11-13

DEVICES, METHODS, AND COMPOSITIONS FOR TREATING GREASE TRAPS

#26
20250340467
2025-11-06

Sodium Nitrite Oxidation of Hydrogen Sulfide

#27
20250270706
2025-08-28

CORROSION INHIBITOR COMPOSITIONS AND METHODS OF USING THE COMPOSITIONS TO INHIBIT CORROSION

#28
20250263616
2025-08-21

SYSTEMS AND METHODS FOR MANAGING FILTRATION MEDIA BEDS IN GAS AND LIQUID FILTRATION APPARATUS

#29
20250263602
2025-08-21

REDUCING SLURRY EMULSION AND FOAMING IN OXIDATION-REDUCTION SULFUR REMOVAL PROCESSES

#30
20250263317
2025-08-21

Black Water Holding Tank Treatment and Method

#31
20250243088
2025-07-31

METHOD AND APPARATUS FOR WATER CLARIFICATION AND GREENING

#32
20250236520
2025-07-24

Coupling Claus Process with Carbon Dioxide Capture Using Gas Hydrate

#33
20250230069
2025-07-17

SYSTEM AND METHODS OF REMOVING IONS FROM DRAINAGE WATER

#34
20250229252
2025-07-17

PRODUCT THAT ABSORBS HYDROGEN SULPHIDE

#35
20250206646
2025-06-26

PROCESS FOR TREATMENT OF MINE CONTACT WATER

#36
20250197265
2025-06-19

Low-carbon near zero emission process of industrial waste water

#37
20250197263
2025-06-19

A method for purifying sulphate containing wastewater and recovering sulphur and hydrogen

#38
20250171337
2025-05-29

PROCESS FOR DEOILING WATER AND EFFLUENT, USES OF AN ELECTROMAGNETIC TREATMENT SUBPROCESS AND/OR A MICROBUBBLE GENERATION SUBPROCESS FOR OZONE DISSOLUTION, AND METHODS RELATIVE TO SAID USES

#39
20250154037
2025-05-15

INTEGRATED SYNCHRONOUS NITROGEN AND SULFUR REMOVAL DEVICE AND WASTEWATER TREATMENT METHOD

#40
20250154005
2025-05-15

A PROCESS FOR CONVERSION OF AQUEOUS HYDROGEN SULFIDE TO SULFURIC ACID

#41
20250136490
2025-05-01

SYSTEM AND METHOD FOR TREATMENT OF BIOMASS CONTAINING WASTEWATER FOR RENEWABLE ENERGY

#42
20250128971
2025-04-24

METHODS OF RECOVERING BARIUM FROM PRODUCED WATER TO REMOVE SULFATES IN SEAWATER FOR OILFIELD APPLICATIONS

#43
20250128966
2025-04-24

MATERIALS FOR TREATING ACIDIC MINE WASTEWATER AND PREPARATION METHOD AND USE THEREOF

#44
20250115497
2025-04-10

SULFATE REMOVAL FROM WATER

#45
20250115493
2025-04-10

METHODS AND CONTROLLER FOR DETERMINING HYDROGEN SULFIDE TREATMENT DOSAGE

#46
20250092327
2025-03-20

Systems and methods for managing filtration media beds in gas and liquid filtration apparatus

#47
20250074803
2025-03-06

SYSTEM AND METHOD OF HIGH EFFICACY TWO-STAGE METAL TREATMENT INCORPORATING BASIC OXYGEN FURNACE SLAG AND MICROBIAL SULFATE REDUCTION

