IN SITU CHEMICAL OXIDATION FOR REMEDIATION OF CONTAMINATED SOIL AND GROUND WATER

2000 ◽  
Vol 2000 (10) ◽  
pp. 203-224 ◽  
Author(s):  
Robert L. Siegrist ◽  
Michael A. Urynowicz ◽  
Olivia R. West ◽  
Michelle L. Crimi ◽  
Amanda M. Struse ◽  
...  
Keyword(s):  
Ground Water ◽  
Contaminated Soil ◽  
Chemical Oxidation

Impacts of Changing Operational Parameters of In Situ Chemical Oxidation (ISCO) on Removal of Aged PAHs from Soil

2012 ◽  
Vol 15 (2) ◽  
Author(s):  
Paula Cajal-Mariñosa ◽  
Ruth G. de la Calle ◽  
F. Javier Rivas ◽  
Tuula Tuhkanen
Keyword(s):  
Hydrogen Peroxide ◽  
Removal Efficiency ◽  
Contaminated Soil ◽  
Chemical Oxidation ◽  
Contaminant Removal ◽  
Operational Parameters ◽  
In Situ Chemical Oxidation ◽  
Different Types ◽  
Wood Impregnation

AbstractThe removal efficiency of two different types of peroxide addition, catalyzed hydrogen peroxide (CHP) and sodium percarbonate (SPC) were compared on a highly PAH-contaminated soil from a wood impregnation site. In an attempt to simulate real in situ reagents delivery, experiments have been carried out in acrylic columns. The main parameters affecting contaminant removal were the reagent’s temperature and the total addition of peroxide (g

scholarly journals Oxidant selection to treat an aged PAH contaminated soil by in situ chemical oxidation

2013 ◽  
Vol 1 (4) ◽  
pp. 1261-1268 ◽  
Author(s):  
Julien Lemaire ◽  
Michel Buès ◽  
Tanina Kabeche ◽  
Khalil Hanna ◽  
Marie-Odile Simonnot
Keyword(s):  
Contaminated Soil ◽  
Chemical Oxidation ◽  
In Situ Chemical Oxidation

In Situ Chemical Oxidation of Contaminated Soil and Groundwater Using Persulfate: A Review

2010 ◽  
Vol 40 (1) ◽  
pp. 55-91 ◽  
Author(s):  
AIKATERINI TSITONAKI ◽  
BENJAMIN PETRI ◽  
MICHELLE CRIMI ◽  
HANS MOSBÆK ◽  
ROBERT L. SIEGRIST ◽  
...  
Keyword(s):  
Contaminated Soil ◽  
Chemical Oxidation ◽  
In Situ Chemical Oxidation

IN SITU BIOREMEDIATION OF PETROLEUM HYDROCARBON CONTAMINATED SOIL AND GROUND WATER

1995 ◽  
Vol 1995 (1) ◽  
pp. 910-911
Author(s):  
Douglas E. Jerger ◽  
Patrick M. Woodhull
Keyword(s):  
Water Treatment ◽  
Ground Water ◽  
Contaminated Soil ◽  
Petroleum Hydrocarbon ◽  
Treatment System ◽  
Hydraulic Control ◽  
In Situ Bioremediation ◽  
Sand And Gravel ◽  
Hydrocarbon Distribution

ABSTRACT OHM designed and installed an in situ bioremediation system with an above ground water treatment system at a petroleum hydrocarbon distribution and fuel facility. The remediation system consists of an infiltration trench system to deliver treated, amended ground water to the upper silty lens, and an injection well system to deliver water to the lower sand and gravel lens. A French drain is located downgradient of the groundwater injection systems to provide hydraulic control of the site. Recovered ground water is pumped to an on-site treatment system prior to re-injection.

scholarly journals A Review on Biodegradation and Biotransformation of Explosive Chemicals

2018 ◽  
Vol 3 (11) ◽  
pp. 58-65 ◽  
Author(s):  
Thankgod Ositadinma Ndibe ◽  
Benthai Benjamin ◽  
Winnie Chuno Eugene ◽  
Johnson John Usman
Keyword(s):  
Natural Resources ◽  
Ground Water ◽  
Contaminated Soil ◽  
Natural Environment ◽  
Biological Treatment ◽  
Military Training ◽  
Training Activities ◽  
Living Organisms ◽  
Explosive Chemicals

Military training activities as well as manufacturing and decommissioning operations, lead to the generation of large quantities of explosive chemicals. Detonation and disposal of these explosive chemicals contaminate soil and ground water, thus posing a threat to living organisms and natural resources. The most commonly used explosives in artillery shells, bombs, grenades and other munitions are 2,4,6-Trinitrotoluene (TNT), Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) and Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX). Due to their recalcitrant nature, toxicity and persistence in the environment, the study of their biodegradation and biotransformation is paramount. This paper reviews the chemistry, fate, degradation and transformation of this explosive chemicals in the natural environment. Emphasis is placed on TNT, RDX and HMX. This review will help scientists to adopt strategies and develop optimum biological treatment scheme for the in situ bioremediation of explosives-contaminated soil especially at firing/impact ranges.

scholarly journals Remediating Potentially Toxic Metal and Organic Co-Contamination of Soil by Combining In Situ Solidification/Stabilization and Chemical Oxidation: Efficacy, Mechanism, and Evaluation

2018 ◽  
Vol 15 (11) ◽  
pp. 2595 ◽  
Author(s):  
Yan Ma ◽  
Zhenhai Liu ◽  
Yanqiu Xu ◽  
Shengkun Zhou ◽  
Yi Wu ◽  
...  
Keyword(s):  
Organic Pollutants ◽  
Toxic Metals ◽  
Contaminated Soil ◽  
Combined Treatment ◽  
Chemical Oxidation ◽  
Pollutant Removal ◽  
Potentially Toxic Metals ◽  
In Situ Chemical Oxidation ◽  
Activated Persulfate

Most soil remediation studies investigated single contaminants or multiple contaminants of the same type. However, in field conditions, soils are often contaminated with potentially both toxic metals and organic pollutants, posing a serious technical challenge. Here, batch experiments were conducted to evaluate the performance of combining in situ solidification/stabilization (ISS) and in situ chemical oxidation (ISCO) for the simultaneous removal of aniline (1000 mg/kg) and Cd (10 mg/kg). All four tested ISS amendments, especially quick lime and Portland cement, promoted in situ chemical oxidation with activated persulfate in contaminated soil. Combined ISS/ISCO remediation effectively removed aniline and reduced the bioavailable Cd content at optimal initial persulfate and ISS amendment concentrations of 1.08 mol/kg and 30 wt% with a seven-day curing time, and significantly reduced leaching. Persulfate inhibited the reduction of the bioavailable Cd content, and ISS amendment with persulfate did not synergistically remediate Cd in co-contaminated soil. Strong alkalinity and high temperature were the main mechanisms driving rapid pollutant removal and immobilization. The reaction of CaO with water released heat, and Ca(OH)2 formation increased the pH. The relative contributions of heat vs. alkaline activation, as well as the contaminant removal efficiency, increased with ISS amendment CaO content. Combined treatment altered the soil physicochemical properties, and significantly increased Ca and S contents. Activated persulfate-related reactions did not negatively impact unconfined compressive strength and hydraulic conductivity. This work improves the selection of persulfate activation methods for the treatment of soils co-contaminated with both potentially toxic metals and organic pollutants.

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