Recirculation of the exhaust gases

Industry

CPC
C21B2100/04

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Parent Industries

CCHEMISTRY METALLURGY C21Iron metallurgy C21BMANUFACTURE OF IRON OR STEEL C21B2100/00Exhaust gases

Current Industry

C21B2100/04Recirculation of the exhaust gases

Industries

Patents Grantslast 30 patents

Information Patent Grant
Method for treating desulfurization slag
- Patent number 10,174,389
- Issue date Jan 8, 2019
- voestalpine STAHL GmbH
- Karl Pilz
- C21 - METALLURGY OF IRON
Information Patent Grant
Device for producing partially reduced iron
- Patent number 10,155,997
- Issue date Dec 18, 2018
- PRIMETALS TECHNOLOGIES JAPAN, LTD.
- Susumu Kamikawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for operation of blast furnace
- Patent number 10,106,863
- Issue date Oct 23, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Takanobu Inada
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for operating a top gas recycling blast furnace installation
- Patent number 10,072,312
- Issue date Sep 11, 2018
- L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
- Michael Grant
- C21 - METALLURGY OF IRON
Information Patent Grant
Reformer gas-based reducing method with reduced NOx emission
- Patent number 10,030,911
- Issue date Jul 24, 2018
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Grant
Burning apparatus and method for manufacturing reduced iron using t...
- Patent number 9,976,806
- Issue date May 22, 2018
- Posco
- Sang Han Son
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for iron-making with full oxygen and hydrogen-rich gas and e...
- Patent number 9,581,387
- Issue date Feb 28, 2017
- CENTRAL IRON & STEEL RESEARCH INSTITUTE
- Yuanhong Qi
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for producing direct reduced iron (DRI) utilizing gases der...
- Patent number 9,546,409
- Issue date Jan 17, 2017
- HYL TECHNOLOGIES, S.A. DE C.V.
- Eugenio Zendejas-Martinez
- C21 - METALLURGY OF IRON
Information Patent Grant
System for energy optimization in a plant for producing direct-redu...
- Patent number 9,534,264
- Issue date Jan 3, 2017
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for treating waste gases from plants for pig iron production
- Patent number 9,377,242
- Issue date Jun 28, 2016
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and device for charging into a smelting unit
- Patent number 9,365,906
- Issue date Jun 14, 2016
- PRIMETALS TECHNOLOGIES AUSTRIA GMBH
- Thomas Eder
- C21 - METALLURGY OF IRON
Information Patent Grant
Combined pre-treatment process for enabling feed material to be cha...
- Patent number 9,347,109
- Issue date May 24, 2016
- Vale S.A.
- Stephen M. Potter
- C21 - METALLURGY OF IRON
Information Patent Grant
Carbon dioxide reduction in steelworks
- Patent number 9,322,597
- Issue date Apr 26, 2016
- Siemens Aktiengesellschaft
- Manfred Baldauf
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for direct reduction of iron oxide
- Patent number 9,273,368
- Issue date Mar 1, 2016
- Hatch Ltd.
- Iakov M. Gordon
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and device for reducing iron-oxide-containing feedstocks in...
- Patent number 9,255,302
- Issue date Feb 9, 2016
- Siemens Vai Metals Technologies GmbH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for regulating joule value of offgases from plants for pig...
- Patent number 9,222,042
- Issue date Dec 29, 2015
- PRIMETALS TECHNOLOGIES AUSTRIA GmBH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and device for producing pig iron or liquid steel precursors
- Patent number 9,181,594
- Issue date Nov 10, 2015
- Siemens Vai Metals Technologies GmbH
- Christian Boehm
- C21 - METALLURGY OF IRON
Information Patent Grant
Reformer gas-based reducing method with reduced NOx emission
- Patent number 9,181,595
- Issue date Nov 10, 2015
- Siemens Vai Metals Technologies GmbH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Grant
System and method for reducing iron oxide to metallic iron using na...
- Patent number 9,127,326
- Issue date Sep 8, 2015
- Midrex Technologies, Inc.
- Gary E. Metius
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and device for producing a fluid enriched with carbon dioxid...
- Patent number 9,034,080
- Issue date May 19, 2015
- L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
