Productshighyield sulfuric acid slag iron separation process

BF Flotation Cell

BF flotation cell has two types: type I and type II. Type I is improved as suction cell referring to model SF; type II is improved as direct flow cell referring to model JJF.

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Cyclone Unit

Each feeding inlet of Xinhai cyclone unit is installed knife gate valve independently developed by Xinhai. This valve with small dimension reduces the diameter of cyclone unit.

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Hydraulic Cone Crusher

The supports at both ends of cone crusher main shaft, scientific design of crushing chamber, double insurance control of hydraulic and lubricating system.

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Overflow Type Ball Mill

Wet type overflow ball mill is lined with Xinhai wear-resistant rubber sheet with excellent wear resistance, long service life and convenient maintenance

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Grid Type Ball Mill

Wet type grid ball mill is lined with Xinhai wear-resistant rubber sheet with excellent wear resistance design, long service life and convenient maintenance.

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Round Vibrating Screen(YA)

Ring groove rivets connection, plate type screen box, advanced structure, strong and durable Vibration exciter with eccentric shaft and eccentric block, high screening efficiency, large capacity

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Jaw Crusher

Xinhai improves the traditional specification of crushing chamber by adopting high speed swing jaw and cambered jaw plate.

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Hammer Crusher

High-speed hammer impacts materials to crush materials. There are two ways of crushing (Wet and dry)

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Jig

The cone slide valve is adopted; the failure rate is reduced by 80%; low energy consumption;the separation of different material, improvement of the processing capacity by more than 35%.

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Energy Saving Ball Mill

Cylindrical energy saving grid ball mill is lined grooved ring plate which increases the contact surface of ball and ore and strengthens the grinding.

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Cylinder Energy-Saving Overflow Ball Mill

20-30%. Rolling bearings replace slipping bearings to reduce friction; easy to start; energy saving 20-30%

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SF Flotation Cell

Both sides of the impeller with back rake blades ensures double circulating of slurry inside the flotation tank. Forward type tank, small dead end, fast foam movement

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Slag - Wikipedia

Slag is the glass-like by-product left over after a desired metal has been separated i.e., In many smelting processes, oxides are introduced to control the slag silica separated from the metal, and assist in the removal of sulfur and phosphorus recycled product is used in the manufacture of high-performance concretes,

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Recovery of Copper and Cobalt from Concentrate and Converter Slag

The hydrometallurgical process involves sulfurizing the slag and then Very little iron was dissolved; only 0.2–0.3% of the total. The leaching kinetics of covellite CuS was investigated in sulfuric acid structure and had 34% S, copper and cobalt did not dissolve with high yield. .. Separation Science and Technology.

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Slag is a waste product from the pyrometallurgical processing of

Dust from stainless steel production is with high content of Ni, Cr, V and other metals Then the slag is crushed and magnetic separation process is adopted for . the slag are dissolved by sulphuric acid, releasing ferrous and ferric iron into

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Waste Acid Recycling Technology by Slag Shigeharu

safety concern and cannot be applied to process large slag volumes. Another the steel making slag, can be reused as raw material for iron making. Specifically, we . 4 Separation techniques Ca components of the slag with sulfuric acid. Fig. . speed, which is associated with permeability, and the sinter yield, which is the

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Technological study of Titanium Slag Production from - CiteSeerX

Jun 18, 2014 material granularity, acid-slag ratio, reaction temperature and effect caused iron ore concentrate, mixed in blast furnace slag after furnace process, power consumption, insufficient acidolysis and hydrolysis process of concentrated sulfuric acid, high separation and wash by diluted hydrochloric acid.

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Recovery of Iron from Pyrolusite Leaching Slag by a Lab - MDPI

Dec 26, 2017 Lab-Scale Circulation Process of Oxalic Acid Leaching Keywords: recovering iron; pyrolusite leaching slag; ferrous oxalate; oxalic acid; ultraviolet The manganese could be leached from pyrolusite by sulfur dioxide selectively [2–4]. The reaction is quickly and conversion ratio of iron is very high.

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Ilmenite for pigment and metal production - OAText

Sep 27, 2016 The process naturally can be applied to high grade ilmenite. It bypasses electric of dilute sulfuric acid and FeSO4, iron in the ore is separated at an Leaching of titanium slag for production of TiO2 pigment, now obsolete.

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Recovery of Copper from Reverberatory Copper Slag and - SAIMM

and Production of a Leach Residue used as a The typical process uses crushing, milling and flotation. sulphuric acid at a temperature of 250oC forms a solid cake and leaching of smelting and converting operations are aimed at iron separation from base The copper slag contains a high content of silica and iron.

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Leaching and recovery of zinc and copper from brass slag by

6 days ago The factors affecting the performance and efficiency of the leaching process; Based on the experimental results, a separation method and a flow for the sequential separation of zinc, copper, iron and aluminum from . lurgical method using sulfuric acid as the leaching agent. high purity metal oxides.

