Development of a Design Tool for Planning Aqueous Amendment Injection Systems Permanganate Design Tool

Borden, Robert C.; Y, Ki; Simpkin, Thomas J.; Lieberman, M. T.

doi:10.21236/ada579182

Cited by 7 publications

(11 citation statements)

References 0 publications

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“…Although included, in part, in the SOD analyses, this calculation establishes the demand for oxidant by the known compounds present. Various spreadsheet tools are available to complete this calculation (Borden, Simpkin, & Lieberman, ; Carus Corporation, ). Models can run iteratively to evaluate the resultant demands due to changes in SOD, compound concentration(s), and treatment volume relative to oxidant requirements, and to incorporate variability in these terms when developing the preliminary design.…”

Section: Isco Lessons Learnedmentioning

confidence: 99%

“…There are a variety of design guides that can help in the specification of oxidant selection and injection network design, including: U.S. EPA (2017), Naval Facilities Engineering Command (NAVFAC, ), Baciocchi, D'Aprile, Innocenti, Massetti, and Verginelli (), Borden et al. (), In Situ Remediation Reagents Injection Working Group (), and the ITRC () in the United States as well as various supplier tools and other guides, bulletins, and technology notes. ISCO design guidance documents in the United Kingdom and Europe are less prevalent although there are limited resources available (CL:AIRE, 2018).…”

Section: Isco Lessons Learnedmentioning

confidence: 99%

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In situ chemical oxidation: Lessons learned at multiple sites

Pac

Baldock

Brodie

et al. 2019

Remediation Journal

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This paper compiles a detailed set of in situ chemical oxidation (ISCO) lessons learned pertaining to design, execution, and safety based on global experiences over the last 20 years. While the benefits of a "correct" application are known (e.g., cost effectiveness, speed, permanence of treatment), history also provides examples of a variety of "incorrect" applications. These provide an opportunity to highlight recurring themes that resulted in failures. ISCO is, and will continue to provide, an important remedial tool for site remediation, particularly as a component of a multifaceted approach for addressing large and complex sites. Future success, however, requires an objective understanding of both the benefits and the limitations of the technology. The ability to learn from the mistakes of the past provides an opportunity to eliminate, or at least minimize, them in the future. Over the last 25 years of ISCO application, process understanding and knowledge have improved and evolved. This paper combines a thorough discussion of lessons learned through decades of ISCO implementation throughout all aspects of ISCO projects with an analysis of changes to the ISCO remediation market. By discussing the interplay of these two themes and providing recommendations from collective lessons learned, we hope to improve the future of safe, cost-effective, and successful applications of ISCO.

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Section: Isco Lessons Learnedmentioning

confidence: 99%

Section: Isco Lessons Learnedmentioning

confidence: 99%

In situ chemical oxidation: Lessons learned at multiple sites

Pac

Baldock

Brodie

et al. 2019

Remediation Journal

View full text Add to dashboard Cite

show abstract

“…High rates of groundwater flow will require more frequent and higher concentration injections because the substrate may be quickly diluted. In the case of emulsified vegetable oil (EVO) products, the retention of the oil droplets is a critical parameter to sustain adequate substrate concentrations in the reaction zone (Borden et al, 2008). As the degree of aquifer heterogeneity increases, so may the need for closer injection well spacing or for "targeted" injections within lower permeability sediments.…”

Section: Difficult Hydrogeological Conditionsmentioning

confidence: 99%

“…Even so, some designs still focus on achieving a "target" concentration of substrate (DOC) in the treatment zone. More recently, design of EVO applications have focused on the oil retention properties of the aquifer matrix (Borden et al, 2008). EVO products may be modified by the vendor to enhance or reduce retention, e.g., by using ionic versus non-ionic emulsifiers.…”

Section: Design Of Substrate Loading Ratesmentioning

confidence: 99%

“…The primary limitation to uniform distribution of substrate is aquifer heterogeneity. To optimize substrate delivery, Borden et al (2008) have developed a design tool for aqueous amendment injection systems using EVO. Other tools are being developed that focus on evaluating and verifying the delivery and distribution of amendments using geophysical techniques (ER-200834 and ER-200717).…”

Section: Improved/alternative Delivery Techniquesmentioning

confidence: 99%

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Loading Rates and Impacts of Substrate Delivery for Enhanced Anaerobic Bioremediation

Henry¹

2010

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Remedial safety in in‐situ chemical oxidation, crucial to success

Pac

Cohen²,

Crimi

et al. 2022

Remediation Journal

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In-situ chemical oxidation (ISCO) has been developed as a remedial technique for several decades, implemented under a variety of Health, Safety & Environmental practices. A positive safety culture and implementation of best practices are important for the protection of all workers, as well as the general environment and the public, and for compliance with regulatory requirements and professional workplace expectations and ethical obligations. ISCO is arguably one of the highest-risk approaches for in situ remediation, and the consequence of poor safety practices, lack of training, and a failure to sharing previous knowledge can be substantial. Since 2000, the remediation industry has experienced step changes in the evolution of safety practices, shifting focus from a centralized autocratic planning process, toward a behavior-based safety-first individual empowerment, resulting in-"I am responsible for the safety of myself and the team." Supporting this step-change, this paper explains the need for safety-first work practices, provides examples of common inadequate or incomplete practices, discusses the top four adverse incidents in ISCO projects (impacts to storm sewers; impacts to other utilities; errors and omissions; and inadequate contingency planning), and provides a description of the top three skills to mitigate risks (planning, executing, and correcting).

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Development of a Design Tool for Planning Aqueous Amendment Injection Systems Permanganate Design Tool

Cited by 7 publications

References 0 publications

In situ chemical oxidation: Lessons learned at multiple sites

In situ chemical oxidation: Lessons learned at multiple sites

Loading Rates and Impacts of Substrate Delivery for Enhanced Anaerobic Bioremediation

Remedial safety in in‐situ chemical oxidation, crucial to success

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