sulphuric acid production process from zinc pyrites

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Sulphuric acid - Lenntech

The raw materials employed in sulphuric acid making are:-1 Sulphur (a) Crude brimstone (b) Metallic sulphides, such as iron pyrites, chalcopyrite (copper pyrites), sphalerite (zinc blende), etc (c) Hydrogen sulphide (seldom used) 2 Sodium nitrate or nitric ac 3 Water as steam 4 Oxygen as air...

A method of extracting precious metals from the pyrite ogarkov

The invention relates to hydrometallurgy rare and non-ferrous metals and can be used to extract gold and silver from Ogarkov, obtained by roasting iron pyrites (pyrite), which is a waste sulfuric acid production is E there is an effective technology, allows you to extract precious metals from the pyrite slag, a waste sulfuric acid production...

Pyrite - Wikipedia

Pyrite remains in commercial use for the production of sulfur dioxide, for use in such applications as the paper industry, and in the manufacture of sulfuric ac Thermal decomposition of pyrite into FeS ( iron(II) sulfide ) and elemental sulfur starts at 540 °C (1,004 °F); at around 700 °C (1,292 °F), p ,...

Sulphuric Acid | TET Success Key

Sulphuric Acid Manufacture of Sulphuric Ac Sulphuric acid can be manufactured by Contact process The process involves the following steps: (i) Preparation of sulphur dioxide Sulphur dioxide is prepared by burning sulphur or iron pyrites in excess of air S+O 2 → SO 2 4FeS 2 + 11O 2 → 2Fe 2 O 3 + 8SO 2 Iron pyrites...

Lead and Zinc Smelting - IFC

Zinc Manufacturing In the most common hydrometallurgical process for zinc manufacturing, the ore is leached with sulfuric acid to extract the lead/zinc These pro-cesses can operate at atmospheric pressure or as pressure leach circuits Lead/zinc is recovered from solution by electrowinning, a process simi-lar to electrolytic refining...

Sulfur extractionpptx - SULFUR BAROMETER OF INDIA\u2019S ,

RAW MATERIALS SOURCES: Sulfuric acid may be produced from elemental sulfur, pyrites, hydrogen sulfide as contained in sour gas and petroleum, waste gases from the burning of fuel and smelting operations Deposits of pyrites are in Amjhore, Saladipura Deposits of sulfur are found in Puga valley of Kashmir Recovery of elemental sulfur from petroleum refineries, production of by-product ....

Sulphuric Acid - an overview | ScienceDirect Topics

Sulfuric acid (H 2 SO 4) is important in the production of fertilizers (eg, ammonium sulfate (sulfate of ammonia), (NH 4) 2 SO 4, and superphosphate, Ca(H 2 PO 4) 2, which is formed when rock phosphate is treated with sulfuric acid) Sulfuric acid is manufactured at the site using the well-known contact process...

Materials-Cycle Optimisation in the Production of Major ,

process flows for the US in 1988 are shown in Figure 51 Most industrial sulfur is converted initially to its most oxidized form, sulfuric ac Sulfuric acid, because of low cost and its variety of uses as a powerful oxidizer and pH control in the chemical industry and other industries, is one of the most reliable indicators of general...

The Double Contact Process - tandfonline

The Double Contact Process For Sulfuric Acid Production In the usual contact plants 97-98% of the SO2 is oxidized to SO3 while the remaining 2-3% nonoxidized SO2 are emitted The stack gas generally contains 02-03% by volume SO2 Through changing to the Bayer Double Contact process, the conversion can be raised to 995% or higher...

(PDF) 21 Processes of Manufacture of Sulfuric Acid ,

It is necessary to distinguish the main ores as indi- cated in Table 21 f14 2 Processes of Manufacture of Sulfuric Acid The concentration (vol%) of SO2 on the plant gases determines the total volume of gases handled Any air injected into the system is additional—but this is gener- ally a small amount...

sulphuric acid production process from zinc pyrites

Sulfuric acid (H 2 SO 4) is important in the production of fertilizers (, ammonium sulfate (sulfate of ammonia), (NH 4) 2 SO 4, and superphosphate, Ca(H 2 PO 4) 2, which is formed when rock phosphate is treated with sulfuric acid) Sulfuric acid is manufactured at the site using the wellknown contact process Get Price; formula of zinc pyrites ....

Desmet Ballestra - Sulphuric Acid Production Plants

The processes that Desmet Ballestra makes available can produce sulphuric acid from several sources: Elemental sulphur, based on dry air combustion (conventional process) Exhaust SO 2 gas, coming from roasting/smelting of pyrites, copper, zinc, lead, nickel ores and similar; Spent acid or sludge obtained from alkylation processes...

SULFURIC ACID - Entrepreneur India

The acid is used as a solvent, a dehydrating agent, a reagent in chemical reactions or process as catalyst, an absorbent etc Source of sulphuric acid may be iron pyrites (35%), sulphur (46%), the waste gases of non ferrous metallurgy (15%) and hydrogen sulphide (4%) Sulphuric acid is one of the most important basis chemicals during war place...

US623154A - Extraction of zinc and copper from ores ,

zinc copper ammonia aqua residue Prior art date 1899-04-18 Legal status (The legal status is an assumption and is not a legal conclusion Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed) Expired - Lifetime Application number Publication date 1899-04-18 1899-04-18 Application granted ....

