ClassID:

86473

C02F2101/203 - CPC Classification

Classification description:

Nature of the contaminant; Inorganic compounds; Heavy metals or heavy metal compounds Iron or iron compound

Recent Application in this class:
#1
20260131376
2026-05-14

LOW-SULFUR GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#2
20260116794
2026-04-30

OZONE OXIDATIVE PRECIPITATION OF ELEMENTS FROM AQUEOUS STREAMS

#3
20260115684
2026-04-30

Graphene composite material modified with coordinating group, method of preparation and use thereof

#4
20260091997
2026-04-02

SYSTEMS AND METHODS FOR PURIFYING AQUEOUS FLUIDS

#5
20260055015
2026-02-26

USE OF POLYCARBOXYLATED-BETA-AMINO ALCOHOLS FOR DISSOLUTION OF INORGANIC SALTS

#6
20260054312
2026-02-26

TREATING COOLING WATER IN IRON PRODUCTION FACILITIES, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#7
20260048434
2026-02-19

LOW-CARBON GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#8
20260034581
2026-02-05

USE OF RESIDUAL IRON WITHIN GRANULATED METALLIC UNIT PRODUCTION FACILITIES, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#9
20260022042
2026-01-22

AMPHOTERIC SURFACTANTS FOR INJECTIVITY ENHANCEMENT IN SALTWATER DISPOSAL WELLS

#10
20260022033
2026-01-22

WATER PURIFICATION AGENT AND METHOD FOR PRODUCING SAME

#11
20260008708
2026-01-08

TREATING PRODUCED WATER FOR BENEFICIAL REUSE

#12
20260001791
2026-01-01

METHOD AND SYSTEM OF REMOVING ENVIRONMENTAL CONTAMINANTS FROM WATER

#13
20260001124
2026-01-01

CONTINUOUS GRANULATED METALLIC UNITS PRODUCTION, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#14
20250381571
2025-12-18

A WATER TREATMENT UNIT

#15
20250376397
2025-12-11

INTEGRATION OF MEMBRANE DISTILLATION (MD) AND PRESSURE RETARDED OSMOSIS (PRO) TO TREAT PRODUCED WATER

#16
20250353076
2025-11-20

USE OF A BASIC OXYGEN FURNACE TO PRODUCE GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#17
20250346509
2025-11-13

FLOCCULANT FOR TREATING FRACTURING FLOWBACK FLUID AND PREPARATION METHOD THEREFOR

#18
20250344680
2025-11-13

RECIRCULATING AQUACULTURE SYSTEM AND METHOD

#19
20250320578
2025-10-16

TREATED GEOTHERMAL BRINE COMPOSITIONS WITH REDUCED CONCENTRATIONS OF SILICA, IRON AND MANGANESE

#20
20250263313
2025-08-21

METHOD FOR PRODUCING ULTRAPURE WATER, ULTRAPURE WATER PRODUCTION APPARATUS, AND ULTRAPURE WATER PRODUCTION SYSTEM

#21
20250214870
2025-07-03

SYSTEMS AND METHODS FOR RESIN BREAKTHROUGH IDENTIFICATION USING ION-SELECTIVE ELECTRODES

#22
20250187058
2025-06-12

Materials and Methods for Remediating and Mitigating Iron Pollution

#23
20250178932
2025-06-05

WATER TREATMENT UNIT

#24
20250171342
2025-05-29

WASTEWATER TREATMENT PROCESS IN PRODUCTION OF NICKEL COBALT HYDROXIDE

#25
20250162918
2025-05-22

Method for Treating Ground Water

#26
20250144574
2025-05-08

FILTRATION MEMBRANES, SYSTEMS, AND METHODS FOR PRODUCING PURIFIED WATER

#27
20250136482
2025-05-01

Process and System for Treatment of Water Containing Dissolved Metals

#28
20250128969
2025-04-24

FLUID TREATMENT APPARATUS WITH INTEGRAL CLEANING SYSTEM

#29
20250128966
2025-04-24

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

#30
20250128236
2025-04-24

CROSSLINKED STRUCTURE, METAL-TRAPPING MATERIAL INCLUDING SAID CROSSLINKED STRUCTURE, METHOD FOR RECOVERING METAL USING SAID METAL-TRAPPING MATERIAL, AND METHOD FOR MANUFACTURING SAID CROSSLINKED STRUCTURE

