ClassID:

86672

C02F2305/12 - CPC Classification

Classification description:

Use of specific compounds during water treatment Inert solids used as ballast for improving sedimentation

Recent Application in this class:
#1
20240132382
2024-04-25

FIBER-BASED MATERIALS FOR WATER TREATMENT

#2
20230373831
2023-11-23

Wastewater Treatment System and Method Using Aerobic Granular Sludge With Immersed Membrane Separation

#3
20230365447
2023-11-16

Side Stream Treatment for Overflow

#4
20220388874
2022-12-08

ACCELERATED SETTLEMENT OF FLOCS AFTER ELECTROCOAGULATION/ELECTROCHEMICAL PROCESS USING BALLASTED FLOCCULATION

#5
20220135455
2022-05-05

Removing heavy metals in a ballasted process

#6
20210206671
2021-07-08

Method for continuous supply of superoxide-containing peracetate oxidant solution

#7
20210087086
2021-03-25

Side stream treatment for overflow

#8
20210070642
2021-03-11

Ballasted Activated Sludge Treatment Combined with High-Rate Liquids/Solids Separation Systems

#9
20200255308
2020-08-13

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

#10
20200155972
2020-05-21

WATER TREATMENT PLANT AND CORRESPONDING METHOD

#11
20200131059
2020-04-30

Water treatment plant having integrated ballasted flocculation and decantation, and a corresponding method

#12
20190352206
2019-11-21

System and process for treating produced and frac flowback waters

#13
20190218121
2019-07-18

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

#14
20190194049
2019-06-27

Ballasted solids treatment system and method

#15
20190194048
2019-06-27

Removing heavy metals in a ballasted process

#16
20190047882
2019-02-14

COATING LIQUID PREPARING DEVICE AND COATING DEVICE

#17
20180236381
2018-08-23

IFS AND GRIT BOX FOR WATER CLARIFICATION SYSTEMS

#18
20180194656
2018-07-12

Water softening treatment using in-situ ballasted flocculation system

#19
20170305767
2017-10-26

Process and method for stillage fermentation

#20
20170297940
2017-10-19

METHOD FOR A TREATMENT OF WATER BY ADSORPTION ON ACTIVE CARBON AND CLARIFICATION, AND CORRESPONDING PLANT

#21
20170253504
2017-09-07

Systems and methods for removing finely dispersed particulate matter from a fluid stream

#22
20170247274
2017-08-31

Side stream treatment for overflow

#23
20170209808
2017-07-27

Fluid treatment reactor

#24
20170203982
2017-07-20

Systems and methods for removing finely dispersed particulate matter from a fluid stream

#25
20170101332
2017-04-13

Systems and methods for removing finely dispersed particulate matter from a fluid stream

#26
20160376169
2016-12-29

Method of deodorizing sludge and device for performing said method

#27
20160243494
2016-08-25

Apparatus and method for evaporating waste water and reducing acid gas emissions

#28
20160243493
2016-08-25

Apparatus and method for evaporating waste water and reducing acid gas emissions

#29
20160167998
2016-06-16

Method for treating water containing organic matter using ion exchange and ballasted flocculation

#30
20160145126
2016-05-26

Ballasted clarification system

#31
20160102006
2016-04-14

Wastewater treatment processes employing high rate chemical softening systems

#32
20160068417
2016-03-10

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

#33
20150352466
2015-12-10

Surface wasting system

#34
20150251938
2015-09-10

Wastewater overflow systems and methods

#35
20150218015
2015-08-06

Polymer beads incorporating solid particulate material

#36
20150210574
2015-07-30

Treatment using fixed film processes and ballasted settling

#37
20150182910
2015-07-02

Apparatus and method for evaporating waste water and reducing acid gas emissions

#38
20140346123
2014-11-27

Sedimentation device for separating a material mix and method for removing sediment from a sedimentation device

#39
20140339158
2014-11-20

System and process for removing ammonium, soluble BOD and suspended solids from a wastewater stream

