ClassID:

86450

C02F11/127 - CPC Classification

Classification description:

Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation

Recent Application in this class:
#1
20260097971
2026-04-09

SYSTEM AND METHOD FOR SEPTAGE TREATMENT WITH REAL-TIME OPTIMIZATION AND PREDICTIVE MAINTENANCE

#2
20260070854
2026-03-12

SYSTEM AND PROCESS FOR REDUCING PFAS AND MICROPLASTICS IN BIOSOLIDS USING HYDRODYNAMIC CAVITATION AND FOAM FRACTIONATION

#3
20260054273
2026-02-26

AI CONTROLLED DECANTER

#4
20260042692
2026-02-12

TREATMENT METHOD FOR FULL RESOURCE RECOVERY FROM SLUDGE IN MUNICIPAL WASTEWATER TREATMENT PLANTS

#5
20250388503
2025-12-25

CLEANING PLANT WITH WATER TREATMENT PLANT AND METHOD FOR WATER TREATMENT

#6
20250361167
2025-11-27

SYSTEMS AND METHODS FOR REMOVING PHOSPHORUS FROM WATER

#7
20250359563
2025-11-27

REMOVAL OF INSOLUBLES FROM AQUEOUS STREAMS USED IN FOOD PROCESSING

#8
20250354558
2025-11-20

DRIED SLUDGE DISTRIBUTION SYSTEM

#9
20250340495
2025-11-06

SLUDGE-DERIVED PLANT BIOSTIMULANT, AND DIRECTIONAL PREPARATION METHOD AND APPLICATION THEREOF

#10
20250340473
2025-11-06

SYSTEM AND PROCESS FOR REDUCING PFAS AND MICROPLASTICS IN BIOSOLIDS USING HYDRODYNAMIC CAVITATION AND FOAM FRACTIONATION

#11
20250230086
2025-07-17

METHODS AND SYSTEMS OF DEWATERING TAILINGS

#12
20250154039
2025-05-15

Biofilm Carrier Media in Moving Bed Biofilm Reactor Processes

#13
20250145890
2025-05-08

SOLVENT EXTRACTION METHOD FOR PETROLEUM SLUDGE/OIL SAND ASSISTED BY PARTICLE DISPERSANT

#14
20250145510
2025-05-08

CENTRIFUGAL DEHYDRATOR AND CENTRIFUGAL DEHYDRATION METHOD

#15
20250136490
2025-05-01

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

#16
20250122111
2025-04-17

WET AIR OXIDATION OF WASTEWATER SLUDGE SOLIDS

#17
20250042798
2025-02-06

SYNERGISTIC DEVICE FOR RESOURCE AND ENERGY RECOVERY, POLLUTION REDUCTION AND CARBON REDUCTION OF KITCHEN WASTE

#18
20240425398
2024-12-26

Biofilm Carrier Media in Moving Bed Biofilm Reactor Processes

#19
20240375985
2024-11-14

SLUDGE AND KITCHEN WASTE COLLABORATIVE DIGESTION PROCESS COUPLED WITH INTERMEDIATE THERMAL HYDROLYSIS

#20
20240343614
2024-10-17

DEWATERING TRAILER SYSTEM

#21
20240317621
2024-09-26

Semiconductor Chemical Mechanical Polishing Sludge Recycling Device

#22
20240182343
2024-06-06

METHOD AND SYSTEM FOR PRE-TREATING HIGH STRENGTH WASTEWATER

#23
20240164408
2024-05-23

METHOD OF PREPARING A SLUDGE, SLUDGE RESULTING FROM SAID METHOD AND USE OF SAID SLUDGE

#24
20240156114
2024-05-16

REMOVAL OF INSOLUBLES FROM AQUEOUS STREAMS USED IN FOOD PROCESSING

#25
20240150209
2024-05-09

SOLIDS SEPARATION

#26
20240140847
2024-05-02

SYSTEMS AND METHODS FOR REMOVING PHOSPHORUS FROM WATER

#27
20240109800
2024-04-04

Anaerobic treatment of waste

#28
20240101456
2024-03-28

SYSTEMS AND METHODS FOR BIOLOGICAL TRANSFORMATION, CONCENTRATION, AND RECOVERY OF SELENIUM FROM WASTEWATER

#29
20240082784
2024-03-14

Biogenic Refinery with SCR System Using Urea Extracted from Feedstock

#30
20240034661
2024-02-01

System and method for extracting carbon source from sewage sludge in sewer pipes through online organic and inorganic component separation

