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The principal behind cleaning of CARGO hold...
 

The 1st segment to clean and neutralize coal residue :

Coal contain sulphur and many more others materials which is resulting corrosive effect on metal and painted surface. In chemical terms its proper cleaning means not only removal of its deposit to make surface clear and bright, But chemically neutralization effect also required. Coal remover having chemical neutralization and  cleaning formula, This product can be mixed with Alkaleen safety liquid in open drums / Tanks as follows :::

Oxygen Scavenger plus is specifically formulated with a catalysed liquid solution of hydrazine and DEHA. The Oxygen Scavenger is used for removing oxygen from boiler feed water straight away. Oxygen scavenger converts itself to sodium bisulfate and remove oxygen instantly from boiler feed water. It is also responsible for buffering pH and reducing alkalinity of the feed water. Having precise pH value, this chemical save power energy, minimize oxidation corrosion, removes oxygen and precise pH value.

An alum is a hydrated double sulfate salt of aluminium. Alum is used in industrial and waste water treatment. Alum is used as a flocculating agent in the purification of drinking water and waste water treatment plants, and also in paper manufacturing plant. Alum removes unwanted colour and turbidity from water supplies.  Alum when added to raw water reacts with the bicarbonate alkalinities present in water and forms a gelatinous precipitate. This floc attracts other fine particles and suspended material in raw water and settles down at the bottom of the container.