Flowchart of slag production in a modern steel plant
·Table 1 summarizes the chemical composition of LD slag Singh et al 2013; Das et al 2007; Waligora et al 2010 Table 2 depicts the chemical composition and major phases of typical LD
Recovery of metal from slag/mixed metal generated in ferroalloy plants
·Studies were carried out at R&D Tata Steel to develop a flow sheet for the recovery of metal from metal slag mix generated in its charge chrome ferrochrome with 50 60% chromium plant Bamnipal The studies showed that in the case of the charge chrome plant crushing of mixed metal and slag to below 10 mm followed by jigging of the −10 1 mm material
An Overview of Precious Metal Recovery from Steel Industry Slag
Steel slag is a solid waste of the steel industry produced during steel production Three types of slag namely electric arc furnace EAF basic oxygen furnace BOF and Linz Donawitz processed slag LD slag are the steel industry byproducts That slag comprises precious elements including zinc Zn chromium Cr iron Fe nickel Ni silicon Si aluminum Al
Development of a heat recovery system from
·The throughput of the slag continuous solidification plant is designed to be 60 120 t slag/h The throughput is controllable by tilting speed of slag ladle The specification list of bench scale slag heat recovery is shown in Table 1 The plant throughput of this plant is designed to be 10t slag/h The chamber size is L x x
Slag recycling recovery Recovery Worldwide
·Currently molten slag water quenching process is adopted for slag resourceful disposal neglecting waste heat recycling and environmental burdens such as sulfur dioxide or hydrogen sulfide formation [4] By contrast dry granulation is an environment friendly process reconciling molten slag waste heat recovery and slag resourceful disposal in which the
Combining organizational and product life cycle perspective
·It is then moved to the processing plant where the deferrization crushing and sieving processes take place This EAF C which has a size of up to 14 mm can be applied for the construction of bituminous road surfaces and concrete conglomerates The divisions included are steel plant rolling mills slag recovery plant laboratory for
Future trend of terminal energy conservation in steelmaking plant
·Table 1 lists the key parameters of slag waste heat recovery process clearly discharged slag particle temperature by mechanical crushing methods is high but heat recovery rate is less than 65% and slag particle size is larger than 3 mm Definitely they are neglected right now for poor performance and economic efficiency
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