#31
20250115497
2025-04-10

SULFATE REMOVAL FROM WATER

#32
20250109802
2025-04-03

ADAPTER PLATE FOR COUPLING A WATER TREATMENT CONTROLLER TO A VALVE BODY

#33
20250099918
2025-03-27

COATED POROUS FILTER MEMBRANES AND RELATED METHODS

#34
20250083232
2025-03-13

CONTINUOUS GRANULATED METALLIC UNITS PRODUCTION, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#35
20250083231
2025-03-13

USE OF RESIDUAL IRON WITHIN GRANULATED METALLIC UNIT PRODUCTION FACILITIES, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#36
20250083230
2025-03-13

USE OF A BASIC OXYGEN FURNACE TO PRODUCE GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#37
20250083224
2025-03-13

LOW-CARBON GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#38
20250083223
2025-03-13

LOW-SULFUR GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#39
20250073673
2025-03-06

NANONETS FOR REMOVAL OF CONTAMINANTS FROM AQUEOUS SOLUTIONS, KITS THEREFOR AND METHODS OF THEIR USE

#40
20250003098
2025-01-02

ELECTROCHEMICAL CELL DEIONIZATION SYSTEM

#41
20250003097
2025-01-02

ELECTROCHEMICAL CELL DEIONIZATION SYSTEM

#42
20250003096
2025-01-02

ELECTROCHEMICAL CELL DEIONIZATION SYSTEM

#43
20240417299
2024-12-19

MOLECULAR MODIFICATION PROCESS FOR WASTEWATER TREATMENT AND PURIFICATION

#44
20240383781
2024-11-21

DISPOSAL OF EFFLUENT WATER FROM AN OFFSHORE OIL AND GAS INSTALLATION

#45
20240383777
2024-11-21

SORBENT-BASED SYSTEMS AND METHODS FOR REDUCING A CONCENTRATION OF A METAL FROM A FLUID

#46
20240308889
2024-09-19

Production of H2S For Efficient Metal Removal From Effluents

#47
20240300828
2024-09-12

TREATING PRODUCED WATER FOR BENEFICIAL REUSE

#48
20240299716
2024-09-12

SHOWER THERAPY AND FILTER DEVICE

#49
20240293793
2024-09-05

MATERIAL FOR NEUTRALISING AND/OR HARDENING LIQUIDS, A METHOD FOR PRODUCING SAME, AND USES

#50
20240286942
2024-08-29

Method and System for Processing a Fluid

#51
20240271026
2024-08-15

TREATED GEOTHERMAL BRINE COMPOSITIONS WITH REDUCED CONCENTRATION OF SILICA, IRON AND LITHIUM

#52
20240270613
2024-08-15

Treatment method of wastewater containing ferricyanide complex and oxalate

#53
20240269660
2024-08-15

OXIDATIVE AND ADSORPTIVE CATALYTIC MEDIA

#54
20240269649
2024-08-15

Porous Polymer Product For Removing Contaminants From A Fluid Stream

#55
20240254016
2024-08-01

SYSTEM CONFIGURATION FOR SEAWATER REVERSE OSMOSIS (SWRO) FOR HIGHER RECOVERY OPERATIONS AND LOWER FOULING PROPENSITY

#56
20240239697
2024-07-18

WATER PURIFICATION REPLICATING A KNOWN POPULAR SOURCE

#57
20240229777
2024-07-11

PROCESS FOR PRODUCING GEOTHERMAL POWER, SELECTIVE REMOVAL OF SILICA AND IRON FROM BRINES, AND IMPROVED INJECTIVITY OF TREATED BRINES

