ClassID:

86278

C02F1/5245 - CPC Classification

Classification description:

Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron

Recent Application in this class:
#1
20260131288
2026-05-14

WATER PRODUCTION METHOD

#2
20260125303
2026-05-07

SUSTAINABLE DESALINATION PLANT AND SUSTAINABLE METHOD FOR THE DESALINATION OF WATER

#3
20260116800
2026-04-30

METHOD FOR REMOVAL OF NITRATE FROM WASTEWATER EFFLUENT

#4
20260103414
2026-04-16

SULPHATE REMOVAL USING FLUIDIZED BED REACTOR

#5
20260092000
2026-04-02

Methods and Systems for Treating Phosphogypsum-Containing Water

#6
20260078029
2026-03-19

TREATMENT OF AQUEOUS COMPOSITION WITH METAL COMPONENT

#7
20260070500
2026-03-12

GREY WATER RECLAMATION

#8
20260062326
2026-03-05

SYNTHESIS METHOD FOR LAYERED BIMETAL-BASED NANO LANTHANUM MATERIAL CAPABLE OF SYNCHRONOUSLY LOCKING PHOSPHORUS, REMOVING ALGAE, AND REDUCING TURBIDITY, AND USE THEREOF

#9
20260049018
2026-02-19

METHOD FOR WASTEWATER TREATMENT

#10
20260049007
2026-02-19

Grinding Wastewater Pretreatment Method

#11
20260042055
2026-02-12

GAS TREATMENT PROCESS

#12
20260022040
2026-01-22

Performance of Sulfated Coagulants by Photoactivation Prior to Dosing

#13
20260015259
2026-01-15

DESALINATING DISSOLVED GAS FLOATATION SYSTEMS

#14
20260008707
2026-01-08

METHODS AND COMPOSITIONS FOR TREATING INDUSTRIAL WASTEWATER

#15
20260008699
2026-01-08

METHOD AND SYSTEM FOR REMOVING AZOLE-BASED COMPOUNDS FROM A WASTEWATER

#16
20250388498
2025-12-25

GEOTECHNICAL CHARACTERISTICS OF TAILINGS VIA LIME ADDITION

#17
20250388497
2025-12-25

Processing Of Phosphate Compounds

#18
20250382205
2025-12-18

COMPOSITIONS AND METHODS FOR TREATING WASTEWATER

#19
20250376391
2025-12-11

WASTEWATER TREATMENT SYSTEM AND WASTEWATER TREATMENT METHOD USING THEREOF

#20
20250361167
2025-11-27

SYSTEMS AND METHODS FOR REMOVING PHOSPHORUS FROM WATER

#21
20250361166
2025-11-27

Composition and Method for Municipal and Industrial Wastewater Treatment

#22
20250340464
2025-11-06

SYSTEM AND METHOD FOR RECOVERY OF PHOSPHATE FROM WASTEWATER AS GRANULAR NATURAL STRUVITE

#23
20250326671
2025-10-23

ELECTROCHEMICAL WATER TREATMENT METHOD USING SELECTIVE ION SEPARATION

#24
20250320578
2025-10-16

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

#25
20250270122
2025-08-28

AQUATIC DYE AND COAGULANT COMBINATION PRODUCT TO IMPROVE THE LONGEVITY OF WATER QUALITY ENHANCEMENTS

#26
20250263323
2025-08-21

WASTEWATER AND SLUDGE TREATMENT DEVICE AND METHOD

#27
20250256995
2025-08-14

BICARBONATE REMOVAL FROM MONOETHYLENE GLYCOL-WATER STREAMS

#28
20250230081
2025-07-17

SEWAGE TREATMENT DEVICE AND METHOD

#29
20250230072
2025-07-17

SYSTEMS AND METHODS FOR DEGRADING PFAS

#30
20250223203
2025-07-10

INTELLIGENT DOSING CONTROL METHOD, DEVICE AND SYSTEM FOR SOFTENING AND REMOVING HARDNESS

#31
20250214877
2025-07-03

WASTE RECLAMATION SYSTEM AND METHOD

#32
20250214873
2025-07-03

METHOD FOR REMOVING CARBON DIOXIDE

#33
20250187953
2025-06-12

COAGULANT SLURRY COMPOSITIONS PRODUCED FROM DRINKING WATER TREATMENT RESIDUALS

