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Types of iron and steel slag NIPPON SLAG ASSOCIATION

Iron and steel slag refers to the type of metal manufacturing slag that is generated during the process of manufacturing iron and steel products

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FACT SHEET Steel industry co products

EAF to 400 kg BF BOF of co products These include slags dusts sludges and other materials Ironmaking and steelmaking slags More than 400 million tonnes of iron and steel slag is produced each year Slags are a mixture of silica calcium oxide magnesium oxide and aluminium and iron oxides

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The Manufacture of Steel NZ Institute of Chemistry

one of the few countries that has increased steel production over the last decade Its current share of the domestic steel market is about 90 THE MANUFACTURING PROCESS Iron ore is converted to steel via two main steps The first involves the production of molten iron and the second is that of actual steel

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Lithium from Greek λίθος lithos quot stone quot is a chemical element with symbol Li and atomic number 3 It is a soft silvery white alkali metal

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About Iron and Steel Slag NIPPON SLAG ASSOCIATION

Iron and steel slag is generated as a byproduct of the iron and steel manufacturing processes It includes blast furnace slag and steelmaking slag This page introduces the process by which iron and steel slag is generated as well as slag properties such as chemical composition and dissolution

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23 3 Metallurgy of Iron and Steel Chemistry LibreTexts

 · They collect in layers at the bottom of the furnace the less dense slag floats on the iron and protects it from oxidation Several times a day the slag and molten iron are withdrawn from the furnace The iron is transferred to casting machines or to a steelmaking plant Figure PageIndex 3

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Iron and Steel Slag Statistics and Information

Slags are nonmetallic byproducts of many metallurgical operations and consist primarily of calcium magnesium and aluminum silicates in various combinations Iron and steel slags are coproducts of iron and steel manufacturing In the production of iron the blast furnace is charged with iron ore fluxing agents usually limestone and dolomite and coke as fuel and the

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How is Steel Produced World Coal Association

Global steel production is dependent on coal 74 of the steel produced in steel making During the iron making process and molten iron and slag

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Carbon Steel and Mild Steel Metal Casting Resources

Carbon steel is comprised of iron and carbon and is the most common category of steel making up approximately 85 of all steel production in the US The carbon content of the product is in the 0–2 range and gives the metal carbon like properties due to the influence of the carbon on the microstructure

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the process of manufacturing slag

Slag Iron Steel 2015 IBM PRODUCTION The slag produced at blast furnace during pig iron manufacturing is called blast furnace slag The slag produced at steel melting shop is known as steel slag Slag output obtained during pig iron and steel production is variable and depends mainly on composition of raw materials and type of furnace

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SPECTRO bietet ein umfassendes Portfolio an R 246 ntgenfluoreszenz Spektrometern RFA Entdecken Sie die RFA Analyseger 228 tefamilie hier

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12 5 Iron And Steel Production US EPA

12 5 Iron And Steel Production 12 5 1 Process Description1 3 furnace including all iron and slag runners is enclosed by a casthouse The blast furnace byproduct

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Steelmaking Wikipedia

Steelmaking is the process for producing steel from iron ore of the molten metal and slag in the process of manufacturing pig iron pellets that is

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Aleastur Spain grain refiners and master alloys for the aluminium industry Austria Metall AMAG aluminium flat rolled products coils sheets and plates foundry

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Roman iron and steel A review Materials and

ABSTRACTThe production of ferrous metal increased during the Roman Late Republican period Principate and Empire The direct bloomery process was used to extract the metal from its ores using slag tapping and slag pit furnaces The fuel was charcoal and an air blast was introduced by bellows operated tuyères Iron formed as a bloom often as a spongy mass of metal which contained

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Steelmaking and Refining Introduction to Chemistry

The pig iron was melted in a running out furnace and then run out into a trough This process oxidized the silicon to form a slag which floated on the iron and was removed by lowering a dam at the end of the trough The product of this process was a white metal known as finers metal or refined iron

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manufacturing and processing of iron and slags

2 Overview of Iron steel Slag 2 1 Iron steel slag production Slag is produced during iron and steelmaking processes origi nating from the Processing and Reusing Technologies for Steelmaking Slag sales information for iron steel slag the processes for manufacturing slag products and then describe the conventional applications of

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Back Issues Ductile Iron Society News Back Issues Click on the Issue that Interests You Issue 2017 CONEXPO CON AGG amp IFPE Highlights 2016 FEF Conference

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IRON ORE AND STEEL PRODUCTION YouTube