- Alain Briglia
- C21 - METALLURGY OF IRON
Information Patent Grant
System and method for reducing iron oxide to metallic iron using co...
- Patent number 9,028,585
- Issue date May 12, 2015
- Midrex Technologies, Inc.
- Gary E. Metius
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for the simultaneous production of iron and a crude syngas c...
- Patent number 8,992,663
- Issue date Mar 31, 2015
- Thyssenkrupp Uhde GmbH
- Johannes Menzel
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of operating regenerative heaters in blast furnace plant
- Patent number 8,992,823
- Issue date Mar 31, 2015
- Paul Wurth Refractory & Engineering GmbH
- Friedrich Eschmann
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for iron-making with full oxygen and hydrogen-rich gas and e...
- Patent number 8,986,601
- Issue date Mar 24, 2015
- Central Iron & Steel Research Institute
- Yuanhong Qi
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and system for producing pig iron or fluid steel pre-products
- Patent number 8,968,441
- Issue date Mar 3, 2015
- Siemens Vai Metals Technologies GmbH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing direct reduced iron with limited CO2 emissions
- Patent number 8,940,076
- Issue date Jan 27, 2015
- HYL Technologies, S.A. DE C.V.
- Pablo Enrique Duarte-Escareño
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and plant for producing hot metal
- Patent number 8,926,728
- Issue date Jan 6, 2015
- Outotec Oyj
- Jean-Paul Nepper
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for cleaning a gas flow loaded with dust
- Patent number 8,882,893
- Issue date Nov 11, 2014
- Siemens Vai Metals Technologies GmbH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Grant
System and method for making metallic iron with reduced CO2 emissions
- Patent number 8,858,678
- Issue date Oct 14, 2014
- Nu-Iron Technology, LLC
- Richard F. Kiesel
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for sequestering carbon dioxide from a spent gas
- Patent number 8,771,638
- Issue date Jul 8, 2014
- Midrex Technologies, Inc.
- Gary E. Metius
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR OPERATING A TOP GAS RECYCLING BLAST FURNACE INSTALLATION
- Publication number 20170002434
- Publication date Jan 5, 2017
- L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
- Michael GRANT
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR OPERATION OF BLAST FURNACE
- Publication number 20160326604
- Publication date Nov 10, 2016
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Takanobu INADA
- C21 - METALLURGY OF IRON
Information Patent Application
COMBINED SYSTEM FOR PRODUCING STEEL AND METHOD FOR OPERATING THE CO...
- Publication number 20160319383
- Publication date Nov 3, 2016
- THYSSENKRUPP AG
- Reinhold Achatz
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
DEVICE FOR PRODUCING PARTIALLY REDUCED IRON
- Publication number 20160304977
- Publication date Oct 20, 2016
- PRIMETALS TECHNOLOGIES JAPAN, LTD.
- Susumu KAMIKAWA
- C21 - METALLURGY OF IRON
Information Patent Application
Method For Treating Desulfurization Slag
- Publication number 20160289783
- Publication date Oct 6, 2016
- VOESTALPINE STAHL GMBH
- Karl Pilz
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD AND DEVICE FOR REDUCING IRON-OXIDE-CONTAINING FEEDSTOCKS IN...
- Publication number 20160076113
- Publication date Mar 17, 2016
- SIEMENS VAI METALS TECHNOLOGIES GMBH
- Robert MILLNER
- C21 - METALLURGY OF IRON
Information Patent Application
Burning Apparatus and Method for Manufacturing Reduced Iron Using t...
- Publication number 20150115508
- Publication date Apr 30, 2015
- POSCO
- Sang Han SON
- C21 - METALLURGY OF IRON
Information Patent Application
BLAST FURNACE WITH TOP-GAS RECYCLE
- Publication number 20150068364
- Publication date Mar 12, 2015
- HYL TECHNOLOGIES, S.A. DE C.V.
- José-Carlos Garza-Davila
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD AND DEVICE FOR REDUCING IRON-OXIDE-CONTAINING FEEDSTOCKS IN...
- Publication number 20150007697
- Publication date Jan 8, 2015
- SIEMENS VAI METALS TECHNOLOGIES GMBH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Application
Process for Carbothermic or Electrothermic Production of Crude Iron...
- Publication number 20140373677
- Publication date Dec 25, 2014
- Thomas Stumpf