#48
20250066222
2025-02-27

Method and System for Removing Hydrogen Sulfide From Sour Oil and Sour Water

#49
20250059077
2025-02-20

PFAS REMOVAL AND DESTRUCTION USING BIOREACTORS FOLLOWED BY SUPERCRITICAL WATER OXIDATION

#50
20250051189
2025-02-13

REGENERABLE SMART MATERIALS FOR SELECTIVE REMOVAL OF POLLUTANTS FROM WATER AND WASTE WATER

#51
20250042786
2025-02-06

BUOYANT PERMEABLE REACTIVE BARRIER

#52
20250033003
2025-01-30

Pressurized Liquid Stream With Dissolved Gas

#53
20250019278
2025-01-16

Acid Rain Diffusion Based on Vulnerable Zone Classifications

#54
20250002378
2025-01-02

REGENERATABLE SYSTEM FOR CONTAMINANT REMOVAL

#55
20240416287
2024-12-19

TRIAMINE-FUNCTIONALIZED MCM-41-BASED FILTRATION MEMBRANE

#56
20240409445
2024-12-12

METHODS OF TREATING WATER TO REMOVE CONTAMINANTS AND WATER TREATMENT PLANTS FOR THE PRACTICE THEREOF

#57
20240400924
2024-12-05

OXIDIZING COMPOSITIONS FOR REMOVING SULFUR COMPOUNDS FROM HYDROCARBON FUELS AND WASTEWATER

#58
20240400923
2024-12-05

ACTIVATED OXIDIZING COMPOSITIONS FOR REMOVING SULFUR COMPOUNDS FROM HYDROCARBON FUELS AND WASTEWATER

#59
20240400426
2024-12-05

OXIDIZING COMPOSITIONS FOR REMOVING SULFUR COMPOUNDS FROM HYDROCARBON FUELS AND WASTEWATER

#60
20240399305
2024-12-05

OXIDIZING COMPOSITIONS FOR REMOVING SULFUR COMPOUNDS FROM HYDROCARBON FUELS AND WASTEWATER

#61
20240399301
2024-12-05

OXIDIZING COMPOSITIONS FOR REMOVING SULFUR COMPOUNDS FROM HYDROCARBON FUELS AND WASTEWATER

#62
20240391809
2024-11-28

SCALABLE FLOATING MICRO-AERATION UNIT, DEVICES AND METHODS

#63
20240391797
2024-11-28

HYDROTHERMAL SYSTEM FOR TREATMENT OF ADSORBENT REGENERATION BYPRODUCTS

#64
20240384183
2024-11-21

USE OF TRANSITION METAL DOPED NANOPARTICLES AND SILICA NANOPARTICLES FOR H2S REMOVAL

#65
20240383781
2024-11-21

DISPOSAL OF EFFLUENT WATER FROM AN OFFSHORE OIL AND GAS INSTALLATION

#66
20240375980
2024-11-14

METHODS AND SYSTEMS FOR TREATING WASTE BY MIXING HIGH AND LOW PH WASTE STREAMS

#67
20240368014
2024-11-07

BIOREACTOR FOR HOME SEPTIC UNIT

#68
20240368013
2024-11-07

Bioreactor for Home Septic Unit

#69
20240360053
2024-10-31

Steam Cracking Processes Having an Elevated Coil Outlet Pressure

#70
20240359137
2024-10-31

PROCESS OF BRINE CONCENTRATION AND METHOD FOR TREATMENT OF THE SAME

#71
20240343610
2024-10-17

GAS DEHYDRATION WATER MANAGEMENT SYSTEM AND PROCESS

#72
20240327258
2024-10-03

PRODUCTION OF BARIUM SULFATE FROM SEAWATER

#73
20240308888
2024-09-19

ELECTRODIALYSIS PROCESSES USING AN ORGANIC SOLVENT FOR SEPARATING DISSOLVED SPECIES

#74
20240300828
2024-09-12

TREATING PRODUCED WATER FOR BENEFICIAL REUSE

#75
20240299716
2024-09-12

SHOWER THERAPY AND FILTER DEVICE

#76
20240294410
2024-09-05

Environmental-friendly Process for the Treatment of Wastewater

#77
20240269660
2024-08-15

OXIDATIVE AND ADSORPTIVE CATALYTIC MEDIA

#78
20240262723
2024-08-08

Controlled Removal of Ions from Aqueous Fluid

#79
20240252998
2024-08-01

GENERATION OF NANO-BUBBLES IN A LIQUID CARRIER

#80
20240238727
2024-07-18

SYSTEMS AND METHODS FOR REDUCING MAGNESIUM, CALCIUM, AND/OR SULFATE FROM SODIUM CHLORIDE BRINE DURING CONCENTRATION BY HIGH-PRESSURE NANLFILTRATION