#34
20250154041
2025-05-15

WASTEWATER TREATMENT SYSTEM AND METHODS UTILIZING CHEMICAL PRE-TREATMENT AND FOAM FRACTIONATION

#35
20250145500
2025-05-08

REGENERATABLE SYSTEM FOR CONTAMINANT REMOVAL

#36
20250136484
2025-05-01

METHOD FOR TREATING SUSPENSIONS OF MINERAL PARTICLES

#37
20250136483
2025-05-01

WATER TREATMENT COMPOSITIONS AND METHODS OF USE

#38
20250122106
2025-04-17

CHEMICAL REDUCTION PROCESS OF PFAS CONTAINED IN WATER

#39
20250122105
2025-04-17

METHOD FOR TREATING WASTE WATERS AND RESIDUE SLUDGE BY MEANS OF CARBONATION AND DECARBONATION IN A CHEMICAL INSTALLATION FOR NITRIDATION IN A MOLTEN SALT BATH

#40
20250115497
2025-04-10

SULFATE REMOVAL FROM WATER

#41
20250091925
2025-03-20

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

#42
20250074804
2025-03-06

METHOD AND APPARATUS FOR TREATING WASTEWATER

#43
20250059076
2025-02-20

SYSTEM AND METHOD FOR RECOVERY OF FERTILIZER BUILDING BLOCKS FROM WASTE

#44
20250051208
2025-02-13

SYSTEMS AND METHODS FOR HIGH-EFFICIENCY NUTRIENT REMOVAL AND RECOVERY FROM WASTE STREAMS

#45
20250042781
2025-02-06

ECO-FRIENDLY METHOD, APPARATUS, AND SYSTEM FOR PRECIPITATION AND COLLECTION OF DISSOLVED SUPPORT MATERIAL

#46
20250034009
2025-01-30

SYSTEM FOR REMOVING PER- AND POLYFLUORINATED ALKYL SUBSTANCES FROM CONTAMINATED AQUEOUS STREAMS, VIA CHEMICAL AIDED FILTRATION, AND METHODS OF USE THEREOF

#47
20250019284
2025-01-16

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

#48
20250019279
2025-01-16

TREATMENT OF TAILINGS

#49
20250011192
2025-01-09

NATURAL MINERAL-DERIVED LUMILITE ECOLOGICAL RESTORATION AGENT AND METHOD OF MANUFACTURING SAME

#50
20240417300
2024-12-19

Method and apparatus for treating wastewater

#51
20240409445
2024-12-12

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

#52
20240400412
2024-12-05

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

#53
20240391797
2024-11-28

HYDROTHERMAL SYSTEM FOR TREATMENT OF ADSORBENT REGENERATION BYPRODUCTS

#54
20240391791
2024-11-28

Method for Making Polyaluminum Chloride (PAC) and PAC Made by Same

#55
20240368008
2024-11-07

ENHANCED INORGANIC COAGULANTS FOR WASTEWATER TREATMENT

#56
20240343625
2024-10-17

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

#57
20240343621
2024-10-17

WASTEWATER TREATMENT USING AEROBIC TREATMENT WITH BRUSHITE PRECIPITATION AND RECIRCULATION

#58
20240343611
2024-10-17

METHODS FOR DYNAMICALLY VARYING CHEMICAL ADDITIVE FLOWRATE TO TREAT WASTEWATER IN REAL TIME AND SYSTEMS FOR PERFORMING THE SAME

#59
20240336790
2024-10-10

PAINT OVERSPRAY TREATMENT COMPOSITIONS AND METHODS OF USE

#60
20240336509
2024-10-10

Wastewater and sludge treatment device and method

#61
20240327258
2024-10-03

PRODUCTION OF BARIUM SULFATE FROM SEAWATER

#62
20240294439
2024-09-05

USE OF BRINE AND NATURAL POZZOLANS IN A METHOD OF MAKING COMPOSITIONS TO PROMOTE MARINE-LIFE

#63
20240286944
2024-08-29

PROCESS FOR REDUCING TOTAL SUSPENDED SOLIDS (TSS), BIOCHEMICAL OXYGEN DEMAND (BOD), CHEMICAL OXYGEN DEMAND (COD) IN COMMERCIAL LAUNDRY