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS FOR PRODUCING DIRECT REDUCED IRON (DRI) UTILIZING GASES DER...
- Publication number 20140260803
- Publication date Sep 18, 2014
- Danieli & C. Officine Meccaniche, S.P.A
- Eugenio Zendejas-Martinez
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD OF OPERATING REGENERATIVE HEATERS IN BLAST FURNACE PLANT
- Publication number 20140252696
- Publication date Sep 11, 2014
- PAUL WURTH REFRACTORY & ENGINEERING GMBH
- Friedrich Eschmann
- C21 - METALLURGY OF IRON
Information Patent Application
IRONMAKING PROCESS AND INSTALLATION
- Publication number 20140230606
- Publication date Aug 21, 2014
- Xavier Traversac
- C21 - METALLURGY OF IRON
Information Patent Application
SYSTEM FOR ENERGY OPTIMIZATION IN A PLANT FOR PRODUCING DIRECT-REDU...
- Publication number 20140217653
- Publication date Aug 7, 2014
- SIEMENS VAI METALS TECHNOLOGIES GMBH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR TREATING WASTE GASES FROM PLANTS FOR PIG IRON PRODUCTION
- Publication number 20140202285
- Publication date Jul 24, 2014
- SIEMENS VAI METALS TECHNOLOGIES GMBH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS AND DEVICE FOR CHARGING INTO A SMELTING UNIT
- Publication number 20140196571
- Publication date Jul 17, 2014
- SIEMENS VAI METALS TECHNOLOGIES GMBH
- Thomas EDER
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS FOR DIRECT REDUCTION OF IRON OXIDE
- Publication number 20140150607
- Publication date Jun 5, 2014
- HATCH LTD.
- Iakov M. Gordon
- C21 - METALLURGY OF IRON
Information Patent Application
CARBON DIOXIDE REDUCTION IN STEELWORKS
- Publication number 20140130639
- Publication date May 15, 2014
- Siemens Aktiengesellschaft
- Manfred Baldauf
- C21 - METALLURGY OF IRON
Information Patent Application
SYSTEM AND METHOD FOR REDUCING IRON OXIDE TO METALLIC IRON USING NA...
- Publication number 20140053686
- Publication date Feb 27, 2014
- MIDREX TECHNOLOGIES, INC.
- Gary E. METIUS
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS AND DEVICE FOR PRODUCING PIG IRON OR LIQUID STEEL PRECURSORS
- Publication number 20140042677
- Publication date Feb 13, 2014
- SIEMENS VAI METALS TECHNOLOGIES GMBH
- Christian BOEHM
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS FOR THE PURIFICATION OF CRUDE GAS FROM SOLIDS GASIFICATION
- Publication number 20140044601
- Publication date Feb 13, 2014
- Uhde GmbH
- Johannes Kowoll
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS FOR REGULATING JOULE VALUE OF OFFGASES FROM PLANTS FOR PIG...
- Publication number 20140007504
- Publication date Jan 9, 2014
- SIEMENS VAI METALS TECHOLOGIES GMBH
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Application
METALLURGICAL PLANT WITH EFFICIENT WASTE-HEAT UTILIZATION
- Publication number 20140000535
- Publication date Jan 2, 2014
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Application
SYSTEM AND METHOD FOR REDUCING IRON OXIDE TO METALLIC IRON USING CO...
- Publication number 20130312571
- Publication date Nov 28, 2013
- MIDREX TECHNOLOGIES, INC.
- Gary E. METIUS
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS FOR OPERATING A BLAST FURNACE INSTALLATION WITH TOP GAS REC...
- Publication number 20130270752
- Publication date Oct 17, 2013
- Philippe Blostein
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD AND DEVICE FOR PRODUCING A FLUID ENRICHED WITH CARBON DIOXID...
- Publication number 20130259782
- Publication date Oct 3, 2013
- L'Air Liquide Societe Anonyme pour I'Etude et I'Exploitation des Procedes Geo...
- Alain Briglia
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD AND APPARATUS FOR SEQUESTERING CARBON DIOXIDE FROM A SPENT GAS
- Publication number 20130171049
- Publication date Jul 4, 2013
- MIDREX TECHNOLOGIES, INC.
- Gary E. Metius
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESS AND PLANT FOR PRODUCING HOT METAL
- Publication number 20130118306
- Publication date May 16, 2013
- OUTOTEC OYJ
- Jean-Paul Nepper
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR CLEANING A GAS FLOW LOADED WITH DUST
- Publication number 20130112075
- Publication date May 9, 2013
- Robert Millner
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD AND DEVICE FOR PROVIDING REDUCTION GAS FROM GENERATOR GAS
- Publication number 20120326363
- Publication date Dec 27, 2012
- Robert Millner
- C21 - METALLURGY OF IRON