#81
20240224999
2024-07-11

METABOLIC INHIBITORS FOR CONTROLLING BIOFILM

#82
20240208848
2024-06-27

REMOVAL MATERIAL DESTRUCTION BY SUPERCRITICAL WATER OXIDATION FOR PFAS REMOVAL

#83
20240207785
2024-06-27

PROCESS TO CONTINUOUSLY TREAT A HYDROGEN SULPHIDE COMPRISING GAS

#84
20240199464
2024-06-20

Method and Apparatus for Eliminating Biofilm-Forming Bacteria in Water

#85
20240199463
2024-06-20

Water Treatment System with Improved Efficiency

#86
20240199457
2024-06-20

OXIDATION OF SULPHUR SPECIES

#87
20240190731
2024-06-13

Method of Refining and Recovering Barium Sulfate from Contaminated Water Sources

#88
20240190723
2024-06-13

HYDROCARBON AND SULFIDE REMOVAL IN DIRECT AQUEOUS EXTRACTION

#89
20240182339
2024-06-06

Biodegrading Recalcitrant To Biodegradation Organic Substances

#90
20240182334
2024-06-06

Fluid remanufacturing

#91
20240182332
2024-06-06

METHODS FOR DECREASING CALCIUM SULFATE PRECIPITATION IN PRODUCED WATER

#92
20240166543
2024-05-23

METHODS OF SEAWATER SOFTENING FOR DESALINATION AND MINERAL EXTRACTION

#93
20240158265
2024-05-16

USE OF AMINE MODIFIED NANOPARTICLES FOR H2S SCAVENGING

#94
20240140839
2024-05-02

COMPOSITIONS AND METHODS FOR TREATING WASTEWATER

#95
20240116782
2024-04-11

SURFACE WATER SULFIDE REDUCTION

#96
20240092647
2024-03-21

PROCESSING OF LITHIUM CONTAINING BRINES

#97
20240067544
2024-02-29

AUTOMATED PROCESS FOR TREATMENT OF REFINERY WASTEWATER

#98
20240067543
2024-02-29

Process for decontamination of hazardous sulfur compounds in sour water tanks

#99
20240067537
2024-02-29

INTEGRATED HEAT EXCHANGER AND SOUR WATER STRIPPER

#100
20240025767
2024-01-25

HYDROCARBON AND SULFIDE REMOVAL IN DIRECT AQUEOUS EXTRACTION

#101
20240010523
2024-01-11

Method and system for removing hydrogen sulfide from sour oil and sour water

#102
20230406744
2023-12-21

METHOD FOR SIMULTANEOUSLY TREATING HIGH CONCENTRATION OF SULFIDE AND ORGANIC COMPOSITION CONTAINED IN WASTE LIQUID

#103
20230406731
2023-12-21

METHOD AND APPARATUS FOR ELECTRO-CHEMICAL TREATMENT OF CONTAMINATED WATER

#104
20230365873
2023-11-16

NITROGEN-FREE HYDROGEN SULPHIDE AND MERCAPTANS SCAVENGERS

#105
20230348297
2023-11-02

CONCENTRATOR AND CRYSTALLIZER EVAPORATION SYSTEM

#106
20230331599
2023-10-19

METHOD OF SULFATE REMOVAL FROM SEAWATER USING HIGH SALINITY PRODUCED WATER

#107
20230331598
2023-10-19

REMOVAL OF SULFATE FROM SEAWATER

#108
20230295011
2023-09-21

Injection of Off-Gas from Sour Water Stripper

#109
20230264996
2023-08-24

RESOURCE-ORIENTED UTILIZATION METHOD FOR HIGH-SALT SALT MUD CONTAINING SODIUM CHLORIDE AND SODIUM SULFATE

#110
20230242807
2023-08-03

Methods for removing sulfate ions from seawater to form injection fluids

#111
20230227337
2023-07-20

Method to treat nano-filtration membrane retentate for reuse in fracturing and drilling applications

