Patents-Review.com
ClassID:

106302 ⎘

C10L9/08 - CPC Classification

Classification description:

Treating solid fuels to improve their combustion by heat treatments, e.g. calcining

Sub-classes:
Recent Application in this class:
#1
20260008974
2026-01-08

SYSTEMS AND METHODS FOR PRODUCTION OF RENEWABLE HYDROGEN FOR WASTE COLLECTION AND WASTE MANAGEMENT CENTER VEHICLES

 #2
20250163339
2025-05-22

PELLETIZED PRODUCTS AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

 #3
20240368492
2024-11-07

SAWDUST CHARCOAL

 #4
20240309283
2024-09-19

Solid Thermochemical Fuel Apparatus

 #5
20240191152
2024-06-13

SYSTEMS AND METHODS FOR PRODUCTION OF RENEWABLE HYDROGEN FOR WASTE COLLECTION AND WASTE MANAGEMENT CENTER VEHICLES

 #6
20230348805
2023-11-02

PROCESS FOR BENEFICIATING AND CLEANING BIOMASS

 #7
20230201784
2023-06-29

SYSTEM AND METHOD FOR A MULTI-CHAMBER BIOMASS REACTOR

 #8
20230183590
2023-06-15

Solid thermochemical fuel apparatus

 #9
20230017322
2023-01-19

PROCESSING OF LOW RANK COAL

 #10
20220372373
2022-11-24

Combined hydrothermal liquefaction and catalytic hydrothermal gasification system and process for conversion of biomass feedstocks

 #11
20220348837
2022-11-03

PROCESSING OF LOW RANK COAL

 #12
20220315854
2022-10-06

Method for producing a biofuel by steam cracking

 #13
20220315853
2022-10-06

METHOD FOR PRODUCING A BIOFUEL BY STEAM CRACKING

 #14
20220235288
2022-07-28

Steam cracking control for improving the PCI black granules

 #15
20220089962
2022-03-24

Method for the continuous production of a combustible material for an industrial boiler, corresponding material and installation

 #16
20210395126
2021-12-23

System and method for treating excrement of livestock

 #17
20210292672
2021-09-23

Method and process for upgrading lignite by collaborative optimization of drying and dry sorting

 #18
20210285017
2021-09-16

METHOD AND SYSTEM FOR IMPROVING THE GREENHOUSE GAS EMISSION REDUCTION PERFORMANCE OF BIOGENIC FUELS, HEATING MEDIUMS AND COMBUSTION MATERIALS AND/OR FOR ENRICHING AGRICULTURAL AREAS WITH CARBON-CONTAINING HUMUS

 #19
20210284913
2021-09-16

Biocoal fuel product and processes and systems for the production thereof

 #20
20210238109
2021-08-05

System and method for reprocessing animal bedding

 #21
20210214629
2021-07-15

Processing of low rank coal

 #22
20210214627
2021-07-15

Processing of low rank coal

 #23
20210207049
2021-07-08

High protein organic materials as fuel and processes for making the same

 #24
20210130721
2021-05-06

Method and apparatus for production of cellulose based fuel pellets

 #25
20210087486
2021-03-25

Process for beneficiating and cleaning biomass

 #26
20200360834
2020-11-19

Method and apparatus to extract products from heat treatment process

 #27
20200299600
2020-09-24

Hybrid boiler-dryer and method

 #28
20200157448
2020-05-21

METHOD FOR THE PRODUCTION OF PELLETS OR BRIQUETTES

 #29
20200156039
2020-05-21

UPGRADING PROCESS STREAMS

 #30
20200087742
2020-03-19

Operating method of an iron making installation and associated operating installation

 #31
20200086273
2020-03-19

PROCESSING MATERIALS

 #32
20200040273
2020-02-06

WOOD PROCESSING METHOD

 #33
20200038811
2020-02-06

ENCLOSURES FOR TREATING MATERIALS

 #34
20190387587
2019-12-19

Dielectric heating of three-dimensional carbon nanostructured porous foams as a heat exchanger for volumetric heating of flowing fluids

 #35
20190316294
2019-10-17

RECONFIGURABLE PROCESSING ENCLOSURES

 #36
20190316051
2019-10-17

Method of converting biomass

 #37
20190263727
2019-08-29

System and method for reprocessing animal bedding

 #38
20190232228
2019-08-01

CONTROLLING PROCESS GASES

 #39
20190153346
2019-05-23

Biomass fuel manufacturing plant, manufacturing plant system, and biomass fuel manufacturing method

