ClassID:

86462

C02F2101/103 - CPC Classification

Classification description:

Nature of the contaminant; Inorganic compounds Arsenic compounds

Recent Application in this class:
#1
20260102764
2026-04-16

CHROMIUM AND ARSENIC SEPARATIONS USING POROUS ORGANIC FRAMEWORKS

#2
20260042083
2026-02-12

Surface Modified Support for Metal Adsorption and Methods of Using Thereof

#3
20260021468
2026-01-22

METHOD FOR PREPARING A FUNCTIONALISED GEOPOLYMER INVOLVING 3D PRINTING, SAID GEOPOLYMER AND ITS USES

#4
20250360485
2025-11-27

Product for Adsorption

#5
20250353769
2025-11-20

WATER TREATMENT SYSTEM USING A MAGNETIC CONFINEMENT METHOD

#6
20250340466
2025-11-06

METHODS OF TREATING WATER TO REMOVE SELENIUM OR MERCURY

#7
20250326666
2025-10-23

REGENERABLE ANODIZED POROUS ALUMINA DEVICE AND A METHOD OF FABRICATION THEREOF

#8
20250222428
2025-07-10

POROUS NANOCOMPOSITES

#9
20250161918
2025-05-22

STABILISED ZINC OXIDE MATERIALS

#10
20250115497
2025-04-10

SULFATE REMOVAL FROM WATER

#11
20250065299
2025-02-27

LAYERED MULTI-METAL-OXIDE-BASED MAGNETIC BIOCHAR AND PREPARATION METHOD AND USE THEREOF

#12
20250042793
2025-02-06

MANGANESE CARBONATE-SUPPORTED FERRIHYDRITE MATERIAL, AND PREPARATION AND USE THEREOF

#13
20250011207
2025-01-09

Methods of treating water

#14
20250011202
2025-01-09

MODIFIED LIQUID ACTIVATED CARBON (FE-LAC) FOR IN-SITU ARSENIC REMOVAL

#15
20250011200
2025-01-09

PHOTOELECTROCHEMICAL (PEC) SYSTEM AND METHOD, AND REDOX-FUNCTIONALIZED PHOTOELECTRODE FOR SEPARATION OF IONS

#16
20240417299
2024-12-19

MOLECULAR MODIFICATION PROCESS FOR WASTEWATER TREATMENT AND PURIFICATION

#17
20240368008
2024-11-07

ENHANCED INORGANIC COAGULANTS FOR WASTEWATER TREATMENT

#18
20240308879
2024-09-19

USE OF BASALT FOR ADSORBING TOXIC MATERIAL

#19
20240299908
2024-09-12

AZO-LINKED ORGANIC POLYMERS FOR CARBON DIOXIDE CAPTURE AND METAL ION REMOVAL

#20
20240294400
2024-09-05

BASALT FIBER FOR ADSORBING TOXIC MATERIAL

#21
20240294399
2024-09-05

USE OF BASALT FIBER TO ADSORB TOXIC MATERIAL

#22
20240286937
2024-08-29

HEAVY METAL TREATMENT AGENT, AND METHOD FOR TREATING INCINERATED ASH AND WASTEWATER USING SAME

#23
20240278209
2024-08-22

COMPOSITIONS AND METHODS FOR TOXIC SPECIES REMOVAL FROM FLUID

#24
20240269660
2024-08-15

OXIDATIVE AND ADSORPTIVE CATALYTIC MEDIA

#25
20240253010
2024-08-01

ADVANCED ANTIMICROBIAL AND CHEMICAL FILTERS FOR GAS AND WATER SYSTEMS

#26
20240228305
2024-07-11

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

#27
20240173695
2024-05-30

Organic Soil Amendments with Ions Bound Thereto for Removing Contaminants from Aqueous Streams