#112
20230212930
2023-07-06

OILFIELD WATER STORAGE SYSTEMS, METHODS OF MANAGING THE SAME, AND FILM-FORMING COMPOSITIONS

#113
20230212026
2023-07-06

METHODS FOR PRODUCING AND USING ALKALINE AQUEOUS FERRIC IRON CARBONATE SOLUTIONS

#114
20230202945
2023-06-29

Gasification and Fischer-Tropsch process waste water treatment

#115
20230193116
2023-06-22

Water mixture for fracturing application

#116
20230192522
2023-06-22

REMOVING WATER-SOLUBLE HEAVY METAL-SULFUR COMPLEX FROM PROCESS SOLUTION

#117
20230159359
2023-05-25

SYSTEM AND METHOD FOR TREATING SPENT CAUSTIC EFFLUENT USING CHLORINE DIOXIDE SOLUTION

#118
20230150836
2023-05-18

AUTONOMOUS CHEMICAL DOSING SYSTEM AND METHODS OF USE THEREOF

#119
20230145973
2023-05-11

METHODS OF TREATING WATER TO REMOVE CONTAMINANTS AND WATER TREATMENT PLANTS FOR THE PRACTICE THEREOF

#120
20230143928
2023-05-11

WATER MANAGEMENT SYSTEM FOR ORE MINING OPERATION

#121
20230135497
2023-05-04

METHOD FOR REFINERY WASTEWATER TREATMENT, A SYSTEM AND USES THEREOF

#122
20230113697
2023-04-13

Biodegrading recalcitrant to biodegradation organic substances

#123
20230113644
2023-04-13

Fluid remanufacturing

#124
20230113433
2023-04-13

HYDROGEN SULFIDE ADSORPTION PROCESS AND APPARATUS

#125
20230100630
2023-03-30

Processes and systems for treating sour water

#126
20230060258
2023-03-02

Integrated heat exchanger and sour water stripper

#127
20230059525
2023-02-23

Method, System and Stable for Phosphate Recovery from a Waste Stream

#128
20230053638
2023-02-23

PHOTOSWITCHABLE GUANIDINIUM COMPOUNDS FOR REMOVAL OF OXYANIONS FROM LIQUID SOLUTIONS

#129
20230050281
2023-02-16

METHOD FOR TREATING WATERS, SEDIMENTS AND/OR SLUDGES

#130
20230045184
2023-02-09

SYSTEM FOR PRODUCING MAGNESIUM CHLORIDE AND SYSTEM FOR PRODUCING MAGNESIUM

#131
20230042185
2023-02-09

CREATION OF AN IRON PRODUCT FOR WASTEWATER TREATMENT

#132
20230038934
2023-02-09

Utilization of biogas scrubber in anaerobic membrane bioreactor systems

#133
20230002249
2023-01-05

Method and system for removing hydrogen sulfide from sour oil and sour water

#134
20220411302
2022-12-29

Process for treating acid mine drainage

#135
20220362706
2022-11-17

INTEGRATED AMMONIA-BASED DESULFURIZATION AND DECARBONIZATION APPARATUS AND METHOD

#136
20220340459
2022-10-27

Sodium Nitrite Oxidation of Hydrogen Sulfide

#137
20220331744
2022-10-20

Method for preparing nanofiltration membrane and nanofiltration membrane prepared therefrom

#138
20220315459
2022-10-06

WATER BALANCE IMPROVEMENT lN AN EFFLUENT TREATMENT PROCESS FOR SULPHATE REMOVAL

#139
20220315452
2022-10-06

Layered Double Hydroxide Crystal, Anion Adsorbent, and Method for Producing Layered Double Hydroxide Crystal

