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 Voyage Tank Clean, RXSOL Emulsifier Solvent Degreaser with water with percentage ratio of 2-6% Voyage Tank Clean, RXSOL Emulsifier Solvent Degreaser ( 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.