ClassID:

86412

C02F3/346 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage characterised by the microorganisms used Iron bacteria

Recent Application in this class:
#1
20250289741
2025-09-18

ASPERGILLUS SP. DH4 WITH AEROBIC DENITRIFICATION ENHANCED BY INORGANIC ELECTRON DONOR AND USE THEREOF

#2
20250187058
2025-06-12

Materials and Methods for Remediating and Mitigating Iron Pollution

#3
20240102054
2024-03-28

METHOD OF REDUCING NITROGEN OXIDE CONCENTRATION IN SAMPLE, BIOREACTOR, AND PLUG FLOW REACTOR

#4
20240101459
2024-03-28

Harmless and Recycling Treatment Method for Kitchen Waste

#5
20230406742
2023-12-21

Method for Promoting Degradation of Polychlorinated Biphenyls (PCBs) by Pseudomonas JD37 With Nanoscale Zero-Valent Iron (nZVI) and Use Thereof

#6
20230055262
2023-02-23

Method for treating reducible compound residues using iron-containing bioreactor

#7
20220340465
2022-10-27

Method and apparatus for removing iron from humus-rich water

#8
20220332615
2022-10-20

Ferric iron-dosed anaerobic biological wastewater treatment technology

#9
20200277211
2020-09-03

OXIDANT ENHANCED FEAMMOX ACTIVITY

#10
20200109073
2020-04-09

Apparatus and method for removing nitrogen and phosphorus from sewage by using sponge iron and activated sludge

#11
20190352205
2019-11-21

Biodegradation of aniline from hypersaline environments using halophilic microorganisms

#12
20180191015
2018-07-05

Electroactive cultures and apparatuses therefor

#13
20180134597
2018-05-17

Method for actively treating mining wastewater for pigment production

#14
20180134580
2018-05-17

Ecological method for denitrification and phosphorus removal in wastewater treatment process

#15
20180065940
2018-03-08

METAL-BINDING COMPOUNDS, HETEROLOGOUS PRODUCTION AND USES THEREOF

#16
20180029909
2018-02-01

Methods and compositions for nitrogen removal using Feammox microorganisms

#17
20170320763
2017-11-09

Composition with a time release material for removing halogenated hydrocarbons from contaminated environments

#18
20160039694
2016-02-11

Iron-Containing Bioreactor & Method for Treating Reducible Compound Residues

#19
20160036083
2016-02-04

Electroactive cultures and apparatuses therefor

#20
20160023933
2016-01-28

BioFerric-flocculant enhanced primary treatment process (BEPT) for sewage treatment

#21
20150321933
2015-11-12

Methods and compositions for nitrogen removal using Feammox microorganisms

#22
20150048025
2015-02-19

Treatment of iron contaminated liquids with an activated iron solids (AIS) process

#23
20140190907
2014-07-10

Upper-layer cleaning device for water treatment device, and method for cleaning water treatment device filter layer

#24
20140138311
2014-05-22

APPARATUS AND METHOD FOR REDUCING NITRATE USING IRON-OXIDIZING MICROORGANISM

#25
20140087439
2014-03-27

COMPLEX AND USES THEREOF

#26
20130058846
2013-03-07

Method for processing acidic solution that contains iodide ions and iron ions

#27
20110017663
2011-01-27

SYSTEM AND METHOD FOR SIMULTANEOUS BIOLOGICALLY MEDIATED REMOVAL OF CONTAMINANTS FROM CONTAMINATED WATER

#28
20110006000
2011-01-13

Biofilm remediation of metal containing wastewater

#29
20100319913
2010-12-23

Biofilm remediation of fracture fluid

#30
20100112676
2010-05-06

ODOR CONTROL METHODS AND COMPOSITIONS

#31
20100075390
2010-03-25

DEVELOPMENT AND USE OF AN IRON-BASED CATALYST FOR IMPLEMENTING AN OXIDATION-REDUCTION PROCESS FOR SUBSTANCES TO BE REDUCED

#32
20080032394
2008-02-07

Ethanol production from biological wastes

#33
20080026443
2008-01-31

Ethanol production from biological wastes

#34
20080026442
2008-01-31

Ethanol production from biological wastes

#35
20070059815
2007-03-15

Odor control methods and compositions

#36
20060163154
2006-07-27

Compositions and methods for the treatment of wastewater and other waste

#37
20060032821
2006-02-16

Treatment of iron contaminated liquids with an activated iron solids (AIS) process

#38
20050266540
2005-12-01

Ethanol production from biological wastes

#39
19069227
2025-09-16

sp. DH4 with aerobic denitrification enhanced by inorganic electron donor and use thereof