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- Environmental factors that could lead to failure of water treatment plant?I just did an acute toxicity experiment using treated and non-treated effluents with daphnia magna and my mortality rate was higher in the treated effluent. My question is why is treated pulp effluent more harmful than non-treated pulp effluent on daphnia magna? If possible please provide links for references, this is not an easy topic to find.1. a) State three (3) advantages and three (3) disadvantages of withdrawing groundwater.
- There is quite a bit of concern that chlorine used as a water purifi cation chemical presents serious dangers. What alternative methods covered by this chapter could be used to purify water supplies and keep them safe from contamination?Can culture media be sterilized in the hot air sterilizer? Why or why not? (Answer in not more than 5 sentences)Describe, in order, the 6 steps of cleaning drinking water (filtration, flocculation, corrosion inhibitor, coagulation, chlorination, and sedimentation).
- vSludge that has been completely combined with water is recycled activated sludge.What are the system's operational issues?Define the meaning of Surface sterilization of explants Surface sterilization of explantsWhich of the following statements regarding low temperature storage is FALSE? Question options: all of these statements are TRUE refigeration inhibits microbes through the unavailability of water low temperature storage the metabolic rate of microbes many bacteria can survive freezing for years at a time psychrophiles are generally not effectively inhibited by refrigeration freezing causes microbial death through membrane destruction
- Good day! Could you help me answer the question: What are the primary limitations imposed by using Hanging-drop method (or Wet mount) to observe microorganisms? State at least two (2) accounts with explanation. Thank you!Source: http://www.hrrsa.org/tours/virtual-tour Questions refer to the treatment of the liquid waste water. How is the activated sludge removed? Why does the treatment facility add chlorine to the water? What is the purpose of aerating the water before it is released?Surface and Sub-surface drip lines apply the water only where it is used and therefore weeds are much less of a problem. Why?