Sulfuric Acid H2SO4 manufacturers, suppliers, exporters, producers, in India.

Vizag chemical is one of the leading Sulfuric Acid H2SO4 manufacturers, suppliers, exporters, producers, in Visakhapatnam India. We are supplied into various industrial markets including Household, Institutional Cleaning, Personal Care, and Industrial sectors including Oil fields, Agriculture, Lubricants, Marine Industry, Metal Working chemical industry, and Coatings markets.

Sulfuric acid (alternative spelling sulphuric acid), also known as vitriol, is a mineral acid composed of the elements sulfur, oxygen, and hydrogen, with molecular formula H2SO4. It is a colorless, odorless, and syrupy liquid that is soluble in water, in a reaction that is highly exothermic.

Its corrosiveness can be mainly ascribed to its strong acidic nature, and, if at a high concentration, its dehydrating and oxidizing properties. It is also hygroscopic, readily absorbing water vapor from the air. Upon contact, sulfuric acid can cause severe chemical burns and even secondary thermal burns; it is very dangerous even at moderate concentrations.

Sulfuric acid is a very important commodity chemical, and indeed, a nation's sulfuric acid production is a good indicator of its industrial strength. It is widely produced with different methods, such as the contact process, wet sulfuric acid process, lead chamber process, and some other methods.

The most common use of sulfuric acid (60% of total) is for fertilizer manufacture. It is also a central substance in the chemical industry. Principal uses include fertilizer manufacturing (and other mineral processing), oil refining, wastewater processing, and chemical synthesis. It has a wide range of end applications including in domestic acidic drain cleaners, as an electrolyte in lead-acid batteries and in various cleaning agents.

H2SO4 Uses (Sulfuric Acid)

• It is used in making fertilizers
• It is used in the production of steel and iron
• It is used in chemical manufacturing industries
• It is used in petroleum refining
• It is used to produce phosphoric acid
• It used as a cleaning agent in industries to remove the rust from steel and iron
• It is used as a catalyst to convert cyclohexanone oxime to caprolactam used to make nylon
• It is used in lead-acid batteries as an electrolyte
• It is used in making ammonium sulfate
• It is used in storage batteries

Uses

Sulfuric acid is a very important commodity chemical, and indeed, a nation's sulfuric acid production is a good indicator of its industrial strength. World production in 2004 was about 180 million tonnes, with the following geographic distribution: Asia 35%, North America (including Mexico) 24%, Africa 11%, Western Europe 10%, Eastern Europe and Russia 10%, Australia and Oceania 7%, South America 7%. Most of this amount (≈60%) is consumed for fertilizers, particularly superphosphates, ammonium phosphate, and ammonium sulfates. About 20% is used in the chemical industry for the production of detergents, synthetic resins, dyestuffs, pharmaceuticals, petroleum catalysts, insecticides, and antifreeze, as well as in various processes such as oil well acidizing, aluminium reduction, paper sizing, water treatment. About 6% of uses are related to pigments and include paints, enamels, printing inks, coated fabrics, and paper, and the rest is dispersed into a multitude of applications such as the production of explosives, cellophane, acetate and viscose textiles, lubricants, non-ferrous metals, and batteries.

Industrial production of chemicals

The major use for sulfuric acid is in the "wet method" for the production of phosphoric acid, used for the manufacture of phosphate fertilizers. In this method, phosphate rock is used, and more than 100 million tonnes are processed annually. This raw material is shown below as fluorapatite, though the exact composition may vary. This is treated with 93% sulfuric acid to produce calcium sulfate, hydrogen fluoride (HF), and phosphoric acid. 

Ammonium sulfate, an important nitrogen fertilizer, is most commonly produced as a byproduct from coking plants supplying the iron and steel making plants. Reacting the ammonia produced in the thermal decomposition of coal with waste sulfuric acid allows the ammonia to be crystallized out as a salt (often brown because of iron contamination) and sold into the agro-chemicals industry.

Another important use for sulfuric acid is for the manufacture of aluminium sulfate, also known as paper maker's alum. This can react with small amounts of soap on paper pulp fibers to give gelatinous aluminium carboxylates, which help to coagulate the pulp fibers into a hard paper surface. It is also used for making aluminium hydroxide, which is used at water treatment plants to filter out impurities, as well as to improve the taste of the water.

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