New PDF release: A Practical Guide to the Manufacture of Sulfuric Acid,

By Navin G. Ashar, Kiran R. Golwalkar

ISBN-10: 3319020412

ISBN-13: 9783319020419

ISBN-10: 3319020420

ISBN-13: 9783319020426

This severe quantity offers sensible insights on sulfuric acid and comparable plant layout and on concepts to enhance and improve considerably the potency of an present plant by way of small changes. The e-book presents readers with a greater knowing 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 might be brought to applied sciences for making their sulfuric acid corporations extra efficient, remunerative, and environmentally pleasant. A useful advisor to the Manufacture of Sulfuric Acid, Oleums, and Sulfonating Agents covers sulfuric acid and by-product chemical plant information from the nuts-and-bolts point to a holistic point of view in keeping with real box event. The booklet is quintessential to a person taken with enforcing a sulfuric acid or similar chemical plant.

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Additional info for A Practical Guide to the Manufacture of Sulfuric Acid, Oleums, and Sulfonating Agents

Example text

Strength of the recirculation stream is monitored and the addition of oleum is stopped at the right time. Continuous method: Liquid SO3 is slowly added to the boot of the separate oleum tower wherein 65% oleum is being circulated. The strength and temperature increase as a result. A controlled stream of 25–30% oleum is added to maintain the strength at 65%. An inline cooler is provided to control the temperature at 40–43 °C at the inlet of the tower. A product outlet valve is opened to take out the 65% oleum from the tower and transfer it to the storage tanks.

The entire reaction takes place at low temperature and at a controlled rate. The cooling of chloro-oleum is by liquid SO3. The unreacted HCl gas is scrubbed and recycled to the system, eliminating any liquid effluent. The twin section system for scrubbing the SO3 gas produces no gaseous effluent. Due to the excess of HCl in the polishing tower, the product is free from any sulfate impurity. Since the solubility of HCl in CSA is very low, the product is of high grade. The advantage of this process is that it is carried out at atmospheric pressure and all the equipment is in Mild Steel (MS) construction and corrosion is minimum due to lower temperatures.

Ltd. situated at Ambernath for over 25 years since 1961. Being a hazardous chemical, CSA was not imported and hence the demand pattern in Indian can be linked with production by DMCC in the 1980s. However, CSA being a corrosive chemical, production for only 310 days per annum can be expected, despite best maintenance, and hence the gap between the actual production and the capacity will always prevail. Consumption Pattern – Present Market Assessment There has been an upsurge of demand for CSA during the last 5 years in India.

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A Practical Guide to the Manufacture of Sulfuric Acid, Oleums, and Sulfonating Agents by Navin G. Ashar, Kiran R. Golwalkar


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