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Title: Stainless Steel Corrosion during H-Canyon Resin Digestion

Abstract

Historically HB-Line has transferred a slurry of used anion exchange resin to the H-Canyon Tank 5.2 where caustic digestion using permanganate was performed prior to transfer to the tank farm. Recent digestions had switched to an acid flowsheet. During recent testing to investigate the hydrogen generation rate (HGR) for the resin acid digestion process, the experimental apparatus fabricated from stainless steel and nickel-chromium alloys was found to have suffered significant localized corrosion which failed a heating rod. This observed corrosion raised concerns about the integrity of Tank 5.2, which is fabricated of 304L stainless steel. An exploratory study was undertaken to better understand the cause of this corrosion as well as during a caustic digestion and to use these data to assess the viability of Tank 5.2 using the current acid digestion flowsheet versus the previous caustic flowsheet.

Authors:
 [1];  [1]
  1. Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL)
Publication Date:
Research Org.:
Savannah River Site (SRS), Aiken, SC (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1482190
Report Number(s):
SRNL-STI-2018-00603
DOE Contract Number:  
AC09-08SR22470
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
Reillex HPQ; Resin Digestion; H-Canyon; Plutonium; Permanganate; Corrosion

Citation Formats

Kyser, E. A., and Mickalonis, J. I. Stainless Steel Corrosion during H-Canyon Resin Digestion. United States: N. p., 2018. Web. doi:10.2172/1482190.
Kyser, E. A., & Mickalonis, J. I. Stainless Steel Corrosion during H-Canyon Resin Digestion. United States. doi:10.2172/1482190.
Kyser, E. A., and Mickalonis, J. I. Mon . "Stainless Steel Corrosion during H-Canyon Resin Digestion". United States. doi:10.2172/1482190. https://www.osti.gov/servlets/purl/1482190.
@article{osti_1482190,
title = {Stainless Steel Corrosion during H-Canyon Resin Digestion},
author = {Kyser, E. A. and Mickalonis, J. I.},
abstractNote = {Historically HB-Line has transferred a slurry of used anion exchange resin to the H-Canyon Tank 5.2 where caustic digestion using permanganate was performed prior to transfer to the tank farm. Recent digestions had switched to an acid flowsheet. During recent testing to investigate the hydrogen generation rate (HGR) for the resin acid digestion process, the experimental apparatus fabricated from stainless steel and nickel-chromium alloys was found to have suffered significant localized corrosion which failed a heating rod. This observed corrosion raised concerns about the integrity of Tank 5.2, which is fabricated of 304L stainless steel. An exploratory study was undertaken to better understand the cause of this corrosion as well as during a caustic digestion and to use these data to assess the viability of Tank 5.2 using the current acid digestion flowsheet versus the previous caustic flowsheet.},
doi = {10.2172/1482190},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {11}
}

Technical Report:

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