#31
20230373838
2023-11-23

Methods and systems of dewatering tailings

#32
20230357067
2023-11-09

CATIONIC EMULSION TERPOLYMER TO INCREASE CAKE SOLIDS IN CENTRIFUGES

#33
20230357065
2023-11-09

Methods for valorization of lignin-rich solids from anaerobic digestate

#34
20230348305
2023-11-02

SYSTEM AND METHOD FOR TREATMENT OF ANIMAL MANURE CONTAINING WASTEWATER

#35
20230265002
2023-08-24

Dual Drying Path With Exhaust Recirculation for Solid Waste Processing

#36
20230242432
2023-08-03

TAILINGS TREATMENT PROCESS

#37
20230219832
2023-07-13

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

#38
20230054607
2023-02-23

Removal of insolubles from aqueous streams used in food processing

#39
20230008207
2023-01-12

Method for recovering phosphorus from sludge rich in chemical phosphorus precipitates using high-protein biomass waste

#40
20220348488
2022-11-03

Process for treating sewage sludge

#41
20220315500
2022-10-06

Double drum systems and processes for converting biosolids to fertilizer

#42
20220306509
2022-09-29

Treatment of tailings with lime at elevated PH levels

#43
20220259087
2022-08-18

Domestic sewage treatment system

#44
20220226836
2022-07-21

Particle separation by density

#45
20220220020
2022-07-14

METHOD FOR FLOCCULATING SOLID PARTICLES CONTAINED IN A SUSPENSION, AND SYSTEM FOR CARRYING OUT THE METHOD

#46
20220194837
2022-06-23

PORTABLE WASTE TREATMENT APPARATUS

#47
20220184536
2022-06-16

Processing of red mud in bauxite refining

#48
20220098073
2022-03-31

Method for enhancing anaerobic digestion based on solid-liquid interface renewal in sludge

#49
20220089469
2022-03-24

Centrifugal dehydrator and centrifugal dehydration method

#50
20220081332
2022-03-17

Tailings Treatment Process

#51
20220062796
2022-03-03

Multiphase separation and pressure letdown method

#52
20220041486
2022-02-10

Rotational flow rotation deoiling method and device for oil-based mud rock debris

#53
20220017395
2022-01-20

Advanced phosphorous recovery process and plant

#54
20210403359
2021-12-30

Method for enhancing deep degradation of proteins in sludge

#55
20210402416
2021-12-30

Substance separator system driven by a submersible actuator

#56
20210387885
2021-12-16

Method for treating an oily solid waste sludge

#57
20210371316
2021-12-02

PROCESS FOR DEWATERING AN AQUEOUS PROCESS STREAM

#58
20210331960
2021-10-28

Zero-liquid discharge (ZLD) wastewater treatment apparatus and method

#59
20210331959
2021-10-28

Integrated physical method oily sewage treatment device

#60
20210323888
2021-10-21

Method for sludge dewatering using kitchen waste to synergistically enhance anaerobic biological acidification and low-temperature thermal hydrolysis of excess sludge

#61
20210292198
2021-09-23

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

#62
20210262730
2021-08-26

Dryer and a method for drying a liquid feed into a powder

#63
20210230494
2021-07-29

Hydrothermal treatment device, biomass fuel manufacturing plant, hydrothermal treatment method, and biomass fuel manufacturing method