#28
20240140849
2024-05-02

Water Treatment Modules and Method of Use Thereof

#29
20240140845
2024-05-02

REMOVAL OF ARSENIC, ANTIMONY AND TOXIC METALS FROM CONTAMINATED SUBSTRATE

#30
20240132389
2024-04-25

Treatment of saline water for agricultural and potable use

#31
20240092662
2024-03-21

METHOD FOR REMOVING HEAVY METAL FROM WATER

#32
20240024844
2024-01-25

MODIFIED NANOSCALE ZERO-VALENT IRON (NZVI) AND PREPARATION METHOD AND APPLICATION THEREOF

#33
20230406727
2023-12-21

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

#34
20230331612
2023-10-19

METHOD FOR CIRCULARLY PURIFYING METALLURGICAL ARSENIC-CONTAINING ACIDIC WASTE LIQUID AND RECOVERING SULFUR

#35
20230242423
2023-08-03

Extract of plant powder, and water purifier

#36
20230241576
2023-08-03

COMPOSITE MATERIAL AND METHOD FOR REMOVING POLLUTANT FROM POLUTED WATER

#37
20230219055
2023-07-13

Functional material for synchronously stabilizing multiple metals and preparation method thereof, and method for rehabilitating soil or wastewater contaminated by heavy metals (metalloids)

#38
20230202945
2023-06-29

Gasification and Fischer-Tropsch process waste water treatment

#39
20230054712
2023-02-23

Electrodialysis systems with decreased concentration gradients at high recovery rates

#40
20220411302
2022-12-29

Process for treating acid mine drainage

#41
20220387966
2022-12-08

Removing contaminants from water with adsorbents

#42
20220340462
2022-10-27

Method of fixing arsenic using activated biochar

#43
20220323936
2022-10-13

Organic soil amendments with ions bound thereto for removing contaminants from aqueous streams

#44
20220315463
2022-10-06

METHOD OF TREATING WATER CONTAINING ARSENIC AND MANGANESE

#45
20220315452
2022-10-06

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

#46
20220259075
2022-08-18

N-ALKYL-D-GLUCAMINE BASED MACROPOROUS POLYMERIC CRYOGEL FOR SEQUESTERING AND/OR REMOVING TOXIC CONTAMINANTS

#47
20220234932
2022-07-28

Method of reducing and controlling hazardous substance in process of high-value biological conversion of urban organic waste

#48
20220227653
2022-07-21

Titania-based treatment solution and method of promoting precipitation and removal of heavy metals from an aqueous source

#49
20220219135
2022-07-14

Composite materials and methods of making and use thereof

#50
20220204369
2022-06-30

METHODS OF TREATING WATER TO REMOVE SELENIUM OR MERCURY

#51
20220162094
2022-05-26

High performance electrocoagulation systems for removing water contaminants

#52
20220119283
2022-04-21

TARGET SPECIES RECOVERY AND RELATED SYSTEMS AND METHODS

#53
20220112110
2022-04-14

Method for sequestering ions in an environmental matrix

#54
20220098838
2022-03-31

Universal water fountain filter head

#55
20220055926
2022-02-24

METHOD FOR THE PRECIPITATION OF ARSENIC AND HEAVY METALS FROM ACIDIC PROCESS WATER

#56
20220054983
2022-02-24

Fluid purification filters and the method of fluid purification using the same

#57
20220017390
2022-01-20

METHOD FOR THE PRECIPITATION OF ARSENIC AND HEAVY METALS FROM ACIDIC PROCESS WATER

#58
20210380444
2021-12-09

Extract of plant powder, and water purifier

#59
20210370205
2021-12-02

REMOVAL OF WATER CONTAMINANTS USING ENHANCED CERAMIC FILTRATION MATERIALS

#60
20210364398
2021-11-25

System and method for preservation, transport, and analysis of water samples

#61
20210363037
2021-11-25

METHOD OF TREATING WATER CONTAINING ARSENIC AND MANGANESE

#62
20210347656
2021-11-11

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

#63
20210346863
2021-11-11

Adsorbents, systems and methods for the removal of heavy metals from contaminated water