 #40
20190144303
2019-05-16

Continuous flow methods and apparatuses for processing human waste

 #41
20190127652
2019-05-02

Methods of producing calcined coke from bio-oil and calcined coke produced thereby

 #42
20190119593
2019-04-25

Biomass solid fuel

 #43
20190093018
2019-03-28

Biomass treatment method

 #44
20190091739
2019-03-28

Solid waste processing with pyrolysis of cellulosic waste

 #45
20190071614
2019-03-07

COAL CHAR PASSIVATION PROCESS AND APPARATUS

 #46
20190071606
2019-03-07

Combined hydrothermal liquefaction and catalytic hydrothermal gasification system and process for conversion of biomass feedstocks

 #47
20190055488
2019-02-21

Method and system for enhancing the carbon content of carbon-containing materials

 #48
20190039023
2019-02-07

Processing materials

 #49
20190010662
2019-01-10

Array for processing materials

 #50
20180371323
2018-12-27

Compositions and methods for producing calcined coke from biorenewable sources

 #51
20180339270
2018-11-29

Processing materials

 #52
20180334630
2018-11-22

Process for beneficiating and cleaning biomass to form engineered soil

 #53
20180334629
2018-11-22

Process for beneficiating and cleaning biomass

 #54
20180334619
2018-11-22

Supercritical water upgrading process to produce high grade coke

 #55
20180208852
2018-07-26

Biocoal fuel product and processes and systems for the production thereof

 #56
20180208851
2018-07-26

Carbide producing method and carbide producing device

 #57
20180195017
2018-07-12

PROCESSED BIOCHAR PELLETS FROM BENEFICIATED ORGANIC-CARBON-CONTAINING FEEDSTOCK

 #58
20180193801
2018-07-12

Upgrading process streams

 #59
20180187113
2018-07-05

Process of Producing Aggregates of Cleaned Coal Fines and Beneficiated Organic-Carbon-Containing Feedstock

 #60
20180179448
2018-06-28

RENEWABLE BIOMASS DERIVED CARBON MATERIAL FOR METALLURGICAL PROCESSES AND METHOD OF MAKING THE SAME

 #61
20180161781
2018-06-14

Method and facility for biomass preparation

 #62
20180154336
2018-06-07

Coal ash treatment system and method

 #63
20180142171
2018-05-24

Integrated drying and gasification process for simultaneously producing synthetic gas and high rank coal

 #64
20180112143
2018-04-26

PROCESS AND APPARATUS FOR THE PRODUCTION OF CALCINED PETROLEUM COKE

 #65
20180066199
2018-03-08

Method and system for the manufacture of methane as well as heat and electricity by hydrogasification of biomass

 #66
20180058266
2018-03-01

METHODS AND SYSTEMS FOR THE STORAGE OF NUCLEAR ENERGY IN INCREASED ENERGY DENSITY COAL

 #67
20180058265
2018-03-01

METHODS AND SYSTEMS FOR STORAGE OF RENEWABLE ENERGY SOURCES IN INCREASED ENERGY DENSITY COAL

 #68
20180057763
2018-03-01

METHODS AND SYSTEMS FOR DECREASING EMISSIONS OF CARBON DIOXIDE FROM COAL-FIRED POWER PLANTS

 #69
20180057752
2018-03-01

Method of and system for producing solid carbon materials

 #70
20180044603
2018-02-15

METHOD FOR MANUFACTURING ASHLESS COAL

 #71
20180038048
2018-02-08

Processing materials

 #72
20180023004
2018-01-25

Method of producing needle coke for low CTE graphite electrodes

 #73
20180023003
2018-01-25

Combined hydrothermal liquefaction and catalytic hydrothermal gasification system and process for conversion of biomass feedstocks

 #74
20180016745
2018-01-18

Reconfigurable processing enclosures

 #75
20170321140
2017-11-09

Methods of producing solid fuel using low ash, low sulfur coal replacement from fast pyrolysis of biomass

