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- W2891863996 abstract "LD slag (Linz Donawitz slag) is one of the major industrial by-products generated during steel making in the integrated Tata Steel plant at Jamshedpur, Jharkhand, India. The plant uses approximately 25 million tons of iron ore and coal/coke blend every year to produce about 10 million tons of steel. Hot metal or molten iron from the blast furnace is transferred into vessels called torpedoes and transported on rail tracks to the LD shops. Here, the molten iron is refined into steel using the ‘basic oxygen furnace’ (BOF) method. In a steel industry, all the three types of waste materials (gaseous, liquid and solid) are generated. The generation of gaseous waste material is the highest, but the management of solid waste material is the most intricate. The steel slag generated from LD converter (steel making) is dumped in pits and allowed to cool by sprinkling water. The solidified steel slag is then sent to a waste recycling plant (WRP) for recovery of the metallic and non-metallic portions. The quantity of non-metallic portion of (-6.0mm) LD Slag fines after the recovery of metallic portion is around 40000MT/Month, which is close to 5 Lakh tons per annum. The present study aims at value addition of this enormous amount of non-metallic slag by a chemical process to obtain “yellow gypsum”, which has a wide range of industrial and agricultural applications. The authors have characterized this material using techniques such as x-ray diffraction (XRD), chemical analysis, scanning electron microscopy (SEM), thermogravimetric analysis (TGA), Fourier transform infrared analysis (FTIR), and Raman spectroscopy. The authors have also discussed the applicability of this material for different applications. An Indian patent application (572/KOL/2014) has been filed for this material." @default.
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- W2891863996 date "2017-05-22" @default.
- W2891863996 modified "2023-10-06" @default.
- W2891863996 title "Value Addition of LD Slag at Tata Steel by Effective Utilization of Non-metallic Fines for Possible Industrial Applications" @default.
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