#64
20240286937
2024-08-29

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

#65
20240279087
2024-08-22

SYSTEM FOR REMOVING PER- AND POLYFLUORINATED ALKYL SUBSTANCES FROM CONTAMINATED AQUEOUS STREAMS, VIA CHEMICAL AIDED FILTRATION, AND METHODS OF USE THEREOF

#66
20240271026
2024-08-15

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

#67
20240254019
2024-08-01

Enhanced flocculation of intractable slurries using silicate ions

#68
20240254018
2024-08-01

MOBILE SYSTEM AND METHOD FOR SEPARATING WATER AND PAINT

#69
20240246839
2024-07-25

Polyaluminum Sulfate with Reduced Chloride Content

#70
20240228349
2024-07-11

Method for recovering phosphorus and iron and use thereof

#71
20240199454
2024-06-20

Process for Removing Hardness and Total Organic Carbon from Drinking Water

#72
20240198288
2024-06-20

SUSTAINABLE DESALINATION SYSTEMS AND METHODS USING RECYCLED BRINE STREAMS

#73
20240190743
2024-06-13

METHOD FOR TREATING ALKALINE FLUORINE-CONTAINING WASTEWATER BY COMBINING INDUCED CRYSTALLIZATION METHOD WITH TUBULAR MEMBRANE FILTER

#74
20240190732
2024-06-13

DRY POWDER MIXTURE FOR TOTAL PHOSPHORUS REMOVAL WITHIN WATER AND WASTEWATER TREATMENT

#75
20240182332
2024-06-06

METHODS FOR DECREASING CALCIUM SULFATE PRECIPITATION IN PRODUCED WATER

#76
20240140847
2024-05-02

SYSTEMS AND METHODS FOR REMOVING PHOSPHORUS FROM WATER

#77
20240140839
2024-05-02

COMPOSITIONS AND METHODS FOR TREATING WASTEWATER

#78
20240140837
2024-05-02

Treatment of Liquid Streams Containing High Concentrations of Solids Using Ballasted Clarification

#79
20240101438
2024-03-28

RECOVERY OF LITHIUM FROM AQUEOUS SOLUTIONS

#80
20240092663
2024-03-21

TREATMENT METHOD OF LEACHATE OF HAZARDOUS WASTE LANDFILL SITE

#81
20240043364
2024-02-08

METHOD FOR PREPARING 3,3',4,4'-DICYCLOHEXYLTETRACARBOXYLIC ACID AND METHOD FOR TREATING ACIDIC WASTEWATER

#82
20240025778
2024-01-25

GEOTECHNICAL CHARACTERISTICS OF TAILINGS VIA LIME ADDITION

#83
20230416126
2023-12-28

SYSTEM AND METHOD FOR REMOVING MICROPARTICLES AND NANOPARTICLES FROM WATER USING GELATINOUS ZOOPLANKTON MUCUS

#84
20230348300
2023-11-02

WATER TREATMENT AGENT

#85
20230322593
2023-10-12

RESOURCE UTILIZATION-ORIENTED TREATMENT METHOD FOR SPENT ELECTROLESS NICKEL PLATING BATH

#86
20230322567
2023-10-12

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

#87
20230286842
2023-09-14

COMPOSITIONS AND METHODS FOR TREATING AQUARIUM WATER

#88
20230271864
2023-08-31

PROCESS FOR ENRICHING PHOSPHORUS AND RECOVERING BLUE IRON ORE BY USING BIOFILM METHOD

#89
20230271860
2023-08-31

System for removing per- and polyfluorinated alkyl substances from contaminated aqueous streams, via chemical aided filtration, and methods of use thereof

#90
20230249995
2023-08-10

WATER TREATMENT AGENT

#91
20230242424
2023-08-03

WATER TREATMENT AGENT

#92
20230227331
2023-07-20

REGENERATABLE SYSTEM FOR CONTAMINANT REMOVAL

#93
20230227328
2023-07-20

WATER PURIFIER FILTER AND WATER PURIFIER COMPRISING SAME

#94
20230219832
2023-07-13

Treatment of tailings streams with one or more dosages of lime, and associated systems and methods