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Innovative method for boron extraction from iron ore containing

The key steps of this novel process, which include boron and iron separation,. and elucidation of the boron extraction behavior of boron-rich slag by acid of extraction of boron EEB of the slag was the highest observed in the present study. under the conditions of 80% of theoretical sulfuric acid amount, leaching time

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Closed-loop solvometallurgical process for recovery of lead from

Oct 26, 2017 Lead was quantitatively recovered from the acetic acid leachate by ore deposits and requires much less energy than metal production from slag is mainly treated through magnetic and gravity separation Non-ferrous slag, which includes copper, zinc and lead slag, often has a high iron content, which

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Iron removing from titanium slag for synthetic rutile

Leaching with sulfuric and hydrochloric acids for upgrading titanium slag obtained yield of high quality products, a more eco-friendly process and the generation . Fe2O3 is mainly in the form of iron metal which could not be separated from.

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Separating Slag From Molten Ironfe Patents and Patent

The residue from water leaching is treated with sulphuric acid and Ti02 is precipitated via a provides a high efficiency method for scooping-up slag from liquid iron in a ladle. . Use of an induction furnace for the production of iron from ore.

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Leaching and recovery of zinc and copper from brass slag by

Leaching and recovery of zinc and copper from brass slag by sulfuric acid The factors affecting the performance and efficiency of the leaching processsuch as Based on the experimental results, a separation method and a flow sheet were A flow sheet is developed and tested to produce high purity metal oxides.

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Selective Enrichment and Separation of Ti–Fe Enriched Mineral

In the selective enrichment process, the titanium in Ti-bearing slag was Besides, it is well known that high CaO content is harmful to the sulfuric acid process . In order to reveal the performance of iron oxide combine with SiO2 and CaO, the

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Reduction of Sulphur Content of AGBAJA Iron Ore Using Sulphuric

Reduction; Sulphur content; AGBAJA; Iron Ore and Sulphuric Acid H2SO4 are so closely associated with the iron-bearing constituents that separation is . a real scientific interest in hydrometallurgical processing of high sulphur iron This technique covers the activity coefficient of sulphur pentoxide in the slag [9,10].

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EP2383352A1 - Method for reclaiming iron and phosphorus from

The method thus enables inexpensive recovery of phosphorus and iron from the the slag mixture to phosphorus vapor and to oxidize sulfur S in the slag mixture . In this manner, the steelmaking slag may be recycled to a pig iron production in a molten state promotes the separation of iron from the steelmaking slag.

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Steel Slag in Acid Mine Drainage Treatment and Control - American

Aug 13, 1999 Analysis of total metal content in Mingo Junction steel slag shows high Leaching the slag with water and a weak sulfuric acid solution high concentrations of heavy metals irnbedded in the further grinding and a hydraulic separation process. The . will yield similar alkalinities as steel slag for a short.

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Review of Technologies in the Recovery of Iron - etn redmud

Current global production rates are about 100 to 120 million tonnes per annum2. of this study indicated that, after the separation process, high iron content part of RM could be the .. The slag was then leached with 30% H2SO4 90oC, 1h.

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Making Vanadium Vanitec

This iron ore typically contains 1.0% to 1.5% V2O5. A duplex BOF process in the steelmaking shop yields a vanadium rich slag that can be Ammonium vanadates and high purity vanadium oxide powders are used for the production of The ore is treated with sulphuric acid to dissolve the vanadium and uranium.

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Recovery of zinc from waste material using hydro metallurgical

leach process for the recovery of zinc from slag was consid- ered. ed sulfuric acid solution in order to dissolve the ferrite. highest extraction efficciency of 87% Zn and 80% Fe,but may Therefore, waste minimization and metal recycling ucts has resulted in the production of acid that has The separation process was.

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Zinc processing Britannica.com

Zinc concentrates are roasted and then leached with sulfuric acid to dissolve their zinc The separation of metallic zinc from its ores by pyrometallurgy is much more difficult Early attempts to devise a blast-furnace process for zinc production failed . The blast furnace requires a refluxing unit to make high-grade metal,

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Possible Uses of Steelmaking Slag in Agriculture: An - IntechOpen

Mar 16, 2012 this subject material separation technologies and carbon sequestration . all these reasons, the effective utilisation of slag turns it into high value the main processes of hot metal production in ironmaking and .. through a mixture of sulphuric acid and iron sulphates, has allowed to correct Fe chlorosis.

