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Showing 1 to 20 of 78 for “"Permanganate"”.
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The mechanism of the antimony/potassium permanganate combustion reaction
… study of the reactions in the antimony/potassium permanganate system, which has been in use for many years as a delay composition, are presented.<br/><br/>The starting points for such a study were the investigation of the thermal decomposition of KMn04, and the oxidation characteristics of the …
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Flash Photolysis and Flash Heating of Potassium Permanganate Crystals
Made available in DSpace on 2014-12-09T17:35:46Z (GMT). No. of bitstreams: 1 6711878.pdf: 3620296 bytes, checksum: 5c16454b8e7e0483daa2f84c5e833f1c (MD5) Previous issue date: 1967
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Permanganate oxidations of aromatic hydrocarbons in aqueous and organic solution
… oxidations of a select group of arylalkanes by permanganate have been studied in aqueous solution and in toluene. In water at pH 7, the reactions of toluene, ethylbenzene, and cumene with KMnO$\sb4$ were studied. In toluene, $\rm\sp{n}Bu\sb4NMnO\sb4$ was used as the oxidant in the reactions of …
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Development and Characterization of Controlled-Release Permanganate Gelfor Groundwater Remediation
… in-situ, well-based emplacement of concentrated permanganate solution mixed with a gelling agent. The controlled-release permanganate gel (CRP-G) solution was developed so that it may be injected and flow with groundwater and subsequently increase in viscosity over time to remain emplaced and …
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Geochemical Impacts From Permanganate Oxidation Based on Field Scale Assessments.
<p>In situ chemical oxidation (ISCO) using permanganate is a technology for treatment of organic hazardous wastes. This research is a review of 30 permanganate (MnO<sub>4</sub><sup>-</sup>) ISCO sites to determine whether there are long term impacts on groundwater quality due to the introduction of …
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Electrometric End Point Detection in Alkaline Permanganate and Hypochlorite Titrations
Made available in DSpace on 2015-05-12T17:02:27Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 0006026.PDF: 3331871 bytes, checksum: d358f5e8afb4169503b1d9ee93b91b8c (MD5) Previous issue date: 1953
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The treatment of a munitions manufacturing waste with lime, chlorine and permanganate
Lime, chlorine, and potassium permanganate have long been important chemicals in the treatment of municipal and industrial wastewater. Their effectiveness in treating munitions manufacturing wastes was determined in a laboratory study using bench scale coagulation tests designed to simulate the …
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Oxidation of trihalomethane-precursors and manganese(II) by chlorine dioxide and permanganate
The objectives were to evaluate permanganate and chlorine dioxide as preoxidants both when they were dosed individually and when they were dosed together, for their abilities to improve water treatment plant performance. The specific goals were to determine the effect of the preoxidant conditions …
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Treatment of algae-induced tastes and odors by chlorine, chlorine dioxide and permanganate
… chlorine dioxide (ClO₂ ) and potassium permanganate (KMnO₄) were evaluated as oxidants for the removal of grassy and cucumber odors associated with the pure compounds, cis-3-hexenol and trans-2, cis-6-nonadienal, respectively, and for the removal of fishy odors associated with a culture …
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Impacts of subsurface permanganate delivery parameters on dense nonaqueous phase liquid mass depletion rates
Includes bibliographical references (pages 100-105).
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Destruction of algae-produced taste-and-odor compounds by chlorine, potassium permanganate, and chlorine dioxide
… effect of three oxidants - chlorine, potassium permanganate, and chlorine dioxide - on solutions of pure odorous as well as nonodorous compounds and algal extracts containing a mixture of odor-related compounds. Oxidant dosages used were in the ranges expected during water treatment. Rashash …
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Comparative evaluation of potassium permanganate and catalyzed hydrogen peroxide during in situ chemical oxidation of DNAPLs
Includes bibliographical references (pages 105-113).
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Oxidative Treatment of Emerging Micropollutants and Viral Pathogens by Potassium Permanganate and Ferrate: Kinetics and Mechanisms
… Chemical oxidation processes involving permanganate [MnO4-, Mn(VII)] and ferrate [FeO42-, Fe(VI)] salts are promising technologies for treatment of many PhACs. Permanganate is already widely used in water treatment facilities (e.g., for treatment of taste and odor compounds, soluble …
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An investigation of the oxidative potential of potassium permanganate and chlorine dioxide during the oxidation of reduced manganese
… chlorine dioxide (Cl0₂), and potassium permanganate (KMnO₄). Based on these findings, laboratory analyses were performed to determine if these reactions would occur under simulated water treatment plant conditions. In addition, a speciation procedure was developed to quantify the various …
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The Formal Redox Potential of the Permanganatemanganous System in Sulfuric Acid
… One of the most important conjugate pairs is the permanganate-manganous system in acid solution. |A search through the literature seemed to show that no attempts have been made to measure the formal redox potential of the permanganate-mangonous system in sulfuric acid. All investigations …
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The performance of potassium permanganate and hydrogen peroxide oxidation and/or alum coagulation in the removal of complexed FE(II) from drinking water
The influence of solution pH, DOC concentration, the relative molecular weight distribution of DOC, and the source of DOC were investigated for their effects on the removal of complexed Fe(II) by alum coagulation and/or KMn04 and H20 2 oxidation. The differentiation between particulate, colloidal, …
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Total synthesis of cis-sylvaticin and synthetic studies towards the synthesis of adjacent THF-THF and THF-THP Annonaceous acetogenins
… kinetic resolution of epoxide<br/>2.2, two permanganate promoted oxidative cyclisation reactions, a tethered<br/>RCM to unite the two major fragments and the use of P4 phoshazene base to<br/>install the butenolide precursor.<br/><br/>Synthesis of adjacent THP-THF and bis-THF cores via …
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Reactivity studies of arene-cis-diols in cycloadditions and potassium permanganate oxidations: synthesis of the corresponding arene-trans-diols and an approach to the synthesis of (+)-pancratistatin
Potassium permanganate oxidations and novel cycloaddition chemistry of the arene-cis-diols (7) were investigated. It was found that permanganate oxidation of arene-cis-diols yielded a mixture of 2 products, (157a) and (157b) in low yield. The influence of the C1-substituent on the outcome of the …
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Hydraulic and Electrokinetic Delivery of Remediants for In-situ Remediation
… Electrokinetics (EK) was used to enhance permanganate delivery through the silt layers. The suite of experiments demonstrated that EK was able to drive more permanganate at a faster rate throughout the silt layers in comparison to no-EK experiments. The combined EK and permanganate …
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Formation and removal of pesticides and pesticide transformation products during water treatment
… free and combined chlorine, chlorine dioxide, permanganate, ozone, hydrogen peroxide, ultraviolet radiation, and high pH (alkaline hydrolysis). Due to the broad nature of the study, pesticide compounds were analyzed as multiple mixes broken into two groups based on analytical methods, those …
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