|Tank cleaning methods||Tank cleaning step time|
|Butterworth, Recirculation, Rinse, Vent||Length of the step in hours|
|Tank cleaning step temperature||Tank cleaning medium|
|Ambient : Cold up to max 30 deg C
Warm : 35 – 45 deg C
Moderate : 50 – 65 deg C
Hot : 75 – 80 deg C
Treated fresh water
Some cargoes require the use of a cleaning agent for efficient cleaning. Most cleaning agents are additives that are used in combination with water to improve the water solubility of the cargo to be cleaned. A variety of cleaning agents is available for most application problems.
Cleaning agents must be IMO approved.
Tank cleaning recipe
Recipes consist of several tank cleaning steps
|1||Butterworth||0,5||ambient||Sea Water||Ambient temp due to flamability of cargo|
|2||Recirculation||1,5||moderate||Fresh water||0.5% cleanerXYZ|