#58
20240228339
2024-07-11

ELECTROCHEMICAL MEMBRANE APPARATUS INCLUDING AN ELECTROCHEMICAL MEMBRANE REACTOR, AND RELATED METHODS

#59
20240228333
2024-07-11

PRODUCED WATER TREATMENT FOR DIRECT INJECTION USING MECHANICALLY ASSISTED FORWARD OSMOSIS

#60
20240228305
2024-07-11

Production of Silicate Solutions and their Use in Mold and Mildew Remediation

#61
20240199454
2024-06-20

Process for Removing Hardness and Total Organic Carbon from Drinking Water

#62
20240181373
2024-06-06

PLANT AND PROCESS FOR REMOVING SUSPENDED SOLIDS, OILS AND GREASES FROM COOLING WATER IN THE STEEL AND METALLURGICAL SECTOR

#63
20240158274
2024-05-16

PROCESSING METHOD FOR GRAPHITE ACID PURIFICATION WASTEWATER

#64
20240157330
2024-05-16

COLUMNAR BODY, ADSORBENT INCLUDING THE COLUMNAR BODY, AND METHOD OF REMOVING METAL AND/OR METAL ION WITH THE ADSORBENT

#65
20240132379
2024-04-25

PRODUCED WATER TREATMENT FOR DIRECT INJECTION USING MECHANICALLY ASSISTED FORWARD OSMOSIS

#66
20240082812
2024-03-14

POROUS BODY, ADSORBENT INCLUDING THE POROUS BODY, AND METHOD OF REMOVING METAL AND/OR METAL ION WITH THE ADSORBENT

#67
20240058727
2024-02-22

HOT ROLLING MILL WITH SEPARATOR FOR MILL SCALE FROM WASTEWATER

#68
20240057567
2024-02-22

RECIRCULATING AQUACULTURE SYSTEM AND METHOD

#69
20230406727
2023-12-21

Filter for water-purification device and water-purification device including the same

#70
20230365445
2023-11-16

SIDE STREAM FILTER FLUID TREATMENT FOR NEW AND OLD SYSTEMS

#71
20230322567
2023-10-12

METHODS FOR REMOVING POTASSIUM, RUBIDIUM, AND CESIUM, SELECTIVELY OR IN COMBINATION, FROM BRINES AND RESULTING COMPOSITIONS THEREOF

#72
20230263331
2023-08-24

REVERSE COFFEE EXTRACTION DEVICE USING A PUMP

#73
20230242423
2023-08-03

Extract of plant powder, and water purifier

#74
20230234872
2023-07-27

WATER PURIFIER

#75
20230212043
2023-07-06

RECYCLING SYSTEM

#76
20230174392
2023-06-08

ADSORBENT, SEPARATION METHOD, AND PRODUCTION METHOD FOR LIQUID

#77
20230085171
2023-03-16

Treated geothermal brine compositions with reduced concentration of silica, iron and lithium

#78
20230071223
2023-03-09

NOVEL ADSORBENT

#79
20230035776
2023-02-02

Nanonets for removal of contaminants from aqueous solutions, kits therefor and methods of their use

#80
20230034944
2023-02-02

Processes for treatment of wastewater

#81
20230029668
2023-02-02

Control of industrial water treatment via digital imaging

#82
20230009795
2023-01-12

METHOD AND SYSTEM OF REMOVING ENVIRONMENTAL CONTAMINANTS FROM WATER

#83
20220402776
2022-12-22

Water filtration and aeration unit

#84
20220396512
2022-12-15

Pressurized water filter and water filtration apparatus

#85
20220356088
2022-11-10

SELECTIVE REMOVAL OF CHARGED SPECIES

#86
20220340465
2022-10-27

Method and apparatus for removing iron from humus-rich water

#87
20220315462
2022-10-06

TREATMENT OF PRODUCED WATER

#88
20220305500
2022-09-29

PARTICLE REMOVAL APPARATUS AND METHOD

#89
20220305459
2022-09-29

Method for removing a pollutant from aqueous solution with a crosslinked polymer

#90
20220212966
2022-07-07

Method for removing biofilm

#91
20220204370
2022-06-30

METHOD FOR CONTROLLING ODOR AND TASTE PRODUCING METABOLITES IN WATER SYSTEMS THROUGH USE OF PRIMARY AND SECONDARY OXIDATION PROCESSES

