Chemical oxidation of trichloroethylene with potassium permanganate in a porous medium

Huang, Kun-Chang; Hoag, George E.; Chheda, Pradeep; Woody, Bernard A.; Dobbs, Gregory M.

doi:10.1016/s1093-0191(01)00122-8

Cited by 34 publications

(19 citation statements)

References 19 publications

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“…The system for KMnO 4 delivery from the pellets can be adjusted by providing a higher dose of KMnO 4 in the treatment system than the 2-mole KMnO 4 : 1 mole TCE thus making this method comparable to liquid and gaseous oxidant reactions occurring in the field. Literature reports the observed stoichiometric ratio for permanganate to TCE as 3.5-5 moles KMnO 4 for every mole of TCE using waxy pellets in aqueous systems [24,28,29]. Preliminary studies show the polymers are moderately soluble in TCE.…”

Section: Potential Challenges For Crbp Kmno 4 Remediationmentioning

confidence: 99%

Encapsulation of Potassium Permanganate Oxidant in Biodegradable Polymers to Develop a Novel Form of Controlled-Release Remediation

Luster‐Teasley

Onochie

Shirley

2009

Emerging Environmental Technologies, Volume II

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This research seeks to develop controlled release biodegradable polymers that release chemical oxidants at controlled or sustained rates to extend the longevity of treatments for water and soil. The present work explores the ability to encapsulate chemical oxidants in biodegradable polymers for environmental remediation. Several polymer/oxidant formulations were tested by combining hydrophobic and hydrophilic polymers to create pellets with various release rates for potassium permanganate. Potassium permanganate is a crystalline chemical oxidant that is currently dissolved in water for use in drinking water treatment and in the remediation of chlorinated solvents. Prototype pellet structures ranging in 0.3-0.5 mm size were produced. The pellets were capable of slowly releasing potassium permanganate over a 44-47 day period of testing. This technology provides the potential for new methods for chemical remediation using biodegradable polymers including creation of subsurface permeable reactive barriers, wells packed with oxidation pellets, or reactors filled with pellets for pump and treat systems. This paper will summarize the development of this technology, release rate studies, and preliminary remediation studies for trichloroethylene using the controlled release prototypes.

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Section: Potential Challenges For Crbp Kmno 4 Remediationmentioning

confidence: 99%

Encapsulation of Potassium Permanganate Oxidant in Biodegradable Polymers to Develop a Novel Form of Controlled-Release Remediation

Luster‐Teasley

Onochie

Shirley

2009

Emerging Environmental Technologies, Volume II

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“…Permanganate was used as an oxidant for in situ chemical destruction of tetrachloroethylene (PCE) and trichloroethylene (TCE) in the subsurface. Both PCE and TCE are rapidly degraded in either aqueous solutions [10,13,14] or soil matrixes [15].…”

Section: Introductionmentioning

confidence: 99%

Oxidative treatment of azo dyes in aqueous solution by potassium permanganate

Azam

Olya

Aleboyeh

2009

Journal of Hazardous Materials

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“…Effluent exiting the 2D-tank was quantitatively collected in 1-L collapsible Tedlar bags equipped with a stainless steel valves (Zefon, Ogala, FL) [40]. To minimize volatilization, any gas produced from the MnO 4 − -TCE reaction (i.e., CO 2 ), was frequently removed using an air-tight glass syringe.…”

Section: Sample Collection Protocolmentioning

confidence: 99%

Improving the treatment of non-aqueous phase TCE in low permeability zones with permanganate

Chokejaroenrat

Comfort²,

Sakulthaew

et al. 2014

Journal of Hazardous Materials

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Chemical oxidation of trichloroethylene with potassium permanganate in a porous medium

Cited by 34 publications

References 19 publications

Encapsulation of Potassium Permanganate Oxidant in Biodegradable Polymers to Develop a Novel Form of Controlled-Release Remediation

Encapsulation of Potassium Permanganate Oxidant in Biodegradable Polymers to Develop a Novel Form of Controlled-Release Remediation

Oxidative treatment of azo dyes in aqueous solution by potassium permanganate

Improving the treatment of non-aqueous phase TCE in low permeability zones with permanganate

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