Tuesday, April 24, 2018

Past examination paper 201617

Q: A3, which parameter would be the most important? what about the parameters not mentioned in the treatment or process? 

A: Importance of parameter depends on the parameter itself and the target microbe, no strict rules. The parameters not mentioned may remain the same, but changing one thing may have multiple effects and change other parameter. for example, adding salt changes also the water activities, or removing oxygen would change also the Redox.

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