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WO2010057763A1 - Procédé et dispositif pour utiliser la chaleur d’échappement d’un laitier liquide - Google Patents

Procédé et dispositif pour utiliser la chaleur d’échappement d’un laitier liquide Download PDF

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Publication number
WO2010057763A1
WO2010057763A1 PCT/EP2009/064381 EP2009064381W WO2010057763A1 WO 2010057763 A1 WO2010057763 A1 WO 2010057763A1 EP 2009064381 W EP2009064381 W EP 2009064381W WO 2010057763 A1 WO2010057763 A1 WO 2010057763A1
Authority
WO
WIPO (PCT)
Prior art keywords
slag
waste heat
liquid slag
liquid
catalyst
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2009/064381
Other languages
German (de)
English (en)
Inventor
Manfred Baldauf
Vladimir Danov
Harald Landes
Thomas Matschullat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of WO2010057763A1 publication Critical patent/WO2010057763A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B3/00General features in the manufacture of pig-iron
    • C21B3/04Recovery of by-products, e.g. slag
    • C21B3/06Treatment of liquid slag
    • C21B3/08Cooling slag
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/38Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
    • C01B3/382Multi-step processes
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/38Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
    • C01B3/384Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts the catalyst being continuously externally heated
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/38Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
    • C01B3/40Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts characterised by the catalyst
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02Processes for making hydrogen or synthesis gas
    • C01B2203/0205Processes for making hydrogen or synthesis gas containing a reforming step
    • C01B2203/0227Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
    • C01B2203/0233Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a steam reforming step
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08Methods of heating or cooling
    • C01B2203/0805Methods of heating the process for making hydrogen or synthesis gas
    • C01B2203/0833Heating by indirect heat exchange with hot fluids, other than combustion gases, product gases or non-combustive exothermic reaction product gases
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/10Catalysts for performing the hydrogen forming reactions
    • C01B2203/1041Composition of the catalyst
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/12Feeding the process for making hydrogen or synthesis gas
    • C01B2203/1205Composition of the feed
    • C01B2203/1211Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
    • C01B2203/1235Hydrocarbons
    • C01B2203/1241Natural gas or methane
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/14Details of the flowsheet
    • C01B2203/142At least two reforming, decomposition or partial oxidation steps in series
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/02Physical or chemical treatment of slags
    • C21B2400/022Methods of cooling or quenching molten slag
    • C21B2400/026Methods of cooling or quenching molten slag using air, inert gases or removable conductive bodies
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/05Apparatus features
    • C21B2400/052Apparatus features including rotating parts
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/05Apparatus features
    • C21B2400/052Apparatus features including rotating parts
    • C21B2400/054Disc-shaped or conical parts for cooling, dispersing or atomising of molten slag rotating along vertical axis
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/05Apparatus features
    • C21B2400/066Receptacle features where the slag is treated
    • C21B2400/068Receptacle features where the slag is treated with a sealed or controlled environment
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/05Apparatus features
    • C21B2400/066Receptacle features where the slag is treated
    • C21B2400/076Fluidised bed for cooling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/08Treatment of slags originating from iron or steel processes with energy recovery
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C2100/00Exhaust gas
    • C21C2100/06Energy from waste gas used in other processes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/10Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143Reduction of greenhouse gas [GHG] emissions of methane [CH4]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Definitions