#64
20210292192
2021-09-23

METHODS AND USES OF ENCAPSULATED EXUDATES AND DRIED EUGLENA BIOMASS FOR BINDING METAL

#65
20210291122
2021-09-23

Rare earth treatment of membranes to remove contaminants

#66
20210246050
2021-08-12

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

#67
20210245137
2021-08-12

CORE-SHELL IRON OXIDE-POLYMER NANOFIBER COMPOSITES FOR REMOVAL OF HEAVY METALS FROM DRINKING WATER

#68
20210206675
2021-07-08

Surface water mitigation structure

#69
20210147260
2021-05-20

Water purification apparatus and water purification method using layered double hydroxide

#70
20210087076
2021-03-25

Porous nanocomposites

#71
20210060522
2021-03-04

GRAPHENE-BASED MATERIALS FOR THE EFFICIENT REMOVAL OF POLLUTANTS FROM WATER

#72
20210053851
2021-02-25

Compositions and methods for treatment of mine tailings

#73
20210032126
2021-02-04

Method for processing metallurgical waste acid

#74
20210016246
2021-01-21

Multi-functionalized basic immobilized amine sorbents for removal of metal contaminants from wastewater

#75
20210009442
2021-01-14

Filter for water purifier and water purifier including the same

#76
20200398252
2020-12-24

Multifunctional porous materials for water purification and remediation

#77
20200385299
2020-12-10

Treatment of saline water for agricultural and potable use

#78
20200369539
2020-11-26

Water-purifying agent and water purification method

#79
20200361792
2020-11-19

Apparatus to remove harmful chemical species from industrial wastewater using iron-based products

#80
20200354237
2020-11-12

Water purification compositions and the method of producing the same

#81
20200324249
2020-10-15

Electrodialysis systems with decreased concentration gradients at high recovery rates

#82
20200306725
2020-10-01

Ca-Y-carbonate nanosheets, their use, and synthesis

#83
20200299150
2020-09-24

Multi-stage water filtration system

#84
20200290014
2020-09-17

Nano-enabled activated carbon blocks to enable removal of oxyanions from water

#85
20200206725
2020-07-02

Hybrid sorbent

#86
20200198985
2020-06-25

Procedure for obtaining scorodite with a high arsenic content from acidic solutions with high content of sulfuric acid

#87
20200156968
2020-05-21

Enhanced inorganic coagulants for wastewater treatment

#88
20200140290
2020-05-07

Remediation of physiologically active compounds from waste water

#89
20200140289
2020-05-07

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

#90
20200071219
2020-03-05

Control of aqueous arsenic, selenium, mercury or other metals from flue gas

#91
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

#92
20200039844
2020-02-06

Process, device and system for treatment of water

#93
20200010343
2020-01-09

Mixed aluminum (III) and iron (II) salt solution for enhancing the hybrid zero-valent iron media system reactivity for treating metal-contaminated wastewater

#94
20200002193
2020-01-02

Water purification compositions and the method of producing the same

#95
20200002189
2020-01-02

Removing arsenic from water with acid-activated clay

#96
20190376154
2019-12-12

Filter media for the removal of particles, ions, and biological materials, and decolorization in a sugar purification process, and use thereof

#97
20190359512
2019-11-28

System for removing minerals from a brine

#98
20190359503
2019-11-28

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

#99
20190359501
2019-11-28

Process for preparation of granular material

#100
20190358592
2019-11-28

Nanoadsorbent based user-friendly household filter for the purification of fluoride and arsenic contaminated drinking water

#101
20190352203
2019-11-21

Selenium removal using aluminum salt at conditioning and reaction stages to activate zero-valent iron (ZVI) in pironox process

#102
20190344221
2019-11-14

SYSTEM AND METHOD FOR PREVENTING MEMBRANE FOULING IN REVERSE OSMOSIS PURIFICATION SYSTEMS UTILIZING HYDRODYNAMIC CAVITATION

#103
20190322554
2019-10-24

Titania-based treatment solution and method of promoting precipitation and removal of heavy metals from an aqueous source

