INTRODUCTION Sulphuric Acid is an important chemical‚ which has large-scale industrial uses. Its major user is the phosphate fertilizer industry. Other important applications are in petroleum refining‚ steel pickling‚ rayon & staple fiber‚alum‚ explosives‚ detergents‚ plastics and fibers etc. Sulphuric Acid Industry is very old and has been continuously adopting the technological developments. It started with Lead Chamber process followed by contact rocess with Single Conversion Single Absorption
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Anissa Davis 32130161 The Industrial Process of Sulphuric Acid6 The contact process: At the heart of this process is a reversible reaction in which sulphur dioxide is converted to sulphur trioxide‚ but first you have to produce sulphur dioxide. Stage 1: Making sulphur dioxide Either burn sulphur in air: S (s) + O₂ →SO₂(g) Or heat sulphide ores strongly in air: 4F eS₂(s) + 11O2(g)→2F e₂O₃(s) + 8SO₂(g) Stage 2: Making sulphur trioxide Now the sulphur dioxide is converted into sulphur trioxide using an excess of air
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GIVEN: TO DESIGN A 1000TPD CAPACITY H2SO4 ACID PLANT BASIS: 1 HOUR OF OPERATION. PURITY: PRODUCT WHICH IS TO BE MANUFACTURED IS ASSUMED TO HAVE STRENGTH OF 98% ACID. 1000TPD implies that we have Acid 1000 x 10 / 24 = 41666.67 Kg/Hr of 3 With 98% purity‚ the acid that is produced per hour = (98 x 41666.67) / 100 = 40833.34 Kg/Hr Kmoles of Sulfuric acid to be produced = 40833.34 / 98 = 416.667 Kmoles/Hr It’s assumed that overall absorption of the acid is 100 % = 416.667 / 1.0 Then‚ SO3 required
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9.1 Sulphuric Acid Sulphuric Acid is Manufactured in Industry 1. Sulphuric acid‚ H2SO4 is manufactured in industry through Contact Process. 2. The raw materials used are sulphur‚ air and water 3. The Contact process consists of three stages. Stage 1: The production of sulphur dioxide This can be obtained by two methods: 1. Burning of sulphur in dry air in the furnace S + O SO2 2. Burning of metal sulphide such as zinc sulphide or iron(III) sulphide in dry air. 2ZnS
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9.1 Manufacture of Sulphuric Acid 1. State uses of sulphuric acid in daily life. - lead acid batteries in automobiles and for home use - extraction of elements from ores - manufacturing of fertilizers 2.The following shows an incomplete flow chart of the Contact process. a) b)Chemical equation A. B. C. D. 3. Briefly explain the sources of sulphuric dioxide gas in atmosphere. -Sulphur dioxide is produced mainly from the combustion of fossil fuels
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MANUFACTURE OF SULPHURIC ACID IN INDUSTRY 1. Contact process produces more than 90% of the world’s sulphuric acid. 2. The raw materials used for the manufacture of sulphuric aced are sulphur‚ air and water. 3. The Contact process consists of three stages. a) Production of suphur dioxide b) Conversion of sulphur dioxide to sulphur trioxide. c) Production fo sulphuric acid 4. Stage I: Production of sulphur dioxide a) Sulphur is burnt in air to produce sulphur dioxide. S(s) + O2 (g)→SO (g) b) Burning
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would produce (L. L. Van Slyke‚ 1906). The chemistry behind the Babcock test is that by using the sulphuric acid it will burn all liquid except for the fat. The sample is then added with deionised water then placed in the centrifuge determining the layer of fat (University Kentucky‚ College of Agriculture‚ 2013). Sulphuric acid is important in this method as when it is added this increases the process of the fat layer appearing
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Experiment 1 :Alkanes&Alkenes:Combustion and action of sulphuric acid. Introduction In the study of organic chemistry‚ the organic compounds which are made up of carbon and hydrogen are called hydrocarbons. They can be gases as‚ propane‚ they can be liquids‚ for example‚ benzene‚ or they can be low-melting solids and waxes‚ for example‚ polystyrene. There are four classifications of hydrocarbons; saturated hydrocarbons or alkanes‚ unsaturated hydrocarbons or alkenes and alkynes‚ cycloalkanes‚ and
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concentrain of sulphuric acid Aim The point of this investigation is to find out the concentration of the sulphuric acid in my experiment. I will do this by titrating the sulphuric acid with sodium carbonate. H2SO4 + Na2CO3 à Na2SO4 + H2O + CO2 Acid + Alkali à Salt + Water + Carbon dioxide Ratio of sulphuric acid to sodium carbonate: H2SO4 : Na2CO3 1 : 1 Concentration of sulphuric acid: H2SO4 is approximately 0.05 - 0.15 moldm-3 The average concentration of the sulphuric acid is: 0.05 + 0
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parle-g INTRODUCTION A long time ago‚ when the British ruled India‚ a small factory was set up by Mohanlal Dayal Chauhan in the suburbs of Mumbai city‚ to manufacture sweets and toffees. The year was 1929 and the market was dominated by famous international brands that were imported freely. Despite the odds and unequal competition‚ this company called Parle Products‚ survived and succeeded‚ by adhering to high quality and improvising from time to time. A decade later‚ in 1939‚ Parle Products began
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