  • the invention relates to a method for utilizing the waste heat of liquid slag, in particular blast furnace or steel mill slag.
  • the invention also relates to an associated apparatus for carrying out the method.
  • blast furnace slag is formed, which is used in cement production.
  • the object of the invention is to provide suitable methods for using the heat content of liquid slag.
  • Reforming cooling allows the thermal energy released during the cooling process to be stored in chemical form and then re-injected elsewhere in the process, thus reducing the fuel consumption of a metallurgical plant and relieving the atmosphere of CO2 serves and that due to the high temperature and the continuous passage of the slag catalyst aging processes are meaningless.
  • FIG. 1 is a process diagram of the heat use of liquid
  • Figure 2 shows an arrangement with a direct contact reformer, in which the slag is cooled on a rotatable plate and Figure 3 is a modification of the arrangement of Figure 2 with an integrated reformer.
  • a container for receiving liquid slag is denoted by 1.
  • the liquid slag is filled from above, granulated in the container 1 and is brought as granules in a reservoir 3.
  • nozzle array 5 with which the liquid slag, which has a temperature of about 1500 0 C, is directed as a liquid jet on the slag stock.
  • the reformate is discharged via a heat exchanger 10 and partially returned to the container 1 via a catalyst 20.
  • FIG. 2 the construction according to FIG. 1 is modified such that a container 100 is provided which has a slag feed 106, wherein the slag is directed by a slag storage container 104 via the feed 106 onto a rotatable plate and sprayed off therefrom. There is a motor drive 105 available. The granulated slag is collected in the container 112.
  • a unit 120 for exhaust gas intake is present.
  • a pre-reformer 121 is provided, from which the synthetic gas on the one hand and the natural gas on the other hand are output via an evaporator 122.
  • a system is constructed substantially in accordance with Figure 2. It is essential here that behind the pre-reformer 121 and the evaporator 122, the gas is added to a gas turbine with a subsequent generator.
  • the advantage of the system according to FIG. 2 consists essentially in a simple structure and in the rapid heat transfer from the slag to the reformate.
  • a disadvantage is the requirement for a catalyst or for catalytic properties of the slag itself. Under certain circumstances, only a partial reduction of the slag results, which could impair the quality of the product. There is also a large volume of gaseous fuel.
  • FIG. 3 The latter negative properties are used in FIG. 3 to the effect that the gas turbine is operated.
  • the operation can be done independently of the slag composition.
  • the slag liquid is fed into a tower via a nozzle field by falling down in parallel threads, these flow threads being characterized by the increasing flow rate and the effect of the surface tension in
  • the tower is flowed through from the ground with a partially pre-reformed steam-natural gas mixture, which enters the tower at about 500 0 C. It is then first heated on the surface of the oncoming, already stared at this point slag droplets and from 700 0 C increasingly ausreformiert, whereby the slag droplets are already solidified further up in the tower.
  • the partial pre-reforming of the steam-natural gas mixture has two purposes: it prevents soot deposition on the surface of the slag particles by cracking higher hydrocarbons because they have already been degraded.
  • the gas produced thereby, in particular hydrogen-containing gas leads to a kinetically effective, reducing atmosphere, which supports the catalytic activity of the Eisenismeengept in the slag.
  • an adiabatic pre-reformer is a tube with pellets of a reforming catalyst, eg. B. nickel (Ni), on porous alumina (Al2O3) is filled and in which a about 700 0 C hot mixture of natural gas and steam flows.
  • Slag particles may serve to heat conducted air or other gas and thus be made usable for other purposes.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Hydrogen, Water And Hydrids (AREA)
  • Catalysts (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

L'invention concerne l'utilisation de la chaleur d'échappement libérée par le refroidissement d'un laitier jusqu'à 600 °C, notamment dans le cas de laitiers de haut fourneau ou d'aciérie, pour reformer un mélange méthane-vapeur d'eau, un catalyseur approprié étant utilisé. Le laitier lui-même peut être utilisé comme catalyseur.
PCT/EP2009/064381 2008-11-21 2009-10-30 Procédé et dispositif pour utiliser la chaleur d’échappement d’un laitier liquide Ceased WO2010057763A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102008058572.6 2008-11-21
DE102008058572 2008-11-21
DE102009041659A DE102009041659A1 (de) 2008-11-21 2009-09-16 Verfahren und Vorrichtung zur Nutzung der Abwärme flüssiger Schlacke
DE102009041659.5 2009-09-16

Publications (1)

Publication Number Publication Date
WO2010057763A1 true WO2010057763A1 (fr) 2010-05-27

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Family Applications (1)