#104
20190300403
2019-10-03

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

#105
20190284073
2019-09-19

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

#106
20190284063
2019-09-19

Method for removing heavy metals from wastewater

#107
20190270656
2019-09-05

Process for reducing the concentration of arsenic in an aqueous solution comprising a fluoroacid

#108
20190241847
2019-08-08

SYMBIOTIC ALGAE SYSTEM

#109
20190210901
2019-07-11

Surface water mitigation structure

#110
20190201821
2019-07-04

Water filter assembly

#111
20190161364
2019-05-30

Water reclamation system and method

#112
20190152823
2019-05-23

Treatment of thick fine tailings including chemical immobilization, polymer flocculation and dewatering

#113
20190151837
2019-05-23

Composite material comprising porous silicate particles and active metals

#114
20190135672
2019-05-09

Concentration of wastewater to reduce flow rate, cost, and footprint of treatment system

#115
20190118138
2019-04-25

Process for the removal of heavy metals from fluids

#116
20190106337
2019-04-11

Compositions and Methods for Removal of Arsenic and Heavy Metals from Water

#117
20190092649
2019-03-28

Wastewater treatment systems and methods

#118
20190084845
2019-03-21

Method and process arrangement of removing cations from water

#119
20190071337
2019-03-07

BIOCONVERSION PROCESSES AND APPARATUS

#120
20190047889
2019-02-14

Compact water purification unit

#121
20190039919
2019-02-07

Method and apparatus for treating contaminated fluid medium

#122
20190023585
2019-01-24

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

#123
20190016609
2019-01-17

Method of removing arsenic from a liquid

#124
20190010118
2019-01-10

Guanidine compounds for removal of oxyanions from aqueous solutions and for carbon dioxide capture

#125
20190002309
2019-01-03

Surfactant-assisted synthesis of surface-functionalized nanoparticle-polymer electrospun composites

#126
20180370819
2018-12-27

Selective adsorbent fabric for water purification

#127
20180354840
2018-12-13

Method for immobilizing arsenic, and arsenic-containing vitrified waste

#128
20180348110
2018-12-06

METHOD FOR OPTIMIZING WATER FILTRATION MEDIA FORMULATION FOR A PURIFICATION SYSTEM

#129
20180320343
2018-11-08

Universal water fountain filter head

#130
20180304230
2018-10-25

Star-shape nanoparticle and a method of using thereof to detect arsenic in a solution

#131
20180280923
2018-10-04

Engineered nanoparticles for aqueous applications

#132
20180273401
2018-09-27

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

#133
20180222782
2018-08-09

ANAEROBIC SUSPENDED GROWTH TREATMENT OF CONTAMINATED WATER

#134
20180222772
2018-08-09

Removal of arsenic from aqueous streams with cerium (IV) oxide compositions

#135
20180208483
2018-07-26

Use of basalt to adsorb toxic material

#136
20180186661
2018-07-05

Proppants for removal of contaminants from fluid streams and methods of using same

#137
20180178189
2018-06-28

METHOD FOR DESORPTION OF METAL OXYANIONS FROM SUPERPARAMAGNETIC IRON OXIDE NANOPARTICLES (SPION)

#138
20180170772
2018-06-21

Process and apparatus for purification of water

#139
20180134583
2018-05-17

Liquid treatment system and method

#140
20180134582
2018-05-17

Water filtration apparatus and a method of using thereof

#141
20180134581
2018-05-17

Metal-organic frameworks for adsorption of liquid phase compounds

#142
20180133708
2018-05-17

Hybrid ion exchange material and method for making the same

#143
20180133683
2018-05-17

Method for producing a filter material containing iron for the treatment of water

#144
20180119079
2018-05-03

SYMBIOTIC ALGAE SYSTEM

#145
20180118587
2018-05-03

Methods of removing fines and coarse particles from oil sand tailings, and related mixtures

#146
20180111857
2018-04-26

Water cleaning agent and water cleaning method

#147
20180111110
2018-04-26

Filtration aid and filtration treatment method

#148
20180105441
2018-04-19

Devices and methods for removing dissolved ions from water using composite resin electrodes

