Table of ContentsGranulating SlagSlag CementPortland Cement made from Slag and LimestoneIron Portland CementSpecial CementsSlag BricksDiscussion The successful establishment of iron blast-furnace plants at Newcastle and Lithgow naturally invites attention to the economic utilization of the various products and by-products arising out of the industry...
Corrosivity Blast furnace slag is mildly alkaline, with a pH in nonstagnant water mixtures in the range of 8 to 10 Despite the fact that blast furnace slag contains a small component of elemental sulfur 1 to 2 percent , the leachate is slightly alkaline and does not present a ,...
Optimum Blast Furnace Slag Composition for Hot Metal ,
Wet granulation, slag pelletizing and dry slag atomization technologies were compared to better understand the flexibility that each process has to treat a range of blast furnace compositions and produce by-product slag suitable for sale...
Blast Furnace Slag - Material Description ORIGIN In the production of iron, iron ore, iron scrap, and fluxes limestone and/or dolomite are charged into a blast furnace along with coke for fuel The coke is combusted to produce carbon monoxide, which reduces the iron ore to a molten iron product...
Initial characterization of the lead blast furnace slag received from Herculaneum was through a wet chemical analysis b scanning electron microscopy and c particle size analysis The chemical analysis was performed by dissolution of the slag in aqua regia followed by elemental assay by atomic absorption for lead, zinc and iron...
Request PDF on ResearchGate Compressive strength and hydration process of wet-grinded granulated blast-furnace slag activated by sodium sulfate and sodium carbonate In this study, the super ....
slag consists primarily of the silica and alumina from the original iron ore, combined with calcium and magnesium oxides from the flux stone It comes from the furnace in a molten state with temperatures exceeding 1480˚C 2700˚F Mineral wool slag is a furnace product made from blast furnace slag, through which a stream of air or steam is blown...
Basic oxygen furnace slag, Dephosphorization, Wet magnetic
Basic oxygen furnace slag, Dephosphorization, Wet magnetic Recommend Documents Basic oxygen furnace BOF slag cooling Laboratory , Basic oxygen furnace slag is a steel industry byproduct result- ing from the , knowledge of flow processes and thus of the material s hydraulic behavior Bear , Hydrodynamic Characterization of Basic ....
Blast Furnace Slag is formed when iron ore or iron pellets, coke and a flux either limestone or dolomite are melted together in a blast furnaceWhen the metallurgical smelting process is complete, the lime in the flux has been chemically combined with the aluminates and silicates of the ore and coke ash to form a non-metallic product called blast furnace slag...
The following components comprise this Basic Blast Furnace Slag product and were used for hazard determination Metallic Silicates and Aluminosilicates Various Various 94-100 Crystalline Silica as Quartz 14808-60-7 238-878-4 0-25 , Fine, dry material should be removed by vacuuming or wet sweeping methods to prevent spreading of dust ....
2 a Classification of the Chemical Granulated Blast Furnace Slag is considered a hazardous material according to the criteria specified in REACH REGULATION EC No 1907/2006 and CLP REGULATION EC No 1272/2008 and OSHA 29 CFR 19101200 Hazard Communication Standard...
Strength and Durability of a 70 Ground Granulated Blast ,
Ground granulated blast furnace slag, concrete mixes, slag, GGBFS, high range water reducer, HRWR, portland cement, freeze-thaw, compressive strength No restrictions This document is available to the public through the National Technical Information Center, Springfield, Virginia 22161 19 Security Classification of this report 20...
Ground-granulated blast-furnace slag GGBS or GGBFS is obtained by quenching molten iron slag a by-product of iron and steel-making from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder...
Granulated Blast-Furnace Slag, GGBFS, Iron Slag Cement, Granular Pig Iron Slag Cement, Granular Water Granulated Slag Cement, Water Granulated Blast-Furnace Slag Cement , exposures to wet slag cement, slag cement mixtures or liquids from wet slag cement Burns should be treated as caustic burns Slag cement causes skin burns with little warning...
Ground Granulated Blast Furnace Slag in Concrete and its ,
The ground granulated blast furnace slag GGBFS is a by-product of iron manufacturing which when added to concrete improves its properties such as workability, strength and durability This material is obtained by the heating of iron ore, limestone and coke at a temperature about 1500 degree ....
