منابع مشابه
“ New challenges for small wastewater treatment plants ”
INTRODUCTION Safe wastewater treatment methods have always been a challenge to the society. During the last 50 years, pollution abatement measures have been given high priority, particularly discharges from the growing urban areas. Early objectives were to reduce the emissions of organic matter and pathogens, while other objectives related to the emission of heavy metals and nutrients (phosphor...
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As a result of uncontrolled discharge of wastewaters containing high levels of phosphorus to the receiving bodies could create adverse effects on water quality. Therefore phosphorus should be eliminated prior to discharging into aquatic environment together with carbon and nitrogen to reduce eutrophication risk. Control of effluent phosphorus level by enhanced biological methods became a standa...
متن کاملLife Cycle Assessment of Biological Nutrient Removal Wastewater Treatment Plants
Advances in wastewater treatment over the past 150 years have improved public health and local water quality. Recently however, society has begun to consider the wider environmental implications of these improvements. This paper uses life cycle assessment to quantitatively compare the environmental costs and benefits of different wastewater treatment technologies and standards. It is demonstrat...
متن کاملOccurrence and Removal of Macrolides in Municipal Wastewater Treatment Plants: A Review
Introduction: Macrolides are a group of antibacterial agents. Given their clinical importance, and the consistent rise in resistance among pathogenic bacteria, macrolides have been the targets of extensive research. Materials and Methods: This review considered the number of macrolides in different wastewater and the removal of these drugs. The antibiotics were frequently detected in influents...
متن کاملAntibiotics Removal in Biological Sewage Treatment Plants
This study investigated the occurrence and removal of 12 antibiotics (ciprofloxacin, enrofloxacin, levofloxacin, norfloxacin, nalidixic acid, azithromycin, clarithromycin, roxithromycin, lincomycin, novobiocin, sulfamethoxazole, trimethoprim) at four sewage treatment plants (STPs): two STPs in Kyoto, Japan and two STPs in Beijing, China. The STPs differed in design and operation conditions, uti...
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ژورنال
عنوان ژورنال: Water Science and Technology
سال: 2006
ISSN: 0273-1223,1996-9732
DOI: 10.2166/wst.2006.862