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Microbiological considerations when evaluating a biological waste treatment plant

12/21/2016

 
Biological wastewater treatment plants are a mini-ecosystem with multiple interactions between billions of bacteria, protozoa, metazoa and potentially other microbial forms. At any time, the populations shift and adjust to new influents, temperatures, pH, oxygen availability, macronutrients, sunlight and really anything that enters or influences the biomass. Instead of just calling it - the bugs as if it were one single item, consider the ecological chaos of a natural environment. We just have to control the environment to get the treatment results we need. Here are some basic considerations when evaluating a biomass:
  • Nutritional requirments of the microbes (Heterotrophs, Chemotrophs, Autotrophs)
  • Environmental factors that impact growth (temp, pH, alkalinity, D.O.)
  • Metabolism and byproducts/intermediates of metabolism
  • Relationship between growth (new cells) and substrate utilization

While my above list is short, it makes for a very complex puzzle when you consider how each organisms responds to the above inputs.

resume writers link
5/12/2018 07:44:31 am

I am happy to see that a lot of people are still very eager to find ways on how to make our water system be back on its usual system. Nowadays, the system has been unorganized, making it dirty and very unnatural already. With so many bacterias that can affect our water system, we should always be mindful if we are contributing for something better or for worse. We should be mindful of our contribution to our environment!


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    Author

    Erik Rumbaugh has been involved in biological waste treatment for over 20 years. He has worked with industrial and municipal wastewater  facilities to ensure optimal performance of their treatment systems. He is a founder of Aster Bio (www.asterbio.com) specializing in biological waste treatment.

    View my profile on LinkedIn

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