A buried stainless steel nuclear waste storage tank

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Reference no: EM13344410

A buried stainless steel nuclear waste storage tank contains significant amounts of dissolved radioactive Cr3+, Al3+, Fe3+ and Ni2+ at pH 2. It is proposed to neutralize this acid tank solution to pH 7 in the tank with concentrated NaOH. The neutralised solution will then be pumped out of the tank for transport to other facilities for further processing. Explain the advantages and disadvantages of the neutralization step using appropriate Pourbaix diagrams. On the basis of your evaluation, would you recommend neutralization?

Reference no: EM13344410

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