The ordinary cleaning method with a synthetic soap takes a long time and is insufficient in removing the described contaminants. A week acid solution in combination with synthetic soap gives a much better cleaning result.

BUFFER CLEAN is used as a final cleaning procedure when the cargo tanks have to be completely free of lead, chlorides, sulphides or MTBE prior to loading of special high purity cargoes.

Direct Injection Method for Tank cleaning through SOLVENT TANKCLEAN EMULSIFY HEAVY DUTY TANK CLEANER :
Dose value of SOLVENT TANKCLEAN EMULSIFY HEAVY DUTY TANK CLEANER can varies depends up on contamination and deposition of oil on the surface area. For tank cleaning " direct Injection Method " also one of the popular method. In this method, neat SOLVENT TANKCLEAN EMULSIFY HEAVY DUTY TANK CLEANER can be injected  directly from the drum through air-operated drum (barrel) pump. During this method this barrel pump can be connected to the pressure side of the automatic tank cleaning system line. Barrel Pump can be fixed at a predetermined rate as an injection rate of 0.1 0.2 liter SOLVENT TANKCLEAN EMULSIFY HEAVY DUTY TANK CLEANER per 100 litres of tank wash water is sufficient. Cleaning time 2-6 hours. Finally wash and rinse the tank with water. 

Recirculation Method for ship tank cleaning - 
1) First of all  heat the remaining oil in tanks .
2) By stripping constantly. flush the tank with sea water, 
3) Close  all suction and discharge valves .
4) Then make solution SOLVENT TANKCLEAN EMULSIFY HEAVY DUTY TANK CLEANER with water with percentage ratio of 2-6% SOLVENT TANKCLEAN EMULSIFY HEAVY DUTY TANK CLEANER( 2 Ltr to 6 Ltrs in 100 Ltr Water ) concentration value can be increase as per cleaning demand and contamination and condition of tank. Circulate cleaning solution via the automatic tank washing system pump and heater to the tank to be cleaned, wherefrom the solution is returned to the chemical solution tank via the stripping line. The same solution can be repeated for 2 - 3 tanks, then new cleaning solution required if same solution repeated for more then 2-3 tanks. Finally after recirculation the tanks should be rinsed thoroughly with sea water or fresh water depending on availability and requirements.

Rock and Roll Method at sea cleaning for double bottom tank:

Use Handgloves, Goggles and safety mask before using in Tank. Keep container tightly closed and away from direct heat, fire and sunlight.

Wear safety Gloves and Eye protective Goggle.

Characteristics: -

• Removes grease, oil, carbon deposits, soil and grime.
• Keeps loosened deposits in suspension preventing re-deposition.
• Low toxic.  , Non-flammable.
• Free from hydrocarbon solvents.
• Effective and economical in use , Water-based cleaner.
• RXSOL-20-2007-025 has numerous cleaning applications including removal of greases, waxes, oil, sludge, soot, carbon deposits and general dirt and grime.
• Non-corrosive to ferrous metals.  Suitable for all tank-coatings.
• Can be used for gas and hydrocarbon freeing of tanks.
• Can be used for deodorizing
• Contains wetting agents.

Note:- Completely miscible with sea water.