Patents-Review.com
ClassID:

86620 ⎘

C02F2209/265 - CPC Classification

Classification description:

Controlling or monitoring parameters in water treatment; HS in the gas phase

Recent Application in this class:
#1
20250115493
2025-04-10

METHODS AND CONTROLLER FOR DETERMINING HYDROGEN SULFIDE TREATMENT DOSAGE

 #2
20250066222
2025-02-27

Method and System for Removing Hydrogen Sulfide From Sour Oil and Sour Water

 #3
20240010523
2024-01-11

Method and system for removing hydrogen sulfide from sour oil and sour water

 #4
20230038934
2023-02-09

Utilization of biogas scrubber in anaerobic membrane bioreactor systems

 #5
20230002249
2023-01-05

Method and system for removing hydrogen sulfide from sour oil and sour water

 #6
20210317025
2021-10-14

Device and method for sulphur cycle-based advanced denitrification of waste water coupling autotrophic denitrification and heterotrophic denitrification

 #7
20210122648
2021-04-29

Method and system for removing hydrogen sulfide from sour oil and sour water

 #8
20200255304
2020-08-13

Method and system for controlling odor in water system

 #9
20180222771
2018-08-09

Method and system for removing hydrogen sulfide from sour oil and sour water

 #10
20180021722
2018-01-25

Rotating spray device for water distribution on media bed of a biofilter

 #11
20170355618
2017-12-14

Method and system for removing hydrogen sulfide from sour oil and sour water

 #12
20170120190
2017-05-04

Biofilter with fuzzy logic control

 #13
20160289575
2016-10-06

Method and system for removing hydrogen sulfide from sour oil and sour water

 #14
20150315485
2015-11-05

Method and system for removing hydrogen sulfide from sour oil and sour water

 #15
20150217228
2015-08-06

Biofilter with fuzzy logic control

 #16
20140238902
2014-08-28

Method and system for removing hydrogen sulfide from sour oil and sour water

 #17
20140027377
2014-01-30

Process to treat industrial wastewater

 #18
20130341269
2013-12-26

Method for desulphuration of the digestate and the biogas of a digester, and biogas production facility implementing said method

 #19
20130220939
2013-08-29

Method of controlling addition rate of an odor control chemical

 #20
20110233146
2011-09-29

SYNERGISTIC WASTEWATER ODOR CONTROL COMPOSITION, SYSTEMS, AND RELATED METHODS THEREFOR

 #21
20090242468
2009-10-01

System for Controlling the Concentration of a Detrimental Substance in a Sewer Network

 #22
20070175822
2007-08-02

Process and apparatus for anaerobic treatment of sulfur compound-containing wastewater

 #23
20060186040
2006-08-24

Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater

 #24
20050242011
2005-11-03

Apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater

 #25
20050242010
2005-11-03

Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater

 #26
20050224409
2005-10-13

System for controlling sulfide generation