Inhibition of Cyanobacterial Growth on a Municipal Wastewater Sidestream Is Impacted by Temperature
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Inhibition of Cyanobacterial Growth on a Municipal Wastewater Sidestream Is Impacted by Temperature
Sidestreams in wastewater treatment plants can serve as concentrated sources of nutrients (i.e., nitrogen and phosphorus) to support the growth of photosynthetic organisms that ultimately serve as feedstock for production of fuels and chemicals. However, other chemical characteristics of these streams may inhibit growth in unanticipated ways. Here, we evaluated the use of liquid recovered from ...
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the aim of this thesis is an approach for assessing insurer’s solvency for iranian insurance companies. we use of economic data with both time series and cross-sectional variation, thus by using the panel data model will survey the insurer solvency.
Treatment of saline municipal wastewater using hybrid growth system
BACKGROUND In this study, a hybrid treatment system (Fluidized Bed positioned in a biological reactor of an Activated Sludge process) was used to treat saline domestic wastewater. The performance of the mentioned hybrid system was compared with the conventional activated sludge. A pilot study was conducted, and Chemical Oxygen Demand (COD), Electrical Conductivity (EC), Total Dissolved Solids (...
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The present study examined the feasibility of treating municipal wastewater by a UASB system under low-temperature conditions. Two reactors were started-up at 20 degrees C and subsequently operated at temperatures of 32, 20, 15, 11, and 6 degrees C applying several hydraulic retention times (HRTs) ranging from 48 to 3 h during an operational period of approximately 900 days. Chemical oxygen dem...
متن کاملComposting of Municipal Wastewater Sludges
Ohio) provided substantive guidance and review. Agency and approved for publication. The process alternatives, trade names, or commercial products are only examples and are not endorsed or recommended by the U.S. Environmental Protection Agency. Other alternatives may exist or may be developed. In addition , the information in this document does not necessarily reflect the policy of the Agency,...
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ژورنال
عنوان ژورنال: mSphere
سال: 2018
ISSN: 2379-5042
DOI: 10.1128/msphere.00538-17