 #76
20170268169
2017-09-21

Array for processing materials

 #77
20170260455
2017-09-14

Pot furnace low-temperature calcination process

 #78
20170190994
2017-07-06

High protein organic materials as fuel and processes for making the same

 #79
20170183589
2017-06-29

Coal char passivation process and apparatus

 #80
20170183588
2017-06-29

Process for converting a biomass into at least one biochar

 #81
20170166819
2017-06-15

Supercritical water upgrading process to produce high grade coke

 #82
20170165628
2017-06-15

Controlling process gases

 #83
20170145331
2017-05-25

Method of Using A Reaction Chamber for Beneficiation

 #84
20170138667
2017-05-18

Wind permeation-type dryer capable of scraping material

 #85
20170137731
2017-05-18

COAL ENHANCEMENT PROCESS

 #86
20170137716
2017-05-18

Coal mixture, method for manufacturing coal mixture, and method for manufacturing coke

 #87
20170089640
2017-03-30

Drying method for processing material and horizontal rotary dryer

 #88
20170081605
2017-03-23

Combustible pellet drying system

 #89
20170044713
2017-02-16

Array for processing materials

 #90
20170036186
2017-02-09

Processing materials

 #91
20170036185
2017-02-09

Reconfigurable processing enclosures

 #92
20170015909
2017-01-19

Process for producing bio-products from biomass using rotary compression unit

 #93
20160369194
2016-12-22

INTEGRATED METHOD AND APPARATUS BASED ON PULSATING FLUIDIZATION FOR LIGNITE DE-ASHING AND DEHYDRATION

 #94
20160348023
2016-12-01

Lignite drying with closed loop heat pump

 #95
20160348022
2016-12-01

Method of producing modified coal, and modified coal

 #96
20160298046
2016-10-13

Aggregates of Coal and Beneficiated Organic-Carbon-Containing Feedstock

 #97
20160298044
2016-10-13

Coal deactivation processing device

 #98
20160289582
2016-10-06

COAL DEACTIVATION PROCESSING DEVICE

 #99
20160273410
2016-09-22

THERMAL POWER PLANT WITH USE OF THE WASTE HEAT FROM A GENERATOR

 #100
20160272909
2016-09-22

COAL DRIVING SYSTEM USING REHEAT STEAM

 #101
20160264897
2016-09-15

Biomass apparatus and method with pre-treatment and reflux condenser

 #102
20160264896
2016-09-15

APPARATUS FOR DRYING COAL USING REHEAT STEAM

 #103
20160264869
2016-09-15

Coal upgrade plant and method for manufacturing upgraded coal

 #104
20160222476
2016-08-04

Array for processing materials

 #105
20160177208
2016-06-23

Methods of producing calcined coke from bio-oil and calcined coke produced thereby

 #106
20160168470
2016-06-16

Devolatilization system and methods thereof

 #107
20160160141
2016-06-09

PRODUCTION METHOD OF REFORMED COAL

 #108
20160145495
2016-05-26

Process and apparatus for quenching coke

 #109
20160122675
2016-05-05

SOLID FUEL MANUFACTURING METHOD AND MANUFACTURING DEVICE

 #110
20160115412
2016-04-28

Treatment of coal

 #111
20160102260
2016-04-14

Efficient volatile metal removal from low rank coal in gasification, combustion, and processing systems and methods

 #112
20160097157
2016-04-07

System and method using a reaction chamber to beneficiate organic-carbon-containing feedstock for downstream processes

 #113
20160060114
2016-03-03

Carbonized carbon and articles formed therefrom

 #114
20160002555
2016-01-07

Method and apparatus for preparing fuel from biomass

 #115
20160002552
2016-01-07

Method for producing molded solid fuel

 #116
20150376530
2015-12-31

Method of producing carbon-enriched biomass material

 #117
20150362185
2015-12-17

System and process for combusting cleaned coal and beneficiated organic-carbon-containing feedstock

 #118
20150362184
2015-12-17

System and process for combusting coal and beneficiated organic-carbon-containing feedstock

 #119
20150362179
2015-12-17

System for co-firing coal and beneficiated organic-carbon-containing feedstock in a coal combustion apparatus

 #120
20150361361
2015-12-17

Integrated drying and gasification process for simultaneously producing synthetic gas and high rank coal

 #121
20150329793
2015-11-19

Coal deactivation processing device and equipment for producing modified coal using same