#149
20180099877
2018-04-12

Iron based media

#150
20180086650
2018-03-29

Modification of iron-based media for water treatment

#151
20180072594
2018-03-15

Device for electrocoagulation and process

#152
20180065864
2018-03-08

Liquid treatment method and liquid treatment apparatus

#153
20180065863
2018-03-08

Water filter and assembly thereof

#154
20180056269
2018-03-01

Manganese dioxide nanowire @ multidimensional mesoporous metal-organic framework adsorbent and preparation therefor

#155
20180056268
2018-03-01

Hollow iron-manganese composite material prepared by etching template process and application thereof

#156
20180050945
2018-02-22

Manifold 3-stage water filtration system with heavy metals removal

#157
20180029010
2018-02-01

Method for removal of metals from aqueous solutions using bio adsorbents

#158
20180015429
2018-01-18

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

#159
20170362108
2017-12-21

HYBRID ACTIVATED IRON-BIOLOGICAL WATER TREATMENT SYSTEM AND METHOD

#160
20170362092
2017-12-21

Filtration system for pet water fountain

#161
20170348672
2017-12-07

PHOTOCATALYST PARTICLE, METHOD FOR DECOMPOSING ORGANIC COMPOUND CONTAINED IN ALKALINE AQUEOUS SOLUTION WITH THE SAME, AND METHOD FOR CONVERTING TOXIC IONS CONTAINED IN ALKALINE AQUEOUS SOLUTION INTO NON-TOXIC IONS

#162
20170341963
2017-11-30

Methods and systems for remediation of heavy metals in combustion waste

#163
20170341959
2017-11-30

WATER TREATMENT USING A CRYPTOCRYSTALLINE MAGNESITE - BENTONITE CLAY COMPOSITE

#164
20170341954
2017-11-30

URANIUM CAPTURE ON INORGANIC-ORGANIC GRAPHITE-BASED HYBRID MATERIAL: ADSORBENT MATERIAL FOR MINING RECLAMATION AND DOMESTIC WATER USES

#165
20170334746
2017-11-23

Preferential removal of hexavalent chromium from contaminated water

#166
20170334741
2017-11-23

Selective adsorbent fabric for water purification

#167
20170326479
2017-11-16

WATER FILTER

#168
20170322127
2017-11-09

System and method for preservation, transport, and analysis of water samples

#169
20170274431
2017-09-28

Mine drainage remediation using barium carbonate dispersed alkaline substrate

#170
20170266642
2017-09-21

High temperature layered mixed-metal oxide materials with enhanced stability

#171
20170259243
2017-09-14

METAL OXIDE COATED DIATOMITE AGGREGATE AND USE THEREOF AS ADSORBENT AND FERTILIZER

#172
20170247268
2017-08-31

Devices and methods for removing dissolved ions from water using composite resin electrodes

#173
20170241970
2017-08-24

Process for the detection and adsorption of arsenic

#174
20170240435
2017-08-24

POLYMERIC HYBRID PARTICLE CONTAINING NANO PARTICLES AND USES

#175
20170225991
2017-08-10

ELECTROCHEMICAL REMOVAL OF ARSENIC

#176
20170225969
2017-08-10

POROUS ORGANIC POLYMERS FOR BINDING HEAVY METALS

#177
20170225968
2017-08-10

Filter media for removal of Arsenic from Potable Water with iron-impregnated activated carbon enhanced with titanium oxide

#178
20170217790
2017-08-03

REMOVAL OF CONTAMINANTS FROM A FLUID INVOLVING IN-SITU GENERATION OF ADSORPTION FILTRATION MEDIA OR REACTIVE COMPONENTS

#179
20170210639
2017-07-27

Water purification

#180
20170204334
2017-07-20

Methods of removing fines and coarse particles from oil sand tailings

#181
20170173558
2017-06-22

ADSORBENT WITH MULTIPLE LAYERS

#182
20170158528
2017-06-08

Cross-linked polymeric resin and methods for wastewater treatment

#183
20170157592
2017-06-08

Particulate sorption medium prepared from partially decomposed organic matter

#184
20170144911
2017-05-25

Removal of arsenic from contaminated aqueous solutions

#185
20170129792
2017-05-11

Selenium removal using aluminum salt at conditioning and reaction stages to activate zero-valent iron (ZVI) in pironox process

