General Cleaning & Maintennance Chemicals
Novachem Coal Tar Remover
Directions for use :
1. Pre-wash the tanks for 2 hours with seawater at a maximum temperature of 50°C.
2. Remove any sediment by hand.
3. Make a 10% solution in the tank & Heat it up to approx. 50°C, using the heating coils.
4. Start circulation (cargo pump, cargo line with jump to the Butterworth line to the Butterworth machines).
5. Circulation for 4 – 8 hours at the same temperature. Pump the solution into another tank.
6. Wash the tank with water and inject some Tankleaner or Degreasor into the Butterworth line if necessary.
7. If the tanks are coated with zinc silicate, there may be a discolouration after cleaning. If so, make a 10% solution of fresh water and NOVA BUFFER in the tank.
8. Heat this solution up to 50°C & Circulate for 1 – 2 hours.
9. Wash with fresh water and Drain the tank.
10. For chloride-free cleaning, steam the tank with live steam.
Cleaning Heat Exchangers :
1. Start with a shock treatment with steam, followed by flushing with cold water to break hard deposit layers. This will help the cleaning with NOVACHEM COAL TAR REMOVER afterwards.
2. Fill the system with NOVACHEM COAL TAR REMOVER and circulate by means of a pump at max. 50°C for approx. 8 hours. Drain and flush with water.
Cleaning Air Coolers :
When using NOVACHEM CARBON REMOVER, ensure adequate ventilation and keep away from extreme heat or open flame. Avoid breathing vapors. Do not let eyes, skin, or clothing come in direct contact with the liquid. If swallowed seek medical attention. Store in a cool, dry and well ventilated place.
Cleaning In Immersion Baths :
For cleaning components that are badly soiled with coal/tar or similar substances NOVACHEM COAL TAR REMOVER is used undiluted in immersion baths. During cleaning the bath must be closed and the surrounding area well ventilated. After cleaning the parts should be well flushed with water.