Recirculation of the exhaust gases

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for treating desulfurization slag

Device for producing partially reduced iron

Method for operation of blast furnace

Method for operating a top gas recycling blast furnace installation

Reformer gas-based reducing method with reduced NOx emission

Burning apparatus and method for manufacturing reduced iron using t...

Method for iron-making with full oxygen and hydrogen-rich gas and e...

Process for producing direct reduced iron (DRI) utilizing gases der...

System for energy optimization in a plant for producing direct-redu...

Method for treating waste gases from plants for pig iron production

Process and device for charging into a smelting unit

Combined pre-treatment process for enabling feed material to be cha...

Carbon dioxide reduction in steelworks

Process for direct reduction of iron oxide

Method and device for reducing iron-oxide-containing feedstocks in...

Process for regulating joule value of offgases from plants for pig...

Process and device for producing pig iron or liquid steel precursors

Reformer gas-based reducing method with reduced NOx emission

System and method for reducing iron oxide to metallic iron using na...

Method and device for producing a fluid enriched with carbon dioxid...

System and method for reducing iron oxide to metallic iron using co...

Method for the simultaneous production of iron and a crude syngas c...

Method of operating regenerative heaters in blast furnace plant

Method for iron-making with full oxygen and hydrogen-rich gas and e...

Method and system for producing pig iron or fluid steel pre-products

Method for producing direct reduced iron with limited CO2 emissions

Process and plant for producing hot metal

Method for cleaning a gas flow loaded with dust

System and method for making metallic iron with reduced CO2 emissions

Method and apparatus for sequestering carbon dioxide from a spent gas

Patents Applicationslast 30 patents

METHOD FOR OPERATING A TOP GAS RECYCLING BLAST FURNACE INSTALLATION

METHOD FOR OPERATION OF BLAST FURNACE

COMBINED SYSTEM FOR PRODUCING STEEL AND METHOD FOR OPERATING THE CO...

DEVICE FOR PRODUCING PARTIALLY REDUCED IRON

Method For Treating Desulfurization Slag

METHOD AND DEVICE FOR REDUCING IRON-OXIDE-CONTAINING FEEDSTOCKS IN...

Burning Apparatus and Method for Manufacturing Reduced Iron Using t...

BLAST FURNACE WITH TOP-GAS RECYCLE

METHOD AND DEVICE FOR REDUCING IRON-OXIDE-CONTAINING FEEDSTOCKS IN...

Process for Carbothermic or Electrothermic Production of Crude Iron...

PROCESS FOR PRODUCING DIRECT REDUCED IRON (DRI) UTILIZING GASES DER...

METHOD OF OPERATING REGENERATIVE HEATERS IN BLAST FURNACE PLANT

IRONMAKING PROCESS AND INSTALLATION

SYSTEM FOR ENERGY OPTIMIZATION IN A PLANT FOR PRODUCING DIRECT-REDU...

METHOD FOR TREATING WASTE GASES FROM PLANTS FOR PIG IRON PRODUCTION

PROCESS AND DEVICE FOR CHARGING INTO A SMELTING UNIT

PROCESS FOR DIRECT REDUCTION OF IRON OXIDE

CARBON DIOXIDE REDUCTION IN STEELWORKS

SYSTEM AND METHOD FOR REDUCING IRON OXIDE TO METALLIC IRON USING NA...

PROCESS AND DEVICE FOR PRODUCING PIG IRON OR LIQUID STEEL PRECURSORS

PROCESS FOR THE PURIFICATION OF CRUDE GAS FROM SOLIDS GASIFICATION

PROCESS FOR REGULATING JOULE VALUE OF OFFGASES FROM PLANTS FOR PIG...

METALLURGICAL PLANT WITH EFFICIENT WASTE-HEAT UTILIZATION

SYSTEM AND METHOD FOR REDUCING IRON OXIDE TO METALLIC IRON USING CO...

PROCESS FOR OPERATING A BLAST FURNACE INSTALLATION WITH TOP GAS REC...

METHOD AND DEVICE FOR PRODUCING A FLUID ENRICHED WITH CARBON DIOXID...

METHOD AND APPARATUS FOR SEQUESTERING CARBON DIOXIDE FROM A SPENT GAS

PROCESS AND PLANT FOR PRODUCING HOT METAL

METHOD FOR CLEANING A GAS FLOW LOADED WITH DUST

METHOD AND DEVICE FOR PROVIDING REDUCTION GAS FROM GENERATOR GAS