ClassID:

156950

F23K2201/505 - CPC Classification

Classification description:

Pretreatment of solid fuel; Blending with additives

Recent Application in this class:
#1
20210332977
2021-10-28

Reducing mercury emissions from the burning of coal by remote sorbent addition

#2
20210239318
2021-08-05

Sorbents for coal combustion

#3
20200332214
2020-10-22

Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers

#4
20200332213
2020-10-22

Method and additive for controlling nitrogen oxide emissions

#5
20200248902
2020-08-06

Reducing mercury emissions from the burning of coal by remote sorbent addition

#6
20200240632
2020-07-30

Sorbents for coal combustion

#7
20200071629
2020-03-05

Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers

#8
20190101286
2019-04-04

Reducing mercury emissions from the burning of coal

#9
20190093883
2019-03-28

Sorbents for coal combustion

#10
20180362870
2018-12-20

Enzyme treatment of coal for mercury remediation

#11
20180224121
2018-08-09

Sorbents for coal combustion

#12
20180223206
2018-08-09

Method and additive for controlling nitrogen oxide emissions

#13
20180208865
2018-07-26

Low sulfur coal additive for improved furnace operation

#14
20180127673
2018-05-10

Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers

#15
20180086995
2018-03-29

Sorbent containing engineered fuel feed stock

#16
20180045408
2018-02-15

Reducing mercury emissions from the burning of coal

#17
20170292700
2017-10-12

Sorbents for coal combustion

#18
20160327265
2016-11-10

Reducing mercury emissions from the burning of coal

#19
20160320056
2016-11-03

Pressurized oxycombustion process

#20
20160177209
2016-06-23

ADDITION OF CLAY AND SLAG TO COAL-FIRED COMBUSTORS

#21
20160137942
2016-05-19

Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers

#22
20160108328
2016-04-21

Sorbent containing engineered fuel feed stock

#23
20160053993
2016-02-25

Process for operating a coal-fired furnace with reduced slag formation

#24
20160025337
2016-01-28

Sorbents for coal combustion

#25
20150377483
2015-12-31

Process for operating a furnace with bituminous coal and method for reducing slag formation therewith

#26
20150362186
2015-12-17

Methods for operating a furnace

#27
20150323254
2015-11-12

Mineral slurry drying method and system

#28
20150226423
2015-08-13

Dual-bed system for preventing boiler heating surface from being contaminated

#29
20150210947
2015-07-30

Body of molecular sized fuel additive

#30
20150122161
2015-05-07

Mineral additive blend compositions and methods of use thereof

#31
20150096480
2015-04-09

Reducing mercury emissions from the burning of coal

#32
20150053123
2015-02-26

Low sulfur coal additive for improved furnace operation

#33
20150000187
2015-01-01

Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers

#34
20140318428
2014-10-30

Process for operating a coal-fired furnace with reduced slag formation

#35
20140224158
2014-08-14

Sorbents for coal combustion

#36
20140216309
2014-08-07

System and method for increasing the service life and/or catalytic activity of an SCR catalyst and control of multiple emissions

#37
20140157659
2014-06-12

Sorbent containing engineered fuel feed stock

#38
20140144812
2014-05-29

Mineral slurry drying method and system

#39
20140141380
2014-05-22

Reducing mercury emissions from the burning of coal

#40
20140137466
2014-05-22

Methods and compositions for drying coal

#41
20140053760
2014-02-27

Reducing sulfur gas emissions resulting from the burning of carbonaceous fuels

#42
20140041561
2014-02-13

Method and additive for controlling nitrogen oxide emissions

#43
20130156667
2013-06-20

System and method for increasing the service life and/or catalytic activity of an SCR catalyst and control of multiple emissions

#44
20130040248
2013-02-14

Composite fuel for fires

#45
20120312206
2012-12-13

Method for reducing slag in biomass combustion

#46
20120285352
2012-11-15

Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers

#47
20120272877
2012-11-01

Reducing mercury emissions from the burning of coal

#48
20120210633
2012-08-23

Sorbent containing engineered fuel feed stock

#49
20120204773
2012-08-16

Process for operating a furnace with a bituminous coal and method for reducing slag formation therewith

#50
20120174830
2012-07-12

METHOD OF OPERATING A COAL BURNING FACILITY

#51
20120167457
2012-07-05

Methods and compositions for drying coal

#52
20120145054
2012-06-14

Densified fuel pellets

#53
20120107472
2012-05-03

Process using agriculture residue biomass for producing feed pellets

#54
20120100490
2012-04-26

Sorbents for coal combustion

#55
20120100052
2012-04-26

System and method for protection of SCR catalyst and control of multiple emissions

