By Navin G. Ashar, Kiran R. Golwalkar
This serious quantity presents functional insights on sulfuric acid and comparable plant layout and on suggestions to enhance and increase considerably the potency of an latest plant via small variations. The booklet presents readers with a greater realizing of the state-of-art in sulfuric acid manufacture in addition to, importantly, within the manufacture of value-added items in accordance with sulfur which are additionally linked to the manufacture of sulfuric acid. total, engineers and plant managers can be brought to applied sciences for making their sulfuric acid organizations extra efficient, remunerative, and environmentally pleasant. A useful consultant to the Manufacture of Sulfuric Acid, Oleums, and Sulfonating Agents covers sulfuric acid and by-product chemical plant info from the nuts-and-bolts point to a holistic point of view according to real box event. The publication is necessary to somebody focused on imposing a sulfuric acid or similar chemical plant.
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Extra resources for A Practical Guide to the Manufacture of Sulfuric Acid, Oleums, and Sulfonating Agents
Hence the recovered HCl or by-product HCl from caustic cells offer a good opportunity to produce value-added chemicals such as CSA. As regards present consumers, the market is based on export oriented products such as vinyl sulfones (VS), acetyle sulfonyl chloride (ASC), para toluene sulfonyl amide (PTSA), etc. Growth in Demand of CSA in India As regards the CSA demand in India, a continuous rise in demand of approximately 5,000 TPY is observed. This is likely to continue in view of liberalization of the Indian economy and export demand for value-added products manufactured using CSA.
Environmental consideration led to large effluent treatment plants (ETPs) with consumption of lime in large quantities. As a result, heaps of waste gypsum were formed and posed solid waste disposal problem. Due to environmental and economic considerations, the use of pure sulfur trioxide in gaseous or liquid form was investigated. The main consideration was to tame the exothermic reaction and avoid unwanted co-products. In 1960 in India, the production of liquid sulfur trioxide was less than 100 tonnes per annum (TPA).
The product from the continuous plant manufacturing 65% oleum is sent to storage for dispatch to the consumers in tankers of capacity 10–20 tonnes. Fig. 1 Freezing point of H2SO4, oleum, and SO3 38 4 Sulfonating Agents and Derivatives Based on Sulfuric Acid The 65% oleum is transported in SS-316L tankers instead of MS when the iron content in the product is to be kept low. 3 Uses The demand for 65% oleum is primarily for the manufacture of special dyes and intermediates such as H-acid. As a rule of thumb, 1 tonne of H-acid requires 3 tonnes of 65% oleum.
A Practical Guide to the Manufacture of Sulfuric Acid, Oleums, and Sulfonating Agents by Navin G. Ashar, Kiran R. Golwalkar