General Information Blast furnace slag is a by-product of the steel industry produced by adding a limestone flux to the iron-ore to remove non-ferrous contaminants Granulated Blast Furnace Slag is obtained by rapid cooling or quenching of molten slag and is ,...
Blast furnace iron making is an example in which both unit processes that is reduction of iron oxide and smelting to separate liquid pig iron from slag is done simultaneously in a single reactor Height of the blast furnace is around 25 to 30m It must be mentioned that blast furnace is a very efficient reactor...
642e Dry Granulation of Blast Furnace Slag for Heat ,
Nov 07, 2013 0183 32 for the blast furnace slag energy and as in consequence CO 2 can be saved In summary dry granulation of blast furnace slag allows an environmental friendly and sustainable subsequent processing for one of the last big heat recovery potentials at a modern blast furnace 1 References 1 McDonald, I, Long, E, Werner, A...
of all the steel manufactured worldwide comes from blast furnace/BOF converter-route4 In Europe each year approx 30 million tonnes of blast furnace slag are produced 20 air cooled crystalline slag and 80 water granulated glassy slag , two-thirds of the complete amount of blast furnace slag in Europe is used in the cement industry...
Heat recovery in dry granulation of molten blast furnace slag
Download Citation on ResearchGate Heat recovery in dry granulation of molten blast furnace slag In a research and development project undertaken jointly between Ishikawajima-Harima Heavy ....
FEASIBILITY OF WASTE HEAT RECOVERY FROM MOLTEN SLAG
Blast furnace slag was taken as an example for the evaluation and popular endothermic reactions in the cement production, the chemical industry, etc were selected as a combination process for the heat recovery Exergy analysis of cement and methanol plants was also carried out for further discussion...
gravities of the steel slags stand out from the blast furnace slags which are closer to the specific gravities of natural aggregat The dry and wet strengths of the steel slags are also much higher than the blast furnace slags...
BRIDGE DECK FLY ASH OR GROUND GRANULATED BLAST-FURNACE SLAG CONCRETE OVERLAY Effective January 18, 2011 Revised March 1, 2019 Description This work shall consist of the preparation of the existing concrete bridge deck and the construction of a fly ash or ground granulated blast-furnace GGBF slag concrete overlay to...
The grade of a ground granulated blast-furnace slag is based on its activity index, which is the ratio of the compressive strength of a mortar cube made with a 50 ground granulated blast-furnace slag-cement blend to that of a mortar cube made with a reference cement...
Synonyms Slag cement, ground granulated blast furnace slag GGBFS , granulated blast furnace slag GBFS , Slag Product Form Solid / powder or granular Intended Use of Product Ground granulated blast furnace slag is used as an additive with portland cement in combination with water and aggregates to form concrete...
Blast furnace flue dust contains valuable amounts of carbon and iron The contents of harmful , accomplished by a dust catcher and a wet scrubber The new gas cleaning facilities have , by screened-off fines from the blast furnace BOF slag, lime stone and manganese slag ....
Electric Arc Furnace Slag EAF or steel furnace slag Produced when scrap metal and fluxes are oxidized by the use of an electric current Molten slag is generally placed into ground bays for cooling Both BOF and EAF slags are somewhat heavier than Blast Furnace Slag and most quarried rock material Uses include...
Fly Ash, Slag, Silica Fume, and Natural Pozzolans, Chapter 3
Fly Ash, Slag, Silica Fume, and Natural Pozzolans Fly ash, ground granulated blast-furnace slag, silica fume, and natural pozzolans, such as calcined shale, calcined clay or metakaolin, are materials that, when used in conjunc-tion with portland or blended cement, contribute to the properties of the hardened concrete through hydraulic or...
Page 1 Safety Data Sheet SDS OSHA HazCom Standard 29 CFR 19101200 g and GHS Rev 03 Issue date 07/13/2015 Reviewed on 05/25/2016 41 09 1 Identification Product identifier Trade name Blast Furnace Slag CAS Number 65996-69-2 Relevant identified uses of the substance or mixture and uses advised against No further relevant information available...
aggregate, as expanded blast-furnace slag,9 and as a fine aggregate10,11 under the form of non-ground-granulated blast-furnace slag n-GGBFS in concrete mixtures, but not in shotcrete mixtur This project investigated the feasibility of using blast-furnace slag, in multiple forms, to produce dry-mix shotcrete mixtures with the explicit goals...