#95
20230219831
2023-07-13

Enhanced flocculation of intractable slurries using silicate ions

#96
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)

#97
20230212033
2023-07-06

APPARATUS AND METHOD FOR CONTROLLING CHEMICAL DOSING OPTIMIZATION FOR WATER TREATMENT PLANT

#98
20230212032
2023-07-06

APPARATUS AND METHOD FOR CONTROLLING OUTPUT FOR CHEMICAL DOSING OPTIMIZATION FOR WATER TREATMENT PLANT

#99
20230202945
2023-06-29

Gasification and Fischer-Tropsch process waste water treatment

#100
20230202873
2023-06-29

SI REMOVAL FROM AQUEOUS STREAMS OF MINERALS PROCESSING PLANTS

#101
20230183113
2023-06-15

Cerium-lanthanum treatment method for reduction of contaminants in wastewater membrane bioreactors

#102
20230183110
2023-06-15

Flocculant for catalytic decomposition of flue gas desulfurization wastewater treatment

#103
20230183109
2023-06-15

Effluent

#104
20230174404
2023-06-08

WATER REMEDIATION

#105
20230174401
2023-06-08

Silica removal reagent for reverse osmosis membrane pretreatment

#106
20230166991
2023-06-01

Methods and systems for streaming current analyzer calibration and reporting

#107
20230145973
2023-05-11

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

#108
20230085171
2023-03-16

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

#109
20230070706
2023-03-09

Wastewater treatment system and methods utilizing chemical pre-treatment and foam fractionation

#110
20230042185
2023-02-09

CREATION OF AN IRON PRODUCT FOR WASTEWATER TREATMENT

#111
20230014479
2023-01-19

COMPOSITIONS FOR THE REMEDIATION OF PER- AND POLY-FLUOROALKYL SUBSTANCES IN WASTEWATER

#112
20220396513
2022-12-15

WATER TREATMENT SYSTEM

#113
20220380244
2022-12-01

System and Methods for Wastewater Treatment

#114
20220371926
2022-11-24

Sewage treatment device capable of controlling product crystallization granularity and sewage treatment method

#115
20220362686
2022-11-17

Ammonia Stripper Apparatus and Method

#116
20220348483
2022-11-03

Bio-electrochemical sensor and method for optimizing performance of a wastewater treatment system

#117
20220332620
2022-10-20

SIMPLIFIED SULPHATE REMOVAL FOR EFFLUENT TREATMENT

#118
20220324733
2022-10-13

WATER TREATMENT METHOD AND COMPOSITION

#119
20220315459
2022-10-06

WATER BALANCE IMPROVEMENT lN AN EFFLUENT TREATMENT PROCESS FOR SULPHATE REMOVAL

#120
20220298035
2022-09-22

Treatment system comprising wood-based organic material and its use in wastewater treatment, and method for removing dissolved organic compounds from wastewater

#121
20220281765
2022-09-08

COMPOSITIONS AND METHOD FOR WASTEWATER TREATMENT

#122
20220281762
2022-09-08

Rapid reduction of aqueous selenate with chromous ions

#123
20220267177
2022-08-25

COMPOSITIONS AND METHODS FOR TREATING WASTEWATER

#124
20220259087
2022-08-18

Domestic sewage treatment system

#125
20220259085
2022-08-18

Methods and Systems for Treating Phosphogypsum-Containing Water

#126
20220242768
2022-08-04

Chemical method for concurrent removal of ammonia nitrogen and phosphorus from fluid

#127
20220234930
2022-07-28

Method for Purifying Contaminated Water

#128
20220227653
2022-07-21

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

#129
20220212973
2022-07-07

Dissolved air flotation system and methods for biological nutrient removal

#130
20220212127
2022-07-07

Mixing/clarifying device

#131
20220194836
2022-06-23

Wastewater treatment system and methods utilizing chemical pre-treatment and foam fractionation