#92
20220203327
2022-06-30

Adsorbent comprising carboxylic acid dimer and preparation method thereof

#93
20220073375
2022-03-10

METHOD FOR THE TREATMENT OF WASTEWATER

#94
20220055041
2022-02-24

Composition and method for treating and remediating aqueous waste streams

#95
20220033284
2022-02-03

CURRENT BASED WATER TREATMENT PROCESS AND SYSTEM

#96
20220008935
2022-01-13

Method and apparatus for processing magnetite

#97
20220001357
2022-01-06

Iron detection and remediation with a functionalized porous polymer

#98
20220001312
2022-01-06

DEVICE AND METHOD FOR FILTERING A FLUID CIRCULATING IN A PLUMBING AND HEATING SYSTEM

#99
20210387875
2021-12-16

Methods of separating ultrafine pollutant particles from aqueous suspension

#100
20210380444
2021-12-09

Extract of plant powder, and water purifier

#101
20210354996
2021-11-18

Method of rapid treatment of heavy metal sludge and preparation of ferrite magnets

#102
20210347656
2021-11-11

Filter for water-purification device and water-purification device including the same

#103
20210331952
2021-10-28

Production of H2S for efficient metal removal from effluents

#104
20210317015
2021-10-14

Methods of improving compatibility of oilfield produced water from different sources

#105
20210276906
2021-09-09

Use of percarboxylic acids for scale prevention in treatment systems

#106
20210276894
2021-09-09

Filter for Treating a Fluid in a Pipe, in Particular a Pipe of a Water Network, and Operating Method Thereof

#107
20210260537
2021-08-26

Ligand-modified filter and methods for reducing metals from liquid compositions

#108
20210253455
2021-08-19

DEVICES AND METHODS FOR WATER TREATMENT

#109
20210246050
2021-08-12

Method for producing ultrapure water, ultrapure water production system, and ion exchanger-filled module

#110
20210230029
2021-07-29

Method for removing heavy metal pollutants in water with divalent manganese strengthened ferrate

#111
20210230022
2021-07-29

Filter and metal ion removal device

#112
20210221719
2021-07-22

Engineered yeast as a method for bioremediation

#113
20210206671
2021-07-08

Method for continuous supply of superoxide-containing peracetate oxidant solution

#114
20210206660
2021-07-08

Process to recycle water condensate from COoff gas stream

#115
20210163305
2021-06-03

Method for preparing urea ammonium nitrate solution from waste nitric acid after stripping tin from circuit board

#116
20210155840
2021-05-27

Treated geothermal brine compositions with reduced concentration of silica, iron and lithium

#117
20210147260
2021-05-20

Water purification apparatus and water purification method using layered double hydroxide

#118
20210140412
2021-05-13

Process for producing geothermal power, selective removal of silica and iron from brines, and improved injectivity of treated brines

#119
20210138435
2021-05-13

Crosslinked resin, synthesis thereof, and use for removing organic dyes

#120
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

#121
20210032132
2021-02-04

WASTEWATER TREATMENT SYSTEM AND METHOD FOR PRODUCING SLUDGE FOR CEMENT MANUFACTURING

#122
20210024395
2021-01-28

High salinity water purification processes and systems

#123
20210009442
2021-01-14

Filter for water purifier and water purifier including the same

#124
20200392601
2020-12-17

Treated geothermal brine compositions with reduced concentrations of silica, iron and manganese

#125
20200392024
2020-12-17

Water treatment apparatus and water treatment method

#126
20200369539
2020-11-26

Water-purifying agent and water purification method

#127
20200354248
2020-11-12

Composition and method for stabilizing iron compounds in an aqueous environment, and use of composition

#128
20200346962
2020-11-05

Process for producing zero-valent iron nanoparticles and treating acid mine drainage

#129
20200339452
2020-10-29

Dynamic produced water treatment apparatus and system with oxygen recovery

#130
20200317554
2020-10-08

Purification filter element and water purification cup

#131
20200317552
2020-10-08

High-purity separation method of iron ions from an aqueous solution containing heavy metal ions