 · INTRODUCTION TO MATERIALS – This is the first post on materials Iron ore and steel production The 6 minute video explains the mining and processing of iron ore followed by its conversion to

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ALUMINIUM Occurrence and uses Aluminium is the most abundant metal in the earth s crust where it is found in combination with oxygen fluorine silica etc but

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Iron processing Iron making Britannica

Iron processing Iron processing Iron making The primary objective of iron making is to release iron from chemical combination with oxygen and since the blast furnace is much the most efficient process it receives the most attention here Alternative methods known as direct reduction are used in over a score of countries but less than 5 percent of iron is made this way

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Vanadium processing preparation of the metal for use in various products Since the early 1900s vanadium has been used as an alloying element for steels and iron

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Iron and Steel Slag Industrial Resources Council

Processing slag at the mill site Blast The physical properties of iron and steel slags can vary greatly depending The use of slag in cement manufacturing

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PPT – The production of Iron and Steel PowerPoint

Iron And Steel Mills And Ferroalloy Manufacturing Global Market Report 2019 The iron and steel mills and ferroalloy manufacturing market size is expected to reach a higher value by 2022 significantly growing at a steady CAGR during the forecast period The growth in the iron and steel mills and ferroalloy manufacturing market is due to increase in new vehicle sales in rapidly developing

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Pablo Valenzuela Y PRESIDENT UNITECR 2017 Dear Colleagues The Organizing Committee of UNITECR 2017 has been enthusiastically working for more than a year to

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Waste Disposal and Recycling in Steel Industry

Steel makes up the largest category of metals in the municipal solid waste MSW and industrial waste streams Steel since ages has been a recycled material throughout the world Solid wastes in steel plants are essential by products generated during various processing steps involved in the production of iron and steel

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Solid wastes are all the wastes arising from human and animal activities that are normally solid and are discarded as useless or

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Iron Slag Manufacturers Suppliers Wholesalers and

Steel and iron slag Oxide dusts sludges scales slags and spent refractories are co products of the iron and steel manufacturing process These residues generally represent 6 7 of the whole steel production Their production arises from the conversion of ores to iron hot iron to steel and from melting scrap in an electric arc furnace or

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Steelmaking Slag an overview ScienceDirect Topics

 · Ironmaking and steelmaking slags are inevitably generated as a by product from ironmaking and steelmaking processes Main components of the slags are CaO SiO 2 Al 2 O 3 MgO and iron oxides and the compositions of slags depend on the process In the case of Japan three types of slags namely BF slag BOF slag and EAF slag are mainly produced which amount is shown in

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Iron and Steel Slags Global Perspective on the Circular

 · During the manufacture of iron and steel metallurgical slags are produced Commonly referred to as co products these minerals can best be described as

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Iron processing Britannica

Iron processing use of a smelting process to turn the ore into a form from which products can be fashioned Included in this article also is a discussion of the mining of iron and of its preparation for smelting Iron Fe is a relatively dense metal with a silvery white appearance and distinctive magnetic properties It constitutes 5 percent by weight of the Earth s crust and it is the

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5 1 2 3 The new ThyssenKrupp Steel AG 4 Steelmaking Industry Auto Processing Metallurgy Division Industry Division Auto Division Tinplate CSA Brazil

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Infographic the Iron and Steel Manufacturing Process

Steel production is a 24 hour a day 365 day a year process dependent on a consistent supply of raw materials and huge amounts of energy According to the World Steel Association world crude steel production has increased from 851 million tonnes Mt in 2001 to 1 606 Mt in 2013 and world average steel use per capita has steadily increased from 150kg in 2001 to 225 kg in 2013

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Iron and Steel Slag Market and Steelmaking Slag Global

The study provides a decisive view of the global Iron and Steel Slag market by segmenting it in terms of process application and region These segments have been analyzed based on present and

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Types of iron and steel slag NIPPON SLAG ASSOCIATION

Iron and steel slag refers to the type of metal manufacturing slag that is generated during the process of manufacturing iron and steel products The term slag originally referred to slag produced by metal manufacturing processes however it is now also used to describe slag that originates from molten waste material when trash and other

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EC number 231 096 4 Iron CAS number 7439 89 6 REACH Iron Platform December 2013 1 Iron Manufacturing process related to the specified manufacture s

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Mineral Resource of the Month Iron and Steel Slag EARTH

Iron and steel slag also known as ferrous slag is produced by adding limestone or dolomite lime and silica sand to blast furnaces and steel furnaces to strip impurities from iron ore scrap and other ferrous feed materials and to lower the heat requirements of the iron and steelmaking processes Ferrous slag forms as a dominantly calcium silicate melt that floats on top of the molten