#132
20220169545
2022-06-02

METHODS AND COMPOSITIONS FOR TREATING PRODUCED WATER

#133
20220169541
2022-06-02

Ferro-cavitation processes for target metal separation

#134
20220162106
2022-05-26

Phosphorus control for waste streams from glyphosate manufacturing processes

#135
20220153642
2022-05-19

WASTEWATER TREATMENT SYSTEM AND METHOD FOR PRODUCING SLUDGE FOR CEMENT MANUFACTURING

#136
20220153620
2022-05-19

System and method of removing oil and toxic metals from petroleum produced water

#137
20220144679
2022-05-12

SYSTEMS AND METHODS FOR REMOVING PHOSPHORUS FROM WATER

#138
20220135451
2022-05-05

Method of evaluating and optionally selecting a suitable chemistry for removal of microplastics in a liquid matrix

#139
20220127175
2022-04-28

Method of purifying natural water and wastewater

#140
20220127171
2022-04-28

Method for synergistic degradation treatment of polysaccharide-containing polymer wastewater by controllable—OH radical

#141
20220119289
2022-04-21

PROCESS FOR RECOVERING PHOSPHORUS

#142
20220112111
2022-04-14

SYSTEM AND METHOD OF TREATING WASTEWATER USING A PORTABLE, NON-BIOLOGICAL, CYCLIC SEWAGE TREATMENT PLANT

#143
20220073393
2022-03-10

Methods and Systems for Treating Phosphogypsum-Containing Water

#144
20220055933
2022-02-24

METHODS AND COMPOSITIONS FOR TREATING INDUSTRIAL WASTEWATER

#145
20220002173
2022-01-06

Composition and method for purifying, disinfecting and clarifying water

#146
20210403355
2021-12-30

Method for ecologic configuration of oil production high-salt wastewater artificial wetland to realize up-to-standard operation in winter

#147
20210403343
2021-12-30

RECYCLING AUTOMOTIVE PHOSPHATE RINSE WATER STREAM

#148
20210395124
2021-12-23

Membrane separation pretreatment apparatus including underwater plasma discharge unit

#149
20210395117
2021-12-23

System for removing per- and polyfluorinated alkyl substances from contaminated aqueous streams, via chemical aided filtration, and methods of use thereof

#150
20210380455
2021-12-09

Method for treatment of mixed electroplating wasterwater without cyanide and phosphorus-containing reductant

#151
20210379605
2021-12-09

METHOD AND ARRANGEMENT FOR PROCESS WATER TREATMENT

#152
20210357005
2021-11-18

Riser bracket for supporting a computer card

#153
20210355014
2021-11-18

Process and device for treating wastewater or sludge

#154
20210354109
2021-11-18

Filtration system and method for treating water containing nitrogen and phosphorous compounds

#155
20210323852
2021-10-21

Methods and Systems for Treating Phosphogypsum-Containing Water

#156
20210323841
2021-10-21

Remediation method and system for deep-sea mine tailings

#157
20210309545
2021-10-07

SYSTEM AND PROCESS FOR DESALINATING MONOVALENT ANION SPECIES FROM WASTEWATER

#158
20210300782
2021-09-30

SYSTEM AND METHOD FOR RECOVERING TIN AND/OR PALLADIUM FROM A COLLOIDAL SUSPENSION

#159
20210292198
2021-09-23

Treatment of tailings streams with one or more dosages of lime, and associated systems and methods

#160
20210292195
2021-09-23

Anolyte as an additive for wastewater treatment

#161
20210284555
2021-09-16

Pretreatment of produced water to facilitate improved metal extraction

#162
20210276901
2021-09-09

Cerium-lanthanum treatment method for reduction of contaminants in wastewater membrane bioreactors

#163
20210276895
2021-09-09

Fluid reaction tank and method for using same

#164
20210238074
2021-08-05

METHOD FOR OPERATING A WASTEWATER TREATMENT PLANT FOR PHOSPHORUS TREATMENT OF EFFLUENT

#165
20210238067
2021-08-05

Methods for removing anions from water

#166
20210230029
2021-07-29

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

#167
20210230027
2021-07-29

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

#168
20210221716
2021-07-22

Rapid reduction of aqueous selenate with chromous ions

#169
20210206680
2021-07-08

Wastewater treatment system and methods

#170
20210206671
2021-07-08

Method for continuous supply of superoxide-containing peracetate oxidant solution

