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Why Healthy Bacteria Are Important In The Treatment Of Wastewater





Any wastewater is polluted with various biological agents like protozoa, bacteria, fungi, viruses, roundworms and flatworms. Out of these microorganisms, the pathogenic bacteria like pneumonia, Escherichia coli, Enterococcus faecalis, Pseudomonas aeruginosa, Enterobacter cloacae etc. carry the gravest epidemiological risk. Wastewater carries many pathogenic bacteria, which affects the people with a weak immune system.

To get rid of these microorganisms, Biological wastewater treatment is the common sanitation method followed. In this technology, bacteria in distribution network are used in the treatment and purification of the polluted water. Treating of wastewater is essential for human health to safeguard the environment. Introducing bacteria in water treatment plant accelerates the treatment of pollution and avoid diffusion of diseases. Thanks to the use of bacteria in distribution network, as they are a source of energy which grows and multiplies rapidly. Ultimately the wastewater treatment plant is like a farmhouse where the microorganisms grow on a large scale.

Ways to Improve the Treatment Efficiency of Waste Water

- Removing the fats and oils in water liable for habitat deficiency – The lipophilic bacteria, which is focused on degradation of animal and vegetable fats is used in the wastewater treatment plants. These bacteria also easily adapt to the recent treatment systems. There are products available in the market, which is completely natural, and has the ability to dissolve the fats and sludge and remove colour of raw water. While some bacteria are specialised in breaking down the fats, which could degrade about 300,000 mg/L.

- Intensifying the presence of good bacteria – This technique involves injecting a suitable substratum and carefully chosen bacteria for effectiveness. This process brings quick results and improves purification on the systems like – Thrickling filter, Biofilters, Natural and artificial lagoons and ponds, Rotating biological contactors etc.

- Including bacteria in the treatment of cold or hot water – It is a well-known fact that micro-organisms generally grow rapidly at higher temperatures, up to 38°c max. Also, the development of micro-organisms gets slow or nil below 5°C. These bacteria must be treated when it exists in the cold water or in extreme temperatures, as they cannot survive under these conditions.

Monitoring the Waste Water

Recently, Sigrist has developed the automatic flow cytometer for the microbiological monitoring of drinking water. The entire system involves everything from measurement and cleaning, is done quick and fully automated. The results are so quick, that they can be glanced in 30 minutes, as it involves the need for repetitive tasks and excludes the time of laboratory staff. The cytometer is compact and detects more than 99% of the bacterial cells easily. This flow cytometer can be controlled automatically or manually, and the results can be obtained in analog or digital form.

About Author Belinda Rahme Barakat :

The author carries out research on https://prodetec.com.au/solutions/sigrist-online-analysers/multi-parameter-measurements/modular-complete-systems/bactosense-automatic-flow-cytometer-for-microbiological-monitoring-of-drinking-water" target="_blank">bacteria in distribution network. He is also a blogger who writes on using bacteria in water treatment plant. Visit https://prodetec.com.au/" target="_blank">https://prodetec.com.au/ for more details.


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Article Added on Tuesday, September 29, 2020
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Other Articles by Belinda Rahme Barakat

Why Use Chlorine In Water Treatment
Clean water is one of the important elements of life. Earth has about 1,400 million trillion litres of water available for every living and non-living things. Unfortunately, more than 97.5% is salty, while of the available freshwater, only less than 1% is within the reach of human beings. Well, everyone desires to have clean, pure and tasteless water. Still it can have decontaminators like chlorine which causes foul odours and leaves behind undesirable tastes. Since most of us receive water...

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