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Slag Wikipedia

Blast furnace slag and steel slag as aggregates A review of their uses and applications in UK construction 3rd European Slag Conference – Proceedings Manufacturing and Processing of Iron

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Steel Slag Material Description User Guidelines for Waste and

The processing of steel slags for metals recovery is not only or sintered and recycled as flux material in the iron and steel furnaces Steel slag aggregates

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Please select whether you prefer to view the MDPI pages with a view tailored for mobile displays or to view the MDPI pages in the normal scrollable

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Precast refractory shapes will likely remain a growing specialty in the refractory industry in coming years With improved quality through controlled manufacturing

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manufacturing and processing of iron and steel slags

Steel Slag Material Description User Guidelines for Waste and In the basic oxygen process hot liquid blast furnace metal scrap and fluxes which iron as liquid oxides which combine with lime and dolime to form the steel slag The steel slag produced during the primary stage of steel

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Steel production residues Jernkontoret

 · The making of iron and steel generates residual products namely by products and waste In Sweden no less than 80 per cent of the residual products are either reused as raw materials for new steel production or sold on for other areas of application The Swedish steel industry s vision is for none other than socially useful products to leave the company premises nbsp

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SLAG IRON AND STEEL

SLAG IRON AND STEEL 16 Slag Iron and Steel S lag is a by product generated during manufacturing of pig iron and steel It is produced by action of various fluxes upon gangue materials within the iron ore during the process of pig iron making in blast furnace and steel manufacturing in steel melting shop

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Iron and Steel Slag Industrial Resources Council

Processing slag at the mill site Blast furnace slag BFS and steel furnace slag SFS have a long history of being utilized as industrial byproducts going back almost 100 years in the United States BFS is composed of the non metallic components removed from iron ore during processing in a blast furnace

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Steel Slag Material Description User Guidelines for

The processing of steel slags for metals recovery is not only important to remove excess steel at the market source for reuse at the steel plant but is also important to facilitate the use of the nonmetallic steel slag as construction aggregate or sintered and recycled as flux material in the iron and steel furnaces Steel slag aggregates

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Process Material input Air emissions Process wastes Other wastes Lead sintering Lead ore iron silica limestone flux coke soda ash pyrite zinc caustic

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Iron and Steel Manufacturing ifc org

Iron and Steel Manufacturing the conventional integrated steel manufacturing process the iron from the blast furnace is con 65 of BOF slag from steel manu

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Enhancement of Iron Recovery from Steelmaking Slag Fines

 · Steelmaking slags are usually processed for iron recovery by dry magnetic separation The recovered iron rich products are recycled back into the ironmaking and steelmaking processes to replace high cost steel scrap and iron ores However current slag processing is far away from optimum conditions especially for slag fines with small particle sizes resulting in generation of nonrecyclable

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Recycling Ferrous slags from steel manufacturing

Information on recycling spent materials from the steel manufacturing process About ferrous slags and Blast Furnace Slag BFS

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Iron to Steel Steel AMETEK Land

Temperature monitoring is essential in determining the properties of the steel produced from iron ore We provide the reliable instruments to support process efficiency and quality

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Find energy market research reports and pharmaceuticals industry analysis including industry overviews market segmentation data market share and growth

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National Slag Association Iron and Steel Slag YouTube

 · Since 1918 The NSA has promoted the use of Blast Furnace and Steel Furnace Slag Blast Furnace slag has been called the All Purpose Aggregate as it can be used in all construction applications

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is a digital publishing platform that makes it simple to publish magazines catalogs newspapers books and more online Easily share your publications and get

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HS Code Description 84482000 Parts and accessories of machines of 84 44 or their auxiliary machinery 84483100 Card clothing 84483200 Parts and accessories

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In addition to the manufacturing of steel products Leader Steel is also engaged in trading and processing of minerals such as iron ore manganese mill scales slags

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Euroslag Euroslag

Ferrous slag is the by product of iron and steel manufacturing It arises from the conversion of ores to iron hot iron to steel from melting scrap in an electric arc furnace or from the subsequent treatment of crude steel Each year about 45 million tonnes of ferrous slag iron and steel slag

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We are India based one of the best GATE Metallurgical engineering coaching classes providing GATE postal course GATE classroom programs GATE video lecture courses

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Slag Wikipedia

and separates them as iron silicate based slags Slag from steel the smelting process as silicon dioxide As the slag is iron ore slag was

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AGATE noun A type of fibrous quarts called chalcedony used to make marbles highly desired by players as in bulls eye agate

