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In this work, a typical coal for gasification in the Ningdong region of Ningxia, Shuangmazao coal (SMZ), China, was selected as an actual sample, and its ash chemical component is illustrated in Table 1.The major ash chemical components in SMZ were SiO 2, Al 2 O 3, CaO, and Fe 2 O 3, about 90 %.Therefore, to study the effect of iron on slag flow …
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2 · Magnetic separation: the iron slag mixture in the slag is separated for crushing; The iron blocks and iron powder in the slag are separated for recycling. Eddy current sorting: The eddy current sorting machine is used to sort and recover the aluminum metal in the slag. Gravity sorting: using a jig and shaker to sort and recover copper metal.
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A converter slag is a compact and abrasive raw material containing CaO and Fe. The investigations showed that a multi—stage crushing, classifying and magnetic separation operations influence successful steel recovering from slag, while slag itself is converted into a high—grade fluxing agent which can be used in production of sinter and raw ...
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Large amounts of slags from steel plants are produced through basic oxygen furnace and LD furnace. The main purpose of LD process is to convert the molten pig iron and steel scraps into high quality steel. In India, the generation of steel melting slag is over 4 to 4.5 Mt per annum. The amount of steel slags from different steel industries are 150–200 kg/t of …
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For UK sinter plants, a total mass release of 29.5 g WHO-TEQ per annum [WHO-12 PCBs+PCDD/Fs] has been estimated, representing 9% of the total PCDD/F emissions to the UK atmosphere. Measurements were also carried out at a UK sinter plant to determine the windleg emission profile of WHO-12 PCBs. Results showed that WHO-12 PCBs were …
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Recycling silicon from environmentally hazardous diamond wire saw silicon powder waste (DWSSP) and effectively removing boron is still an elusive aim. Here, pressure-less sintering and dynamic-slag treatment were used to recover the powder waste. On the basis of thermodynamic simulation, the slag composition was designed. Dense structure …
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Ironton Sintering Plant Complex is a group of buildings north of Crosby, Minnesota, United States, listed on the National Register of Historic Places.The plant was built in 1924 by the Hanna Mining Company to sintering iron ore mined in the Cuyuna Range.The mining industry, after 1900, was seeking to exploit lower-grade iron deposits to meet the …
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Pellets are manufactured for use in iron-making operations and are categorized according to physical, chemical, and metallurgical qualities. [2] As a result, almost all of those characteristics are standardized. 1.2 Sinter Plant Sinter plant is one of the major departments of vsp where the iron ore pellets are produced by sintering process.
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Oct 25, 2002· One group of models is used for the control of sinter productivity and the other group for the control of sinter quality. The setpoints calculated in that way control the sinter plant operation directly. The different modules included in the system are described in the case of the Wuhan Iron and Steel Co. sinter plant in China.
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Apr 07, 2022· Iron and steel foundries melt scrap, ingot, and other forms of iron and steel and pour the resulting molten metal into molds to produce shaped products. Most are operated by manufacturers of automobiles and large industrial equipment and by their suppliers. The HAP emitted by iron and steel foundries include metal and organic …
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Sep 01, 1994· @article{osti_7127447, title = {Iron ore sintering technology at ILVA Taranto}, author = {Quaranta, G and Sabia, B and Scarton, A}, abstractNote = {The blast furnaces of ILVA Steel Works in Taranto require 11 tons of high-quality sinter each year. To satisfy these demands, the two sinter plants (400 sq meter of suction area each) must …
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product) Coke plants and 99 percent of the GHG emissions for nonrecovery (heat recovery) plants. Additional information on the estimated GHG emissions from the Iron and Steel sector is provided in Appendix D. The following paragraphs provide brief descriptions of Iron and Steel processes. Lists of plants and locations can be found in Appendix B.
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Nov 18, 2022· The smelting slag obtained through iron collection from waste automobile three-way catalysts was used as a raw material to prepare microcrystalline glass through a one-step crystallization heat treatment. The phase composition and microstructure of the prepared glass were analyzed through X-ray diffraction and scanning electron …
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As of 2016, more than 300 million tons of steel slag have not been used effectively. Large steel slag emissions are causing environmental problems for China. China's steel slag utilization rate is low compared with that of industrial countries: the utilization rate is 98.4% in Japan, 87.0% in Europe, and 84.4% in the United States.
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