#171
20210205731
2021-07-08

TREATMENT OF PHOSPHATE-CONTAINING WASTEWATER AND METHODS FOR FINES CONTROL

#172
20210188669
2021-06-24

REMOVAL OF PHOSPHORUS FROM WATER

#173
20210155840
2021-05-27

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

#174
20210155511
2021-05-27

Enhanced flocculation of intractable slurries using silicate ions

#175
20210147265
2021-05-20

SYSTEMS AND METHODS FOR TREATMENT OF WATER, SUCH AS OILFIELD WASTEWATER, VIA CHEMICAL COAGULATION

#176
20210114911
2021-04-22

CATIONIC CLAY COMPOSITION FOR TREATING WASTEWATER AND METHOD OF USING SAID COMPOSITION

#177
20210114895
2021-04-22

Creation of an iron product for wastewater treatment

#178
20210113976
2021-04-22

Device and method for generating gas bubbles in a liquid

#179
20210101808
2021-04-08

Geotechnical characteristics of tailings via lime addition

#180
20210101807
2021-04-08

Geotechnical characteristics of tailings via lime addition

#181
20210094855
2021-04-01

Methods of separating and isolating water and other desired constituents from oilfield produced brines

#182
20210087079
2021-03-25

Ferro-cavitation processes for target metal separation

#183
20210070637
2021-03-11

Method of treating wastewater

#184
20210060455
2021-03-04

Terpolymers for oil sands tailings treatment

#185
20210047208
2021-02-18

WATER TREATMENT PROCESS

#186
20210039976
2021-02-11

A Method and a System for Providing at Least One Input Parameter of Sludge Dewatering Process of a Wastewater Treatment Plant

#187
20210032146
2021-02-04

Method for wastewater treatment

#188
20210024397
2021-01-28

Unit for treating a drilling mud and corresponding method

#189
20210024396
2021-01-28

Method of treating sludge

#190
20200407250
2020-12-31

Method of optimizing the chemical precipitation process in water treatment plants and waste water treatment plants

#191
20200392601
2020-12-17

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

#192
20200377390
2020-12-03

Treatment of sludges and flocculants using insoluble mineral colloidal suspensions

#193
20200346959
2020-11-05

Method for reducing pollutant discharge in phenol and acetone production

#194
20200325053
2020-10-15

Method of treating wastewater

#195
20200308029
2020-10-01

Divalent Ion Removal From Monoethylene Glycol-Water Streams

#196
20200300755
2020-09-24

MEASUREMENT OF TREATMENT AGENT IN A PROCESS STREAM USING ULTRAVIOLET-VISIBLE (UV-VIS) SPECTROSCOPY, AND RELATED SYSTEMS AND PROCESSES

#197
20200299157
2020-09-24

Coagulant composition for wastewater treatment

#198
20200299156
2020-09-24

Systems and methods of reducing selenium contamination in waste water

#199
20200290911
2020-09-17

Sludge dewatering process assisted by flocculating reactant and plant for the implementation of such a process

#200
20200262721
2020-08-20

Process and apparatus for purifying liquid

#201
20200255308
2020-08-13

Treatment of Liquid Streams containing High concentration of Solids utilizing Ballasted Floc Technology

#202
20200247701
2020-08-06

Fractioned separation of valuable substances from aqueous many-component mixtures

#203
20200247681
2020-08-06

SUITABLE REAGENT FOR THE TREATMENT OF HIGH-SULPHATE WATERS

#204
20200231473
2020-07-23

SYSTEMS AND METHODS FOR REMOVAL OF BORON FROM WATER, SUCH AS OILFIELD WASTEWATER

#205
20200223720
2020-07-16

NEW PROCESS FOR THE TREATMENT OF HIGH SULPHATE WATERS

#206
20200223719
2020-07-16

Method and system for optimization of coagulation and/or flocculation in a water treatment process

#207
20200216345
2020-07-09

Method and diffusiophoretic water filter with chemical contaminant removal capability