#140
20220306489
2022-09-29

APPARATUS AND RELATED METHODS FOR BIOGAS CAPTURE FROM WASTEWATER

#141
20220289608
2022-09-15

Method for Treating FRAC and Produced Water

#142
20220282166
2022-09-08

Stabilized concentrated formaldehyde solutions and methods of use thereof

#143
20220281765
2022-09-08

COMPOSITIONS AND METHOD FOR WASTEWATER TREATMENT

#144
20220252071
2022-08-11

SUBSEA ELECTRIC FLUID PROCESSING MACHINE

#145
20220243120
2022-08-04

Methods for removing sulfate ions from seawater to form injection fluids

#146
20220242756
2022-08-04

PROCESS FOR THE CONCENTRATION OF AMINE WATER

#147
20220241722
2022-08-04

Hydrogen Sulfide Removal in Liquid and Gas Streams

#148
20220204872
2022-06-30

Compositions and methods for remediating hydrogen sulfide in hydrocarbon based liquids

#149
20220204367
2022-06-30

System and method of treating waste water

#150
20220200029
2022-06-23

System and Method of Generating Electricity in A Body of Water

#151
20220194833
2022-06-23

System and Method of Separating Oxygen from A Body of Water

#152
20220194786
2022-06-23

System and Method of Generating Hydrogen Gas

#153
20220169536
2022-06-02

Receptor and method for removing oxoanions from aqueous phase

#154
20220168696
2022-06-02

Pressurized liquid stream with dissolved gas

#155
20220162099
2022-05-26

Wastewater treatment device and wastewater treatment method

#156
20220119294
2022-04-21

System and method for treating contaminated water

#157
20220098069
2022-03-31

Scalable floating micro-aeration unit, devices and methods

#158
20220081334
2022-03-17

METHOD FOR THE REMOVAL OF AT LEAST ONE CONTAMINANT FROM AN AQUEOUS LIQUOR OR A GAS

#159
20220073808
2022-03-10

Multivalent iron bio-inhibitor from waste bauxite residue to control reservoir souring

#160
20220064040
2022-03-03

SEWAGE TREATMENT APPARATUS SUITABLE FOR SINGLE-FAMILY DOMESTIC SEWAGE TREATMENT

#161
20220055041
2022-02-24

Composition and method for treating and remediating aqueous waste streams

#162
20220033290
2022-02-03

In-situ remediation of sulfate contamination

#163
20220024797
2022-01-27

In-situ resource utilization-derived water purification and hydrogen and oxygen production

#164
20220017833
2022-01-20

Methods and Compositions for Scavenging Sulfides from Hydrocarbon Fluids and Aqueous Streams

#165
20210395113
2021-12-23

Regeneratable system for contaminant removal

#166
20210370261
2021-12-02

Biomass pyrolysis systems and methods for metal removal from biofuel

#167
20210363032
2021-11-25

Sour water treatment

#168
20210347650
2021-11-11

Processing of lithium containing brines

#169
20210340340
2021-11-04

Gamma irradiation of ion exchange resins to remove or trap halogenated impurities

#170
20210340044
2021-11-04

Denitrification of water using bacteria

#171
20210340036
2021-11-04

Controlled removal of ions from aqueous fluid

#172
20210340027
2021-11-04

PROCESS AND SYSTEM FOR REMOVING HYDROGEN SULFIDE FROM SOUR WATER

#173
20210331943
2021-10-28

Process and device for continuous treatment of high-concentration organic wastewater

#174
20210317026
2021-10-14

Mineral recovery enhanced desalination (MRED) process for desalination and recovery of commodity minerals

#175
20210317025
2021-10-14

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

#176
20210309582
2021-10-07

Organic ammonium compositions and methods of their use and making

#177
20210309545
2021-10-07

SYSTEM AND PROCESS FOR DESALINATING MONOVALENT ANION SPECIES FROM WASTEWATER

#178
20210284935
2021-09-16

Enhanced peroxygen stability in multi-dispense TAED-containing peroxygen solid

#179
20210284559
2021-09-16

SYSTEM AND METHOD FOR WASTEWATER TREATMENT

#180
20210284551
2021-09-16

Reinforcement learning for H2S abatement

#181
20210276906
2021-09-09

Use of percarboxylic acids for scale prevention in treatment systems

#182
20210276892
2021-09-09

Electrodialysis processes using an organic solvent for separating dissolved species