#132
20200277205
2020-09-03

FLUIDIC FLUID PURIFYING DEVICE AND ASSOCIATED PURIFYING METHOD

#133
20200261921
2020-08-20

Composition and method for treating and remediating aqueous waste streams

#134
20200207639
2020-07-02

Control of industrial water treatment via digital imaging

#135
20200206747
2020-07-02

PARTICLE REMOVAL APPARATUS AND METHOD

#136
20200198995
2020-06-25

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

#137
20200179951
2020-06-11

Separator device

#138
20200156970
2020-05-21

Methods and compositions for removing contaminants from wastewater streams

#139
20200140289
2020-05-07

Methods and uses of encapsulated exudates and dried biomass for binding metal

#140
20200095150
2020-03-26

Automated waste water recycling system using advanced electro-coagulation unit

#141
20200095149
2020-03-26

Automated waste water recycling system using advanced electro-coagulation unit

#142
20200071197
2020-03-05

Process for treatment of wastewater

#143
20200039844
2020-02-06

Process, device and system for treatment of water

#144
20200032125
2020-01-30

COMBINED USES OF A PHOSPHOROUS COMPOUND FOR IRON SULPHIDE DISSOLUTION AND BACTERIAL CONTROL

#145
20200024158
2020-01-23

Faradic porosity cell

#146
20200017388
2020-01-16

Process for the biological purification of nutrient-contaminated wastewater

#147
20190389755
2019-12-26

Aerated racetrack wetland system for treating wastewater

#148
20190381456
2019-12-19

METHOD FOR MANAGING OPERATION OF REVERSE OSMOSIS MEMBRANE DEVICE AND REVERSE OSMOSIS MEMBRANE TREATMENT SYSTEM

#149
20190359503
2019-11-28

Water purification dispersion, production method for water purification dispersion, and waste water treatment method

#150
20190352206
2019-11-21

System and process for treating produced and frac flowback waters

#151
20190352195
2019-11-21

System and process for treating water

#152
20190351387
2019-11-21

MATERIAL FOR NEUTRALISING AND/OR HARDENING LIQUIDS, A METHOD FOR PRODUCING SAME, AND USES

#153
20190345041
2019-11-14

POROUS MINERAL NUCLEUS AND A METAL SHELL

#154
20190330080
2019-10-31

Method for the treatment of wastewater

#155
20190323330
2019-10-24

METHOD AND APPARATUS FOR UTILIZATION OF WATER PRODUCED FROM SUBTERRANEAN HYDROCARBON RESERVES IN MINING OF ASSOCIATED MINERAL DEPOSITS

#156
20190308894
2019-10-10

Apparatus and method for aerating wastewater

#157
20190300403
2019-10-03

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

#158
20190284073
2019-09-19

Systems and methods for treating acidity, heavy metals, and solids in acid mine drainage and other aqueous fluids

#159
20190241449
2019-08-08

Process for the removal of iron and phosphate ions from a chlorinated hydrocarbon waste stream

#160
20190234091
2019-08-01

Composition and method for water conditioning

#161
20190225854
2019-07-25

Treated geothermal brine compositions with reduced concentration of silica, iron and lithium

#162
20190218127
2019-07-18

Advanced oxidation process for ex-situ groundwater remediation

#163
20190218121
2019-07-18

Systems and method for oxidative treatment utilizing reactive oxygen species and applications thereof

#164
20190218120
2019-07-18

Process for treating mine drainage

#165
20190218119
2019-07-18

Process for producing zero-valent iron nanoparticles and treating acid mine drainage

#166
20190203368
2019-07-04

Electrochemical process for improving the grade of iron

#167
20190194036
2019-06-27

Method for the treatment of wastewater

#168
20190161364
2019-05-30

Water reclamation system and method

#169
20190161363
2019-05-30

Fluid treatment tank having air blocker

#170
20190112828
2019-04-18

Portable pool filter system

#171
20190084852
2019-03-21

Fluid purification apparatus and method

#172
20190076851
2019-03-14

Status monitoring system and method for magnetic filters

#173
20190074099
2019-03-07

Method for treating waste water from the decontamination of a metal surface, waste-water treatment device and use of the waste-water treatment device

#174
20190055379
2019-02-21

Use of a cyclodextrin polycondensate or a composition comprising such a polycondensate, as a capturing agent