#186
20170129791
2017-05-11

Method to prepare a coated current collector electrode for a flow through capacitor using two solvents with different boiling temperature

#187
20170120172
2017-05-04

Water reclamation system and method

#188
20170113949
2017-04-27

Method for reducing arsenic concentration in aqueous solutions

#189
20170107122
2017-04-20

RAW WATER TREATMENT METHOD

#190
20170092396
2017-03-30

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

#191
20170088439
2017-03-30

Removal of Arsenic from Liquids

#192
20170081227
2017-03-23

Concentrating of wastewater to reduce flow rate, cost, and footprint of treatment system

#193
20170081220
2017-03-23

Water treatment system having tubular modules

#194
20170065961
2017-03-09

Nanostructured sand, process for producing nanostructured sand, process for separating a pollutant-water mixture with the nanostructured sand and further uses

#195
20170043331
2017-02-16

Polymeric nanocomposite films with embedded channels and methods for their preparation and use

#196
20170014733
2017-01-19

Use of a fiber conduit contactor for extraction

#197
20160375433
2016-12-29

Inorganic material for removing harmful substance from wastewater and method of preparing the same, and method for wastewater treatment

#198
20160360745
2016-12-15

Compositions for Purification

#199
20160332137
2016-11-17

Medium material and its preparation method for elimination of arsenic pollution from groundwater

#200
20160326026
2016-11-10

METHODS AND SYSTEMS FOR SEPARATING IONS FROM FLUIDS

#201
20160318775
2016-11-03

Process, device and system for treatment of water

#202
20160297695
2016-10-13

Method for selective electrochemical removal of ions in water/wastewater

#203
20160297690
2016-10-13

Removal of oil recovery chemicals from production fluids

#204
20160288084
2016-10-06

Dolomite-based heavy metal adsorbent, preparation, and use for adsorbing heavy metal, halogen and metalloid

#205
20160271580
2016-09-22

Process for preparing a microporous carbon material and its use as absorption product

#206
20160264432
2016-09-15

METHOD FOR REMOVING HEAVY METALS FROM WATER

#207
20160256865
2016-09-08

Hybrid ion exchange material and method for making the same

#208
20160244342
2016-08-25

Iron-functionalized alginate for phosphate and other contaminant removal and recovery from aqueous solutions

#209
20160236958
2016-08-18

Gravity feed water treatment system

#210
20160229709
2016-08-11

Contaminant removal from water bodies with biochar

#211
20160229707
2016-08-11

WATER PURIFICATION COMPOSITIONS OF MAGNESIUM OXIDE AND APPLICATIONS THEREOF

#212
20160220956
2016-08-04

Reverse Osmosis Membrane Filter Having Fluid Channel Formed On Side Surface Thereof

#213
20160207796
2016-07-21

Organic-pollution-resistant ion exchange resin and preparation method and application thereof

#214
20160203893
2016-07-14

Magnetic hydrotalcite composite and production method thereof

#215
20160200598
2016-07-14

Water filtration system having selectively configurable filtration capabilities

#216
20160175807
2016-06-23

Aluminized silicious powder and water purification device incorporating same

#217
20160159674
2016-06-09

Methods and systems for reducing biofouling of microfiltration membranes

#218
20160152563
2016-06-02

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

#219
20160145134
2016-05-26

System and method for treating contaminated wastewater

#220
20160096747
2016-04-07

Compositions and methods for selective anion removal

#221
20160075572
2016-03-17

Cathode, electrochemical cell and its use

#222
20160060144
2016-03-03

Method of removing particulate silicon from an effluent water

#223
20160060140
2016-03-03

IMMOBILIZATION OF PARTICLES ON A MATRIX

#224
20160052800
2016-02-25

Filter material having a function of adsorbing and fixing arsenic and heavy metals

