Example of a Standard Operating Practice

Sulphuric acid plant starting the plant after a short stoppage. 

Follow the following starting sequence for resuming operations  

Start steam supply in sulphur feed lines, sulphur pump, and spray gun. 

Adjust dampers in airlines and start air blower on low load—check whether gases are observed through bypass line on sulphur pump discharge to confirm the sulphur feed line is clear. 

Start sulphur pump on low load— watch spray of burning sulphur in the furnace through the view port. 

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