 #122
20150329365
2015-11-19

Method of manufacturing carbon-rich product and co-products

 #123
20150307782
2015-10-29

Multi-level furnace and method for thermal treatment of a material flow

 #124
20150259616
2015-09-17

Method for manufacturing solid fuel and solid fuel

 #125
20150218477
2015-08-06

Method for preparing blast furnace blow-in coal

 #126
20150218476
2015-08-06

Indirect heat drying method for particulate matter, refined-coal production method, indirect heat drying device, and refined-coal production device

 #127
20150210946
2015-07-30

Refined-coal production method, and refined-coal production device

 #128
20150210945
2015-07-30

Coal deactivation processing device

 #129
20150203776
2015-07-23

METHOD AND SYSTEM FOR HEATING A BED OF HYDROCARBON- CONTAINING ROCKS

 #130
20150197699
2015-07-16

METHOD FOR PRODUCING CARBONIZED COAL, METHOD FOR WORKING BLAST FURNACE, AND METHOD FOR OPERATING BOILER

 #131
20150183641
2015-07-02

Hydrothermal carbonization of sewage wastes

 #132
20150175891
2015-06-25

Coal reforming method and coal reforming apparatus

 #133
20150174519
2015-06-25

Active coke regeneration mixed vapor treatment method and apparatus

 #134
20150136579
2015-05-21

Upgrading coal and other carbonaceous fuels using a lean fuel gas stream from a pyrolysis step

 #135
20150083571
2015-03-26

System and method using a horizontal sublimation chamber for production of fuel from a carbon-containing feedstock

 #136
20150027039
2015-01-29

APPARATUS AND METHOD FOR DRYING BIOMASS

 #137
20150021158
2015-01-22

COAL DRY DISTILLATION DEVICE

 #138
20150007494
2015-01-08

Process for production of low ash clean coal from high ash coal with total solvent recovery

 #139
20140366433
2014-12-18

Coal deactivation treatment device

 #140
20140366432
2014-12-18

Process flow sheet for pre-treatment of high ash coal to produce clean coal

 #141
20140352168
2014-12-04

Apparatus and system for manufacturing quality coal products

 #142
20140345193
2014-11-27

Method for deactivating coal

 #143
20140318969
2014-10-30

Upgrading process streams

 #144
20140305035
2014-10-16

SYSTEM FOR DRYING COAL USING SUPERHEATED STEAM

 #145
20140290130
2014-10-02

DEVICE FOR UPGRADING SOLID ORGANIC MATERIALS

 #146
20140284494
2014-09-25

Reconfigureable processing enclosures

 #147
20140284205
2014-09-25

Enclosures for treating materials

 #148
20140284203
2014-09-25

Controlling process gases

 #149
20140250777
2014-09-11

Coal enhancement process

 #150
20140196362
2014-07-17

Process for upgrading low rank carbonaceous material

 #151
20140182196
2014-07-03

Apparatus for upgrading coal and method of using same

 #152
20140141381
2014-05-22

METHOD OF ENHANCING THE QUALITY OF HIGH-MOISTURE MATERIALS USING SYSTEM HEAT SOURCES

 #153
20140090584
2014-04-03

Use of contaminated low-rank coal for combustion

 #154
20140070116
2014-03-13

Pre-burning, dry process methodology and systems for enhancing mettallurgical solid fuel properties

 #155
20140030155
2014-01-30

Complex system for utilizing coal in manufacture of char and raw material gas and electric power generation

 #156
20140026791
2014-01-30

Device and method for manufacturing semi-carbonized fuel of biomass, and power generation system using semi-carbonized fuel

 #157
20130333280
2013-12-19

Method for gas treatment of coal

 #158
20130331623
2013-12-12

Combined hydrothermal liquefaction and catalytic hydrothermal gasification system and process for conversion of biomass feedstocks

 #159
20130298455
2013-11-14

Systems and methods for producing engineered fuel feedstocks with reduced chlorine content

 #160
20130277198
2013-10-24

System and method for purifying solid carboniferous fuels, using a rotary chamber, prior to chemical looping combustion

 #161
20130239471
2013-09-19

Coal deactivation apparatus

 #162
20130126329
2013-05-23

Coal material decomposition apparatus with combined screw-type bins

 #163
20130036622
2013-02-14

DEVICE AND METHOD FOR THERMALLY PRE-TREATING SOLID RAW MATERIALS IN A CONCENTRICALLY STEPPED FLUIDIZED BED

 #164
20130014441
2013-01-17

Upgrading coal and other carbonaceous fuels using a lean fuel gas stream from a pyrolysis step

