Everything you need to know about water and wastewater microbiology. Some of the most frequently asked questions are as follows:- Q.1. Why do ocean estuaries fed by rivers have higher microbial counts than other shoreline waters? Ans: Ocean estuaries have a higher nutrient level. Q.2. Give two main characteristics of aquatic bacteria. Ans: (1) Bacteria whose main habitat is water [...]
The two methods for the analysis of drinking water for coliforms are as follows:- 1. MPN (Most probable number) test. 2. Membrane filtration test. Method # 1 For MPN Three Tests are Done: These are presumptive test, confirmed test and completed test. For presumptive test the lactose broth is inoculated and incubated for 24 to 48 hours. Production of gas [...]
Everything you need to know about water and wastewater microbiology. Some of the frequently asked exam questions are as follows:- Q.1. Give the steps of typical sewage treatment plant are as given below Ans: The steps adopted in a typical sewage treatment plant are as given below: (i) Primary treatment which comprises two parts: (a) Screening, skimming and grinding of [...]