#225
20160046512
2016-02-18

Use of a dual polymer system for enhanced water recovery and improved separation of suspended solids and other substances from an aqueous media

#226
20160023921
2016-01-28

Method for making activated carbon-supported transition metal-based nanoparticles

#227
20160008805
2016-01-14

Microwave assisted synthesis of metal dioxide based hybrid media

#228
20160008396
2016-01-14

Rare earth metal compounds, methods of making, and methods of using the same

#229
20160002067
2016-01-07

IMMOBILIZED LIGANDS FOR THE REMOVAL OF METAL IONS AND METHODS THEREOF

#230
20150375302
2015-12-31

METAL NANOPARTICLES AND METHODS FOR THEIR PREPARATION AND USE

#231
20150368122
2015-12-24

FILTER FOR THE TREATMENT OF LIQUIDS WITH MAGNETITE NANOPARTICLES AND CORRESPONDING METHODS

#232
20150353982
2015-12-10

MICRO-EVOLUTION OF MICROBES

#233
20150353393
2015-12-10

Electrobiochemical reactor and related method to enhance microbial/enzyme function in transforming or removing contaminants from a liquid

#234
20150336883
2015-11-26

Heavy metal remediation via sulfur-modified bio-oils

#235
20150267276
2015-09-24

Removal of arsenic using a dissimilatory arsenic reductase

#236
20150251927
2015-09-10

Removal of arsenic from aqueous streams with cerium (IV) oxide compositions

#237
20150232361
2015-08-20

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

#238
20150232350
2015-08-20

Proppants for removal of contaminants from fluid streams and methods of using same

#239
20150218015
2015-08-06

Polymer beads incorporating solid particulate material

#240
20150203377
2015-07-23

System for removing minerals from a brine using electrodialysis

#241
20150197758
2015-07-16

Bacterial strains, plasmids, method of producing bacterial strains capable of chemolithotrophic arsenites oxidation and uses thereof

#242
20150183667
2015-07-02

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

#243
20150166366
2015-06-18

Inorganic nanoparticle of magnetic ferro-imogolite for removing trace elements

#244
20150158749
2015-06-11

Selective extraction of anions from solution

#245
20150144566
2015-05-28

System for removing minerals from a brine

#246
20150136674
2015-05-21

Apparatuses and Methods for Purifying Liquids

#247
20150129507
2015-05-14

Treatment of arsenic contaminated soil and water

#248
20150083662
2015-03-26

Anaerobic suspended growth treatment of contaminated water

#249
20150041409
2015-02-12

Reactive treatment cell and systems for environmental remediation

#250
20150034560
2015-02-05

Method for selectively binding and separating phosphate anions

#251
20140374650
2014-12-25

Water purification compositions of magnesium oxide and applications thereof

#252
20140353253
2014-12-04

Composite membrane with multi-layered active layer

#253
20140339468
2014-11-20

Method for separating arsenic and heavy metals in an acidic washing solution

#254
20140321916
2014-10-30

System and method for remediating contaminated soil by separation of highly contaminated coarse soil

#255
20140314951
2014-10-23

Multilayer organic-templated-boehmite-nanoarchitecture for water purification

#256
20140260468
2014-09-18

Iron-functionalized alginate for phosphate and other contaminant removal and recovery from aqueous solutions

#257
20140231041
2014-08-21

Treated geothermal brine compositions with reduced concentrations of iron and silica

#258
20140190898
2014-07-10

Cactus mucilage and ferric ions for the removal of arsenate (As(V)) from water

#259
20140175005
2014-06-26

Filter assembly and systems/methods of dispensing from and storing the filter assembly

#260
20140158630
2014-06-12

High capacity perchlorate-selective resins from hyperbranched macromolecules

#261
20140151301
2014-06-05

Method for treating arsenic-containing aqueous solution

#262
20140124447
2014-05-08

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

#263
20140120253
2014-05-01

Method for regulating the structure and properties of the composite nanoabsorbent