#183
20210269345
2021-09-02

Recycling of sodium sulfate in starch processing

#184
20210269333
2021-09-02

Method For Removing Hydrogen Sulfide From Oily Sour Water

#185
20210261452
2021-08-26

SULFATE AND TRACE METAL PRECIPITATION METHODS AND COMPOSITIONS

#186
20210261427
2021-08-26

Process for the production of metal oxides

#187
20210253444
2021-08-19

Anionic ferric iron complexes in alkaline aqueous solutions

#188
20210238067
2021-08-05

Methods for removing anions from water

#189
20210230474
2021-07-29

Methods for producing seawater based, high temperature viscoelastic surfactant fluids with low scaling tendency

#190
20210230027
2021-07-29

Methods of treating water to remove contaminants and water treatment plants for the practice thereof

#191
20210214246
2021-07-15

Processes and systems for treating sour water to remove sulfide compounds

#192
20210214243
2021-07-15

Sulfate ion removal system and method for removing sulfate ion

#193
20210213386
2021-07-15

Decontamination of sulfur contaminants from a vessel

#194
20210206674
2021-07-08

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

#195
20210198129
2021-07-01

METHODS, PRODUCTS & USES RELATING TO SCAVENGING OF ACIDIC SULFIDE SPECIES

#196
20210197116
2021-07-01

METHOD OF SCAVENGING ACID SULFIDE SPECIES

#197
20210188683
2021-06-24

System and method for treating high-salt high-organic wastewater and recovering energy

#198
20210179926
2021-06-17

METHODS, PRODUCTS & USES RELATING TO SCAVENGING OF ACIDIC SULFIDE SPECIES

#199
20210170383
2021-06-10

Visible light catalyst, preparation and application thereof

#200
20210163322
2021-06-03

Processes and systems for treating sour water

#201
20210155513
2021-05-27

Method and system for abating the presence of a selected chemical substance in wastewater flowing in a wastewater channel system

#202
20210139347
2021-05-13

Adsorption method

#203
20210130209
2021-05-06

BIOLOGICAL TREATMENT OF INDUSTRIAL ALKALINE STREAMS

#204
20210130208
2021-05-06

PROCESS FOR CONTROLLING THE SODIUM AND SULFUR BALANCE IN A PULP MILL

#205
20210127645
2021-05-06

Solar-powered aeration device for sludge turnover and planting and method

#206
20210123117
2021-04-29

Method for reducing formation of CaSO4 and Fe2O3 containing deposits in a pressure oxidation autoclave and/or adjacent circuits during pressure oxidation of gold-containing ore

#207
20210122648
2021-04-29

Method and system for removing hydrogen sulfide from sour oil and sour water

#208
20210114895
2021-04-22

Creation of an iron product for wastewater treatment

#209
20210113961
2021-04-22

Addition of alkaline materials to biotrickling filter or bio-filter make-up water

#210
20210113959
2021-04-22

Methods for producing and using alkaline aqueous ferric iron solutions

#211
20210107813
2021-04-15

SYSTEMS AND PROCESSES FOR PRODUCING POTASSIUM SULFATE, BARIUM SULFATE, AND/OR CHLORIDE SALTS FROM WASTE STREAMS

#212
20210101095
2021-04-08

Application of formaldehyde sulfoxylates for scavenging HS

#213
20210069642
2021-03-11

Multi-pollutant exhaust treatment using seawater for marine applications

#214
20210053855
2021-02-25

Recycling of alkali sulfate rich waste water by biological pre-treatment with an extreme halophilic organism

#215
20210053854
2021-02-25

Process for treating a sulfide-containing waste lye

#216
20210053853
2021-02-25

Process and device for treating a waste lye

#217
20210040400
2021-02-11

Chemical compositions and methods of using same for remediating low to moderate amounts of sulfur-containing compositions and other contaminants in liquids

