Mineral Processing Engineering

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 ,...

Evaluation of Zinc Fuming Furnace Fugitive Emissions ,

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...

Jorn Bohlke et al: Treatment of Industrial Lead and Zinc ,

of a useable slag is being investigated at the IME Process , purpose such as slag fuming [4], the ISA- and AUSmelt process [S], the Plasmazinc process [6] or the Enviroplas , constant conditions and display disadvantages in flexibility and efficiency A very flexible reactor for a slag treatment is the submerged arc furnace (SAF) which ....

Cominco's New Lead Smelter at Trail Operations - Lead-Zinc ,

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...

Process for the fuming treatment of metallurgical slag ,

Feb 24, 1981· 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...

Slag Fuming Furnaces Recover Zinc and Lead From , - Springer

Smelter with slag fuming plant of the Hudson Bay Mining & Smelting Co Ltd is located at Flin Flon, Manitoba, Canada Slag Fuming Furnaces Recover Zinc and Lead From Copper Slag by R E Mast and G H Kent S LAG FUMING is used by the Hudson Bay Mining & Smelting Co for the recovery of zinc and lead , A regular fuming furnace charge is four ....

CFD modeling of combustion behavior in slag fuming ,

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 ,...

Fuming of Zinc from -Lead Blast Furnace Slag

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...

Enviroplas LBFS - Mintek

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)...

Computational Fluid Dynamic Modelling of Zinc Slag Fuming ,

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...

Recent developments in slag-fuming - [email protected]

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...

Journal of Metals 1955 - Slag Fuming Furnaces Recover Zinc ,

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 ....

JP2009209389A - Slag-fuming method - Google Patents

The present invention relates to a slag fuming process, and more particularly, zinc is produced from smelting furnaces of zinc and / or lead smelting Fuyumingu furnace, lead, a slag and a copper source containing arsenic and antimony-on while forming a melt by, in slag fuming process for volatilization separating the dust containing zinc and ....

MINFILE Mineral Inventory

The Kivcet lead smelter and its associated slag fuming furnace will continue to process the current output of higher-value Zinc Plant residues and will ultimately consume the 475,000 tonnes of residues that are stockpiled at Trail Cominco also markets the slag for ,...

The effect of injection parameters on slag fuming ,

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...

slag fuming - definition - English - Glosbe

The zinc-rich slag is batch charged to two slag fuming furnaces where zinc oxide is fumed off using air and coal EurLex-2 BAT-associated emission levels for emissions to air of TVOC and PCDD/F from the melting of metallic and mixed metallic/oxidic streams, and from the slag fuming furnace ,...

slag fuming furnace - celebrationcakin

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 ....

QSL Lead Slag Fuming Process Using an Ausmelt Furnace ,

Table of contents conference proceedings The table of contents of the conference proceedings is generated automatically, so it can be incomplete, although all articles are available in the TIB...

Electric Arc Furnace Steelmaking using Scrap

The furnace roof could be swung aside for top charging, and a slag door was located on the side opposite the taphole for access to the molten bath The entire furnace could be tilted for tapping Figure 1 shows a layout of the furnace, scrap feeder-preheater, and furnace offgas ductwork including gas sampling location and dust removal units...

Fuming of Zinc from Lead Blast Furnace Slag - Springer

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...

slag fuming furnace - celebrationcakin

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 ....

Processes - Kivcet Flash Smelter

There are a number of benefits associated with the new smelter and slag fuming plant Compared to the old sintering and blast furnace operation shut down in 1997, the Kivcet smelter has reduced particulates (smoke) in the community by 90% and the metals emissions by 70% to 90%...

Kinetics of the zinc slag-Fuming process: Part i ,

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...

RECOVERY OF ZINC FROM SLAG USING PLASMA ARC FUMING ,

The slag from a zinc-lead blast furnace typically contains 7 - 10% zinc oxide The process described should reduce this to approximately 2% This could be further reduced by raising the temperature and bubbling an inert gas through the slag...

The KIVCET Smelting Process :: Total Materia Article

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...

REDUCTION IN FUME EMISSION FROM A SLAG FUMER ,

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...

FUNDAMENTALS OF ZINC RECOVERY FROM METALLURGICAL ,

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...

Silver processing | Britannica

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...

Reducing Fume Emission from Smelting Vessels Using ,

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...

The KIVCET Smelting Process | Total Materia Blog

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...