Biogeochemical process approach to the design and construction of a pilot-scale wetland treatment system for an oil field-produced water

Pham, Minh Phung T.; Castle, James W.; Rodgers, John H.

doi:10.1306/eg.03101111003

Cited by 10 publications

(3 citation statements)

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“…32 Some studies demonstrated that specific transformation processes in treatment wetland such as oxidation could be promoted to improve the quality of wastewaters. 30,33 Constructed wetlands are characterized by specific conditions such as aerobic (aerated) and anaerobic (nonaerated) conditions that support different treatment processes for optimal removal of targeted compounds. 34 In aerated constructed wetlands, oxygen is increased to levels required for the degradation of contaminants.…”

Section: Introductionmentioning

confidence: 99%

“…The wetland designs are based primarily on the consortium of plants, soils, hydroperiods, and microbes for efficient remediation. , Developments in CWT technology are primarily focused on gaining knowledge of the fundamental processes in wetlands that can improve their performances . Some studies demonstrated that specific transformation processes in treatment wetland such as oxidation could be promoted to improve the quality of wastewaters. , Constructed wetlands are characterized by specific conditions such as aerobic (aerated) and anaerobic (nonaerated) conditions that support different treatment processes for optimal removal of targeted compounds . In aerated constructed wetlands, oxygen is increased to levels required for the degradation of contaminants. , The application of constructed wetlands has led to improved water quality.…”

Section: Introductionmentioning

confidence: 99%

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Atmospheric Pressure Photoionization Fourier Transform Ion Cyclotron Resonance Mass Spectrometry Characterization of Oil Sand Process-Affected Water in Constructed Wetland Treatment

et al. 2019

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The remediation of oil sand process-affected water (OSPW) generated during the bitumen extraction in the oil sand region of Canada is an area of ongoing research interest. One of the primary remediation challenges is the removal of residual complex organic compounds present in the OSPW. In the present study, the molecular constitution of OSPW from aerated and nonaerated wetland treatments were characterized in constructed wetland treatment systems. Negative-ion and positive-ion atmospheric pressure photoionization (APPI) Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR-MS) was used to provide extensive molecular-level analysis of the samples. Multiple aerated and nonaerated treatment wetland systems were characterized in terms of naphthenic acids (NAs), oxy-NAs, heteroatom NAs class, and double bond equivalent (DBE) versus carbon number to evaluate their molecular composition and variability. A broad range of heteroatom compound classes with variable relative abundances were identified. The DBE versus carbon number analysis revealed different levels of transformation of the compound classes, an indicator of NA fraction compound susceptibility to transformation. The selectivity and the extent of transformation of the compound classes were a function of the wetland design. The complementarity in the heteroatom classes detected in negative-ion and positive-ion APPI FT-ICR-MS highlight the need for multiple ionization methods for more complete coverage of the distribution of components in OSPW. The detailed molecular-level information can be useful for prediction of the fate and associated toxicity of the species and also treatment efficiencies of the wetland systems.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Atmospheric Pressure Photoionization Fourier Transform Ion Cyclotron Resonance Mass Spectrometry Characterization of Oil Sand Process-Affected Water in Constructed Wetland Treatment

et al. 2019

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“…There are several examples of use of wetland for treatment purposes. For example, constructed wetland treatment is used for purification of water produced during the mining of oil [2,5]. Grismer et al reported winery effluent treatment using wetlands [6].…”

Section: Introductionmentioning

confidence: 99%

Simplified residence time prediction models for constructed wetland water recycling systems

Wei

Wang

Dong

et al. 2013

Desalination and Water Treatment

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Treatment of oil and grease in produced water by a pilot-scale constructed wetland system using biogeochemical processes

et al. 2014

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Biogeochemical process approach to the design and construction of a pilot-scale wetland treatment system for an oil field-produced water

Cited by 10 publications

References 52 publications

Atmospheric Pressure Photoionization Fourier Transform Ion Cyclotron Resonance Mass Spectrometry Characterization of Oil Sand Process-Affected Water in Constructed Wetland Treatment

Atmospheric Pressure Photoionization Fourier Transform Ion Cyclotron Resonance Mass Spectrometry Characterization of Oil Sand Process-Affected Water in Constructed Wetland Treatment

Simplified residence time prediction models for constructed wetland water recycling systems

Treatment of oil and grease in produced water by a pilot-scale constructed wetland system using biogeochemical processes

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