smelting process flowsheet off gas fan May

ISASMELT-Not Just a Flash in the Pan

effective copper smelting process available in the world today. The process and some ... Off gas Volumetric flow rates (Nm3/hr) 65,000 (excludes ingress) 60,000 ... equivalent to 600,000 tonnes of concentrate. The process flowsheet is shown schematically in Figure 2. The plant was constructed on a greenfield site and includes Peirce-Smith ...

ferrochromium – Pretreatment for smeltinG - MINTEK

ferrochromium – Pretreatment for smeltinG. The Twelfth International Ferroalloys Congress ... exhibiting good collection. To some extent, the carbon values may be excessive and it is possible ... the alloy were in excess of 95%. 5 PROCESS FLOWSHEET ENERGY ANALYSIS The energy requirements of several flowsheet scenarios were evaluated using ...

The Utah Smelter as Modified for Environmental Compliance

The smelting process utilized prior to 1977 at the Kennecott ... cooled hood, dropout chamber, air-to-gas heat exchanger, and hot gas fan before combining with other converter and reactor process gases. At the end of the converting cycle, ... The Utah Smelter as Modified for Environmental Compliance, ...

Outotec Direct Zinc Melting Process - Outotec

The process is particularly well suited to the processing of low-grade concentrates with significant concentrations of gangue impurities such as SiO2, CaO and MgO, thereby overcoming the limitations of the Roast-Leach-Electrowinning (RLE) flowsheet. The DZS process incorporates separate smelting and reduction operations, which may be carried ...

US3224871A - Process of preheating ores for reduction in ...

Dec. 21, 1965 F. c. COLLIN PROCESS OF PREHEATING ORES FOR REDUCTION IN SMELTING FURNACE Filed Feb. 15, 1962 @Q QsQ M M 3: m i M,m M mm w w W I W 5? wt w W N m Na .n 3 W :M . H. m s Rd w United States Patent 6 Claims. to]. 7s 34 Treatment of ores in a rotary kiln at temperatures of about 900 to 1100 C. prior to reduction in an electric smelting furnace is known and …

Copper losses to slags obtained from the El Teniente process

The Smelting and Converting El Teniente Process for copper concentrates as well as Slag ... continuously exhausted through the off-gas mouths, are cooled, dedusted and used for sulphuric ... Simplified flow-sheet of the current El Teniente pyrometallurgical process at Caletones smelter.

Metallurgical Processes - Sulphuric Acid

There are a variety of metallurgical process generating off-gases containing a variety of SO 2 concentrations and impurities. Each process is unique which dictates that the gas be treated in different ways in order to remove impurities and treat the SO 2 in the gas. The following table list the type of metallurgical operation and the type of ...

12.3 Primary Copper Smelting

The reverberatory furnace smelting operation is a continuous process, with frequent charging and periodic tapping of matte, as well as skimming slag. Heat is supplied by natural gas, with conversion to oil during gas restrictions. Furnace temperature may exceed 1500°C (2730°F), with the

Heavy Mineral Processing at Richards Bay Minerals

Flowsheet specification and fine- ... Smelting Process The grade of ilmenite produced at RBM is of too low a grade to be used directly in the production of pigment or synthetic rutile. ... amount of dust that is scrubbed from the furnace off-gas is the only discard produced.4

Copper Mining and Extraction: Sulfide Ores

The froth is skimmed off the surface and the enriched ore (mainly the copper mineral) is taken away for roasting. ... Smelting with fluxes ... At the cathode the copper ions take back two electrons to return to being copper atoms. It may seem that the whole process achieves nothing: Cu → Cu2+ → Cu .

Control Of Sulfur Oxide Emissions From Primary Copper ...

gas purification processes for use with sulfur oxide re-covery processes; new smelting technology that may affect sulfur oxide recovery; hydrometallurgical pro-cesses that avoid generation of sulfur oxides. Emphasis is placed on technological developments in smelting that can lead to production of rich sulfur dioxide gas

Chemical Smelting - Mineral Processing & Metallurgy

General Chemical Smelter Flowsheet. ... After filtration pure white basic lead carbonate would then be precipitated from the filtrate bl blowing CO2 gas into the solution. ... Tags: Pyrometallurgy, Smelter, Smelting | Comments Off on Chemical Smelting. Previous Next. Related Posts. Uranium Extraction Process. Gallery Uranium Extraction Process ...

ISACONVERT™ – Continuous Converting of Nickel/PGM …

Continuous Converting of Nickel/PGM mattes M.L. Bakker, S. Nikolic, A.S. Burrows, and G.R.F. Alvear ... (TSL) bath smelting process was developed in Mount Isa, Australia by Mount Isa Mines Limited (now a subsidiary of Xstrata plc) during the 1980s. By the end of 2011, the total installed capacity of ... of off-gas, containing a high ...

flow chart ferrochrome processing - hjrmachinery.co.za

A Process Flow Diagram (PFD) is a type of flowchart ... ferrochrome smelting process flowsheet granulation. flow chart ferrochrome processingupvcdoors.in . ferrochrome smelting process flowsheet granulation ferrochrome smelting process flowsheet off gas fan Welcome To Our Company : ferrochrome smelting process flowsheet off gas fanView/Open…

Blast furnace - Wikipedia

The blast furnaces used in the Imperial Smelting Process ("ISP") were developed from the standard lead blast furnace, but are fully sealed. This is because the zinc produced by these furnaces is recovered as metal from the vapor phase, and the presence of oxygen in the off-gas would result in the formation of zinc oxide.

