slag fuming furnace
slag fuming furnace

Silver processing Britannica

Know More

This is processed by slag fuming, a process whereby the residue is melted to form a slag through which powdered coal or coke is blown along with air The zinc is reduced to the metallic form and is vaporized from the slag, while the lead is converted to the metallic form and dissolves the silver and gold...

Journal of Metals 1955

Know More

A regular fuming furnace charge is four ladles of slag When the fuming plant operators know the amount of slag that is to be available, they decide how many charges to make in the two fuming fur- nac This is based on the amount of slag in the holding furnaces as well as the amount expected ....

The effect of injection parameters on slag fuming ,

Know More

Zinc slag fuming is a Since the available work suggests that the fuming process is volatilisation process in u hich the zinc present in an oxidised kinetlcully controlled by the reaction kinetics of the entrained form in the lead blast furnace slag...

The KIVCET Smelting Process Total Materia Blog

Know More

The slag from the Kivcet furnace is treated in a slag fuming furnace where the zinc in the slag vaporizes to form a zinc oxide fume, which is further treated in an oxide leaching plant to recover the zinc, indium, germanium and cadmium...

Mineral Processing Engineering

Know More

Alternatively, the amount of reducing agent fed to the furnace can be controlled so that minimum fuming of zinc takes place and a slag suitable for dezincing in a conventional slag fuming furnace ,...

CFD modeling of combustion behavior in slag fuming ,

Know More

A computational fluid dynamic CFD model of a conventional tuyere blown slag fuming furnace has been developed in Eulerian multiphase flow approach...

Kinetics of the zinc slag

Know More

From these results it can be deduced that the fuming furnace consists of two reaction zones which are created by the division of coal between the slag and the tuyere gas stream...

slag of lead and zinc ores

Know More

successfully applied to extract zinc by a fuming process from residues from the zinc industry, ISF and QSL slag and Lead blast furnace slag A Computational Fluid Dynamic model has been developed for zinc slag ....

Reducing Fume Emission from Smelting Vessels Using ,

Know More

The slag fuming process utilises hot, ex-lead blast furnace slag and stockpiled granulated slag to produce zinc Slag is supplied to the fumer in ladles at high temperature and poured through charge ports During pouring it is thought that the fresh charge starts reacting and evolving fume as it enters...

Slag Valorisation of Reductive Smelti Lead Metallurgy of ,

Know More

Keywords Fuming, slag, reductive, smelting, furnace Introduction World general tendencies for application of economical technologies in the lead metallurgy enabled application of some slag processing processes of the reductive smelting process For the first...

Zinc Fuming from Lead Blast Furnace Slag Request PDF

Know More

Slag fuming has been used since 1930s to recover zinc from lead blast furnace slag 1 It is mostly a batch process, in which a reducing mixture of air and pulverized coal is injected into the ....

Cominco s New Lead Smelter at Trail Operations

Know More

Author Information 1 Cominco Research PO Box 2000 Trail, British Columbia, Canada V1R 4S4 2 Cominco Limited PO Box 1000 Trail, British Columbia, Canada V1R 4L8...

Optimising the design of fume extraction hoods using a ,

Know More

The slag fuming process utilises hot, ex-lead blast furnace slag and stockpiled granulated slag to produce zinc Slag is supplied to the fumer in ladles at high ,...

Fuming of Zinc from Lead Blast Furnace Slag

Know More

A Thermodynamic Study Fuming of Zinc from Lead Blast Furnace Slag by R C Bell, G H Turner, and E Peters Zinc oxide activities in a typical lead blast furnace slag have been calculated...

Fuming of Zinc from

Know More

A Thermodynamic Study Fuming of Zinc from -Lead Blast Furnace Slag by R C Bell, G H Turner, and E Peters Zinc oxide activities in a typical lead blast furnace slag have been calculated...

Evaluation of Zinc Fuming Furnace Fugitive Emissions ,

Know More

ENVIRONMENTAL PROT mON AGENCY OFFICE OF ENFORCEMENT EPA-330/2-77-010 Evaluation of Zinc Fuming Furnace Fugitive Emissions Bunker Hill Lead Smelter Kellogg, Idaho NATIONAL ENFORCEMENT INVESTIGATIONS CENTER DENVERCOLORADO APRIL 1977...