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Steel Slag an overview ScienceDirect Topics

Steel Slag Steel slag is a by product of molten iron processing and different types of steel slag are formed depending on a specific type or grade of steel and the furnace used during steel production From Characteristics and Uses of Steel Slag in Building Construction 2016 Related terms Heavy Metal Chromium By Product Carbon Fiber

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Slag Iron and Steel JFE MINERAL Co LTD

Slag Iron and Steel Effective Utilization of Steel Resources We produce blast furnace slags and steelmaking slags at the four integrated steelworks of JFE Steel Corporation and supply them to both the domestic and the overseas markets

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Steel is the most recycled material on the planet more than all other materials combined Steel retains an extremely high overall recycling rate which in 2012

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88 IRON AND STEEL SLAG Amazon S3

88 IRON AND STEEL SLAG Data in million metric tons unless otherwise noted Domestic Production and Use Iron and steel ferrous slags are coproducts of iron and steel manufacturing After cooling and processing ferrous slags are sold primarily to the construction industry

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88 IRON AND STEEL SLAG USGS

88 IRON AND STEEL SLAG slags are coproducts of iron and steel manufacturing After cooling and processing ferrous slags are sold primarily to the construction

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Steelmaking Wikipedia

Steelmaking is the process of producing steel from iron ore and or scrap In steelmaking impurities such as nitrogen silicon phosphorus sulfur and excess carbon most important impurity are removed from the sourced iron and alloying elements such as manganese nickel chromium carbon and vanadium are added to produce different grades of steel

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Industrial uses of slag The use and re use of iron and

properties of steel A much better understanding of slags their specific roles and functions as well as improvements in process technologies have led to a significant reduction in slag volumes generated in the iron and steelmaking industry At the same time the re use of iron and steelmaking slags has

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Iron Essential Chemical Industry

This iron and steel making plant in Pennsylvania in the United States is of historic interest as it began producing steel in 1875 By kind permission of United States Steel The slag is run off every few hours cooled and then sent for treatment to make by products such as cement and insulation products or to be used for road building

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UDC 669 054 82 669 184 244 66 Processing and

2 General Condition of Iron Steel Slag 2 1 How iron steel slag is produced As a by product of the manufacture of steel from iron ore iron steel slag originates from veinstone that is contained in the raw ma terials iron ore coal coke etc and the flux that is added in the steelmaking refining process for removal of impurities Si P S

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Utilisation of steel slag as an aggregate in concrete

 · Dunster AM 2002 Blast furnace slag and steel slag as aggregates a review of their uses and applications in UK construction In 3rd European slag conference proceedings manufacturing and processing of iron and steel slags Euroslag Publication UK pp 21–29

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Technical Review UDC 669 1 054 82 Overview of Iron

2 Overview of Iron steel Slag 2 1 Iron steel slag production Slag is produced during iron and steelmaking processes origi nating from the gangue in the mineral raw materials such as iron ore coal and limestone as well as those in the flux used at steel re fining processes to remove Si P S and other impurities in molten pig iron or to

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PDF IRON AND STEELMAKING SLAGS ARE THEY HAZARDOUS

The specific charge of metal stock when melting with slag removal as shown in Table 1 is more by 4 3 kg t of steel and related to higher slag oxidation by 1 44 and additional iron loss with

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Turning Iron and Steel Manufacturing Waste Into Valuable

In late December 2016 executives from China s Baotou Iron and Steel Group Co visited the Columbia Engineering lab of Ah Hyung Alissa Park and Xiaozhou Sean Zhou to see the operation of a prototype processing unit designed by Park and Zhou to repurpose slag Their goal is to turn wastes of steel and iron manufacturing into reusable

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Role of Slag in Converter Steelmaking – IspatGuru

 · A rough estimate for converter slag density consisting of CaO SiO2 FeO and MnO etc within typical composition and temperature ranges of the oxygen converter process is 2 8 to 3 tons cum If the slag to steel mass ratio at the end of a converter blow varies within 0 08 to 0 1 the slag to steel volume ratio rises from almost zero in the

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Member Companies National Slag Association

Member organizations are actively engaged in iron and steel slag processing refining and or the marketing of these slags Allied Members Organizations involved in servicing or providing products pertaining to the slag producing organizations

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12 5 Iron And Steel Production US EPA

0 2 to 0 4 tons of slag and 2 5 to 3 5 tons of blast furnace gas containing up to 100 pounds lb of dust The molten iron and slag are removed or cast from the furnace periodically The casting process begins with drilling a hole called the taphole into the clay filled iron notch at the base of the hearth

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