Operating parameters
| 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 |
Sea water Fresh water Treated fresh water Demi water Chemicals/Products |
Cleaning Agent
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
| Step | Method | Time | Temperature | Medium | Cleaner | Step Remark |
| 1 | Butterworth | 0,5 | ambient | Sea Water | Ambient temp due to flamability of cargo | |
| 2 | Recirculation | 1,5 | moderate | Fresh water | 0.5% cleanerXYZ | |
| 3 | Rinse | 0,2 | ambient | Fresh water |