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51312-01189-SCC Mitigation By Electrocatalysis

Product Number: 51312-01189-SG
ISBN: 01189 2012 CP
Author: Peter L. Andresen
Publication Date: 2012
$0.00
$20.00
$20.00
SCC is strongly influenced by water chemistry parameters especially when crack chemistry can be concentrated from differential aeration or thermal gradients or boiling. Mitigation of the effects of the high corrosion potential associated with oxidants is markedly and efficiently accomplished by electrocatalysis which requires that there be a stoichiometric excess of reductants over oxidants. Mechanisms and criteria for effective SCC mitigation are summarized with particular focus on the critical location for the catalyst in a crack and experimental support for these concepts. Optimization of electrocatalysis by OnLine NobleChemÔ is described for example where Pt is injected at levels of 0.002 to 0.05 ppb in the reactor water.
SCC is strongly influenced by water chemistry parameters especially when crack chemistry can be concentrated from differential aeration or thermal gradients or boiling. Mitigation of the effects of the high corrosion potential associated with oxidants is markedly and efficiently accomplished by electrocatalysis which requires that there be a stoichiometric excess of reductants over oxidants. Mechanisms and criteria for effective SCC mitigation are summarized with particular focus on the critical location for the catalyst in a crack and experimental support for these concepts. Optimization of electrocatalysis by OnLine NobleChemÔ is described for example where Pt is injected at levels of 0.002 to 0.05 ppb in the reactor water.
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