ClassID:

30284

B01D2251/508 - CPC Classification

Classification description:

Reactants; Inorganic acids Sulfur dioxide

Recent Application in this class:
#1
20250222400
2025-07-10

PROCESS FOR STABILIZING NUTRIENTS IN A DISCHARGED ANAEROBIC DIGESTATE

#2
20230360511
2023-11-09

Methods and systems for automatically generating a remedial action in an industrial facility

#3
20190016598
2019-01-17

Enhancement of claus tail gas treatment by sulfur dioxide-selective membrane technology and sulfur dioxide-selective absorption technology

#4
20180257936
2018-09-13

Enhancement of claus tail gas treatment by sulfur dioxide-selective membrane technology and sulfur dioxide-selective absorption technology

#5
20180257028
2018-09-13

PROCESS AND APPARATUS FOR 5 CAPTURING GASEOUS AMMONIA

#6
20180154306
2018-06-07

Systems and methods for nitrogen recovery from a gas stream

#7
20180093221
2018-04-05

Butadiene sequestration via sulfur dioxide charged zeolite beds

#8
20170352243
2017-12-07

Methods and systems for automatically generating a remedial action in an industrial facility

#9
20170284666
2017-10-05

Sulphur-assisted carbon capture and storage (CCS) processes and systems

#10
20170252696
2017-09-07

Sulphur-assisted carbon capture and utilization (CCU) methods and systems

#11
20170128880
2017-05-11

Process and apparatus for capturing gaseous ammonia

#12
20150362188
2015-12-17

Sulphur-assisted carbon capture and storage (CCS) processes and systems

#13
20150027927
2015-01-29

Catalysts for oxidative sulfur removal and methods of making and using thereof

#14
20120219482
2012-08-30

Systems and processes for removing volatile degradation products produced in gas purification

#15
20120132073
2012-05-31

Method of Making an Activated Carbon Substrate Having Metal Sulfide

#16
20110250113
2011-10-13

Method of treating a syngas stream and an apparatus therefor

#17
20100260654
2010-10-14

Method and device for entrained-flow sulfation of flue gas constituents

#18
20100098618
2010-04-22

SULFUR REMOVAL FROM GASES

#19
20080233334
2008-09-25

FIBROUS PRODUCTS HAVING REDUCED FORMALDEHYDE EMISSIONS

#20
20060078491
2006-04-13

Process for sulfur removal suitable for treating high-pressure gas streams

#21
16388302
2020-03-17

Method and apparatus for treating a sulfur dioxide containing stream by hydrogen sulfide in aqueous conditions