1. Intake with screen removes floating, large solid impurities. The removed solids are called screenings, and they are treated and disposed as solid wastes. Mixing tank is where coagulants such as alum, aluminium sulfate, ferric chloride, ferrous sulfate or lime are mixed with raw water (Al-Najar), there is no waste stream generated from mixing tank since the process is quick and there is no time to settle. In, the flocculator slow mixing occurs to allows for floc formation, the chemicals added in mixing tank promote this process. Flocculated suspended impurities settle sooner due to their large size and mass. ...
Essays on Nitrification
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Increasing concentrations of nitrogen in the environment, a phenomenon called as nitrogen saturation occurs when the inorganic nitrogen levels exceeds the demand by organisms and plants. Increased concentrations of nitrogen have detrimental impact on the air quality, owing to the oxidizing capacity of nitrogen oxides and their function in the formation of ozone layer . Excessive nitrogen deposition causes an increase in foliar nitrogen content, which subsequently leads to increase in tree growth . Other negative effects on the ecosystem are frost-hardiness in conifer trees in the presence of large doses of nitrogen. Excessive nitrogen concentrations may also lead to tree ...
The objective of this experiment was to prepare Beer-Lambert calibration curves for different forms of nitrogen and to determine the concentration of nitrate, nitrite, and ammonia ions in different water samples from the Biscayne Bay.
Introduction
Nitrogen is the most abundant element in the Earth atmosphere. In is not surprising that it is one of the most crucial elements not only to human life but all life on our planet. The chemistry of nitrogen is rather diverse because it can exist in different oxidation levels – from +3 to -5. Due to its large impact on the biosphere, the circulation of ...
Introduction:
Corrosion refers to the partial and gradual dissolution of materials used in water treatment and supply systems, pumps, pipes, tanks and valves. In most circumstances, almost all water is corrosive and this may lead to structural failure, water leaks, capacity losses and deterioration of the microbial and chemical water quality (WHO 2011). The pipes used in water distribution are made of different materials such as plastic, metals (galvanized steel, copper, lead and iron), and even concrete. Pipes made from concrete and plastic tend to be corrosion resistant. In piping systems, however, there are several water quality factors working singly ...
Introduction
A scientific study was conducted to evaluate the effects of crude oil on different nitrifying prokaryotes. The researchers utilized ammonia-oxidizing bacteria and archaea to develop a bioassay. The study evaluated the ecological responses of these two groups of microorganisms on marine oil spills. Researchers found inhibition of nitrite production in all tested ammonia-oxidizing micro-organisms. The paper highlights the impact of crude oil spills on the environment. The paper also demonstrates the effects of phytoremediation to treat the oil spills. Many scientific studies had been conducted to evaluate the effects of phytoremediation (Using Nitrosopumilus maritimus and Nitrosococcus oceani) for crude oil ...