ClassID:

86434

C02F11/004 - CPC Classification

Classification description:

Treatment of sludge; Devices therefor Sludge detoxification

Recent Application in this class:
#1
20260109635
2026-04-23

NEUTRALIZATION PROCESSING SYSTEM FOR AMMONIA-CONTAINING WASTE FLUID AND NEUTRALIZATION PROCESSING METHOD FOR AMMONIA-CONTAINING WASTE FLUID

#2
20260070854
2026-03-12

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

#3
20260015269
2026-01-15

NEUTRALIZATION PROCESSING SYSTEM FOR AMMONIA-CONTAINING WASTE FLUID AND NEUTRALIZATION PROCESSING METHOD FOR AMMONIA-CONTAINING WASTE FLUID

#4
20250340473
2025-11-06

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

#5
20250333340
2025-10-30

GRANULAR ACTIVATED CARBON (GAC) REACTIVATION WASTE PRODUCT ENHANCED ACTIVATED SLUDGE SYSTEM FOR REMOVING PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) FROM A FLOW OF WASTEWATER AND/OR LANDFILL LEACHATE

#6
20250276923
2025-09-04

NEUTRALIZATION PROCESSING SYSTEM FOR AMMONIA-CONTAINING WASTE FLUID AND NEUTRALIZATION PROCESSING METHOD FOR AMMONIA-CONTAINING WASTE FLUID

#7
20240425400
2024-12-26

METHOD OF SLUDGE PRETREATMENT FOR IMPROVED DIGESTIBILITY AND REDUCED SCALING

#8
20240308879
2024-09-19

USE OF BASALT FOR ADSORBING TOXIC MATERIAL

#9
20240294413
2024-09-05

THERMOMECHANOCHEMICAL WASTE TREATMENT

#10
20240294400
2024-09-05

BASALT FIBER FOR ADSORBING TOXIC MATERIAL

#11
20240294399
2024-09-05

USE OF BASALT FIBER TO ADSORB TOXIC MATERIAL

#12
20240140845
2024-05-02

REMOVAL OF ARSENIC, ANTIMONY AND TOXIC METALS FROM CONTAMINATED SUBSTRATE

#13
20230357066
2023-11-09

METHOD FOR PROMOTING METHANE PRODUCTION FROM SLUDGE BY ANAEROBIC DIGESTION IN HIGH AMMONIA-NITROGEN HABITAT USING BIOCHAR WITH HIGH C/N RATIO

#14
20230097058
2023-03-30

Thermomechanochemical waste treatment

#15
20230093562
2023-03-23

METHOD FOR TREATING SLUDGE USING SOLAR THERMAL CONCENTRATORS

#16
20230050281
2023-02-16

METHOD FOR TREATING WATERS, SEDIMENTS AND/OR SLUDGES

#17
20220234932
2022-07-28

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

#18
20220177344
2022-06-09

DIGESTION OF ORGANIC SLUDGE

#19
20220169547
2022-06-02

Method for reducing heavy metal content of sludge-based biocoke

#20
20210354996
2021-11-18

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

#21
20210213498
2021-07-15

Controlled release adjunct for contaminant treatment

#22
20210162475
2021-06-03

METHOD FOR REMOVING ANTIBIOTIC RESISTANCE GENE BY USING IONIZING RADIATION

#23
20200407256
2020-12-31

Highly effective in situ treatment method for endogenous pollution in sludge

#24
20200048131
2020-02-13

Biomass selection and control for continuous flow granular/flocculent activated sludge processes

#25
20190322561
2019-10-24

METHOD OF PRODUCING FERTILIZER FROM WASTEWATER SLUDGE AND SYSTEM FOR CARRYING OUT THE METHOD

#26
20190201727
2019-07-04

Method for preparing chemical digester and its use for the treatment of organic matter

#27
20190151817
2019-05-23

PEF CHAMBER

#28
20180208483
2018-07-26

Use of basalt to adsorb toxic material

#29
20180208481
2018-07-26

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

#30
20180050946
2018-02-22

Environmentally sustainable cement composition, its use for inerting dredging sediments/sludges, relative method and apparatus for inerting