#64
20210206678
2021-07-08

Methods and apparatuses for facilitating purification of sludge and tailing

#65
20210163326
2021-06-03

Intelligent oil sludge treatment apparatuses and treatment processes

#66
20210107815
2021-04-15

Method and device for treating acrolein reactor wastewater

#67
20210053072
2021-02-25

Slurry handling apparatus

#68
20210047204
2021-02-18

Biofilm carrier media in moving bed biofilm reactor processes

#69
20210024397
2021-01-28

Unit for treating a drilling mud and corresponding method

#70
20200392029
2020-12-17

Method and system for treatment of spent chloroaluminate ionic liquid catalyst and alkaline wastewater

#71
20200377401
2020-12-03

TREATMENT OF SLUDGES AND FLOCCULANTS USING INSOLUBLE MINERAL COLLOIDAL SUSPENSIONS

#72
20200377390
2020-12-03

Treatment of sludges and flocculants using insoluble mineral colloidal suspensions

#73
20200331787
2020-10-22

Method for recovering phosphorus from sludge and plant thereof

#74
20200299166
2020-09-24

Methods and systems for removing nitrates in Zero Liquid Discharge applications

#75
20200299160
2020-09-24

Wastewater treatment apparatus to achieve class B biosolids using chlorine dioxide

#76
20200290911
2020-09-17

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

#77
20200239349
2020-07-30

Treatment of oil sands tailings with lime at elevated PH levels

#78
20200239330
2020-07-30

System for resource recovery from poultry processing wastewater

#79
20200207654
2020-07-02

Apparatus and method to concentrate and dry generally organic solids and produce purified water therefrom

#80
20200140310
2020-05-07

Method for preparing eridite rod-shaped particles for water treatment by utilizing wastewater

#81
20200001197
2020-01-02

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

#82
20190367398
2019-12-05

Multi-parameter enhancement of membrane bioreactor process efficiency by biomass selection and selective biomass wasting

#83
20190322553
2019-10-24

SYSTEM AND METHOD FOR SEPARATING NUTRIENTS FROM A WASTE STREAM

#84
20190308890
2019-10-10

System and method for treatment of wastewater via enhanced electroflotation

#85
20190276345
2019-09-12

PROCESS FOR TAILINGS REMEDIATION

#86
20190263678
2019-08-29

Process and apparatus for separating valuable or harmful liquids from slurries

#87
20190256394
2019-08-22

Process for treating sewage sludge

#88
20190225524
2019-07-25

WASTE WATER SOLIDS SEPARATOR SYSTEM AND METHOD

#89
20190194049
2019-06-27

Ballasted solids treatment system and method

#90
20190135663
2019-05-09

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

#91
20190119138
2019-04-25

Emancipative waste activated sludge stripping to remove internal phosphorus (“eWASSTRIP”)

#92
20190055149
2019-02-21

Treatment of oil sands tailings with lime at elevated pH levels

#93
20190022555
2019-01-24

METHOD AND SYSTEM FOR CLEANING OILY WASTE

#94
20180339920
2018-11-29

Wastewater treatment system and method

#95
20180282646
2018-10-04

System for the treatment of organic waste

#96
20180257967
2018-09-13

Systems and methods for using chlorine dioxide to enhance drying

#97
20180201528
2018-07-19

Flocculation of high-solids mineral slurries

#98
20180200759
2018-07-19

Spoil treatment plant

#99
20180170782
2018-06-21

Waste material process and product

#100
20180148363
2018-05-31

System for improving sludge water into ecological water system

#101
20180134599
2018-05-17

UNIT FOR TREATING A DRILLING MUD AND CORRESPONDING METHOD

#102
20180118599
2018-05-03

Aerobic thermal chemical hydrolysis process

#103
20180111080
2018-04-26

AIR PURIFYING APPARATUS

#104
20180099884
2018-04-12

Effluent treatment mixture

#105
20180086657
2018-03-29

Treatment of sludges and flocculants using insoluble mineral colloidal suspensions