#208
20200216337
2020-07-09

SULFATE REMOVAL OF WET AIR OXIDIZED SPENT CAUSTIC

#209
20200208331
2020-07-02

Washing machine comprising a water purification system

#210
20200198998
2020-06-25

Chemical Oxygen Demand (COD) Removal Powder Mixture

#211
20200189941
2020-06-18

Method and System for Treating Agricultural or Industrial Recirculation Water

#212
20200156968
2020-05-21

Enhanced inorganic coagulants for wastewater treatment

#213
20200131067
2020-04-30

Phosphorus control for waste streams from glyphosate manufacturing processes

#214
20200109065
2020-04-09

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

#215
20200108334
2020-04-09

Flocculation and sedimentation apparatus

#216
20200102233
2020-04-02

WASTEWATER TREATMENT SYSTEM AND METHOD

#217
20200095144
2020-03-26

Cerium-lanthanum treatment method for reduction of contaminants in wastewater membrane bioreactors

#218
20200079664
2020-03-12

Geotechnical characteristics of tailings via lime addition

#219
20200079661
2020-03-12

System, apparatus, and method for treating wastewater in real time

#220
20200071206
2020-03-05

Waste water treatment method and waste water treatment apparatus

#221
20200062623
2020-02-27

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

#222
20200062614
2020-02-27

Solar desalinator

#223
20200048125
2020-02-13

Method for integrated treatment of electroplating wasterwater

#224
20200047165
2020-02-13

Method for the production of a material of plant origin that is rich in phenolic acids, comprising at least one metal, for carrying out organic synthesis reactions

#225
20200039856
2020-02-06

Treatment of quarry liquid effluent

#226
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

#227
20200010342
2020-01-09

Method and system for phosphate recovery from a stream

#228
20200002197
2020-01-02

Enhanced flocculation of intractable slurries using silicate ions

#229
20200001197
2020-01-02

Stacked type falling film evaporator, zero liquid discharge system comprising the same, and zero liquid discharging method using the same

#230
20190389751
2019-12-26

Bio-electrochemical sensor and method for optimizing performance of a wastewater treatment system

#231
20190389750
2019-12-26

ON-LINE AND CONTINUOUS MEASUREMENT OF ORGANIC CARBON IN PETROLEUM REFINERY DESALTER BRINE WATER TO MONITOR, CONTROL AND OPTIMIZE THE DESALTER PROCESS UNIT

#232
20190388840
2019-12-26

Water treatment method

#233
20190352206
2019-11-21

System and process for treating produced and frac flowback waters

#234
20190352203
2019-11-21

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

#235
20190352202
2019-11-21

Method of removing hydrocarbons from produced water

#236
20190352195
2019-11-21

System and process for treating water

#237
20190337825
2019-11-07

Treatment of tailings

#238
20190330517
2019-10-31

Multiphase polymer suspension and use thereof

#239
20190322554
2019-10-24

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

#240
20190300409
2019-10-03

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

#241
20190300401
2019-10-03

Decomplexation of chelated hardness at high pH

#242
20190270660
2019-09-05

Methods of separating and isolating water and other desired constituents from oilfield produced brines for reuse

#243
20190270656
2019-09-05

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

#244
20190263676
2019-08-29

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

#245
20190256375
2019-08-22

COLLOIDAL SILICA ADDITION TO PROMOTE THE SEPARATION OF OIL FROM WATER

#246
20190241450
2019-08-08

System and method for static mixing in an enhanced primary waste water treatment system using a fluid containment assembly

#247
20190241449
2019-08-08

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

#248
20190225854
2019-07-25

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

#249
20190225517
2019-07-25

Wastewater treatment with customized phosphate control

#250
20190218121
2019-07-18

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

#251
20190218120
2019-07-18

Process for treating mine drainage

#252
20190217264
2019-07-18

PERSONAL WATER ENHANCEMENT DEVICE

#253
20190203368
2019-07-04

Electrochemical process for improving the grade of iron

#254
20190202720
2019-07-04

Method for purifying food and meat processing facility liquids and process or waste waters by using a combination of metal salts and a flocculant to coagulate and then flocculate contaminants from a contaminated liquid

#255
20190194049
2019-06-27

Ballasted solids treatment system and method

#256
20190194043
2019-06-27

Treatment of water

#257
20190185359
2019-06-20

Method for treating wastewater using a portable, non-biological, cyclic sewage treatment plant

