scholarly journals Treatability Study of In Situ Technologies for Remediation of Hexavalent Chromium in Groundwater at the Puchack Well Field Superfund Site, New Jersey

2006 ◽  
Author(s):  
Vince R. Vermeul ◽  
Jim E. Szecsody ◽  
Michael J. Truex ◽  
Carolyn A. Burns ◽  
Donald C. Girvin ◽  
...  
Keyword(s):  
New Jersey ◽  
Hexavalent Chromium ◽  
Superfund Site ◽  
Well Field

scholarly journals In situ oxalic acid injection to accelerate arsenic remediation at a superfund site in New Jersey

2014 ◽  
Vol 11 (5) ◽  
pp. 525 ◽  
Author(s):  
Karen Wovkulich ◽  
Martin Stute ◽  
Brian J. Mailloux ◽  
Alison R. Keimowitz ◽  
James Ross ◽  
...  
Keyword(s):  
New Jersey ◽  
Oxalic Acid ◽  
Solid Phase ◽  
Sediment Cores ◽  
Pilot Scale ◽  
Contaminated Site ◽  
Superfund Site ◽  
Superfund Sites ◽  
Pump And Treat

Environmental context Arsenic is one of the most common contaminants at US Superfund sites; therefore, establishing techniques to accelerate As remediation could benefit many sites. In a pilot scale study, we determined that addition of oxalic acid to the subsurface has the potential to increase arsenic release from sediments and possibly improve remediation efficiency by pump and treat techniques. Because pump and treat remediation can require many decades to sufficiently decrease contaminant levels, methods for improving remediation could lead to substantial savings in time and resources. Abstract Arsenic is a prevalent contaminant at a large number of US Superfund sites; establishing techniques that accelerate As remediation could benefit many sites. Hundreds of tonnes of As were released into the environment by the Vineland Chemical Co. in southern New Jersey during its manufacturing lifetime (1949–1994), resulting in extensive contamination of surface and subsurface soils and sediments, groundwater, and the downstream watershed. Despite substantial intervention at this Superfund site, sufficient aquifer clean up could require many decades if based on traditional pump and treat technologies only. Laboratory column experiments have suggested that oxalic acid addition to contaminated aquifer solids could promote significant As release from the solid phase. To evaluate the potential of chemical additions to increase As release in situ and boost treatment efficiency, a forced gradient pilot scale study was conducted on the Vineland site. During spring and summer 2009, oxalic acid and bromide tracer were injected into a small portion (~50m2) of the site for 3 months. Groundwater samples indicate that introduction of oxalic acid led to increased As release. Between 2.9 and 3.6kg of As were removed from the sampled wells as a result of the oxalic acid treatment during the 3-month injection. A comparison of As concentrations on sediment cores collected before and after treatment and analysed using X-ray fluorescence spectroscopy suggested reduction in As concentrations of ~36% (median difference) to 48% (mean difference). Although further study is necessary, the addition of oxalic acid shows potential for accelerating treatment of a highly contaminated site and decreasing the As remediation time-scale.

Gowanus Canal Superfund Site. III: Leaching of In Situ Stabilization/Solidification Mix Designs

2020 ◽  
Vol 24 (4) ◽  
pp. 04020045
Author(s):  
Dennis G. Grubb ◽  
Theresa M. Himmer ◽  
Jeff L. Gentry ◽  
Alexandra J. Salter-Blanc ◽  
Christos D. Tsiamis
Keyword(s):  
Superfund Site ◽  
In Situ Stabilization

Sulfidated nano-scale zerovalent iron is able to effectively reduce in situ hexavalent chromium in a contaminated aquifer

2021 ◽  
Vol 405 ◽  
pp. 124665
Author(s):  
Miroslav Brumovský ◽  
Jana Oborná ◽  
Petr Lacina ◽  
Michal Hegedüs ◽  
Ondra Sracek ◽  
...  
Keyword(s):  
Hexavalent Chromium ◽  
Zerovalent Iron ◽  
Contaminated Aquifer ◽  
Nano Scale

Trends in lobular carcinoma in situ management: endocrine therapy use in California and New Jersey

2019 ◽  
Vol 30 (2) ◽  
pp. 129-136
Author(s):  
Schelomo Marmor ◽  
Bonnie Jerome-D’Emilia ◽  
James W. Begun ◽  
Jane Yuet Ching Hui ◽  
Ariella M. Altman ◽  
...  
Keyword(s):  
New Jersey ◽  
Endocrine Therapy ◽  
Carcinoma In Situ ◽  
Lobular Carcinoma ◽  
Lobular Carcinoma In Situ ◽  
In Situ Management

scholarly journals Positive effects of concomitant heavy metals and their reduzates on hexavalent chromium removal in microbial fuel cells

RSC Advances ◽  
2020 ◽  
Vol 10 (26) ◽  
pp. 15107-15115 ◽  
Author(s):  
Xiayuan Wu ◽  
Chunrui Li ◽  
Zuopeng Lv ◽  
Xiaowei Zhou ◽  
Zixuan Chen ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Fuel Cells ◽  
Hexavalent Chromium ◽  
Microbial Fuel Cells ◽  
Chromium Removal ◽  
Positive Effects ◽  
Bioelectricity Generation ◽  
Co Reduction

The cooperative cathode modification by BioAu from Au(iii) and in situ Cu(ii) co-reduction enhanced Cr(vi) removal and bioelectricity generation in MFCs.

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