#218
20210039009
2021-02-11

Method and system for purifying contaminated water

#219
20210032146
2021-02-04

Method for wastewater treatment

#220
20210017059
2021-01-21

Apparatus and method for treating waste water containing ammonium salts

#221
20210016223
2021-01-21

Treated water drying device and boiler system including the same

#222
20210002159
2021-01-07

Removing nitrate from water

#223
20210002157
2021-01-07

Fluid remanufacturing

#224
20210002147
2021-01-07

Apparatus and method for treating waste water containing ammonium salts

#225
20200399141
2020-12-24

Blend for odor control

#226
20200398215
2020-12-24

WATER TREATMENT TANK AND DESULFURIZATION DEVICE

#227
20200391156
2020-12-17

WATER TREATMENT TANK AND DESULFURIZATION DEVICE

#228
20200377394
2020-12-03

Process for decontamination of hazardous sulfur compounds in sour water tanks

#229
20200354243
2020-11-12

Sodium nitrite oxidation of hydrogen sulfide

#230
20200339452
2020-10-29

Dynamic produced water treatment apparatus and system with oxygen recovery

#231
20200325053
2020-10-15

Method of treating wastewater

#232
20200308472
2020-10-01

Composition useful in sulfate scale removal

#233
20200308029
2020-10-01

Divalent Ion Removal From Monoethylene Glycol-Water Streams

#234
20200299165
2020-09-24

Method for separation of magnesium and calcium ions from saline water, for improving the quality of soft and desalinated waters

#235
20200290910
2020-09-17

Process for reduction of sulfide from water and wastewater

#236
20200290896
2020-09-17

Catalytic fast pyrolysis process with impurity removal

#237
20200283319
2020-09-10

Process for the treatment of wastewater formed during the production of modified starches

#238
20200270153
2020-08-27

Scalable floating micro-aeration unit, devices and methods

#239
20200269165
2020-08-27

Underwater water treatment unit and method for cleaning said unit

#240
20200262724
2020-08-20

Zinc ammonium carbonate sulfide scavengers

#241
20200261921
2020-08-20

Composition and method for treating and remediating aqueous waste streams

#242
20200255304
2020-08-13

Method and system for controlling odor in water system

#243
20200247681
2020-08-06

SUITABLE REAGENT FOR THE TREATMENT OF HIGH-SULPHATE WATERS

#244
20200246761
2020-08-06

NANOFILTRATION COMPOSITE MEMBRANES COMPRISING SELF-ASSEMBLED SUPRAMOLECULAR SEPARATION LAYER

#245
20200246744
2020-08-06

Hydrogen sulfide removal process

#246
20200239789
2020-07-30

Methods of remediating liquid compositions containing sulfur and other contaminants

#247
20200239772
2020-07-30

Acrylate-based sulfur scavenging agents for use in oilfield operations

#248
20200238222
2020-07-30

High flux, chlorine resistant coating for sulfate removal membranes

#249
20200224104
2020-07-16

Dissolution of hexamine in non-aqueous solvent

#250
20200223723
2020-07-16

Method for treating sulfides in waste streams

#251
20200223720
2020-07-16

NEW PROCESS FOR THE TREATMENT OF HIGH SULPHATE WATERS

#252
20200216343
2020-07-09

Wastewater treatment device and wastewater treatment method

#253
20200216337
2020-07-09

SULFATE REMOVAL OF WET AIR OXIDIZED SPENT CAUSTIC

#254
20200216329
2020-07-09

Systems and methods for removing volatile compounds from water-storage tanks

#255
20200215454
2020-07-09

System and method for removal of scale forming components

#256
20200206684
2020-07-02

Decontamination of sulfur contaminants from a vessel

#257
20200198995
2020-06-25

Water treatment of sodic, high salinity, or high sodium waters for agricultural application

#258
20200180987
2020-06-11

Scale control in phosphoric acid production and handling plants

#259
20200157439
2020-05-21

Synergized acetals composition and method for scavenging sulfides and mercaptans

#260
20200156972
2020-05-21

Bioreactor, system, and method for reduction of sulfates from surface waters

#261
20200140746
2020-05-07

Methods for producing seawater based, high temperature viscoelastic surfactant fluids with low scaling tendency

#262
20200140305
2020-05-07

Method for softening lithium brine using nanofiltration

#263
20200140298
2020-05-07

Methods for treating sulfides in gaseous streams

#264
20200131444
2020-04-30

Compositions and methods for remediating hydrogen sulfide in hydrocarbon based liquids

