A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
ITPI- Steel and Mining Waste Management: INTELLIGENT TECHNOLOGY AND PROCESS MANAGEMENT FOR STEEL INDUSTRY AND MINING WASTE
Our Invention "ITPI- Steel and Mining Waste Management" is a method for providing a composite capping cover for maintaining the surface of a sulphide bearing tailing and mine waste containing deposit moist thereby substantially eliminating oxidation of the sulphidic particulate in the deposit and the formation of heavy metal salts. The invented also includes atmospheric precipitation and the composite capping cover comprising a fine particulate layer, a fine-granular particulate layer and a coarse granular particulate layer. The size of the particles making up the individual layers having been selected such that the hydraulic conductivity of the layers increases successively, while the matric suction value within the layers decreases. The slag disposal method for disposing of slags produced in furnaces during iron or steel making processes comprises employing the steps of magnetic sorting of masses of crude slags of a size greater than a value ranging between 300 to 400 mm obtained from the furnaces into slags rich in iron (above about 51 to 59 percent) and slags not rich in iron (below 51 percent) and then applying a compressive force to the slags rich in iron to cause a coarse crushing and/or deformation to reduce the size and at the same time increase the iron content due to the breaking and separation of the slags from the metal. Further magnetic sorting and sieving after grinding are provided to obtain concentrates having high iron content and to improve recovery efficiency the specific recycle materials are blended with hot slag and wet sludge to make a recyclable steelmaking revert. The specific recycle materials are kish, lime, glass, ferro manganese and the like and also the specific materials are blended with the slag and sludge individually or in any desirable combination to form a steelmaking revert. The recycle materials are blended with the slag and sludge, the recycle blend slag/sludge mixture is allowed to rest to bring the moisture content to less than 10% by weight and also the steelmaking revert and process for making the same reduce the need for steelmaking raw materials by employing recycle materials from landfills and also reduce the cost. ^r---GREATE~R THAN J.MC ~~~~ 3C3-00 r. 50MiO %50-~60 0 DEPORI6T ION 501C>-500: ralrn L-ow- HIGH IRON CONTrENT I RON CONTJ~EPFT C X>Nseawa4 PON% ag Cafam LA gulds-e FIG. re 1:o ISAFO HR FAFRTEBDMN FALAGDIPOA MTHD
ITPI- Steel and Mining Waste Management: INTELLIGENT TECHNOLOGY AND PROCESS MANAGEMENT FOR STEEL INDUSTRY AND MINING WASTE
Our Invention "ITPI- Steel and Mining Waste Management" is a method for providing a composite capping cover for maintaining the surface of a sulphide bearing tailing and mine waste containing deposit moist thereby substantially eliminating oxidation of the sulphidic particulate in the deposit and the formation of heavy metal salts. The invented also includes atmospheric precipitation and the composite capping cover comprising a fine particulate layer, a fine-granular particulate layer and a coarse granular particulate layer. The size of the particles making up the individual layers having been selected such that the hydraulic conductivity of the layers increases successively, while the matric suction value within the layers decreases. The slag disposal method for disposing of slags produced in furnaces during iron or steel making processes comprises employing the steps of magnetic sorting of masses of crude slags of a size greater than a value ranging between 300 to 400 mm obtained from the furnaces into slags rich in iron (above about 51 to 59 percent) and slags not rich in iron (below 51 percent) and then applying a compressive force to the slags rich in iron to cause a coarse crushing and/or deformation to reduce the size and at the same time increase the iron content due to the breaking and separation of the slags from the metal. Further magnetic sorting and sieving after grinding are provided to obtain concentrates having high iron content and to improve recovery efficiency the specific recycle materials are blended with hot slag and wet sludge to make a recyclable steelmaking revert. The specific recycle materials are kish, lime, glass, ferro manganese and the like and also the specific materials are blended with the slag and sludge individually or in any desirable combination to form a steelmaking revert. The recycle materials are blended with the slag and sludge, the recycle blend slag/sludge mixture is allowed to rest to bring the moisture content to less than 10% by weight and also the steelmaking revert and process for making the same reduce the need for steelmaking raw materials by employing recycle materials from landfills and also reduce the cost. ^r---GREATE~R THAN J.MC ~~~~ 3C3-00 r. 50MiO %50-~60 0 DEPORI6T ION 501C>-500: ralrn L-ow- HIGH IRON CONTrENT I RON CONTJ~EPFT C X>Nseawa4 PON% ag Cafam LA gulds-e FIG. re 1:o ISAFO HR FAFRTEBDMN FALAGDIPOA MTHD
ITPI- Steel and Mining Waste Management: INTELLIGENT TECHNOLOGY AND PROCESS MANAGEMENT FOR STEEL INDUSTRY AND MINING WASTE
TIRTH VINEET (author) / KARAN SINGH RAM (author) / VARSHNEY TARUN (author) / AGARWAL ANSHUL (author) / KUMAR SHUKLA NEERAJ (author) / PRATAP SINGH VINAY (author) / GUPTA PARUL (author) / CHORDIYA S B (author)
2020-12-17
Patent
Electronic Resource
English
Steel Slag and Waste Management
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