Simulation of Degradation Processes of Volatile Organic Compounds by Using GMS
2017
Bora, Gyanashree (Assam Engineering College, Guwahati (India). Civil Engineering Department) | Borah, Triptimoni (Assam Engineering College, Guwahati (India). Civil Engineering Department)
Groundwater is a significant water supply resource. The groundwater table is decreasing in many parts of the world due to excessive overexploitation and unplanned pumping from aquifers and is considered a serious concern. One of the major environmental problems today is hydrocarbon contamination in the subsurface environment. Leakage of underground storage tanks, spills and improper disposal have been considered as major contributors in groundwater contamination. In this study, the pollutants considered are hydrocarbon contaminants (BTEX compounds) leaking from an underground storage tank and our main motive is to simulate the flow and transport processes of BTEX hydrocarbons using MODFLOW and MT3D packages available in the Groundwater Modeling System (GMS). The simulation is performed for a period of five years at intervals of 90 days each using a RT3D model available in GMS. The paper also presents the simulation of the aerobic degradation of BTEX compounds in the aquifer. Oxygen is used to promote natural attenuation process in this study to reduce the concentrations of the organic compounds in the contaminated groundwater.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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