#56
20120024992
2012-02-02

Automated process for handling bales for pellet production

#57
20120021123
2012-01-26

PROCESS TO SEQUESTER CARBON, MERCURY, AND OTHER CHEMICALS

#58
20110306002
2011-12-15

Densified fuel pellets

#59
20110300498
2011-12-08

METHODS FOR OPERATING A FURNACE

#60
20110281222
2011-11-17

Sorbents for coal combustion

#61
20110252662
2011-10-20

MINERAL SLURRY DRYING METHOD AND SYSTEM

#62
20110247233
2011-10-13

COAL DRYING METHOD AND SYSTEM

#63
20110229388
2011-09-22

System and method for increasing the service life and/or catalytic activity of an SCR catalyst and control of multiple emissions

#64
20110203499
2011-08-25

Reducing mercury emissions from the burning of coal

#65
20110179695
2011-07-28

METHODS AND COMPOSITIONS FOR DRYING COAL

#66
20110174597
2011-07-21

Biomass feed system/process

#67
20110120355
2011-05-26

Burning method of woody pellet and burning apparatus thereof

#68
20110100271
2011-05-05

Device and method for controlling the fuel-air ratio during the combustion of ground coal in the firing system of a coal power plant

#69
20110099890
2011-05-05

Sorbent containing engineered fuel feed stock

#70
20110078917
2011-04-07

Coal fine drying method and system

#71
20110030592
2011-02-10

Additives for mercury oxidation in coal-fired power plants

#72
20110003686
2011-01-06

Coal heat-treatment process and system

#73
20100330509
2010-12-30

Biofuel

#74
20100323308
2010-12-23

Sorbents for coal combustion

#75
20100281767
2010-11-11

Biomass pelletizing process

#76
20100251938
2010-10-07

Reducing mercury emissions from the burning of coal

#77
20100244448
2010-09-30

Method and apparatus for blending lignite and coke slurries

#78
20100139482
2010-06-10

Reducing mercury emissions from the burning of coal

#79
20100024697
2010-02-04

Preparation of fuel usable in a fossil-fuel-fired system

#80
20100024693
2010-02-04

Fossil-fuel-fired system having reduced emissions and method of operating the same

#81
20100024290
2010-02-04

Fuel usable to control the emissions and/or opacity of gas released into the atmosphere

#82
20090205546
2009-08-20

Densified fuel pellets

#83
20090178599
2009-07-16

Process for operating a coal-fired furnace with reduced slag formation

#84
20090119981
2009-05-14

Methods and systems for briquetting solid fuel

#85
20090117019
2009-05-07

Reducing mercury emissions from the burning of coal

#86
20080286703
2008-11-20

Reducing sulfur gas emissions resulting from the burning of carbonaceous fuels

#87
20080264047
2008-10-30

Catalyst Delivery System

#88
20080213146
2008-09-04

Technical and economic optimization of combustion, nitrogen oxides, sulfur dioxide, mercury, carbon dioxide, coal ash and slag and coal slurry use in coal fired furnaces/boilers

#89
20080121142
2008-05-29

Reducing mercury emissions from the burning of coal

#90
20070168213
2007-07-19

Methods of operating a coal burning facility

#91
20070163476
2007-07-19

Apparatus for delivery of sorbent to a furnace during combustion

#92
20070140943
2007-06-21

Sorbent composition to reduce emissions from the burning of carbonaceous fuels

#93
20070119351
2007-05-31

System and method for decreasing a rate of slag formation at predetermined locations in a boiler system

#94
20060210463
2006-09-21

Reducing mercury emissions from the burning of coal

#95
20060196397
2006-09-07

Pressurized vessel internal material conveying apparatus and method

#96
20060117651
2006-06-08

Chemical change agent

#97
20060090678
2006-05-04

Reduction of NOx in combustion flue gas

#98
20060034743
2006-02-16

Reduction of coal-fired combustion emissions

#99
20050150440
2005-07-14

Method for combusting an organic waste concentrate containing alkali metal compounds under oxidative conditions

#100
17991647
2025-02-04

Methods and apparatus for carbonaceous fuel and/or feedstock treatment

#101
17216613
2022-11-22

Methods and apparatus for improved gasification of carbonaceous feedstock

#102
15633635
2019-02-12

Gasification feedstock treatment methods and apparatus