Slag fuming metallurgy Britannica

Know More

This is processed by slag fuming, a process whereby the residue is melted to form a slag through which powdered coal or coke is blown along with air The zinc is reduced to the metallic form and is vaporized from the slag, while the lead is converted to the ....

Enviroplas LBFS

Know More

For each ton of LBFS fed to the fuming furnace, 840 kg residual slag, 53 kg furnace metal, 54 kg zinc metal, 48 kg dross, and 10 kg fume were produced The dross contained about 60 per cent lead and 20 per cent zinc mostly oxide, some metallic...

CFD modeling of combustion behavior in slag fuming ,

Know More

A computational fluid dynamic CFD model of a conventional tuyere blown slag fuming furnace has been developed in Eulerian multiphase flow approach The model was developed by coupling CFD with kinetics equations developed by Richards et al for zinc fuming furnac The ,...

A novel method for metal recovery from zinc fuming slags ,

Know More

A novel method for metal recovery from zinc fuming, Open Collections , A novel method for metal recovery from zinc fuming slags Creator He, Fengxiang Date Issued , About 600 t of lead blast furnace slag was processed through the demonstration plant at feed rates of 1 to 3 t/h Zinc fuming rates of 120 to 180 kg/h were achieved...

Process for the fuming treatment of metallurgical slag ,

Know More

Feb 24, 1981 0183 32 The present invention relates to a continuous process for the fuming treatment of metallurgical slag, eg lead and copper smelting furnace slag, for the purpose of recovering valuable metals in the slag, such as zinc, lead, tin, cadmium and germanium...

Recent developments in slag

Know More

furnace for slag fuming at Port Pirie, Australia, ii suspension smelting and volatilization at Sachsen, DDR Technology of the fuming process Molten slag is subjected to a blowing treatment with a , Das and Sarkar Recent developments in slag-fuming process 7 0 2n b...

REDUCTION IN FUME EMISSION FROM A SLAG FUMER ,

Know More

REDUCTION IN FUME EMISSION FROM A SLAG FUMER CHARGE PORT USING CFD MODELLING Peter WITT1, Chris SOLNORDAL1, , The slag fuming process utilises hot, ex-lead blast furnace slag and stockpiled granulated slag to produce zinc Slag is supplied to the...

slag fuming furnace

Know More

AbstractThe failure of zinc slag fuming furnace jackets is a common industrial problem that has received little attention in the literature During service the water ....

FUNDAMENTALS OF ZINC RECOVERY FROM METALLURGICAL ,

Know More

granulated slag stockpiled in dumps can be directly charged into the fuming furnace Metallurgical coke is employed as the reducing agent and is delivered to the fuming furnace at a controlled rate...

Teck to lift germanium partial force majeure after Q4 ,

Know More

Repair of the slag fuming furnace 2 furnace is proceeding and we anticipate the furnace to be operational in the fourth quarter of this year, following which we expect to be in a position to lift the partial force majeure, the spokesperson sa...

Teck Announces Major Upgrades at Trail and ,

Know More

The No 4 Furnace Project at Trail Operations includes the construction of a new slag fuming furnace and settling furnace that will integrate into the existing lead smelting process...

030308 Secondary zinc production

Know More

In the slag-fuming process a mixture of coal dust and air is injected through tuyeres into a liquid blast-furnace slag at 1150 - 1250 176 C in a water- jacketed furnace...

Computational Fluid Dynamic Modelling of Zinc Slag Fuming ,

Know More

al for a zinc slag fuming furnace The model predicted the velocity, temperature field of the molten slag bath, generated turbulence and vortex, coal utilization behaviour from the slag bath The jet penetration depth at the tuyere tip was validated against the...

Crude Zinc Oxide Dust Recovery

Know More

The main source of crude zinc oxide includes a flue dust collected from EAF electrical arc furnace b fume dust collected from zinc leaching residue treatment by waelz kiln c zinc fume dust collected from lead slag treatment by fuming furnace...