diagrams of sulfuric acid plant at smelter

Acids - Hindalco During the process of making phosphoric acid, phosphogypsum and hydrofluosilicic acid (HFA) are formed HFA is partly utilised to make aluminium fluoride, and rest is sold in the market Sulphuric acid Hindalco produces sulphuric acid of IS 266/1993 technical grade The sulphuric acid plants use the double contact double absorption (DCDA .
Sulphuric Acid Manufacture removes SO2 from smelting and roasting off-gas The product of sulphuric acid manufacture is liquid acid, 93 to 98% H2SO4, 2 to 7% H2O , Figure 5: Schematic of single contact, 3 catalyst bed sulphuric acid plant It is a single contact acid plant because it has only one H2SO4 making step Note gas cooling between catalyst beds
Sulfuric acid manufacturing and process flow diagram Nov 19, 2017· Sulfuric acid manufacturing and process flow diagram , Sulfur dioxide is present in emissions from sulfuric acid plants a Why is the release of large amounts of sulfur dioxide in the atmosphere undesirable? b What is done to limit the extent of these emissions in sulfuric acid plants? , contact process, smelting, converter, absorption .
Process flow diagram for sulphuric acid plant or simulate? Process flow diagram for sulphuric acid plant or simulate? , operation of flash furnace in smelting copper plant and the controlling , up 'sulphuric acid plant process flow diagram' in an .
HOME - H2so4today - Sulfuric Acid Today | Sulfuric Acid , Published since 1994, Sulfuric Acid Today is a biannual (Spring/Summer and Fall/Winter) trade magazine exclusively covering the sulfuric acid maintenance solutions for the fertilizer, mining/smelting, regeneration, manufacturing, oil and gas/petrochemical and other sulfuric-acid-related industriAll Sulfuric Acid Today readers are linked in some way to the sulfuric acid industry, either as .
Chemical Profile Sulfuric Acid (Smelter) | ICIS Canadian and US smelter capacity curtailment and increased fertilizer operating rates have pushed up sulfur pricing, which, in turn, has raised the price of sulfuric ac Canada's exports (all smelter acid) to the US were down by 500 thousand tons last year, contributing to the market tightness
Innovations: How Hydrometallurgy and the SX/EW Process , Because of its dependence on sulfuric acid, the SX/EW Process is at present not a substitute for, but rather an adjunct to conventional smelting However, it is also applicable in locations where smelter acid is not available by the purchase of sulfuric acid or the manufacture of sulfuric acid from sulfur or pyrite
US6153168A - Method of manufacturing sulphuric acid , A process is provided for manufacturing sulfuric acid from a gas containing sulfur dioxide and steam The sulfur dioxide and steam containing gas is subjected to a catalytic oxidation to convert the sulfur dioxide into sulfur trioxide so as to produce a gas having a sulfur trioxide to steam mole ratio of at least 1:1 at a temperature of 400 to 600° C
ACID PLANT - PT SMELTING The Lurgi-Mitsubishi Double Contact Absorption process is applied in sulfuric acid plant to convert SO 2 in smelter off-gas into sulfuric acid with sulfuric recovery ratio in the world's highest level at more than 998% The sulfuric acid is supplied through pipeline to the next door fertilizer company
Sulfuric Acid Cooling System | Other | Products | Haldor , The acid cooling system of WSA and SNOX™ The acid cooling system of WSA and SNOX™ plants performs a two-step cooling of the hot product sulfuric acid from the WSA condenser First, the hot acid is quenched with cold acid, before going to a pump reservoir
Copper Mining and Processing: Processing of Copper Ores , Copper processing is a complicated process that begins with mining of the ore (less than 1% copper) and ends with sheets of 9999% pure copper called cathodes, which will ultimately be made into products for everyday useThe most common types of ore, copper oxide and copper sulfide, undergo two different processes, hydrometallurgy and pyrometallurgy, respectively, due to the different .
Atmospheric Emissions From Sulfuric Acid Manufacturing , ----- ATMOSPHERIC EMISSIONS FROM SULFURIC ACID MANUFACTURING PROCESSES Cooperative Study Project Manufacturing Chemists' Association, Inc and Public Health Service US DEPARTMENT OF HEALTH, EDUCATION, AND WELFARE Public Health Service Environmental Health Service National Air Pollution Control Administration Durham, North Carolina 1965
THE LUREC PROCESS – KEY TO ECONOMIC SMELTER ACID , 12-14 %-vol prior to being processed in the sulphuric acid plant This dilution in turn enlarges the acid plant equipment by a factor of 2-3 and hence causes an equivalent increase of the related capi-tal and operating cost As the smelter gas concentration increases, so will the feed gas concentration to the acid plant’s SO2 converter
Home | Sulphuric Acid Plant Management and Maintenance , We’re building strong relationships with some of the world’s largest mining and process industry compani We offer the full range of acid plant services with comprehensive capabilities spanning process control, internal inspection and repair of acid towers, vessels, tanks and duct in non-life supporting environments, online temporary repairs, shutdown planning and execution, project .
