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Title: Subsoil contaminant Cr fate and transport: The complex reality of the Hanford subsurface

Abstract

Chromium-contaminated subsurface sites are common throughout the globe. In this chapter the discussion will be focused on one Cr-contaminated, i.e., Hanford site, WA, USA. The chapter summarizes the work conducted at this site to study contaminant Cr6+ fate and behavior under conditions imposed by different waste chemistries ranging from acidic to hyperalkaline. The objectives of this chapter are to present an overview of different aspects of Cr interaction with minerals; present evidence of similar and contrasting Cr6+ reactions, processes and attenuation mechanisms operating in subsurface environments under different conditions imposed by acidic, neutral and alkaline waste liquids; provide inputs to conceptual Cr geochemical models (either site specific or general and suitable for many contaminated sites); present ideas on potential remedial measures. The insights presented and discussed in this chapter should be useful for other Cr contaminated sites across the world.

Authors:
;
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1342340
Report Number(s):
PNNL-SA-114768
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Book
Resource Relation:
Related Information: Trace Elements in Waterlogged Soils and Sediments. Advances in Trace Elements in the Environment, 163-183
Country of Publication:
United States
Language:
English
Subject:
Subsoil contaminant Cr fate and transport:complex reality; Hanford subsurface

Citation Formats

Qafoku, Nikolla, and Sahajpal, Rahul. Subsoil contaminant Cr fate and transport: The complex reality of the Hanford subsurface. United States: N. p., 2016. Web.
Qafoku, Nikolla, & Sahajpal, Rahul. Subsoil contaminant Cr fate and transport: The complex reality of the Hanford subsurface. United States.
Qafoku, Nikolla, and Sahajpal, Rahul. 2016. "Subsoil contaminant Cr fate and transport: The complex reality of the Hanford subsurface". United States.
@article{osti_1342340,
title = {Subsoil contaminant Cr fate and transport: The complex reality of the Hanford subsurface},
author = {Qafoku, Nikolla and Sahajpal, Rahul},
abstractNote = {Chromium-contaminated subsurface sites are common throughout the globe. In this chapter the discussion will be focused on one Cr-contaminated, i.e., Hanford site, WA, USA. The chapter summarizes the work conducted at this site to study contaminant Cr6+ fate and behavior under conditions imposed by different waste chemistries ranging from acidic to hyperalkaline. The objectives of this chapter are to present an overview of different aspects of Cr interaction with minerals; present evidence of similar and contrasting Cr6+ reactions, processes and attenuation mechanisms operating in subsurface environments under different conditions imposed by acidic, neutral and alkaline waste liquids; provide inputs to conceptual Cr geochemical models (either site specific or general and suitable for many contaminated sites); present ideas on potential remedial measures. The insights presented and discussed in this chapter should be useful for other Cr contaminated sites across the world.},
doi = {},
url = {https://www.osti.gov/biblio/1342340}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Mar 09 00:00:00 EST 2016},
month = {Wed Mar 09 00:00:00 EST 2016}
}

Book:
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