Spectroscopic characterization of DOM and the nitrogen removal mechanism during wastewater reclamation plant
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چکیده
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Spectroscopic characterization of DOM and the nitrogen removal mechanism during wastewater reclamation plant
The performance of the Sha-he wastewater reclamation plant was evaluated in this study. To remove residual nitrogen after Anaerobic-Anoxic-Oxic (A2O) treatment, three multistage Anoxic-Oxic (A/O) were added to investigate the nitrogen removal efficiency and its mechanism. In addition, the constituents and evolution of dissolved organic matter (DOM) during wastewater reclamation was also investi...
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سنتز سبز نانوذرات فلزی (nps) درسالهای اخیر توجه بسیارزیادی را به خود جلب کرده است. زیرا این پروتوکل کم هزینه وسازگار با محیط زیست از روش های استاندارد سنتز. در این پایان نامه ما گزارش میکنیم یک روش ساده و سازگار با محیط زیست برای سنتز نانوذرات نقره با استفاده از محلول آبی عصاره گیاه allium iranicum به عنوان یک عامل کاهش دهنده ی طبیعی. نانو ذرات نقره مشخص شد با استفاده از تکنیک های uv-visible، x...
Role of lime treatment in the removal of bacteria, enteric viruses, and coliphages in a wastewater reclamation plant.
Lime flocculation/sedimentation in the first process unit of a 4,500-m3/day wastewater reclamation plant reduced numbers of microorganisms extensively when operated at pH 11.2. The efficiency was much less at lower pH values, and some bacteria even multiplied at pH 9.6. Data on reduction in the number of microorganisms in the lime treatment and subsequent units indicate that inactivation by hyd...
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15 صفحه اولControl of endotoxins and their fate during wastewater reclamation
Potable reuse is one of the alternatives to approach water sustainability and it is gaining widespread acceptance all over the world due to increasing stress on water resources (Rodriguez et al. 2009). As water reclamation and potable reuse is a viable option, constituents that might threaten human health must be considered seriously. Endotoxins, interchangeably named Lipo-polisccharide (LPS), ...
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ژورنال
عنوان ژورنال: PLOS ONE
سال: 2017
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0187355