 #165
20120317873
2012-12-20

HYDROTHERMAL HYDROCATALYTIC TREATMENT OF BIOMASS

 #166
20120317872
2012-12-20

PROCESS TO PRODUCE BIOFUELS FROM BIOMASS

 #167
20120305379
2012-12-06

Coal processing to upgrade low rank coal having low oil content

 #168
20120272569
2012-11-01

Process for Drying Coal

 #169
20120255224
2012-10-11

Method of manufacturing coke from low grade coal

 #170
20120241306
2012-09-27

Coal reforming system

 #171
20120228197
2012-09-13

Integrated drying and dry separation apparatus for upgrading raw coal and method thereof

 #172
20120227315
2012-09-13

Process for modifying fuel solids

 #173
20120211913
2012-08-23

Pelletization and calcination of green coke

 #174
20120210635
2012-08-23

Pelletization and calcination of green coke using an organic binder

 #175
20120186968
2012-07-26

LONG-LASTING INTERNAL RETENTION DAM/RING FOR COKE CALCINING KILNS

 #176
20120168296
2012-07-05

BIOCOKES PRODUCING METHOD AND APPARATUS

 #177
20120160659
2012-06-28

Methodology for the removal of inorganic components from urban wastes, industrial wastes and sludges from sewage treatment plants

 #178
20120151835
2012-06-21

Methodology for the removal of inorganic components from biomass of agro/forest/urban origin and from low-quality coal such as peat, lignite, sub-bituminous and bituminous coals

 #179
20120117816
2012-05-17

Water-containing solid fuel drying apparatus and drying method

 #180
20120103040
2012-05-03

Method for the hydrothermal carbonization of renewable raw materials and organic residues

 #181
20120096764
2012-04-26

Process for purifying solid carboniferous fuels prior to combustion, liquefaction or gasification using a rotary chamber

 #182
20120067789
2012-03-22

Apparatus and method of enhancing the quality of high-moisture materials and separating and concentrating organic and/or non-organic material contained therein

 #183
20120056431
2012-03-08

Efficient low rank coal gasification, combustion, and processing systems and methods

 #184
20120048491
2012-03-01

Process and apparatus for recycling coated paper products

 #185
20120017498
2012-01-26

System and Method for Obtaining Combinations of Coal and Biomass Solid Fuel Pellets with High Caloric Content

 #186
20110314730
2011-12-29

Advanced coal upgrading process for a power station

 #187
20110302834
2011-12-15

Upgrading carbonaceous materials

 #188
20110302832
2011-12-15

Method for the production of pellets or briquettes

 #189
20110296748
2011-12-08

METHODS FOR THE MANUFACTURE OF FUEL PELLETS AND OTHER PRODUCTS FROM LIGNOCELLULOSIC BIOMASS

 #190
20110284671
2011-11-24

Method and apparatus for upgrading coal

 #191
20110277380
2011-11-17

TREATMENT OF LOW RANK COALS

 #192
20110238600
2011-09-29

ORGANIC WASTE DECOMPOSITION EXCHANGE SYSTEM

 #193
20110236516
2011-09-29

Coal reforming apparatus

 #194
20110214309
2011-09-08

Control system for particulate material drying apparatus and process

 #195
20110203177
2011-08-25

METHOD FOR PROCESSING COAL AND APPARATUS FOR THE IMPLEMENTATION THEREOF

 #196
20110186478
2011-08-04

Process for producing needle coke for graphite electrode and stock oil composition for use in the process

 #197
20110179700
2011-07-28

System and Method for Torrefaction and Processing of Biomass

 #198
20110147193
2011-06-23

COAL REFORMING PLANT

 #199
20110146544
2011-06-23

METHOD AND SYSTEM FOR SEPARATION OF CONTAMINANTS FROM COAL

 #200
20110120013
2011-05-26

Coal processing operation comprising a dense media separation stage to separate a coal feedstock into lower and higher ash coal streams