#264
20140116949
2014-05-01

ADSORBENT COMPOSITION BY A GREEN PROCESS AND A PROCESS FOR TOXIC METAL ION REMOVAL

#265
20140076805
2014-03-20

Use of a fiber conduit contactor for metal and/or metalloid extraction

#266
20140073775
2014-03-13

Cellulose phosphate powder product and process for manufacture thereof, and application to removal of contaminants from aqueous solutions

#267
20140066529
2014-03-06

Nanoporous silica polyamine composites with surface-bound zirconium (IV) and methods of use

#268
20140042065
2014-02-13

Treatment stages for selenium removal

#269
20140001125
2014-01-02

Nanostructure material supporting arsenic ion adsorption compound and method to remove arsenic ion using the same

#270
20140001124
2014-01-02

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

#271
20140001123
2014-01-02

Aluminized silicious powder and water purification device incorporating same

#272
20130335731
2013-12-19

System and method for analyzing water samples in a water processing facility

#273
20130319946
2013-12-05

Bi-metal nanoadsorbents and methods for their preparation and use

#274
20130316898
2013-11-28

Composite adsorbent material

#275
20130292338
2013-11-07

Iron coordination polymers for adsorption of arsenate and phosphate

#276
20130270189
2013-10-17

Treatment of contaminated impound water

#277
20130233802
2013-09-12

Renewable resource-based metal oxide-containing materials and applications of the same

#278
20130228522
2013-09-05

Arsenic removal system

#279
20130200001
2013-08-08

Synthesis method for magnetite and birnessite aggregate-form mixture

#280
20130180925
2013-07-18

Method for the synthesis of tetravalent manganese feroxyhite for arsenic removal from water

#281
20130178356
2013-07-11

ABSORBENT FOR HEAVY METAL AND FILTER DEVICE INCLUDING THE SAME

#282
20130168321
2013-07-04

Nitrogen-containing activated carbon material

#283
20130131253
2013-05-23

Metal scavenging polymers and uses thereof

#284
20130099153
2013-04-25

HYBRID MATERIAL COMPRISING GRAPHENE AND IRON OXIDE, METHOD FOR MANUFACTURING THE SAME, AND APPARATUS FOR TREATING WASTE WATER USING THE SAME

#285
20130098756
2013-04-25

Apparatus and method for brine separation and reuse

#286
20130048567
2013-02-28

Method for removing contaminants from water using thiol-modified surfaces containing ester linkages

#287
20130037487
2013-02-14

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

#288
20120322696
2012-12-20

Proppants for removal of contaminants from fluid streams and methods of using same

#289
20120292262
2012-11-22

Apparatuses and Methods for Purifying Liquids

#290
20120285893
2012-11-15

Methods for removing contaminants from aqueous systems

#291
20120273431
2012-11-01

ZERO VALENT IRON/IRON OXIDE MINERAL/FERROUS IRON COMPOSITE FOR TREATMENT OF A CONTAMINATE FLUID

#292
20120261609
2012-10-18

Composition and method for removing metal contaminants

#293
20120261345
2012-10-18

Rare earth removal of hydrated and hydroxyl species

#294
20120248040
2012-10-04

Inorganic Ion Exchange Adsorbent for Removing Toxic Trace Elements From Water

#295
20120238683
2012-09-20

Composition and process for making the composition

#296
20120234769
2012-09-20

Systems and methods for treating fluid media using nonthermal plasmas

#297
20120234763
2012-09-20

Regenerable filter unit, regenerable filter system including the same, and method of operating regenerable filter system

#298
20120223029
2012-09-06

METHODS, APPARATUS AND SYSTEMS FOR POLISHING WASTEWATER UTILIZING NATURAL MEDIA FILTRATION

#299
20120193295
2012-08-02

METHOD FOR TREATING EFFLUENT WATERS

#300
20120193293
2012-08-02

WASTEWATER TREATMENT METHOD