Cleaning of high antimony smelting slag from an oxygen
The slag dumped from oxygen-enriched smelting of a bottom-blown furnace or antimony smelting of a blast furnace is a valuable source of antimony, but without treatment, it may cause enormous waste of resources and constitute an ecological threat to the surrounding environment. Hence, slag cleaning is important from both …
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Smelting furnaces | PPT
4. Blast furnace Lead is usually smelted in a blast furnace using the carbon As melting occurs, several layers form in the furnace. The molten lead layer sinks to the bottom of the furnace A layer of the lightest elements, including arsenic and antimony, floats to the top and is referred to as the "speiss."
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CN107674987A
The invention discloses Combined Treatment antimony smelting blast furnace slag and lead slag-removed method and system, wherein, method includes：Antimony smelting blast furnace slag is subjected to break process, to obtain antimony smelting blast furnace ground-slag end；Antimony smelting blast furnace ground-slag end mix …
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Efficient Removal of Arsenic and Antimony During Blast …
At high oxygen partial pressure lead, antimony and zinc are removed mostly by slagging, which makes the use of a high oxygen potential beneficial when the dust is …
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Blast-furnace smelting with the production of low-silicon …
Blast-furnace smelting today is organized so as to produce low-silicon hot metal, with subsequent desulfurization. In that case, economical furnace operation is facilitated by the use of low-ash coke characterized by hot strength and low adhesion to the slag melt, as well as stable chemical composition, minimum softening temperature …
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Viscosity Property of Gold-Antimony Smelting Slags by Blast Furnace …
Slag of gold-antimony ore blast furnace smelting has seldom been studied. In this paper, the viscosities of gold-antimony ore smelting slags of different composition have been studied by the ...
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Antimony, a pollutant of emerging concern: A review on …
Smelting in a blast furnace is applied for intermediate grade ores and all other materials containing antimony (25–40% antimony). Rich ores (with 45–60% …
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CN210385174U
The utility model provides an antimony smelting blast furnace skip pit dust arrester installation, including setting up on skip pit inner wall, and be close to skip pit open-ended negative pressure mouth, the skip track about one side of skip pit is for supplying the skip, and one side is laid feed belt conveyor, and the opposite side is artifical charge door, the …
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CN201583123U
The utility model discloses an external crucible-free blast furnace for single-antimony smelting, which belongs to the technical field of smelting and comprises a furnace bottom 11, a furnace body 14, a furnace top 15 and a hearth 12, wherein the furnace bottom 11, the hearth 12, the furnace body 14 and the furnace top 15 are sequentially stacked …
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Reduction Smelting
The reduction smelting is widely applied in the production of steel, ferroalloy, and heavy metals including nickel, lead, zinc, tin, antimony, bismuth, etc., such as blast furnace ironmaking or ferroalloy, saprolite laterite electric furnace reduction smelting to produce nickel-iron, Imperial smelting process (ISP) of lead-zinc sinter to ...
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Trivalent and Pentavalent Antimony
The dominant production methods include blast-furnace smelting, volatilization roasting, liquation, reduction, ... After detailed review of the occupational cancer studies, it was unclear whether there was any exposure to pentavalent antimony among workers in smelting operations. While the types and routes of antimony exposure measured from ...
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zinc-lead blast furnace: Topics by Science.gov
Efficient Removal of Arsenic and Antimony During Blast Furnace Smelting of Lead-Containing Materials. NASA Astrophysics Data System (ADS) Dosmukhamedov, Nurlan; Kaplan, Valery. . The efficient removal of impurities, As and Sb, from recycled lead-containing materials is a key issue in the selection of the appropriate …
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12.6 Primary Lead Smelting
9. Fugitive emissions from the blast furnace, including leaks from the furnace covers and the bottoms of charge cars, dust from the charge car bottom dump during normal operation, and escaping gases when blow holes develop in the shaft and must be "shot" with explosives; 10. Lead fumes from the molten lead and slag leaving the blast furnace ...
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Lead Blast Furnace Dust Recycling | SpringerLink
Blast furnaces, short rotary furnaces, long rotary kilns, reverberatory furnaces, electric arc furnaces (EAF), or top-blown rotary furnaces can be operated for this purpose. ... Oxygen sparging is required at the refining stage for effective antimony and tin removal below 0. ... Fly ash samples originating from different smelting …
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(PDF) Antimony Production and Commodites
furnace, and 45-60% antimony ores are treated by liquation or iron precipitation. A description of ... Blast Furnace Smelting: Intermediate grades of oxide or sulfide or mixed ores, liquatio n .
