Every year a threatening amount of lives are lost due to sanitation and water problems. This number can be considered more significant than that of war, and hence, it is the world’s biggest issue. Around 48% of the world’s population does not have access to proper sewage treatment, and even if it does, there are several problems related to sewage like pollution, health risk, environmental harm, etc.
Population growth is also an essential factor to be considered. It has led to higher production of wastewater; hence, it is the need of the hour to produce more cost-effective wastewater treatments.
A recently published report has suggested a new method that could make the sewage system more efficient while also reducing costs. This new method may be considered as an important development in the Sewage Treatment Facilities Industry Market.
The fundamental problem that is faced is the requirement of having two separate reactors. One of the reactors is used to remove nitrogen from the ammonia, and the second one is used to remove phosphorous from phosphates. It makes most of the existing sewage systems cumbersome and inefficient.
Sewage treatments containing only one – reactor would not help as different microbes in the same reactor will be forced to compete for resources, making it rather challenging to maintain balance in the system and achieve satisfactory efficiency levels.
To answer this problem, the research team has discovered a new bacterium strain known as Thauera sp. Strain (SND5), and it could be used to remove nitrogen and phosphorous from sewage.
This strain was coincidently discovered while the team was conducting routine monitoring at a wastewater plant in Singapore. The team realized that the bacteria remove nitrogen and phosphorous from the plant’s aerobic tanks was absent, and yet the tank was free from both the chemicals.
The team conducted a series of tests on several different bacterial strains in isolation with the wastewater. They sequenced and compared the bacterium genes to related bacteria in a global database and found the new strain to be the cause of all.
After further tests, the researchers realized that SND5 is not only capable of removing both nitrogen and phosphorous, but it can also do the task faster. Moreover, it can convert ammonia into nitrogen gas instead of nitrous oxide, which is a potent greenhouse gas released by some existing systems.
It has been premeditated that this new bacterium would reduce electric power usage in wastewater treatment by 62% as it has a lower oxygen demand than the existing techniques.
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