#175
20190047889
2019-02-14

Compact water purification unit

#176
20190039919
2019-02-07

Method and apparatus for treating contaminated fluid medium

#177
20190037783
2019-02-07

Method of conserving irrigation water using a woven fabric substrate

#178
20190031533
2019-01-31

Water treatment

#179
20190023592
2019-01-24

Water treatment processes utilizing sequential addition of a base and an oxidant

#180
20190023585
2019-01-24

Method and apparatus for the recovery and deep treatment of polluted acid

#181
20190002312
2019-01-03

Effluent treatment process for sulphate removal

#182
20180362374
2018-12-20

Ozone-assisted fluid treatment apparatus and method

#183
20180290108
2018-10-11

Method of production of nanoporous membranes for water purification from metal ions at low differential pressures

#184
20180273401
2018-09-27

Contaminants removal with simultaneous desalination using carbon dioxide regenerated hybrid ion exchanger nanomaterials

#185
20180264401
2018-09-20

Apparatus and method for eliminating hydrogen sulfide, iron sulfide, and other sulfhydryl compounds from gas and/or liquids

#186
20180237321
2018-08-23

Engineered yeast as a method for bioremediation

#187
20180236435
2018-08-23

Composites for removing heavy metal and method of synthesizing the same

#188
20180229155
2018-08-16

Method for separating mill scale from wastewater

#189
20180222782
2018-08-09

ANAEROBIC SUSPENDED GROWTH TREATMENT OF CONTAMINATED WATER

#190
20180215640
2018-08-02

System for Treating the Water for a Cooling Tower

#191
20180208481
2018-07-26

Method of recovering iron and/or phosphorus from sludge of waste water treatment plants

#192
20180201528
2018-07-19

Flocculation of high-solids mineral slurries

#193
20180179095
2018-06-28

Water purification replicating a known popular source

#194
20180148352
2018-05-31

Module for electrocoagulating contaminated waste water

#195
20180148351
2018-05-31

System and associated methodology to clean contaminants from a flowing stream

#196
20180134597
2018-05-17

Method for actively treating mining wastewater for pigment production

#197
20180119079
2018-05-03

SYMBIOTIC ALGAE SYSTEM

#198
20180118582
2018-05-03

METHOD OF HYDRATING A PERFORMANCE ANIMAL WHEN TRAVELING

#199
20180111857
2018-04-26

Water cleaning agent and water cleaning method

#200
20180111110
2018-04-26

Filtration aid and filtration treatment method

#201
20180099294
2018-04-12

Separator device

#202
20180094384
2018-04-05

Oxidative method

#203
20180079663
2018-03-22

METHOD AND APPARATUS FOR TREATING ACIDIC LIQUID CONTAINING METAL IONS

#204
20180072591
2018-03-15

System and method to treat fluids by sonoelectrochemistry

#205
20180065940
2018-03-08

METAL-BINDING COMPOUNDS, HETEROLOGOUS PRODUCTION AND USES THEREOF

#206
20180050939
2018-02-22

Super Oxide Water Treatment

#207
20180044571
2018-02-15

COMBINED USES OF A PHOSPHOROUS COMPOUND FOR IRON SULPHIDE DISSOLUTION AND BACTERIAL CONTROL

#208
20180037481
2018-02-08

Column thickener and a process thereof for dewatering of iron ore slurry

#209
20180029907
2018-02-01

WATER TREATMENT METHOD AND WATER TREATMENT SYSTEM

#210
20180022621
2018-01-25

Control of industrial water treatment via digital imaging

#211
20170368556
2017-12-28

Composition and method for treating and remediating aqueous waste streams

#212
20170362108
2017-12-21

HYBRID ACTIVATED IRON-BIOLOGICAL WATER TREATMENT SYSTEM AND METHOD

#213
20170341956
2017-11-30

SYSTEM FOR DYNAMIC FLUIDIZED LOADING OF A LIGAND UPON CARBON MEDIA AND METHODS ASSOCIATED THEREWITH

#214
20170319988
2017-11-09

Removal of Suspended Solids from Waste Water

#215
20170283280
2017-10-05

Method for the desalination of supersaturated hot water

#216
20170274431
2017-09-28

Mine drainage remediation using barium carbonate dispersed alkaline substrate

#217
20170267561
2017-09-21

System and method for removing iron from waste water

#218
20170266618
2017-09-21

WATER PRODUCTION METHOD

#219
20170259242
2017-09-14

Organic-inorganic hybrid nanoporous silica material and method for preparing same