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SLAG-A Green Product.pdf - National Slag Association

for long term performance across a wide range of responsible, environmentally 5. SLAG . . . An Industrial Co-Product of the Iron & Steel Industry Iron Slag Making Process. Through a magnetically separated and the material Slags possessing specialized chemistries such as high . 66. SLAG for Acid Mine Drainage

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Two-way Valorization of Blast Furnace Slag: Synthesis of

Feb 21, 2017 To this end, blast furnace slag, a residue from iron-making, is utilized as the starting .. The produced PCC should be characterized by high chemical purity min. Substitution of other process inputs acetic acid, sodium hydroxide, and slags in acetic acid for precipitated calcium carbonate production.

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XRF analysis for steel production Spectroscopy Solutions - Specac

Aug 11, 2017 Part of the steel making process involves the removal of slag. protection to neutralize the alumina and silica separated from the metal, and also to assist The requirements for high quality iron and steel products have become In addition, XRF technology does not use acids during sample preparation,

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TENORM: Copper Mining and Production Wastes Radiation

Copper processing facilities are usually located near waste volumes are associated with copper production. The overburden is separated and either hauled to the Acids are introduced to copper-bearing ore, seeping iron and silica compounds and is discarded as slag

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Processes for phosphorus removal from iron ore - a review - Scielo.br

Iron ore of high phosphorus content coexists with other minerals in the form of Among the tested acids, sulfuric acid is the most effective for this purpose. of the final match of sinter met the specification required for the production of steel; . into the slag and it was separated from the grinding and magnetic separation.

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Steel Industry Technology Roadmap -- Chapter Three: Iron Unit

from steelmaking, iron and steel recovered from slag processing, and . road construction although there is some concern regarding its sulfur the removal of large particulates by a dry dust collector yielding blast Hydrofluoric and 4 Nitric Acids used in the pickling of stainless steel are subsequently separated from

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High Performance Slag Materials – A Steel Industry Byproduct

Jan 25, 2018 Every day you probably use a steel industry byproduct, slag, without process as a flux feed after entrained metal impurities are removed. . Acid mine damage AMD forms when sulfur-bearing minerals form sulfuric acid when they are New Magnetic Separation Pulley Takes Away Need to Recover

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Products - - Outotec

and Converting; Solvent Extraction and Electrowinning; Sulfuric Acid Production; Tailings Management; Thickening and Clarification Outotec® Copper Ferric Leaching Process Outotec® Open Slag Bath Smelting Plant Outotec edmeston SX® Sulfuric acid steel Outotec HIGmill® high intensity grinding mill

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Production of Rutile TiO2 Pigment from Titanium Slag Obtained by

Dec 16, 2013 The process involves the digestion of titanium slag with sulfuric acid, with subsequent magnetic separation and sulfuric acid leaching, of vanadium-bearing titanomagnetite with low iron content and high titanium content.

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Steel Slag - Material Description - User Guidelines for Waste and

Steel slag, a by-product of steel making, is produced during the separation of the In the basic oxygen process, hot liquid blast furnace metal, scrap, and fluxes, which A lance is lowered into the converter and high-pressure oxygen is injected. within the steel plant as blast furnace feed material for the production of iron.

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Acid Content of Metal Pickling Baths - Mediray

Steel production begins by smelting iron ore, an iron-bearing to its high carbon content, so further refining is required. After adding flux, the slag is separated.

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Nickel Smelting and Refining - IFC

Processing. Lateritic ores have a high percentage of free and cal processes based on ammonia or sulfuric acid Furnace matte still contains iron and sulfur

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Facility Introduction : Toyo Smelter & Refinery About Us Sumitomo

The Toyo plant is a large-scale seaside copper smelter. It has established the worlds top-class technologies for smelting, production slag its main components are iron oxide and silicic acid is separated from matte. Sulfuric Acid Facility into electrolytic copper with purity of 99.99% through an electrolysis process.

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Acid neutralization using steel slags - DiVA Portal

of the slaked lime in the neutralization process with slag and to study what slag that solution at 25 and 30 °C. At higher temperatures the fluoride content in the .. that the slag originated from, before crushing and metal separation are performed [3]. . Previous studies of acid neutralization using slag from steel production.

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Lead - The Essential Chemical Industry

These figures are for primary production from the ore and do not include and other silicates gangue after which the lead ore and the zinc ore are separated. Sulfur dioxide gas can then be cleaned and used to make sulfuric acid. . The Isasmelt process has higher thermal efficiency, and the remaining waste slag has

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Processing of Phosphorus Slag with Recovery of Rare - IOPscience

production slag by nitric acid with recovery of rare earth metals REMs into solution. The behaviour of iron in the extraction process by TBP was phosphohemihydrate – apatite raw material processing waste – is leached by sulfuric or nitric acid . metals from solutions with high results and separation of components.

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Smelting and Refining Operations

In the production and refining of metals, valuable components are separated This bullion then undergoes a third pyrometallic process to refine the metal to The smelting and refining industry has a higher rate of injuries than most other industries. Sulphuric acid is produced as a by-product of smelting operations and is

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