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PCT/EP2009/064381 Ceased WO2010057763A1 (fr) 2008-11-21 2009-10-30 Procédé et dispositif pour utiliser la chaleur d’échappement d’un laitier liquide

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Country Link
DE (1) DE102009041659A1 (fr)
WO (1) WO2010057763A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011036180A1 (fr) * 2009-09-24 2011-03-31 Siemens Aktiengesellschaft Procédé et dispositif d'utilisation de la chaleur perdue dégagée lors de la granulation d'un laitier liquide
CN102721029A (zh) * 2011-03-29 2012-10-10 鞍钢股份有限公司 一种液态高炉渣的显热回收利用方法及装置
CN106989608A (zh) * 2017-04-18 2017-07-28 南京工业大学 一种热风动力式粒化冶金液态渣余热回收系统及方法
CN113816337A (zh) * 2021-10-25 2021-12-21 上海驰春节能科技有限公司 基于液态冶金渣显热的天然气水蒸气重整制氢的装置及方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015044403A1 (fr) * 2013-09-30 2015-04-02 Siemens Aktiengesellschaft Utilisation de la chaleur perdue
CN109402309B (zh) * 2018-11-13 2020-08-11 辽宁方盛环保科技有限公司 一种闷渣放散蒸汽余热回收方法
US11401163B2 (en) 2020-10-19 2022-08-02 Xenophon Verykios Catalytic materials for pyrolysis of methane and production of hydrogen and solid carbon with substantially zero atmospheric carbon emissions

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000030989A1 (fr) * 1998-11-25 2000-06-02 Holderbank Financiere Glarus Ag Procede de pulverisation et de granulation de scories
EP1234890A1 (fr) * 2001-02-27 2002-08-28 Tribovent Verfahrensentwicklung GmbH Dispositif de pulvérisation de fontes
CN2923723Y (zh) * 2006-07-20 2007-07-18 重庆大学 液态高炉渣热量回收装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000030989A1 (fr) * 1998-11-25 2000-06-02 Holderbank Financiere Glarus Ag Procede de pulverisation et de granulation de scories
EP1234890A1 (fr) * 2001-02-27 2002-08-28 Tribovent Verfahrensentwicklung GmbH Dispositif de pulvérisation de fontes
CN2923723Y (zh) * 2006-07-20 2007-07-18 重庆大学 液态高炉渣热量回收装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MIZUOCHI T ET AL: "Granulation of molten slag for heat recovery", 37TH INTERSOCIETY ENERGY CONVERSION ENGINEERING CONFERENCE. (IECEC). WASHINGTON, DC, JULY 29 - 31, 2002; [IECEC. PROCEEDINGS OF THE INTERSOCIETY ENERGY CONVERSION ENGINEERING CONFERENCE], NEW YORK : IEEE, US, 29 July 2002 (2002-07-29), pages 641 - 646, XP010767114, ISBN: 978-0-7803-7296-2 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011036180A1 (fr) * 2009-09-24 2011-03-31 Siemens Aktiengesellschaft Procédé et dispositif d'utilisation de la chaleur perdue dégagée lors de la granulation d'un laitier liquide
CN102721029A (zh) * 2011-03-29 2012-10-10 鞍钢股份有限公司 一种液态高炉渣的显热回收利用方法及装置
CN106989608A (zh) * 2017-04-18 2017-07-28 南京工业大学 一种热风动力式粒化冶金液态渣余热回收系统及方法
CN106989608B (zh) * 2017-04-18 2023-04-28 南京工业大学 一种热风动力式粒化冶金液态渣余热回收系统及方法
CN113816337A (zh) * 2021-10-25 2021-12-21 上海驰春节能科技有限公司 基于液态冶金渣显热的天然气水蒸气重整制氢的装置及方法
CN113816337B (zh) * 2021-10-25 2023-01-31 上海驰春节能科技有限公司 基于液态冶金渣显热的天然气水蒸气重整制氢的装置及方法

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Publication number Publication date
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