#31
20170327397
2017-11-16

Method for treating animal waste

#32
20170137311
2017-05-18

SYSTEM AND METHOD OF TREATING ORGANIC MATERIAL

#33
20170022081
2017-01-26

Process for treatment of sewage sludge

#34
20160376204
2016-12-29

Method for Reclaiming Usable Products from Biosolids

#35
20160304376
2016-10-20

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

#36
20160075555
2016-03-17

Process and plant for separating heavy metals from phosphoric starting material

#37
20150360975
2015-12-17

Method for removing perfluorinated compounds by concentration and separation

#38
20150175423
2015-06-25

Process and plant for separating heavy metals from phosphoric starting material

#39
20150158752
2015-06-11

Methods for treating biosolids sludge with cavitation

#40
20150136710
2015-05-21

PHOTOCHEMICAL PROCESS FOR THE LIQUID PHASE DESTRUCTION OF POLYCHLORINATED BIPHENYL COMPOUNDS, POLYCHLORINATED DIBENZO-p-DIOXIN, AND POLYCHLORINATED DIBENZOFURAN CONTAMINATED SLUDGES AND SOILS

#41
20140346125
2014-11-27

Desalting Salty Sludge System and Method

#42
20140341778
2014-11-20

System and process for the disinfection of sludge or solids

#43
20140137615
2014-05-22

Contaminant-free fertilizer from liquidized sewage sludge

#44
20140045248
2014-02-13

System for removing selenium from a feed stream

#45
20130272944
2013-10-17

Method for recycling organic waste material

#46
20130248443
2013-09-26

SELENIUM RECOVERY FROM BIOREACTOR SLUDGE

#47
20130186155
2013-07-25

Method for treating animal waste

#48
20130060076
2013-03-07

METHOD TO REDUCE PCB CONTENT AND/OR LEAD TCLP SOLUBILITY

#49
20120175311
2012-07-12

Method for organics removal from mineral processing water using a zeolite

#50
20120034286
2012-02-09

STABILIZATION OF BIOSOLIDS USING IRON NANOPARTICLES

#51
20120024718
2012-02-02

Method for treating a substance with wave energy from plasma and an electrical arc

#52
20100286424
2010-11-11

METHOD OF DETOXIFYING A HARMFUL COMPOUND

#53
20100268011
2010-10-21

Preparation and conditioning of sedimentary materials

#54
20100107712
2010-05-06

Method for treating domestic waste

#55
20090250408
2009-10-08

Ultrasound assisted heavy metal recovery

#56
20090209801
2009-08-20

Inorganic electrolyte setting agent capable of rendering heavy metal ion nonhazardous and method of treatment for utilization as resource therewith

#57
20090173696
2009-07-09

METHOD AND SYSTEM OF DIGESTING EXCESS SLUDGE

#58
20090042974
2009-02-12

Compositions And Methods Relating To Extensible Transgenic Vector Assembler, Pestilence Ridder, Plus Cannabinoid Producer

#59
20090028810
2009-01-29

STABILIZATION OF BIOSOLIDS USING IRON NANOPARTICLES

#60
20090000752
2009-01-01

Use of cyclodextrins for odor control in papermaking sludges, and deodorized sludge and products

#61
20080248557
2008-10-09

Method of detoxification of yperite by using haloalkane dehalogenases

#62
20070084804
2007-04-19

Process for disinfection of sewage sludge

#63
20070023342
2007-02-01

Process and apparatus for further processing of sewage sludge and other materials to reduce pathogens and toxins

#64
20070012629
2007-01-18

Arrangement for separating environmentally harmful substances from a polluted mass

#65
20060278583
2006-12-14

Method for recycling sludge during waste-water treatment

#66
20060276666
2006-12-07

Organotin compound treatment

#67
20060151400
2006-07-13

Biosolids stabilization process

#68
20060113254
2006-06-01

Extraction and treatment of heavy metals

#69
19055052
2025-11-04

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

#70
18785323
2025-04-08

Treatment method for complete harmless treatment of activated sludge and complete resource utilization of activated sludge's products

#71
18740275
2024-11-19

High-efficiency and multifunctional sludge conditioner and preparation method thereof

#72
18651805
2025-05-06

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