B01D2257/00 - CPC Classification Index

ClassID:

30469 ⎘

B01D2257/00 - CPC Classification

Classification description:

Components to be removed

Sub-classes:

B01D2257/10 » Single element gases other than halogens 22
B01D2257/20 » Halogens or halogen compounds 46
B01D2257/30 » Sulfur compounds 287
B01D2257/40 » Nitrogen compounds 247
B01D2257/50 » Carbon oxides 63
B01D2257/55 » Compounds of silicon, phosphorus, germanium or arsenic 82
B01D2257/60 » Heavy metals or heavy metal compounds 260
B01D2257/70 » Organic compounds not provided for in groups to 326
B01D2257/80 » Water 1,9K
B01D2257/90 » Odorous compounds not provided for in groups to 455
B01D2257/91 » Bacteria; Micro-organisms 394
B01D2257/93 » Toxic compounds not provided for in groups to 111

Recent Application in this class:

20190030494

2019-01-31

Cryogel for the removal of heparins and heparinoids from aqueous solutions, physiological solutions and biological fluids, preparation process and uses thereof

20180028964

2018-02-01

Activated Carbon Bed For Use With A Wet Scrubber System

20160023992

2016-01-28

Method for producing copolymer for semiconductor lithography containing reduced amount of metal impurities, and method for purifying polymerization initiator for production of copolymer

20140369909

2014-12-18

Dry chemical scrubber with pH adjustment

20120271020

2012-10-25

Method for producing copolymer for semiconductor lithography containing reduced amount of metal impurities, and method for purifying polymerization initiator for production of copolymer

20090232713

2009-09-17

Method of processing alkali-activation exhaust gas

20090078656

2009-03-26

Apparatus and methods for ambient air abatement of electronic manufacturing effluent

20080269046

2008-10-30

EXHAUST GAS PURIFICATION CATALYST AND MANUFACTURING METHOD THEREOF

20070116618

2007-05-24

Method of processing alkali-activation exhaust gas

#10

20060151395

2006-07-13

Treatment of environmental pollutants with mineral ores