CAJ | 학술논문

根据沈阳石蜡化工有限公司厂区水文地质条件以及周边农业灌溉等废水排放条件,并分析地下水污染机理,建立了地下水溶质运移数学模型,预测地下水水质时空变化特征.将含水层概化为单层非均质不等厚各向同性的二维非稳定潜水渗流系统,模拟因子确定为石油类,向水源地的运移概化为二维对流-弥散运动.模拟区边界按一类边界处理,并在厂区位加一虚拟点污染源.预测结果表明,未做防渗层条件下,随着开采时段的增长,区内各节点浓度逐渐增高,其变化幅度在近河近开采井地段较明显,但未出现预警浓度（0.05mg/L）;加防渗层后,石油类浓度相对于原背景值将大幅减小.
근거침양석사화공유한공사엄구수문지질조건이급주변농업관개등폐수배방조건,병분석지하수오염궤리,건립료지하수용질운이수학모형,예측지하수수질시공변화특정.장함수층개화위단층비균질불등후각향동성적이유비은정잠수삼류계통,모의인자학정위석유류,향수원지적운이개화위이유대류-미산운동.모의구변계안일류변계처리,병재엄구위가일허의점오염원.예측결과표명,미주방삼층조건하,수착개채시단적증장,구내각절점농도축점증고,기변화폭도재근하근개채정지단교명현,단미출현예경농도（0.05mg/L）;가방삼층후,석유류농도상대우원배경치장대폭감소.
According to hydrogeological conditions at factory district of Shenyang Paraffin wax Chemical Limited Company as well as wastewater discharging conditions of peripheral agricultural irrigation,the underground water contamination mechanism was analyzed;the ground water solute migration mathematical model was established;and the temporal and spatial variation characteristic of ground water quality was forecasted.The aquifer was generalized single layer and non-homogeneous and unequal thickness and isotropic two-dimensional unsteady infiltration flow underwater system,the simulation factor was determined for petroleum classes,the movement to the water source place was generalized the two-dimensional convection-dissemination movement.The simulation boundary area was treated as the first kind area,and a hypothesized point pollution source was added at the plant area.The forecasting result indicates that under the non-impermeable layer condition,the density of every spot in the area has been gradually increasing along with the mining time＇s growth.Its rangeability was very obvious at near river and near mining well sector,but warning density（0.05 mg/L） was emerged;After constructing a impermeable layer,the density of petroleum class was significantly reduced relatively to the original background value.