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Equipment Required for Manufacture of 65 Oleum

SO3 vapors will be obtained preferably by heating 65% oleum instead of 25% oleum as it can contain some dissolved SO2 from the process plant. [Pg.69]

Double distilled DM water/steam condensate will be used as dilution water. The plant will be started with bought out battery grade acid for circulation [Pg.69]

The following equipment is also required in addition to the above  [Pg.69]

Oleum tower with in-built circulation tank (boot) for oleum, and internals. This tower may not be fully lined with AR bricks as higher strength oleum is not very corrosive to steel. However, it is advisable to provide the lining up to the hot gas entry point. [Pg.69]

Oleum circulation pumps (generally submerged and with mechanical shaft seals). [Pg.69]


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