Sulphuric Acid Production by Dcda Process - 4519 Words , Mar 07, 2012· INTRODUCTION Sulphuric Acid is an important chemical, which has large-scale industrial us , (SCSA) and now Double onversion Double Absorption Process (DCDA) process In India, there are about 140 Sulphuric Acid Plants (130 Sulphur based & 10 Smelter Gas based) , More about Sulphuric Acid Production by Dcda Process Popular Essays
US5180422A - Copper smelting process - Google Patents A copper smelting process is disclosed in which copper concentrate is smelted in a furnace to produce purified copper Flue gas discharged from the furnace is treated to produce sulfuric ac Furthermore, waste liquid discharged during the production of sulfuric acid is treated to produce gypsum, and the gypsum thus produced is recycled to the furnace as a flux
Sulfuric Acid Plants - EPC & LSTK Supplier Sulfuric Acid Plants Nuberg EPC has been providing plant design, engineering, technology and turkey solutions to the sulfuric acid industry for 20 years We have our own technology specially designed and developed to increase the efficiency and cost-effectiveness of sulfuric acid plants
flow sheet diagram of sulphuric acid on study base Figure 7 The Process Flow Diagram for D-Train Sulfuric Acid Plant More details » Get Price Sulphuric acid plant modelling - AspenTech , In India, there are about 140 Sulphuric Acid Plants (130 Sulphur based & 10 Smelter Gas , Typical process flow sheet for Sulphur burning DCDA Plant is given in figure 21 , plants visited for in-depth .
Review of La Oroya Smelter - World Bank The overall copper process is shown in Figure 4-2; this block diagram also shows the sulfuric acid plant that processes the sulfur dioxide generated in the roasting and converting steps The production of sulfuric acid from a copper smelter requires smelter process gas with an SO2 concentration in the
Mining and Extraction: Oxide Ores - processes for , The smelter for sulfide ores produces sulfur dioxide gas This is scrubbed from the flue gases to make sulfuric acid for leaching copper from oxide or Scrubbing sulfur dioxide also protects the environment A by-product of the smelting and converting furnaces is sulfuric ac
Sulphuric Acid - nawabide However, where the sulphuric acid plant is linked to a modern smelter, high SO 2 is available and to increase the output of high pressure steam, low temperature heat from the absorber acid circuits can be used for preheating the boiler feed water 27 Gas Cleaning of Metallurgical Off-gases
Compilation of Air Pollutant Emission Factors: January , A schematic diagram of a contact process sulfuric acid plant that burns spent acid is shown in Figure 810-2 Two types of plants are used to process this type of sulfuric ac In one, the sulfur dioxide and other products from the combustion of spent acid and/or hydrogen sulfide with undried
Sulphuric Acid Plant Fundamentals produced by smelters has increased The availability of smelter acid in some regions has caused some sulphur burning acid plants to shutdown However, when reliability of supply and the energy produced by a sulphur burning acid plant is required, a sulphur burning acid plant still makes sense
ASARCO » Smelting The Acid Plant Sulfur dioxide gas from the flash furnace is captured and combined with water in an adjacent acid plant to produce sulfuric acThe acid is sold as a by-product to chemical manufacturers in the United Stat The Hayden smelter produces 2,500 tons of high-purity sulfuric acid every day Tapping the Flash Furnace
Desmet Ballestra - Sulphuric Acid Production Plants The heat recovery system of a conventional sulphuric acid plant recovers most of the heat produced during the sulphur combustion and the SO 2 ->SO 3 conversion, producing 12 ÷ 13+ tons of MP superheated steam (at 25 ÷ 42 bara and about 400°C) per ton of sulphuric ac
Large Metallurgical Acid Plant – Reference Site – Mt Isa , At the time in 2000, the Metallurgical Acid Plant built in Mt Isa (NW Queensland) was the largest in its size in the world Below is an article that appeared in “Sulphur” Journal (May – June edition) WMC Fertilizers Limited (WMCF) has recently brought into operation the world’s largest metallurgical sulphuric acid plant at Mount Isa, NW Queensland, Australia
Copper Mining & Extraction Process Flow Chart This flowchart made of machinery icons explains or expresses in simple but clear terms the step of the Copper Mining and Copper Extraction Process Starting from either open-pit or underground mining and using a different relevant treatment method for oxide or sulphide copper mineral (ore) Having a quick look now at how porphyry ores are treated and the metals extracted
Zinc smelting - Wikipedia Zinc smelting is the process of converting zinc concentrates (ores that contain zinc) into pure zinc Zinc smelting has historically been more difficult than the smelting of other metals, eg iron, because in contrast, zinc has a low boiling pointAt temperatures typically used for smelting metals, zinc is a gas that will escape from a furnace with the flue gas and be lost, unless specific .