Safety procedures to be followed in chemical cleaning of equipment are outlined. Topics discussed include inhibition of cleaning acid by test before new jobs, control of temperature and concentration during cleaning operation, providing of adequate facilities for flushing following the acid stage, use of fresh acid to replace “poisoned” acid, elimination of conditions promoting galvanic corrosion, and removal of poisonous gases. The need for closer coordination between the cleaning contractor and the customer is brought out in this report. 5.9.2

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Copyright 1959 by the National Association of Corrosion Engineers.
1959
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