 #201
20110108404
2011-05-12

Cyclic batch coal devolatilization apparatus

 #202
20110099893
2011-05-05

Treatment of coal

 #203
20110094150
2011-04-28

COAL ENHANCEMENT PROCESS

 #204
20110056127
2011-03-10

METHOD FOR COAL CONVERSION AND APPARATUS FOR IMPLEMENTATION THEREOF

 #205
20110021862
2011-01-27

Method for treating organic waste and method of utilizing heat energy

 #206
20110011722
2011-01-20

Process for treating coal by removing volatile components

 #207
20110005126
2011-01-13

Apparatus and process for producing solid fuel

 #208
20100293847
2010-11-25

Engine fuels from coal volatile matter

 #209
20100293837
2010-11-25

Engine fuels from coal and biomass volatile matter

 #210
20100281769
2010-11-11

HOT SOLIDS PROCESS SELECTIVELY OPERABLE BASED ON THE TYPE OF APPLICATION THAT IS INVOLVED

 #211
20100263269
2010-10-21

Process for drying coal

 #212
20100205858
2010-08-19

MODIFIED BIOMASS COMPRISING SYNTHETICALLY GROWN CARBON FIBERS

 #213
20100181183
2010-07-22

Method for the removal of inorganic compounds of biomass from agricultural, forest and urban sources

 #214
20100178624
2010-07-15

Method of manufacturing carbon-rich product and co-products

 #215
20100168495
2010-07-01

Processes for preparing a catalyzed carbonaceous particulate

 #216
20100115841
2010-05-13

DRYING AND GASIFICATION PROCESS

 #217
20100101142
2010-04-29

METHOD FOR THE WET-CHEMICAL TRANSFORMATION OF BIOMASS BY HYDROTHERMAL CARBONIZATION

 #218
20100037516
2010-02-18

METHOD FOR THERMALLY UPGRADING CARBONACEOUS MATERIALS

 #219
20100005710
2010-01-14

Upgrading carbonaceous materials

 #220
20090313847
2009-12-24

Device and method for obtaining energy carriers from moist biomass

 #221
20090300940
2009-12-10

Apparatus for upgrading coal

 #222
20090272028
2009-11-05

Methods and systems for processing solid fuel

 #223
20090250331
2009-10-08

Autothermal and mobile torrefaction devices

 #224
20090217574
2009-09-03

PROCESS, SYSTEM AND APPARATUS FOR PASSIVATING CARBONACEOUS MATERIALS

 #225
20090199425
2009-08-13

Processing device for improved utilization of fuel solids

 #226
20090178333
2009-07-16

Coal drying method and equipment, method for aging reformed coal and aged reformed coal, and process and system for producing reformed coal

 #227
20090178332
2009-07-16

Coal drying method and equipment, method for aging reformed coal and aged reformed coal, and process and system for producing reformed coal

 #228
20090158610
2009-06-25

Thermal coal upgrading processor

 #229
20090119981
2009-05-14

Methods and systems for briquetting solid fuel

 #230
20090114591
2009-05-07

Method for heat recovery from pre-treated biomass

 #231
20090084029
2009-04-02

Process and device for treating biomass

 #232
20090048476
2009-02-19

Catalyst-loaded coal compositions, methods of making and use

 #233
20090045103
2009-02-19

Thermal coal upgrading process

 #234
20090038213
2009-02-12

Pre-burning, dry process methodology and systems for enhancing metallurgical solid fuel properties

 #235
20080223269
2008-09-18

Method and apparatus for biomass torrefaction using conduction heating

 #236
20080201980
2008-08-28

Apparatus and method of enhancing the quality of high-moisture materials and separating and concentrating organic and/or non-organic material contained therein

 #237
20080172933
2008-07-24

Agricultural fibre fuel pellets

 #238
20080057282
2008-03-06

Biomass densifier apparatus

 #239
20080003167
2008-01-03

Method of producing needle coke for low CTE graphite electrodes

 #240
20070295590
2007-12-27

METHODS AND SYSTEMS FOR ENHANCING SOLID FUEL PROPERTIES

 #241
20070187222
2007-08-16

Method for pretreating and improving coking coal quality for blast furnace coke

 #242
20070184556
2007-08-09

On-line monitoring method and device for a fossil fuel converter apparatus

 #243
20070158174
2007-07-12

Energy management in a power generation plant

 #244
20070151147
2007-07-05

Microwave drying of coal

 #245
20070144415
2007-06-28

Coal Upgrading Process Utilizing Nitrogen and/or Carbon Dioxide

 #246
20070119753
2007-05-31

COAL UPGRADING UTILIZING CARBON DIOXIDE

 #247
20070119749
2007-05-31

COAL UPGRADING UTILIZING NITROGEN

 #248
20070064764
2007-03-22

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