#106
20180071699
2018-03-15

Polymer flocculant mixing and dissolving system configured to control pressure on discharge side of regenerative mixer and method thereof

#107
20180057375
2018-03-01

Treatment of sludges and flocculants using insoluble mineral colloidal suspensions

#108
20170369344
2017-12-28

Processes and treatment systems for treating high phosphorous containing fluids

#109
20170369337
2017-12-28

ENHANCED BRINE CONCENTRATION WITH OSMOTICALLY DRIVEN MEMBRANE SYSTEMS AND PROCESSES

#110
20170349470
2017-12-07

METHOD FOR DEWATERING SLUDGE ASSISTED BY A FLOCCULATING REAGENT AND FACILITY FOR IMPLEMENTING SUCH A METHOD

#111
20170349469
2017-12-07

Biconical multiphase rotary filter

#112
20170260065
2017-09-14

Active management of fluidized beds of activated carbon

#113
20170247271
2017-08-31

IMPROVED PROCESS FOR TREATING AQUEOUS MINERAL SUSPENSIONS

#114
20170189881
2017-07-06

Reversible Microcapsule Filter Cake

#115
20170182502
2017-06-29

Solid-jacket screw centrifuge with a solid discharge chamber designed as a drying chamber

#116
20170129819
2017-05-11

Recovery of phosphorous

#117
20170088637
2017-03-30

Biopolymer extraction

#118
20170073591
2017-03-16

PROCESS FOR REMOVAL OF WATER (BOTH BOUND AND UNBOUND) FROM PETROLEUM SLUDGES AND EMULSIONS WITH A VIEW TO RETRIEVE ORIGINAL HYDROCARBONS PRESENT THEREIN

#119
20170072441
2017-03-16

Treatment of trade effluent from food waste disposal systems

#120
20160318819
2016-11-03

ORGANICS AND NUTRIENT RECOVERY FROM ANAEROBIC DIGESTER RESIDUES

#121
20160304376
2016-10-20

Methods and systems for pH treatment and extraction of leachable resources and pollutants from sludge

#122
20160292795
2016-10-06

Charging device of circulating water utilization system and circulating-water utilization system

#123
20160264444
2016-09-15

THERMAL TREATMENT SYSTEM AND METHOD FOR EFFICIENT PROCESSING OF ORGANIC MATERIAL

#124
20160207806
2016-07-21

Method and device for processing solid waste

#125
20160207020
2016-07-21

Reversible microcapsule filter cake

#126
20160121248
2016-05-05

Sludge concentrator assembly with varying first stage separator, combined with a second stage, clean flow outlet incorporating fixed and variable flow restrictor orifices

#127
20160107209
2016-04-21

Combined tailings disposal for minerals processes

#128
20150376043
2015-12-31

Method and apparatus for wastewater treatment using external selection

#129
20150360986
2015-12-17

Method and system for sludge treatment

#130
20150360975
2015-12-17

Method for removing perfluorinated compounds by concentration and separation

#131
20150329398
2015-11-19

Method for treating organic laden produced water

#132
20150274556
2015-10-01

Processes and treatment systems for treating high phosphorous containing fluids

#133
20150251932
2015-09-10

Apparatus and method for harvesting and dewatering of microalgae biomass

#134
20150210577
2015-07-30

Process for reducing the production of sludge by municipal or industrial wastewater purification plants, and equipment for the implementation thereof

#135
20150190727
2015-07-09

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

#136
20150152000
2015-06-04

SLUDGE DRYING SYSTEM

#137
20150144573
2015-05-28

Consolidation and dewatering of particulate matter with protein

#138
20150090594
2015-04-02

Methods and apparatus for solid liquid separation

#139
20140360093
2014-12-11

Procedure and equipment for the production of solid fuel from wastewater sludge

#140
20140305873
2014-10-16

Systems and methods for separating mine tailings from water-absorbing polymers and regenerating the separated water-absorbing polymers

