نتایج جستجو برای: aeration tank
تعداد نتایج: 18372 فیلتر نتایج به سال:
Intermittent aeration process can be easily applied on the existing activated sludge system and is highly reliable against the loading changes. It can be operated in a relatively simple way as well. Since the moving-bed biofilm reactor method processes pollutants by attaching and securing the microorganisms on the media, the process efficiency can be higher compared to the suspended growth biol...
As the number of leaking underground fuel tank sites with MTBE contamination continues to grow, there is a need to develop cost-effective solutions for treatment of soil and water contamination. MTBE poses special challenges due to its physicochemical properties, in particular high solubility and low Henry’s constant, low affinity for sorption, and very slow rate of microbial degradation. Advan...
During the last decade, more stringent effluent requirements concerning the nutrients effluent values have been imposed by legislation and social concern. In this study, efficiency of total nitrogen removal in activated sludge and trickling filter processes (AS/TF) was investigated in Tehran North wastewater treatment plant. Biological system in this site was included, anoxic selector tank, aer...
Abstract Aeration control is a way to have wastewater treatment plant (WWTP) that uses less energy and produces higher effluent quality meet state federal regulations. The goal of this research develop neural network (NN) ammonia-based aeration (ABAC) focuses on reducing total nitrogen ammonia concentration violations by regulating dissolved oxygen (DO) based the in final tank, rather than main...
In Egypt, there is a growing realization between experts and decision makers that low-cost anaerobic treatment technologies such as the Up-flow septic tank followed by anaerobic baffled reactor is a promising technology. It is characterized by its high organic removal efficiency, simplicity, low capital and maintenance costs. However, anaerobic treatment produces wastewater which is not complyi...
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