Kathar chemical cleaning combines tailor made cleaning agents with cleaning pigs, while the line stays in operation. The cleaning agents are based on surfactants, not on solvents or acids, and are batched between pigs, guaranteeing 100% wall coverage. Kathar cleaning operations can be applied for the removal contaminations varying from wax growth, black powder, loosely adhered scale, iron sulphides, and many others. Kathar cleaning is generally done previous to inspection, commissioning, or abandonment.

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