#141
20140251902
2014-09-11

METHOD AND DEVICE FOR THERMAL BIOLOGICAL BREAKDOWN AND DEWATERING OF BIOMASS

#142
20140155245
2014-06-05

Sludge processing system and storage medium storing a program for controlling operation of a sludge processing system based on moisture content of concentrated sludge

#143
20140155244
2014-06-05

Sludge processing system and storage medium storing a program for controlling operation of a sludge processing system based on correlation between moisture content of concentrated sludge, centrifugal force, and concentrated sludge convey torque

#144
20140137615
2014-05-22

Contaminant-free fertilizer from liquidized sewage sludge

#145
20140069821
2014-03-13

System and method for treatment of produced waters

#146
20140033776
2014-02-06

Organics and nutrient recovery from anaerobic digester residues

#147
20130299405
2013-11-14

Dewatering system

#148
20130248455
2013-09-26

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

#149
20130248121
2013-09-26

Spray-drying device for dehydrated filtrate from desulfurization wastewater, air pollution control system and flue gas treatment method

#150
20130213796
2013-08-22

Process for modifying the structure of an organic sludge

#151
20130180907
2013-07-18

Sludge concentrator assembly incorporating upper centrifugal separator and lower barrier filter and exhibiting high flow velocity clean fluid outlet combined with low flow velocity solid entrapment

#152
20130172167
2013-07-04

Method and apparatus for removal of tars or resins from a scrubber liquid using a centrifuge with a discharge chamber scraper

#153
20130134092
2013-05-30

Wastewater treatment apparatus to achieve class B biosolids using chlorine dioxide

#154
20130134090
2013-05-30

Digestion of biosolids in wastewater

#155
20130015129
2013-01-17

Digestion of biosolids in wastewater

#156
20120313038
2012-12-13

Method for Treating Tailings

#157
20120298914
2012-11-29

Method for Treating and Conditioning Tailings

#158
20120152761
2012-06-21

SELENIUM SEPARATION AND RECOVERY FROM BIOREACTOR SLUDGE

#159
20120149076
2012-06-14

INTEGRATION OF FERMENTAITON WITH MEMBRANE

#160
20120006758
2012-01-12

Method of recovering polyhydroxyalkanoates (PHAs) from municipal waste sludge

#161
20110263407
2011-10-27

Efficiency of centrifuge in municipal sludge dewatering

#162
20110262331
2011-10-27

Air pollution control system and air pollution control method

#163
20110180424
2011-07-28

Water purification using conveyor sweep

#164
20100116753
2010-05-13

Dewatering system

#165
20100089809
2010-04-15

Integrated utility system

#166
20100059453
2010-03-11

SYSTEM AND METHOD FOR DE-WATERING WASTE DRILLING FLUIDS

#167
20090159523
2009-06-25

Rotary annular crossflow filter, degasser, and sludge thickener

#168
20090107928
2009-04-30

Paint spray booth sludge consolidation method and apparatus

#169
20070241041
2007-10-18

Waste water and sludge treatment apparatus

#170
20070240469
2007-10-18

Method and apparatus for treating pig manure

#171
20070193937
2007-08-23

Modified substrate for removing aqueous oxyanions

#172
20060273051
2006-12-07

Oil-based sludge separation and treatment system

#173
20060081544
2006-04-20

Sludge concentration system which have functions for automatically charging a coagulant and for automatically controlling the concentration of a sludge

#174
19055052
2025-11-04

System and process for reducing PFAS and microplastics in biosolids using hydrodynamic cavitation and foam fractionation

#175
18651805
2025-05-06

System and process for reducing PFAS and microplastics in biosolids using hydrodynamic cavitation and foam fractionation

#176
17565169
2022-05-31

Method for anaerobically fermenting organic solid waste

#177
17444800
2024-02-27

Mobile fracturing sand plant and systems and methods of operating same

#178
17115461
2023-03-28

Low moisture solids produced from poultry plant sludge by a decanter centrifuge system