ClassID:

86318

C02F2003/003 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms using activated carbon or the like

Recent Application in this class:
#1
20260109631
2026-04-23

ENHANCED ACTIVATED SLUDGE SYSTEM FOR REMOVING PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) FROM A FLOW OF WASTEWATER AND/OR LANDFILL LEACHATE

#2
20250382211
2025-12-18

BIOLOGICALLY INOCULATED SORPTIVE BEAD MEDIA

#3
20250282662
2025-09-11

WASTEWATER TREATMENT SYSTEM AND WASTEWATER TREATMENT METHOD USING THE SAME

#4
20250187961
2025-06-12

RAINWATER GARDEN WITH REDUCED NITROUS OXIDE EMISSION

#5
20250042792
2025-02-06

ENCAPSULATED BIOFILM COMPOSITIONS AND METHODS

#6
20240391811
2024-11-28

SYSTEM AND METHOD FOR CONTINUOUS METABOLISM OF CONTAMINANTS OF EMERGING CONCERN

#7
20240317620
2024-09-26

Processing apparatus for treating acid mine wastewater using activated carbon-loaded microorganism

#8
20240286939
2024-08-29

ADVANCED GRANULAR SLUDGE BED REACTOR

#9
20240279091
2024-08-22

PURE WATER PRODUCTION METHOD AND PURE WATER PRODUCTION APPARATUS

#10
20240228346
2024-07-11

Biological Wastewater Treatment System

#11
20240132385
2024-04-25

Biological Wastewater Treatment System

#12
20230373826
2023-11-23

APPARATUS AND METHOD FOR PRODUCING PURE WATER

#13
20230322596
2023-10-12

Use of conductive particles suspended in electrolyte to enhance biodegradation rate

#14
20230249998
2023-08-10

COMPOSITE TREATMENT AND REMEDIATION TECHNOLOGY FOR POLLUTED WATER AND SOIL

#15
20230055262
2023-02-23

Method for treating reducible compound residues using iron-containing bioreactor

#16
20230040809
2023-02-09

METHOD FOR REMOVING TBBPA IN WATER, MICROBIAL STRAIN AND MICROBIAL AGENT

#17
20220411298
2022-12-29

Process and plant for treating wastewater containing micropollutants of pharmaceutical origin

#18
20220355354
2022-11-10

Method of in situ remediation of soils using a bioremediation composition including a time release material

#19
20220340462
2022-10-27

Method of fixing arsenic using activated biochar

#20
20220135455
2022-05-05

Removing heavy metals in a ballasted process

#21
20210363040
2021-11-25

Urban river channel direct purification device

#22
20210147268
2021-05-20

Method for enhancing biochemical water treatment by powder carrier

#23
20210087091
2021-03-25

Carrier for retaining anammox bacteria for use in wastewater treatment, anammox bacteria-adhered particle, and wastewater treatment apparatus using the carrier

#24
20200354249
2020-11-12

RECYCLED WATER TREATMENT SYSTEM

#25
20200148566
2020-05-14

AEROBIC BIOLOGICAL TREATMENT METHOD

#26
20190217354
2019-07-18

Method of in situ remediation of soils using a bioremediation composition including a time release material

#27
20190194048
2019-06-27

Removing heavy metals in a ballasted process

#28
20190161372
2019-05-30

Systems and processes for treatment of high total dissolved solids wastewater

#29
20190046952
2019-02-14

Multi-stage activated carbon systems and processes with recycled streams

#30
20190031544
2019-01-31

STRUCTURES FOR THE REDUCTION OF WATER IMPURITIES AND METHODS FOR THE DEPLOYMENT THEREOF

#31
20180290910
2018-10-11

PORTABLE DEVICE FOR WATER TREATMENT

#32
20180290909
2018-10-11

Structures for the reduction of water impurities and methods for the deployment thereof

#33
20170349464
2017-12-07

Treatment of aquifer matrix back diffusion

#34
20170333962
2017-11-23

Bioremediation composition with a time release material for removing hydrocarbons from contaminated environments

#35
20170088448
2017-03-30

SELF-REGENERATING BIOFILTER

#36
20170036922
2017-02-09

Water filtration and purification system and method using activated charcoal and barley straw

#37
20170007984
2017-01-12

Bead immobilized with absorbent and microorganisms

#38
20160264440
2016-09-15

Dual media system for treating wastewater containing selenium

#39
20150353393
2015-12-10

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

#40
20150239762
2015-08-27

Method of reducing residual recalcitrant organic pollutants

#41
20150232359
2015-08-20

Treatment of aquifer matrix back diffusion

#42
20140224730
2014-08-14

Wastewater treatment process including irradiation of primary solids

#43
20140224719
2014-08-14

Wastewater treatment system including irradiation of primary solids

#44
20140116952
2014-05-01

Water treatment apparatus incorporating wet air regeneration and powdered activated carbon treatment

#45
20140083934
2014-03-27

Biological two-stage contaminated water treatment system

#46
20130062281
2013-03-14

METHOD AND APPARATUS FOR TREATMENT OF WASTEWATER

#47
20110306115
2011-12-15

Environmental remediation material

#48
20110303605
2011-12-15

Electrobiochemical Reactor

#49
20110186489
2011-08-04

Gasification grey water treatment systems

#50
20110005284
2011-01-13

Wastewater treatment system including irradiation of primary solids

#51
20100300963
2010-12-02

Apparatus and method for treating FGD blowdown or similar liquids

#52
20080257820
2008-10-23

Apparatus and method for treating FGD blowdown or similar liquids

#53
20080173581
2008-07-24

Waste water treatment process system

#54
20080041784
2008-02-21

Method for removal of contaminants from water

#55
20070193950
2007-08-23

Process for treatment of organic contaminated water

#56
20070114174
2007-05-24

Apparatus and method for treating FGD blowdown or similar liquids

#57
20070082594
2007-04-12

Water reuse in food processing

#58
20050269261
2005-12-08

Method for forming microcultures within porous media

#59
20050040104
2005-02-24

Method, apparatus and system for removal of contaminants from water

#60
19043971
2025-08-05

Wetland system for treatment of wastewater brine