کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6308733 1618860 2014 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Environmental- and health-risk-induced remediation design for benzene-contaminated groundwater under parameter uncertainty: A case study in Western Canada
ترجمه فارسی عنوان
طراحی محیط زیستی و بهداشتی خطرناک برای آبهای زیرزمینی آلوده به بنزن تحت عدم اطمینان پارامتر: مطالعه موردی در کانادا غربی
کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم محیط زیست شیمی زیست محیطی
چکیده انگلیسی


- An environmental- and health-risk-induced groundwater remediation design is proposed.
- Flexible exposure frequency, intake rates and health risk thresholds are considered.
- A real petroleum-contaminated site is studied to measure performance of the approach.
- Health-risk concerns greatly increase operating costs for long-term remediation.
- Exposure frequency contributes more to health risk than intake rates.

This study proposes an environmental- and health-risk-induced remediation design approach for benzene-contaminated groundwater. It involves exposure frequency and intake rates that are important but difficult to be exactly quantified as breakthrough point. Flexible health-risk control is considered in the simulation and optimization work. The proposed approach is then applied to a petroleum-contaminated site in western Canada. Different situations about remediation durations, public concerns, and satisfactory degrees are addressed by the approach. The relationship between environmental standards and health-risk limits is analyzed, in association with their effect on remediation costs. Insights of three uncertain factors (i.e. exposure frequency, intake rate and health-risk threshold) for the remediation system are also explored, on a basis of understanding their impacts on health risk as well as their importance order. The case study results show that (1) nature attenuation plays a more important role in long-term remediation scheme than the pump-and-treat system; (2) carcinogenic risks have greater impact on total pumping rates than environmental standards for long-term remediation; (3) intake rates are the second important factor affecting the remediation system's performance, followed by exposure frequency; (4) the 10-year remediation scheme is the most robust choice when environmental and health-risk concerns are not well quantified.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Chemosphere - Volume 111, September 2014, Pages 604-612
نویسندگان
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