0000014281 00000 n 0000104265 00000 n 0000018431 00000 n 0000112839 00000 n 0000115307 00000 n 0000016710 00000 n vi) Slag Granulation Plant (SGP) / Slag Dumping Yard: During the process of iron making, the impurities are fluxed and removed as slag. 0000057966 00000 n 0000009059 00000 n 0000106545 00000 n 0000011697 00000 n 0000010212 00000 n 0000105477 00000 n 0000103701 00000 n Blast Furnace Slag is gained as a derivative in the removal of iron from its ore.The procedure of removal of iron is the blast furnace. Blast furnace slag is durable and has long-term compressive strength due to its pozzolanic and hydraulic characteristics when finely ground. Thereafter, the two were unified as JIS A 5011-1 “Slag Aggregate for Concrete, Part 1 Blast Furnace Slag Aggregate”. 0000008569 00000 n 0000017003 00000 n 0000108280 00000 n 0000103272 00000 n The prepared slag was firstly ground in a laboratory ball mill to attain a Blaine specific surface area of 340 m2/kg. New research is being carried out to find new ways for waste utilization. Some of top companies that supply Blast Furnace Slag are AfriSam (South Africa), JFE Steel Corporation (Japan) and Tatametaliks (India). 0000106035 00000 n 0000009196 00000 n When iron-ore, coke and limestone melt in the blast furnace, two products are produced—molten iron, and molten slag. Use of steel slag and blast furnace slag in asphalt is encouraged from an environmental perspective. 0000016554 00000 n 0000120658 00000 n So incorporating this waste material in concrete can reduce the depletion of conventional concrete components such as cement, fine … 0000110630 00000 n Granulated blast furnace slag (GBF slag) is obtained by quenching molten iron slag (a byproduct of iron making) from a blast furnace in water or steam, to produce a glassy, granular product. 0000080283 00000 n RILEM Publications, 2019, Técnicas M.N.I.A.R. 0000118675 00000 n Then, in 1983, the Japan Society of Civil 0000009244 00000 n 0000106653 00000 n 0000105951 00000 n 0000116193 00000 n 0000058941 00000 n 0000012770 00000 n 0000008618 00000 n Ground granulated blast-furnace slag, more commonly referred to as slag or slag cement, is a by-product of steel production. 0000105246 00000 n Slag was processed by 28 companies servicing active iron and steel facilities or reprocessing old 0000012430 00000 n 0000102614 00000 n 0000104064 00000 n 0000113727 00000 n 0000113282 00000 n 0000017025 00000 n Testing of hardened mortars, a process of questioning and interpreting. Blast furnace slag is a by-product of iron manufacturing, via thermochemical reduction, in a blast furnace. 0000007886 00000 n 0000112635 00000 n To browse Academia.edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser. 0000107907 00000 n 0000107518 00000 n 0000005182 00000 n 0000012185 00000 n 0000010650 00000 n The hot liquid slag is made into slag granules by means of high 0000108661 00000 n In the process, the iron ore is reduced to iron while all remaining materials form the slag, which is tapped off as a molten liquid and cooled. 0000012576 00000 n 0000011990 00000 n 0000008423 00000 n 0000108902 00000 n While this is a new method of use in this country, the cementitious material is not new: it is an improved Portland blast-furnace slag cement. However, beyond 70% slag incorporation, early strength gain of PSC is meagre because of its low reactivity. Scattered throughout the iron-making districts of Great Britain are many million tons of scoria, or rcfilse from the blast flmmees, which is technically known as slag. Slag is referred as granulated slag when subject to grinding accord-ing to the standard NF IN 15167-1 [15]. 0000105675 00000 n 0000116867 00000 n 0000009010 00000 n GGBS being a waste material, it needs proper method for disposal. 0000102296 00000 n The chemical composition and the specific surface area of the blast-furnace slag are given in Table 1 and Figu- 0000041823 00000 n 210MM1156 for the award of Master of … 0000058728 00000 n 0000008080 00000 n 0000104163 00000 n 0000112172 00000 n 0000102004 00000 n blast-furnace slag cement (BB). 0000102085 00000 n These operate at a temperature of about 1500 degrees centigrade and are fed with a carefully controlled mixture of iron ore, coke and limestone. 0000109129 00000 n 0000011403 00000 n 0000015747 00000 n 5.3 WEIGHMENT – One filled bag from each nozzle shall be taken at random twice in each shift of operation and weight checked in case of electronic packers with recorders. 0000012381 00000 n Sorry, preview is currently unavailable. Blast Furnace and Process Description:- Iron blast furnace is a vertical shaft, which is used to melt the iron ore and to produce hot metal by heat exchange and chemical reaction.The burden charge consisting of iron oxide, flux and coke and it provides through the throat from the top of the furnace. 0000104508 00000 n 0000110389 00000 n 0000011892 00000 n 0000012528 00000 n Iron Blast Furnace Slag Aggregate for Concrete” in 1977 and fine BF slag aggregate as JIS A 5012 “Water Granulated Iron Blast Fur-nace Slag Aggregate for Concrete” in 1981. 0000011941 00000 n 0000117535 00000 n 0000106347 00000 n 0000012673 00000 n IN VANADIUM - TITANIUM BLAST FURNACE SLAG METALURGIJA 59 (2020) 1, 7-9 B 2 O 3 influent on the viscosity of the high titanium slag As Figure 6 showed, the slag viscosity can be de-creased when the content of the B 2 O 3 was increased, because the melting point of the B 2 O 3 was low to 450 The blast furnace is a huge, steel stack lined with refractory brick, where iron ore, coke and limestone are dumped into the top, and preheated air is blown into the bottom. 0000107698 00000 n 0000019436 00000 n 0000005089 00000 n 0000012479 00000 n The granulated blast furnace slag may be used to make blast furnace slag cement either by being interground with the Portland cement clinker or by grinding the blast furnace slag separately and then blend- Granulated blast-furnace slag was prepared from Isfahan steel complex located in Isfahan province, Iran. 0000011355 00000 n The molten slag at a temperature of about 1500°C 0000061619 00000 n 0000011599 00000 n 0000103953 00000 n 0000118914 00000 n In 2006, BFS was put forward for consideration by the Waste Protocols Project which aimed to establish the point at which BFS ceased to be waste. 0000013828 00000 n 0000008863 00000 n 0000041434 00000 n Ground granulated blast furnace slag (GGBS) is a by-product from the blast-furnaces used to make iron. 0000113050 00000 n A Technical Advisory Group (TAG) comprised of 0000012039 00000 n Hydration kinetics and products of MgO-activated blast furnace slag Solmoi Parka,b, Hyeong Min Parkc,d, H.N. 0000012965 00000 n 0000041378 00000 n This slag goes on accumulating at the r a t e of nearly eight millions of tons per annum, its bull 0000009099 00000 n 0000104598 00000 n Blast furnace slag was about 50% of the tonnage sold and accounted for 88% of the total value of slag, most of which was granulated. 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