BioSVE
Support :
Windows 95/98/2000/NT
Résumé :
BioSVE, by RASI, incorporate soil vapour extraction, vacuum enhanced recovery and biodegradation into one easy-to use screening biodegradation into one easy-to-use screening model. Quite often, dield situations require tools to evaluate different remediation schemes prior to implementation. While these screening tools usually require extensive site data (which can be very expensive or impossible to collect in the available time frame), BioSVE allows site evaluation with few sampling events, quickly. Vacuum Enhanced Recovery (bioslurping), coupled with biodegradation, is a popular emerging cleanup technology, and BioSVE takes advantage of this industry trend with useful tools for hydrocarbon contaminant sites. A typical hydrocarbon spill/leak may contain from 20 to more than 100 components, and BioSVE can model recovery and degradation of up to 250 components. BioSVE allows for modeling of contaminants partitioned among water, vapor, free hydrocarbon and solid phases. This gives the user power to develop remediation strategies for free product recovery, soil vacuum extraction, natural or engineered biodegradation, etc., with high confidence and lower costs to total remediation efforts.
Features
• Screening for soil vacuum extraction (SVE), biodegradation, and vacuum enhanced recovery (VER).
• Soil vacuum extraction of up to 250 species from the hydrocarbon contaminated unsaturated zone. Based on the assumption of chemical equilibrium, species are partitioned among water, oil, gas, and solid phases. Total recovery vs. time, mass of species in various phases vs. time, the species total mass vs. time, and species well gas concentration vs. time can be plotted by BioSVE's resident graphing package.
• Non-equilibrium phase partitioning effect is incorporated via a venting efficiency factor.
• Simulation of oxygen-limited biodegradation based on the assumption of an instantaneous reaction between the hydrocarbon species and oxygen. Kinetics effects are handled using a bio-efficiency factor.
• User-defined free product recovery rate as HIN * Mf ** HEX, where Mf is the mass of hydrocarbon.
• Investigation of the effects of gas pumping rates and temperature on cleanup time.
• Typical physicochemical properties data files for weathered gasoline are provided. The user can quickly edit copies of the file to accurately represent composition of the spill at the site.
• Less than one minute simulation time for most simulations on a 486 computer
Features
• Screening for soil vacuum extraction (SVE), biodegradation, and vacuum enhanced recovery (VER).
• Soil vacuum extraction of up to 250 species from the hydrocarbon contaminated unsaturated zone. Based on the assumption of chemical equilibrium, species are partitioned among water, oil, gas, and solid phases. Total recovery vs. time, mass of species in various phases vs. time, the species total mass vs. time, and species well gas concentration vs. time can be plotted by BioSVE's resident graphing package.
• Non-equilibrium phase partitioning effect is incorporated via a venting efficiency factor.
• Simulation of oxygen-limited biodegradation based on the assumption of an instantaneous reaction between the hydrocarbon species and oxygen. Kinetics effects are handled using a bio-efficiency factor.
• User-defined free product recovery rate as HIN * Mf ** HEX, where Mf is the mass of hydrocarbon.
• Investigation of the effects of gas pumping rates and temperature on cleanup time.
• Typical physicochemical properties data files for weathered gasoline are provided. The user can quickly edit copies of the file to accurately represent composition of the spill at the site.
• Less than one minute simulation time for most simulations on a 486 computer