#40
20140319059
2014-10-30

Method and kit for treating recreational water

#41
20140209523
2014-07-31

Water treatment process and plant using ballasted flocculation and settling

#42
20140166587
2014-06-19

Methods for removing finely dispersed particulate matter from a fluid stream

#43
20140138310
2014-05-22

Device and method for sewage treatment using variable magnetic field

#44
20140102977
2014-04-17

Ballasted anaerobic method for treating wastewater

#45
20140027387
2014-01-30

Method for decomposing organic compound contained in aqueous solution

#46
20140001119
2014-01-02

Ballasted sequencing batch reactor system and method for treating wastewater

#47
20130336877
2013-12-19

Systems and methods for removing finely dispersed particles from mining wastewater

#48
20130313201
2013-11-28

High rate chemical softening process

#49
20130248455
2013-09-26

Method for removing calcium, barium, magnesium and strontium from frac flowback

#50
20130193078
2013-08-01

Systems and methods for removing finely dispersed particulate matter from a fluid stream

#51
20130126442
2013-05-23

METHODS FOR REMOVING CONTAMINANTS FROM WATER

#52
20130068695
2013-03-21

Methods and Compositions For the Prevention of Struvite Scale Formation In Wastewater Systems

#53
20130053612
2013-02-28

GAS BURIAL DISPOSAL CAPSULES

#54
20130053611
2013-02-28

Gas burial disposal capsules

#55
20130049237
2013-02-28

Water aeration capsules

#56
20130048573
2013-02-28

WATER AERATION CAPSULES

#57
20130020255
2013-01-24

Ballasted anaerobic system

#58
20130020254
2013-01-24

Ballasted sequencing batch reactor system and method for treating wastewater

#59
20120305483
2012-12-06

System and Method for Treatment of Acidic Wastewater

#60
20120255912
2012-10-11

Process for Treating Water to be Treated by Clarification Comprising an Adsorption of a Portion of Clarified Water and a Clarification of a Mixture of Adsorbed Clarified Water and Water to be Treated

#61
20120211416
2012-08-23

System for enhancing a wastewater treatment process

#62
20120160770
2012-06-28

Process for reducing the sulfate concentration in a wastewater stream

#63
20120067824
2012-03-22

Methods for removing finely dispersed particulate matter from a fluid stream

#64
20110252701
2011-10-20

Systems and methods for recovering fine particles from fluid suspensions for combustion

#65
20110147304
2011-06-23

Biological and ballasetd flocculation treatment of wastewater

#66
20110131873
2011-06-09

Systems and methods for removing finely dispersed particulate matter from a fluid stream

#67
20110127220
2011-06-02

Method for treating water by advanced oxidation and ballasted flocculation, and corresponding treatment plant

#68
20110094971
2011-04-28

Treatment Agent for Aqueous Waste Liquid and Treatment Method for Aqueous Waste Liquid

#69
20110036772
2011-02-17

Method of removing phosphorus from wastewater

#70
20110036771
2011-02-17

Ballasted anaerobic system and method for treating wastewater

#71
20100326929
2010-12-30

Fluid treatment reactor

#72
20100213123
2010-08-26

Ballasted sequencing batch reactor system and method for treating wastewater

#73
20100187178
2010-07-29

Process for removing and sequestering contaminants from aqueous streams

#74
20100155327
2010-06-24

System for enhancing a wastewater treatment process

#75
20100102007
2010-04-29

Process for Treatment of Sewage Waste Water

#76
20100102006
2010-04-29

Ballast flocculation and sedimentation water treatment system with simplified sludge recirculation, and process therefor

#77
20100096335
2010-04-22

Water treatment process and plant using ballasted flocculation and settling

#78
20100044317
2010-02-25

Water purification device for arsenic removal

#79
20100038321
2010-02-18

Grit chamber and a method for controlling the same

#80
20100038319
2010-02-18

Process for separating off carbon black from a wastewater stream

#81
20100025626
2010-02-04

Two-layer compacted solid product for water potabilization and preparation method