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Anomaly detection of the blast furnace smelting process …
Anomaly detection and early warning of the blast furnace ironmaking process is an important research direction of blast furnace production. In this paper, through the analysis and optimization of the multivariate statistical process control (MSPC) model, MSPC based on TOPSIS and the grey (GT-MSPC) model is established based on the …
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CN102168189A
The invention discloses an antimony bottom blowing blast volatilization smelting technology and a antimony bottom blowing blast metallurgical furnace. The antimony bottom blowing blast volatilization smelting technology the steps as follows: supplying heat by coking coal or lump coal, supplying air and oxygen into a hearth by a fan, adding coal …
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Antimony and gold substance flows analysis of
The direct recovery of antimony in the blast furnace, gold smelting furnace, cupellation furnace and reverberatory furnace was 95.44%, 84.95%, 85.11% …
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CN204310457U
The utility model discloses a kind of antimony smelting blast furnace grain ore deposit metering system, comprise weigh-hatching plant 7, belt feeder 2 is provided with above described weigh-hatching plant, the top of this belt feeder is provided with storage bin 1, gate 12 is provided with in the bottom of weigh-hatching plant, the below of this gate is …
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Antimony Metallurgy
(3) Antimony sulfide concentrate volatilization smelting in blast furnace. The low charge column blast furnace operating on top of hot stove, which is developed by …
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Sb release characteristics of the solid waste produced in antimony …
Sb release characteristics of blast furnace slag, mining waste rock and tailing sand were investigated in static immersion and dynamic leaching test. These three kinds of waste samples were collected from the antimony mine in Lengshuijiang, China, produced in mining smelting process. Effects of solid/liquid ratio, sample size and pH of …
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CN110819824A
The invention discloses an antimony ore double-exhaust-pipe chair-type water jacket side-blowing blast volatilization smelting furnace which comprises a furnace body, a water jacket and air pipes, wherein the water jacket is arranged at the bottom of the furnace body and is communicated with the interior of the furnace body, the water jacket comprises …
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Efficient Removal of Arsenic and Antimony During Blast Furnace Smelting
AbstractThe efficient removal of impurities, As and Sb, from recycled lead-containing materials is a key issue in the selection of the appropriate smelting technology for projects involving metal reuse. Volatilization of impurities such as As and Sb should occur as early as possible in the process, and preferably within the smelting furnace, …
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Analysis of titanium distribution behaviour in vanadium …
Slag of gold-antimony ore blast furnace smelting has seldom been studied. In this paper, the viscosities of gold-antimony ore smelting slags of different composition have been studied by the ...
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Efficient Removal of Arsenic and Antimony During Blast …
Efficient Removal of Arsenic and Antimony During Blast Furnace Smelting of Lead-Containing Materials NURLAN DOSMUKHAMEDOV1 and VALERY KAPLAN 2,3 1.—The Kazakh National Research Technical University Named After K.I. Satpayev, Almaty, Kazakhstan. 2.—Weizmann Institute of Science, Rehovot, Israel. 3.—e-mail: …
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Antimony smelting process generating solid wastes and …
Furthermore, according to a study of the physical and chemical properties and leaching behavior of the solid wastes produced during the Sb smelting process, water-quenched slag, arsenic-alkali residue, desulfurized slag and blast furnace dust can all be classified as hazardous waste because of the enrichment of heavy metals including As …
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Development of Antimony Smelting Technology in China
The different process that was adopted to extract antimony depends on the different raw materials. The process of blast furnace volatilization smelting is mainly used to treat stibnite and antimony-gold ores. But jamesonite is treated by the process of roasting-sintering-blast furnace smelting.
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Present Situation and Research Progress of Comprehensive …
Smelting slag is a byproduct produced in the smelting process of the blast furnace in the blast furnace volatilization smelting method. Crude antimony and antimony matte are mainly obtained by this process. Table 3 shows the composition of typical melting slag.
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Extracting antimony from high arsenic and gold-containing stibnite ore
The sulfide antimony ore is first volatilized and oxidized into antimony xide (Sb 2 O 3) in a blast furnace, and then Sb 2 O 3 is reduced to antimony metal in a reverberatory furnace (Hua et al., 2003; Qin et al., 2015).
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Efficient Removal of Arsenic and Antimony During Blast …
Efficient Removal of Arsenic and Antimony During Blast Furnace Smelting of Lead-Containing Materials. stan. 2.—Weizmann Institute of Science, Rehovot, Israel. 3.—e …
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