نتایج جستجو برای: biological nitrogen removal
تعداد نتایج: 705227 فیلتر نتایج به سال:
Constructed wetlands could be components of low-tech systems to treat and reuse wastewater in arid region. A key function of the wetland would be to provide additional N removal. To improve design criteria, a sequential model of nitrogen transformations (organic N! ammonium; ammonium!nitrate; nitrate!nitrogen gas) was successfully calibrated and verified for a wetland in Kingman, Arizona. A seq...
Biological nitrogen removal in a step-feed CAST with real-time control treating municipal wastewater
[1] We explored the role of aquatic systems in the global N cycle using a spatially distributed, within-basin, aquatic nitrogen (N) removal model, implemented within the Framework for Aquatic Modeling in the Earth System (FrAMES-N). The model predicts mean annual total N (TN) removal by small rivers (with drainage areas from 2.6–1000 km), large rivers, lakes, and reservoirs, using a 300 latitud...
this laboratory study simultaneously was conducted to evaluate the resistance to heavy metals, silver, cadmium and a number of commonly used antibiotics. sampling was done in 2014 of the two silver workshops in isfahan, and the inlet of phase 2 of shahin shahr wastewater treatment plant, isfahan. to isolate resistant bacteria to metal silver and cadmium and review multiple resistance to other m...
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