#258
20190152820
2019-05-23

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

#259
20190143266
2019-05-16

BIOLOGICAL TREATMENT OF FLUE GAS DESULFURIZATION BLOWDOWN WATER WITH UPSTREAM SULFITE CONTROL

#260
20190135663
2019-05-09

Treatment of tailings streams with one or more dosages of lime, and associated systems and methods

#261
20190127254
2019-05-02

Method for treating waste water and recovering resources in acrylic fiber production

#262
20190127247
2019-05-02

Treatment of high peroxide waste streams

#263
20190119132
2019-04-25

Method for treating water that circulates through wet paint booth

#264
20190112209
2019-04-18

COMPOSITION AND SYSTEM FOR FLOCCULATING OR SETTLING SOLIDS FROM LIQUIDS AND METHODS FOR USING SAME

#265
20190084859
2019-03-21

Method of producing biochar from sludge

#266
20190072209
2019-03-07

WATER SOFTENER VALVE AND WATER TREATMENT APPARATUS

#267
20190072208
2019-03-07

WATER SOFTENER VALVE AND WATER SOFTENER

#268
20190072207
2019-03-07

Water softener valve and water softener

#269
20190072206
2019-03-07

Water softener valve

#270
20190072199
2019-03-07

Ejector of a water softener valve and water softener valve

#271
20190071339
2019-03-07

Apparatus and methods for treating wastewater

#272
20190046948
2019-02-14

Method for reducing or controlling wastewater and pollutant from emulsion polymerization resin production

#273
20190031547
2019-01-31

Apparatus and method for waste and water treatment

#274
20190023586
2019-01-24

Recycling automotive phosphate rinse water stream

#275
20190010068
2019-01-10

Pretreatment of produced water to facilitate improved metal extraction

#276
20190010065
2019-01-10

PROCESS FOR PRODUCING A PHOSPHORUS PRODUCT FROM WASTEWATER

#277
20190002321
2019-01-03

Recovery of phosphorus compounds from wastewater

#278
20190002312
2019-01-03

Effluent treatment process for sulphate removal

#279
20190002311
2019-01-03

Effluent treatment process—pH refinement for sulphate removal

#280
20190002306
2019-01-03

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

#281
20180363073
2018-12-20

PROCESS INCLUDING A CARBONATION STEP

#282
20180362375
2018-12-20

Implementation method for eliminating harmful algal blooms through optimized utilization of modified clays

#283
20180361275
2018-12-20

System and method for remediation of oil-contaminated sand

#284
20180354824
2018-12-13

Phosphorus precipitation and membrane flux in membrane bioreactors

#285
20180346356
2018-12-06

Process for the treatment of produced water from chemical enhanced oil recovery

#286
20180346355
2018-12-06

Method for treating industrial waste

#287
20180319690
2018-11-08

Method of recovering oil or gas and treating the resulting produced water

#288
20180319677
2018-11-08

Silver-impregnated two-dimensional structures for bromide removal

#289
20180305227
2018-10-25

Wastewater treatment method and wastewater treatment system

#290
20180290078
2018-10-11

CONTINUOUS RECYCLING OF WASH WATER WITH FLOCCULATION DEVICE AND PROCESS

#291
20180282193
2018-10-04

SANITARY LANDFILL LEACHATE TREATMENT PROCESS BY OXYAMMONOLYSIS

#292
20180282190
2018-10-04

A CLOGGING RESISTANT BIOFILM-BASED WATER TREATMENT SYSTEM

#293
20180273413
2018-09-27

Wastewater detoxification method and system

#294
20180263874
2018-09-20

High-pH active compositions

#295
20180251390
2018-09-06

Systems and methods for treating cementitious article forming process water

#296
20180222782
2018-08-09

ANAEROBIC SUSPENDED GROWTH TREATMENT OF CONTAMINATED WATER

#297
20180208481
2018-07-26

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

#298
20180194656
2018-07-12

Water softening treatment using in-situ ballasted flocculation system

#299
20180148359
2018-05-31

Stable salt-free polyaluminum chlorosulfates

#300
20180127294
2018-05-10

Composite filter cartridge