The Fate of Hydrogen Peroxide as an Oxygen Source for Bioremediation Activities within Saturated Aquifer Systems

Zappi, Mark E.; White, K. Preston; Hwang, Huey‐Min; Bajpai, Rakesh; Qasim, Mohammad

doi:10.1080/10473289.2000.10464207

Cited by 37 publications

(22 citation statements)

References 28 publications

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“…Hydrogen peroxide has been successfully utilized as an oxygen source for in situ remediation in a saturated aquifer (Zappi et al, 2000). The natural decomposition of H2O2 provides molecular oxygen needed for aerobic metabolism of microorganisms and roots.…”

Section: Introductionmentioning

confidence: 99%

Effect of Injecting Hydrogen Peroxide into Heavy Clay Loam Soil on Plant Water Status, NET CO2 Assimilation, Biomass, and Vascular Anatomy of Avocado Trees

et al. 2009

Chilean J. Agric. Res.

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In Chile, avocado (Persea americana Mill.) orchards are often located in poorly drained, low-oxygen soils, situation which limits fruit production and quality. The objective of this study was to evaluate the effect of injecting soil with hydrogen peroxide (H2O2) as a source of molecular oxygen, on plant water status, net CO2 assimilation, biomass and anatomy of avocado trees set in clay loam soil with water content maintained at field capacity. Three-year-old 'Hass' avocado trees were planted outdoors in containers filled with heavy loam clay soil with moisture content sustained at field capacity. Plants were divided into two treatments, (a) H2O2 injected into the soil through subsurface drip irrigation and (b) soil with no H2O2 added (control). Stem and root vascular anatomical characteristics were determined for plants in each treatment in addition to physical soil characteristics, net CO2 assimilation (A), transpiration (T), stomatal conductance (gs), stem water potential (SWP), shoot and root biomass, water use efficiency (plant biomass per water applied [WUEb]). Injecting H2O2 into the soil significantly increased the biomass of the aerial portions of the plant and WUEb, but had no significant effect on measured A, T, gs, or SWP. Xylem vessel diameter and xylem/phloem ratio tended to be greater for trees in soil injected with H2O2 than for controls. The increased biomass of the aerial portions of plants in treated soil indicates that injecting H2O2 into heavy loam clay soils may be a useful management tool in poorly aerated soil.

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Section: Introductionmentioning

confidence: 99%

Effect of Injecting Hydrogen Peroxide into Heavy Clay Loam Soil on Plant Water Status, NET CO2 Assimilation, Biomass, and Vascular Anatomy of Avocado Trees

et al. 2009

Chilean J. Agric. Res.

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“…However, because of several potential interactions of H 2 O 2 with various aquifer material constituents, its decomposition may be too rapid, making effective introduction of H 2 O 2 into targeted treatment zones extremely difficult and costly (24). Pre-treatment of wastewater by ozone, H 2 O 2 , by TiO 2 -catalized UV-photooxidation, and electrochemical oxidation can significantly enhance the biodegradation of halogenated organics, textile dyes, pulp mill effluents, tannery wastewater, olive-oil mills, surfactantpolluted wastewater and pharmaceutical wastes, and diminish the toxicity of municipal landill leachates.…”

Section: Enhancement Of Biotechnological Treatment Of Wastesmentioning

confidence: 99%

Applications of Environmental Biotechnology

Ivanov

Hung

2010

Environmental Biotechnology

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Environmental biotechnology is a system of scientific and engineering knowledge related to the use of microorganisms and their products in the prevention of environmental pollution through biotreatment of solid, liquid, and gaseous wastes, bioremediation of polluted environments, and biomonitoring of environment and treatment processes. The advantages of biotechnological treatment of wastes are as follows: biodegradation or detoxication of a wide spectrum of hazardous substances by natural microorganisms; availability of a wide range of biotechnological methods for complete destruction of hazardous wastes; and diversity of the conditions suitable for biodegradation. The main considerations for application of biotechnology in waste treatment are technically and economically reasonable rate of biodegradability or detoxication of substances during biotechnological treatment, big volume of treated wastes, and ability of natural microorganisms to degrade substances. Type of biotreatment is based on physiological type of applied microorganisms, such as fermenting anaerobic, anaerobically respiring (anoxic), microaerophilic, and aerobically respiring microorganisms. All types of biotechnological treatment of wastes can be enhanced using optimal environmental factors, better availability of contaminants and nutrients, or addition of selected strain(s) biomass. Bioaugmentation can accelerate start-up or biotreatment process in case microorganisms, which are necessary for hazardous waste treatment, are absent or their concentration is low in the waste; if the rate of bioremediation performed by indigenous microorganisms -T. Hungis not sufficient to achieve the treatment goal within the prescribed duration; when it is necessary to direct the biodegradation to the best pathway of many possible pathways; and to prevent growth and dispersion in waste treatment system of unwanted or nondetermined microbial strain which may be pathogenic or opportunistic one. Biosensors are essential tools in biomonitoring of environment and treatment processes. Combinations of biosensors in array can be used to measure concentration or toxicity of a set of hazardous substances. Microarrays for simultaneous qualitative or quantitative detection of different microorganisms or specific genes in the environmental sample are also useful in the monitoring of environment.Key Words Environmental biotechnology r wastes r biotreatment r biodegradation r bioaugmentation r biosensors r biomonitoring.