#265
20200123032
2020-04-23

Treating seawater for oilfield operations

#266
20200115617
2020-04-16

Synergistic sulfide scavenging additives for use in oilfield operations

#267
20200109065
2020-04-09

Production of ultra-high-density brines using transiently-operated desalination systems

#268
20200102238
2020-04-02

Compositions for mitigating hydrogen sulfide contamination using a recombinant protein with an affinity tag fused to a hydrogen sulfide scavenging enzyme

#269
20200102237
2020-04-02

Compositions for mitigating hydrogen sulfide contamination using a recombinant protein with an affinity tag fused to a hydrogen sulfide scavenging enzyme

#270
20200102234
2020-04-02

Dynamic produced water treatment apparatus and system

#271
20200095148
2020-03-26

Method of suspending elemental sulfur in water

#272
20200087184
2020-03-19

Sequestration of macronutrients from anaerobic wastewater treatment with iron- and steel-making slags

#273
20200079670
2020-03-12

COADMINISTRATION OF SULFIDE OXIDIZING BACTERIA AND NITRATES FOR MANAGEMENT AND CONTROL OF HYDROGEN SULFIDE PRODUCTION IN WASTEWATER

#274
20200079666
2020-03-12

Method for treating sulfides in waste streams

#275
20200078763
2020-03-12

Water-resistant sulfur compound adsorbent

#276
20200062623
2020-02-27

Method for down-hole treatment of a production well for sulfur based contaminants

#277
20200055007
2020-02-20

System and method for generating stabilized, gas infused liquids containing high and ultra-high concentrations of infused gas, and the stabilized, gas infused liquids

#278
20200048118
2020-02-13

Method for treating wastewater and wastewater sludge using a percarboxylic acid

#279
20200031759
2020-01-30

Preparation of new stable hydrogen sulfide scavengers useful in both water as well as oil medium applications

#280
20200024526
2020-01-23

Functionalized aldehydes as HS and mercaptan scavengers

#281
20200017758
2020-01-16

Methods for producing seawater based, high temperature viscoelastic surfactant fluids with low scaling tendency

#282
20200017757
2020-01-16

Methods for producing seawater based, high temperature viscoelastic surfactant fluids with low scaling tendency

#283
20200017753
2020-01-16

Compositions and methods for scavenging HS

#284
20200010346
2020-01-09

Bioreactor for sulfate reduction

#285
20200002206
2020-01-02

Compositions and methods for scale inhibition

#286
20190389742
2019-12-26

Anion removal from waste water

#287
20190382292
2019-12-19

Controlled removal of ions from aqueous fluid

#288
20190382291
2019-12-19

Enhanced process for selective salt recovery from wastewater, waste salts, and brines

#289
20190359512
2019-11-28

System for removing minerals from a brine

#290
20190352195
2019-11-21

System and process for treating water

#291
20190345046
2019-11-14

Method of refining and recovering barium sulfate from contaminated water sources

#292
20190330086
2019-10-31

Electrocoagulation Unit and a Method for Operating the Same

#293
20190322951
2019-10-24

Chemical compositions and methods for remediating hydrogen sulfide and other contaminants in hydrocarbon based liquids and aqueous solutions without the formation of precipitates or scale

#294
20190315636
2019-10-17

Catalytic fast pyrolysis process with impurity removal

#295
20190300409
2019-10-03

Apparatus and method for treating hydrogen sulfide and ammonia in wastewater streams

#296
20190300403
2019-10-03

Separation of ozone oxidation in liquid media into three unit operations for process optimization

#297
20190300402
2019-10-03

Method for treating sulfides in waste streams

#298
20190299162
2019-10-03

SYSTEMS AND METHODS FOR TREATING HIGH SULFATE WATER AND INJECTING TREATED WATER

#299
20190284071
2019-09-19

Efficient bio-inorganic system for treatment of sulphidic wastewater streams containing other contaminants

#300
20190276342
2019-09-12

Treatment method and treatment apparatus for waste water containing sulfuric acid, fluorine and heavy metal ions