Nickel Smelting and Refining - IFC

Process bleed streams may contain antimony, arsenic, or mercury. Large ... of clean, dry off-gas in water or chemical absorbtion by ammonium bisulfite or dimethyl aniline) ... Nickel Smelting and Refining. 351. should be recycled. To the extent possible, all pro-

Process analytics in the Iron and Steel Industry - Siemens

Process analytics in the Iron and Steel Industry ... The off gas is directed over heat When switching to fresh air feed, the ... based iron making process. Smelting reduction technology, as the name clearly suggests, involves both solid-state reduction and melting. Smelting is

Aluminium smelting - Wikipedia

Aluminium smelting is the process of extracting aluminium from its oxide, alumina, generally by the Hall-Héroult process. Alumina is extracted from the ore bauxite by means of the Bayer process at an alumina refinery .

Copper Production with Outokumpu Flash Smelting: An …

COPPER PRODUCTION WITH OUTOKUMPU FLASH SMELTING: ... Optional gas circulation fan, 11) Gas cleaning, 12) Off ... which was the capacity of the previous electric smelting line, too. The flow sheet ...

HIsmelt process of Ironmaking | ispatguru.com

Jul 02, 2013· HIsmelt process of Ironmaking ... The byproduct of the process is slag and the off gas. Main features of the process. HIsmelt process has the following unique features. ... Typical flow sheet of the process is shown in Fig 2 and the typical layout of the process is in Fig 3.

ferrochrome smelting process flowsheet off gas fan

ferrochrome smelting process flowsheet off gas fan. ferrochrome smelting process flowsheet off gas fanferrochromium Pretreatment for smeltinG ferrochromium Pretreatment for sm. ferro manganese production line - ZCRUSHER. leader in Ferro Chrome in It is also the line, such as: crushing plant, mobile crushers process flow …

Alternate Reductant Cold Cap Evaluation Furnace Phase II ...

Process data was collected throughout testing and included melter operation parameters and off-gas chemistry. In order to generate off-gas data in support of the flammability model development for the nitric-glycolic flowsheet, vapor space steady state testing in the range of ~300-750°C was conducted under the following conditions, (i) ...

Pyrometallurgical Processing Technologies for Treating ...

Controlled oxidation, soda ash roasting may be a method to eliminate the need for extensive arsenic collection and conversion in the off gas and acid manufacturing. The major obstacle is the cost of the soda ash and ferric sulfate for arsenic precipitation. Research is underway to evaluate reagent regeneration using EDU.

An Improved DC-Arc Process for Chromite Smelting

AN IMPROVED DC-ARC PROCESS FOR CHROMITE SMELTING G. M. Denton1, J. P. W. Bennie1 and A. de Jong2 1Mintek, Randburg, South Africa. E-mail: [email protected] and [email protected] ... the feed to the furnace in a fluidized bed or flash reactor fuelled by cold furnace off-gas. ... The test regime was dictated by a simple flowsheet in which only ...

Energy Efficiency of the Outotec Ausmelt Process for ...

Mar 27, 2017· Energy Efficiency of the Outotec Ausmelt Process for Primary Copper Smelting 1015. ... (Flowsheet 1) combined Ausmelt smelting and Pierce-Smith converting with an electric fur-nace for matte-slag separation (Fig. 3). The config- ... Secondary gas fan 2 …

Lead and Zinc Smelting - IFC

Lead and Zinc Smelting Industry Description and Practices ... and metals in other chemical forms may be present. Off-gases contain fine dust particles and volatile impurities such as arsenic, fluorine, and ... conventional sintering and blast furnace process. Process gas streams containing over 5% sulfur

(PDF) COPPER PRODUCTION WITH OUTOKUMPU FLASH …

Converting mean blister flash smelting processes i.e. Direct-to-Blister Flash Smelting process and Kennecott-Outokumpu Flash Converting, respectively, in both of which blister copper is produced ...

Graphic Not Available. - EPA Archives

Tin smelting is most comm only conducted in reverb eratory furnaces because they o ffer better process ... an off-gas is also generated and is sent to a caustic scrubber to control ... Process wastewater is generated as blowdown from the scrubbing of off-gases generated during smelting.

Rönnskär Smelter - Georange

Rönnskär Smelter – ... Rönnskärs Process flowsheet – compared to a convention al Cu-smelter Secondary Raw Materials Dryer Dryer Fluidized Bed Roaster Copper Conc. Electric ... • 1970 New converter off-gas system • 1971 Sulphur dioxide plant no 1 started production

CONVERTING USING ISASMELTTM TECHNOLOGY

Figure 3 shows the flowsheet for the KRS process. The smelting and converting ... • Significant decrease in off gas volume ... the blister copper produced by the ISACONVERTTM furnace may be expected, compared with blister produced in a batch converting process…