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“…In situ approaches offer an additional benefit in that they can be applied at facilities with existing structures that cannot be demolished to facilitate soil excavation (Zappi et al, 2000). Furthermore, other remediation methods become unviable when the contaminant is located at a greater depth or the removal of the contaminant from its location is difficult.…”

Section: Introductionmentioning

confidence: 97%

“…In situ bioremediation, the engineered application of microbiological processes to clean up soil or groundwater contaminated with chemicals, appears to offer the most promise of all of the in situ techniques under development because of the ease of implementation and the state of technology maturity (Zappi et al, 2000). In situ bioremediation is attractive because it has the potential to (1) permanently eliminate contaminants through biochemical transformation or mineralization, (2) avoid harsh chemical and physical treatments, and (3) operate in situ and be cost effective (Sturman et al, 1995).…”

Section: Introductionmentioning

confidence: 99%

Modeling and Comparison of Electrolytic Aeration and ORC^® Aeration of Anoxic Groundwater in a Simulated Laboratory Aquifer

Goel

Liu

Flora

et al. 2003

Environmental Engineering Science

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This study investigated the electrolytic method of aerating anoxic groundwater, where the goal for aeration is to enhance in situ bioremediation by indigenous microbes. Experiments in a simulated aquifer were performed to study the electrolytic cell as an oxygen generating source, and its performance was compared to oxygen release compound (ORC ® ) with respect to aerating the anoxic aquifer. Two different flow rates and concentrations of a dissolved oxygen (DO) scavenger were tested. Sodium sulfite was used to simulate the presence of DO scavengers such as Fe 21 . Electrolytic aeration is possible at a current of 100 mA, and is competitive with ORC ® aeration. A higher flow rate resulted in lower dissolved DO levels in the simulated aquifer, and lower sulfite levels increased the DO levels. A mathematical model was developed to simulate the movement and dispersion of DO down-gradient of the oxygen delivery well. The model results confirmed that the two aeration technologies are comparable. The use of the model in determining the zone of influence of an electrolytic well for oxygenating an anoxic aquifer is demonstrated for a hypothetical scenario.

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The Fate of Hydrogen Peroxide as an Oxygen Source for Bioremediation Activities within Saturated Aquifer Systems

Cited by 37 publications

References 28 publications

Effect of Injecting Hydrogen Peroxide into Heavy Clay Loam Soil on Plant Water Status, NET CO2 Assimilation, Biomass, and Vascular Anatomy of Avocado Trees

Effect of Injecting Hydrogen Peroxide into Heavy Clay Loam Soil on Plant Water Status, NET CO2 Assimilation, Biomass, and Vascular Anatomy of Avocado Trees

Applications of Environmental Biotechnology

Modeling and Comparison of Electrolytic Aeration and ORC^® Aeration of Anoxic Groundwater in a Simulated Laboratory Aquifer

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The Fate of Hydrogen Peroxide as an Oxygen Source for Bioremediation Activities within Saturated Aquifer Systems

Cited by 37 publications

References 28 publications

Effect of Injecting Hydrogen Peroxide into Heavy Clay Loam Soil on Plant Water Status, NET CO2 Assimilation, Biomass, and Vascular Anatomy of Avocado Trees

Effect of Injecting Hydrogen Peroxide into Heavy Clay Loam Soil on Plant Water Status, NET CO2 Assimilation, Biomass, and Vascular Anatomy of Avocado Trees

Applications of Environmental Biotechnology

Modeling and Comparison of Electrolytic Aeration and ORC® Aeration of Anoxic Groundwater in a Simulated Laboratory Aquifer

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Product

Resources

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Modeling and Comparison of Electrolytic Aeration and ORC^® Aeration of Anoxic Groundwater in a Simulated Laboratory Aquifer