#82
20090308815
2009-12-17

Method of treating water by ballasted flocculation/settling, which includes a continuous measurement of the ballast, and corresponding installation

#83
20090301948
2009-12-10

System for treating wastewater

#84
20090218281
2009-09-03

Water Treating Method and Arrangement Integrating a Fixed-Bacteria Biological Treatment and Flocculation-Decantation

#85
20090206040
2009-08-20

Systems and methods for removing finely dispersed particulate matter from a fluid stream

#86
20090184055
2009-07-23

Method for recycling of oil based drilling fluid contaminated with water and water contaminated with oil based drilling fluid

#87
20090107912
2009-04-30

Composite material and method for removing harmful algal blooms and turning them into submerged macrophytes

#88
20090050570
2009-02-26

Method for water treatment by flocculation/settling using ballasted floc degritting of the sludge

#89
20080314830
2008-12-25

Method of removing phosphorus from wastewater

#90
20080296228
2008-12-04

Wastewater treatment method comprising decantation and fine screening stages

#91
20080290030
2008-11-27

System and Method for Treatment of Acidic Wastewater

#92
20080257810
2008-10-23

System for removing BOD and suspended solids through an activated sludge process and a ballasted flocculation process

#93
20080217244
2008-09-11

Water treatment method comprising a rapid settling step followed by a filtration step directly on micro- or ultra-filtration membranes, and corresponding device

#94
20080210613
2008-09-04

System and method for removing dissolved contaminants, particulate contaminants, and oil contaminants from industrial waste water

#95
20080203015
2008-08-28

System and method for enhancing an activated sludge process

#96
20080121585
2008-05-29

WATER TREATMENT USING DE-SUPERSATURATION

#97
20080093580
2008-04-24

Composition for removing arsenic from aqueous streams

#98
20080078721
2008-04-03

Method of treating water with an inorganic powder reagent

#99
20080073280
2008-03-27

Device for Removing Magnetic Floc from a Magnetic Collector in a Water Treatment System

#100
20080073278
2008-03-27

Magnetic separation and seeding to improve ballasted clarification of water

#101
20080061003
2008-03-13

Method for recycling of oil based drilling fluid contaminated with water and water contaminated with oil based drilling fluid

#102
20070272616
2007-11-29

Water treatment mixture and methods and system for use

#103
20070210007
2007-09-13

Method of dewatering thin stillage processing streams

#104
20070163955
2007-07-19

Combination activated sludge—ballasted flocculation process

#105
20070114184
2007-05-24

Method for treating wastewater

#106
20060289357
2006-12-28

Method and system for removing solutes from a fluid using magnetically conditioned coagulation

#107
20060273039
2006-12-07

Water treatment mixture

#108
20060213832
2006-09-28

Method and system for utilizing activated sludge in a ballasted flocculation process to remove BOD and suspended solids

#109
20060207945
2006-09-21

Process for removing arsenic from aqueous streams

#110
20060201861
2006-09-14

Water treatment mixture and system for use

#111
20060108273
2006-05-25

Ballasted flocculation process and system incorporating an electro-coagulation reactor for treating water or wastewater

#112
20060006116
2006-01-12

Method of dewatering thin stillage processing streams

#113
20050282144
2005-12-22

Method and system for removing solutes from a fluid using magnetically conditioned coagulation

#114
20050218056
2005-10-06

Method and plant for thickening sludge derived from water treatment by flocculation-decantation with ballasted floc

#115
20050133455
2005-06-23

Process for removing arsenic from drinking water

#116
20050103719
2005-05-19

Method for treating water by ballasted flocculation and decantation

#117
20050092671
2005-05-05

Apparatus for recycling of oil-based drilling fluid contaminated with water and water contaminated with oil based drilling fluid

#118
20050051488
2005-03-10

System and method for treatment of acidic wastewater