Soil Vapor Extraction and Bioventing - Engineering and Design
bioventing: Topics by owusyhig.tk
Project manager responsible for the pilot test, design of the remedial system using numerical SVE and biodegradation models, and preparation of the design report. Projects included interpretation of pilot test data, and use of numerical flow and transport models to predict SVE and sparging performance. Work included preparation of site-specific work plans, quality assurance project plans, health and safety plans, and analysis and interpretation of field data using numerical models.
Work included predictive numerical modeling of vapor extraction and biodegradation efficiency for pilot test design, performance of a pilot test, interpretation of pilot test results, preparation of interpretive reports, and recommendations for a full-scale design. Project elements included a pilot test, development of a conceptual design using numerical flow and transport models, and a conceptual design report. The evaluation included the use of numerical flow and transport models that simulate biodegradation. An interpretive report was prepared that recommended minimum air circulation rates needed to meet remedial goals.
ISBN 13: 9781780397702
Use of the technique to estimate landfill gas generation rates at sites located in Tucson, Arizona; Albuquerque, New Mexico; Livermore, California; St. Project Manager responsible for site investigation, data analysis using patented baro-pneumatic method, conceptual design using numerical models, and conceptual design reporting. Also used the baro-pneumatic method to design a landfill gas migration control system for a site in Payson, Arizona. Model results were used to support the design of an in-situ pilot aerobic treatment system for a closed City of Tucson landfill and to predict long term methane generation rates for untreated landfills.
Elements of the project include site characterization, numerical modeling to select appropriate monitoring well densities, investigation of a localized groundwater VOC plume, report preparation, and presentation of results to and negotiation with controlling regulatory agencies.
Elements of the project include site characterization, evaluation of an interim remedial action, development of remedial objectives, preparation of a preliminary Contaminant Investigation Report and a preliminary Corrective Action Plan, litigation support, and ongoing interpretive support for the preparation of quarterly monitoring reports. Models designed to evaluate sulfate migration, assess remedial alternatives for sulfate mitigation, and evaluate potential impacts on public water supplies.
Model development included extensive analysis of aquifer tests using analytical models. The model was used to predict the hydraulic interaction between the fanglomerate and an overlying alluvial aquifer impacted by acid mine drainage under pre-remedial conditions and under conditions of anticipated future remedial pumping of the alluvial aquifer.
Three-dimensional numerical models have been used to: 1 predict the impact of past and current wet tailings disposal on regional groundwater, 2 assess remedial options, 3 direct further data collection activities, and 4 provide data for slope-stability studies. Work included estimation of sustainable water supply and water quality, and recommendation of areas most favorable for water development.
Work included supervision of field activities and development of numerical flow and transport models that incorporate groundwater and soil gas data as an aid to understanding past history and current and potential future impacts of VOCs on groundwater. Work included investigation of on- and off-site subsurface VOC contamination and preliminary design of a soil and groundwater remedial system.
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Work included preliminary system design using numerical models. Work included use of numerical models and preparation of an interpretive report. Duties included planning and direction of soil gas, soils, and groundwater work.
Duties included planning and direction of field activities, design of remedial alternatives, and preparation of interpretive reports. Sampling and on-site analysis of groundwater to delineate the extent and type of contamination, supervision of monitor and production well installation, performance and interpretation of aquifer tests, and preparation of interpretive reports.
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Already have an account? Login in here. Doboku Gakkai Ronbunshuu C. Journal home Journal issue About the journal. Paper In Japanese. Keywords: volatile chlorinated organic carbon , soil vapor extraction , air permeability , influence radius of vacuum pumping , air-water two-phase flow.
Published: received: September 07, Released: May 19, accepted: - [Advance Publication] Released: - corrected: -. Article overview. Figure 4: Benzene degrading microbial count during hours of operation Click here to view. Figure 5: Toluene degrading microbial count during hours of operation Click here to view.
Figure 6: Variation of soil water content during bioventing and air injection bioventing operation Click here to view. Figure 7: Benzene and toluene mass balances on bioventing, soil vapor extraction and air injection bioventing reactors Click here to view.
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Remediation of soils combining soil vapor extraction and bioremediation: Benzene. Chemosphere ; J Therm Anal Calorim ; Removal of benzene, toluene, ethylbenzene and xylene BTEX from aqueous solutions by montmorillonite modified with nonionic surfactant: Equilibrium, kinetic and thermodynamic study. Chem Eng J ; Water Air Soil Pollut ; Multi-Component adsorption of benzene, toluene, ethylbenzene, and xylene from aqueous solutions by montmorillonite modified with tetradecyl trimethyl ammonium bromide.
J Chem ; Biodegradation ; Boopathy R. Factors limiting bioremediation technologies. Bioresour Technol ; Vidali M. An overview. Pure Appl Chem ;