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PTT (Improving Test Results)

PTT (Improving Test Results)

Oxidized residues of previous cargoes can cause a failure of the PTT. To improve the results, wash with a Sodium Hypochlorite Solution (Bleach) in freshwater. Sodium Hypochlorite is normally supplied as a 12% solution. Make a 2% solution of this supplied 12% solution in water (freshwater preferred, otherwise seawater) and recirculation wash at a maximum temperature of 40 deg C. 2% of a supplied 12% solution is 200 liters in 10,000 liters of water. Also used to remove red/yellow dye…

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