#220
20170253814
2017-09-07

Removal of iron contaminants from hydrocarbon oils and aqueous by-products of oil and gas recovery/production

#221
20170216833
2017-08-03

Sulfonated aminomethylated chelate resins

#222
20170210655
2017-07-27

Method for the biological treatment of sulphate containing waste water, via reduction of sulphate to sulphide then its oxidation to elemental sulphur

#223
20170210639
2017-07-27

Water purification

#224
20170210623
2017-07-27

SYSTEMS AND METHODS FOR CREATING AN OXIDATION REDUCTION POTENTIAL (ORP) IN WATER FOR PATHOGENIC CLEANSING AND/OR DEGREASING OF HARD SURFACES AND EQUIPMENT

#225
20170203979
2017-07-20

Sea water reverse osmosis system to reduce concentrate volume prior to disposal

#226
20170203236
2017-07-20

Method of Treating Flowback Fluid from a Well

#227
20170167152
2017-06-15

Composition and method for water conditioning

#228
20170157592
2017-06-08

Particulate sorption medium prepared from partially decomposed organic matter

#229
20170152977
2017-06-01

Separator device

#230
20170120172
2017-05-04

Water reclamation system and method

#231
20170101330
2017-04-13

Water treatment apparatus using electrostatic field

#232
20170092396
2017-03-30

Amphiphilic magnetic nanoparticles and aggregates to remove hydrocarbons and metal ions and synthesis thereof

#233
20170073260
2017-03-16

WASTEWATER TREATMENT SYSTEMS AND METHODS

#234
20170066667
2017-03-09

Ozone-assisted fluid treatment apparatus and method

#235
20170057850
2017-03-02

Composition and method for remediation of contaminated water

#236
20170044035
2017-02-16

OILFIELD WASTEWATER TREATMENT

#237
20160318775
2016-11-03

Process, device and system for treatment of water

#238
20160317952
2016-11-03

Coated granular filtration media

#239
20160289098
2016-10-06

Microscale-based device for purifying fluid and method of use

#240
20160236158
2016-08-18

Nanobubble-containing liquid solutions

#241
20160229709
2016-08-11

Contaminant removal from water bodies with biochar

#242
20160221850
2016-08-04

Hydrophobically modified polyamine scale inhibitors

#243
20160194223
2016-07-07

Methods of separating impurities from industrial minerals using electrocoagulation

#244
20160176735
2016-06-23

Use of percarboxylic acids for scale prevention in treatment systems

#245
20160152563
2016-06-02

Solid supported trithiol compounds for removing heavy metals from solution, and filtration systems utilizing the compounds

#246
20160107902
2016-04-21

System for the treatment of wastewater

#247
20160090318
2016-03-31

METHODS OF INHIBITING MICROORGANISM GROWTH USING MOSS

#248
20160083277
2016-03-24

Hydrophobically modified polyamine scale inhibitors

#249
20160083276
2016-03-24

Composition and method for water conditioning

#250
20160068417
2016-03-10

Systems and method of water treatment utilizing reactive oxygen species and applications thereof

#251
20160052808
2016-02-25

Zero valent iron systems and methods for treatment of contaminated wastewater

#252
20150345024
2015-12-03

Method for regenerating plating solution

#253
20150336808
2015-11-26

TREATMENT OF WASTEWATER

#254
20150315046
2015-11-05

HEAVY-METAL REMOVAL METHOD AND HEAVY-METAL REMOVAL DEVICE

#255
20150315044
2015-11-05

Apparatus for metallic particles separation

#256
20150307375
2015-10-29

PREVENTING MOBILIZATION OF TRACE METALS IN SUBSURFACE AQUIFERS DUE TO THE INTRODUCTION OF OXYGENATED WATER

#257
20150290655
2015-10-15

Magnetic separator and release tool therefor

#258
20150232361
2015-08-20

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

#259
20150232349
2015-08-20

Modified biochar treatment media, system and method

#260
20150210574
2015-07-30

Treatment using fixed film processes and ballasted settling

#261
20150183667
2015-07-02

Metalloid contaminated water solution purification process for safe human consumption-rated reduction of contaminant concentration therein, by precipitation without oxidation