Thallium isotopic fractionation in industrial process of ,

Feb 15, 2020· The sulfuric acid production factory using Tl-enriched PO is located in the Yunfu city, western Guangdong Province, China The factory has been generating sulfuric acid with an annual average production of 80,000 t, which generates approximately 55,000 t of smelting wastes annually...

PYRITE ROASTING, AN ALTERNATIVE TO SULPHUR BURNING ,

Pyrite roasting and sulphur burning plants are built for the production of sulphuric ac Whereas the burning of elemental sulphur is the main source for sulphuric acid, the roasting process is an interesting alternative once pyrite concentrate is available In addition to these two applications, Figure 1 shows a wider variety of sources for the...

Sulphuric Acid Production - nawabide

Sulphuric acid production is a mature industry and hence there is little room for further improvement in the process itself There have been some developments in the materials used in the construction of the plants or their design such as the use of double shell vessels...

Sulfuric acid history | ML2R consultancy

Apr 26, 2017· Sulphuric acid (American English: Sulfuric), H 2 SO 4, is a strong mineral acIt can form any concentration in water The old name for sulphuric acid is oil of vitriol When high concentrations of SO 3 are added when making the acid, a solution of SO 3 in H 2 SO 4 results This is called fuming sulphuric acid or Oleum or Nordhausen ac...

Sulphuric Acid Production Process From Zinc Pyrites

Sulphuric Acid Production from Pyrite at Cockle Creek Using the Turbulent Layer Roasting Process , Plant for the production of sulphuric acid from pyrites flotation concentrates was commissioned at Cockle Creek during 1956, to meet increasing demands for commercial acid and superphosphate , zinc concentrates, pyrites and -spent oxide ....

Copper extraction - Wikipedia

Copper extraction refers to the methods used to obtain copper from its orThe conversion of copper consists of a series of physical and electrochemical process Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors As in all mining operations, the ore must usually be beneficiated (concentrated)...

Lead Processing - IDEALS

Primary lead production begins with sintering Concentrated lead ore is fed into a sintering machine with iron, silica, limestone fluxes, coke, soda ash, pyrite, zinc, caustics or pollution control particulat The mixture is blasted with hot air to burn off the sulfur and sent to the smelter Lead is usually smelted in a blast furnace using ....

PYRITE ROASTING, AN ALTERNATIVE TO SULPHUR BURNING ,

Pyrite roasting and sulphur burning plants are built for the production of sulphuric ac Whereas the burning of elemental sulphur is the main source for sulphuric acid, the roasting process is an interesting alternative once pyrite concentrate is available In addition to these two applications, Figure 1 shows a wider variety of sources for the...

Desmet Ballestra Italy Chemical Plants

the production of sulphuric acid, oleum, SO 2 and SO 3, , pyrites, copper, zinc, lead, nickel ores and similar , process to the conventional “dry” sulphuric acid route This process is designed to produce H 2 SO 4 acid from SO 2 or H 2 S off-gas, spent acids, sulphates regeneration feedstocks...

Information concerning the pyrites and sulphur industry

used for practically all of the sulphuric acid made in this country In recent years, however, considerable sulphuric acid has been made from the waste fumes of the smelters, especially those roasting copper and zinc sulphide or Very little sulphur was used in the manufacture of sulphuric ac The pyrites required was chiefly imported ore...

A method of extracting precious metals from the pyrite ogarkov

The invention relates to hydrometallurgy rare and non-ferrous metals and can be used to extract gold and silver from Ogarkov, obtained by roasting iron pyrites (pyrite), which is a waste sulfuric acid production is E there is an effective technology, allows you to extract precious metals from the pyrite slag, a waste sulfuric acid production...

Method for integrated processing of pyrite ogarkov

Essence: pyrite cinder from roasting iron pyrites leached by sulphuric acid solutions, produce blister copper by cementation after adding iron scrap, dispense alkaline reagent to achieve pH 5, 0, flag aluminum hydroxide, after which the solution is directed to the selection of iron - and zinc-containing products table 1...

WO2010125205A1 - Method for producing ferrous sulphate ,

The subject matter of the present invention relates to the production of a solution of ferrous sulphate, in aqueous acid medium the raw material being the ash obtained in the production of sulphuric acid by means of roasting of pyrit The iron sulphate solution is reduced to convert all the ions to the ferrous form, using scrap iron...

Desmet Ballestra - Sulphuric Acid Production Plants

The processes that Desmet Ballestra makes available can produce sulphuric acid from several sources: Elemental sulphur, based on dry air combustion (conventional process) Exhaust SO 2 gas, coming from roasting/smelting of pyrites, copper, zinc, lead, nickel ores and similar; Spent acid or sludge obtained from alkylation processes...

Thallium isotopic fractionation in industrial process of ,

Feb 15, 2020· The sulfuric acid production factory using Tl-enriched PO is located in the Yunfu city, western Guangdong Province, China The factory has been generating sulfuric acid with an annual average production of 80,000 t, which generates approximately 55,000 t of smelting wastes annually...

CPM LCA Database - Production of sulphuric acid by ,

Thereafter, the production route is less dependent on the original sulphur source, even though there are several processes for the conversion and the absorption stage (BAT N° 3, 1995) Approximately 033 t brimstone, 076 t pyrite (48 % S) or 12t zinc ore is typical raw material input for the production of 1t sulphuric acid () (UNEP, 1996)...