تفاصيل الوثيقة

نوع الوثيقة : مقال في مجلة دورية 
عنوان الوثيقة :
دراسات جدوى إعادة استخدام الواحات الاصطناعية الرطبة لمعالجة ومحاكات المياه الجوفية المحتوية على النيكل
Feasibility Studies for Reuse of Constructed Wetlands Treating Simulated Nickel Containing Groundwater
 
الموضوع : علوم بيئية 
لغة الوثيقة : الانجليزية 
المستخلص : Constructed wetlands are considered as low cost treatment option for domestic and industrial wastewater in the recent decades. The presence of toxic heavy metals in wastewater is a problematic issue, since these heavy metals have potential to accumulate in the treatment systems. Thus heavy metals greatly influence the efficiency of constructed wetlands. Therefore a feasibility study was proposed for long term usage of constructed wetlands as treatment systems. Initially sediment in a constructed wetland was contaminated with simulated nickel containing groundwater followed by using suitable leaching solution to rejuvenate the heavy metal contaminated sediment. A batch study was performed to identify the optimum pH for nickel adsorption on sand. The efficiency of different leaching solutions to remove the adsorbed nickel from sand was studied. Following this a Pilot scale study was carried out in constructed wetland treatment plant (vertical flow) at Anna University, Chennai, India. The amount of nickel solution charged into the Control Cell (sand) and Test Cell (sand planted with Arundo donax) was 29000 mg/cell. The concentration of nickel adsorbed to sand increased from 0.2mg/Kg to 4.34 mg/Kg in the control cell whereas the increase in test cell was 4.08mg/Kg. Leaching the wetland with EDTA solution resulted in removal of nickel up to its background concentrations on the sand. It can be concluded that the proposed feasibility study can be used to rejuvenate the sediment in a constructed wetland for its long term usage as treatment systems 
ردمد : 2249-0256 
اسم الدورية : Universal Journal of Environmental Research and Technology 
المجلد : 1 
العدد : 3 
سنة النشر : 1432 هـ
2011 م 
نوع المقالة : مقالة علمية 
تاريخ الاضافة على الموقع : Sunday, February 12, 2012 

الباحثون

اسم الباحث (عربي)اسم الباحث (انجليزي)نوع الباحثالمرتبة العلميةالبريد الالكتروني
C. SivaramanSivaraman, C. باحث رئيسيدكتوراهpcsivaraman@gmail.com
أرولازاجان بوزاقاندي بوزاقانديPugazhendi, Arulazhagan Pugazhendiباحث مشاركدكتوراهArulazhagan.pugazandi415@gmail.com
Dirk WaltherWalther, Dirk باحث مشاركدكتوراه 
N. VasudevanVasudevan, N. باحث مشاركدكتوراه 

الملفات

اسم الملفالنوعالوصف
 32259.pdf pdfFeasibility Studies for Reuse of Constructed Wetlands Treating Simulated Nickel Containing Groundwater

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