#262
20150165448
2015-06-18

Separator device

#263
20150152309
2015-06-04

Treated geothermal brine compositions with reduced concentrations of silica, iron and lithium

#264
20150151991
2015-06-04

NEUTRALIZATION METHOD

#265
20150151220
2015-06-04

Separator device

#266
20150122711
2015-05-07

Systems for fluid treatment having fluid release cycle

#267
20150096928
2015-04-09

Separator device for a heating system

#268
20150083662
2015-03-26

Anaerobic suspended growth treatment of contaminated water

#269
20150068964
2015-03-12

Magnetic filtration device

#270
20150048025
2015-02-19

Treatment of iron contaminated liquids with an activated iron solids (AIS) process

#271
20150041404
2015-02-12

Treatment of acid mine drainage

#272
20150041390
2015-02-12

CARBON BLOCK FILTER FOR REMOVAL OF HEAVY METALS AND METHOD FOR MANUFACTURING THE SAME

#273
20150004054
2015-01-01

Corrosion control methods

#274
20140366535
2014-12-18

Process for producing geothermal power, selective removal of silica and iron from brines, and improved injectivity of treated brines

#275
20140346114
2014-11-27

Technique for removal of organics and dissolved solids from aqueous medias via supercritical treatment

#276
20140326677
2014-11-06

Treatment of produced water

#277
20140299525
2014-10-09

Ozone-assisted fluid treatment apparatus

#278
20140275473
2014-09-18

Process for purification of diphenyl carbonate for the manufacturing of high quality polycarbonate

#279
20140231041
2014-08-21

Treated geothermal brine compositions with reduced concentrations of iron and silica

#280
20140190907
2014-07-10

Upper-layer cleaning device for water treatment device, and method for cleaning water treatment device filter layer

#281
20140187452
2014-07-03

Treated geothermal brine compositions with reduced concentrations of silica, iron and manganese

#282
20140175016
2014-06-26

System for water treatment and method

#283
20140174745
2014-06-26

Treated geothermal brine compositions with reduced concentrations of silica, iron, and zinc

#284
20140166583
2014-06-19

Process for treating acid mine drainage

#285
20140165563
2014-06-19

Treated brine compositions with reduced concentrations of potassium, rubidium, and cesium

#286
20140144845
2014-05-29

Method for water treatment regeneration stage

#287
20140124453
2014-05-08

Chemical co-precipitation process for recovery of flow-back water, produced water and wastewater of similar characteristics

#288
20140124447
2014-05-08

Formulations and methods for removing heavy metals from waste solutions containing chelating agents

#289
20140048470
2014-02-20

System for Treating Water From Induced Hydraulic Fracturing

#290
20140021137
2014-01-23

Method for the treatment of wastewater

#291
20140001124
2014-01-02

SYSTEM FOR OXIDATION OF ARSENIC (III) IN GROUNDWATERS WITH HIGH IRON AND MANGANESE CONCENTRATIONS AND METHOD THEREFOR

#292
20130319951
2013-12-05

Calcium and Aluminum Chlorides for Sulfate Removal from Water

#293
20130306532
2013-11-21

System for treating water used for industrial process

#294
20130292337
2013-11-07

Polymeric iron chelating agent

#295
20130292317
2013-11-07

Stormwater Catch Basin Filter for Capturing Heavy Metal Contaminants

#296
20130277208
2013-10-24

Apparatus and method for advanced electrochemical modification of liquids

#297
20130131253
2013-05-23

Metal scavenging polymers and uses thereof

#298
20130075313
2013-03-28

Water softener with closed-pressure aeration

#299
20130058846
2013-03-07

Method for processing acidic solution that contains iodide ions and iron ions

#300
20130037487
2013-02-14

POLY (SULFOAMINOANTHRAQUINONE) MATERIALS AND METHODS FOR THEIR PREPARATION AND USE