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Qaagi - Book of Why

Causes

Effects

the steel of the ships tank structure(passive) is caused byThe corrosion in the ballast tanks

Most of ships , in general , adopt the painting protectionto preventcorrosion in the seawater ballast tank

specifically the magnesium anode rodpreventscorrosion in the tanks

that is specially blendedto preventcorrosion in vessel ballast tanks

Protective coatings and usually cathodic protection is usedto preventcorrosion in the topside tanks

that the skilled person would be well aware of the use of nitrogento preventcorrosion of ballast tanks

residual concentrations of bromine and chlorine oxidants(passive) caused bycorrosion in ballast tanks

although NaOC1 may be effective under water - only conditionsmay causecorrosion problems for ballast tanks

UV treated water ... less likelyto causecorrosion of the ballast tanks

the residual ozonecausescorrosion of the ballast tanks

by far the single most important cause of spills(passive) is caused byby far the single most important cause of spills

the damage and this would not have been detected by inspectorshad causedthe damage and this would not have been detected by inspectors

this spill one of the top five tanker spills of all timecausedthis spill one of the top five tanker spills of all time

iron contamination of the fracturing fluid , which results in premature viscosity reduction of itcan causeiron contamination of the fracturing fluid , which results in premature viscosity reduction of it

to spot holing , as well as weakened strength , buckling and the likecan leadto spot holing , as well as weakened strength , buckling and the like

Problem(passive) is caused byProblem

for 5 - 10 years operationNormally designedfor 5 - 10 years operation

to be filled with waterare designedto be filled with water

listthus preventinglist

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