Which of the following treatments of sewage involves the use of anaerobic bacteria? A. Primary sedimentation tanks B. Aeration tanks in secondary treatment C. Settling tanks in secondary treatment D. Flat plate collector E. Sludge digester

Q: 1. Describe organisms that are used to determine fecal contamination of water.

A: Introduction :  Fecal pollution of water is the water contamination caused by disease-causing…

Q: What personal efforts can you and others commit to reduce the number of plastic bottles that end up…

A: As per the Bartleby answering policy, I answered the first question. Kindly post the remaining…

Q: Advanced treatment is often designed to removea) BOD.b) nitrates and phosphates.c) bacteria.d)…

A: Water that is contaminated due to human use converted into waste one which contains physical,…

Q: What is the key difference between primary and secondary sewage treatment?

A: The sewage treatment is the process of removing contaminants from wastewater containing household…

Q: Which of the following is not a matching pair?a) Potable water—presence of pathogensb) High BOD—high…

A: Filamentous bulking refers to the uncontrolled growth of filamentous bacteria. Primary treatment…

Q: Which of the following is not a stage in purification of drinking water?a. filtration b.…

A: Sewage or waste water is the water which is polluted by the human population by the action of…

Q: As a water treatment expert, please clearly highlight the potential limitation of the treatment…

A: Wastewater treatment involves removal of harmful contaminants from the wastewater or sewage water…

Q: a) What is the consequence of discharging larger volumes of sewage that is untreated into a river?…

A: Introduction: Wastewater treatment has been used for a variety of purposes such as removing the…

Q: What is an advantage of deep-well disposal of liquid hazardous wastes? O Liquid wastes are safer…

A: Hazardous waste are the waste which are noxious in nature and it's exposure may leads to life…

Q: How does treatment of drinking water and sewage vary in purposeand techniques?

A: Drinking water treatment is done on raw water to make it pure enough for human consumption by…

Q: What are the various constituents of domestic sewage? Discuss theeffects of sewage discharge on a…

A: Domestic sewage is characterized by waste water that discharged from the residential areas.

Q: Describe the three stages of sewage treatment.

A: Sewage water is the wastewater produced after the household uses, industrial uses, and purposes. So,…

Q: Why is secondary wastewater treatment referred to as biological approach?

A: Secondary wastewater treatment uses useless water or sewage water for quality up-gradation of water…

Q: A) What are the main reasons of food poisoning?

A: As per our guidelines, we are supposed to answer only one question. Kindly repost the other question…

Q: In fixed-bed leaching, how it can be leached please mention one or two only.

A: Asked : Fixed-bed leaching

Q: Activated sludge should have the ability to settle quickly so that it can: a. be rapidly pumped…

A: The correct answer is (a)  Activated sludge should have the ability to settle quickly so that it can…

Q: What role do biofilms play in trickling filters?

A: Wastewater treatment is an interaction used to eliminate impurities from wastewater or sewage and…

Q: Identify the microorganism/ group of microorganisms involved in the spoilage of the following food:…

A: Spoilage of food products causes great harm to the manufacturer and also to the people consuming it…

Q: Environmental factors that could lead to failure of water treatment plant?

A: water treatment plants are those large scale equipments which helps in clearing and sterilizing…

Q: Discuss briefly the following: (a) Radioactive wastes (b) Defunct ships and e-wastes (c) Municipal…

A: (1) Radioactive wastes: Radioactive wastes are created as a result of the nuclear energy production…

Q: State the purpose and importance of each process step in wastewater treatment.

A: Wastewater treatment: It is the process of converting wastewater that is of no use into an effluent…

Q: I and V

A: Liquor : an alcoholic drink that is distilled from grains or plants, such as rum, vodka, gin or…

Q: Name a non biodegradable pesticide.

A: Non biodegradable indicates the property of a substance which cant be decompose either by bacteria,…

Q: Describe any two (2) types of nitrogenous waste.

A: Nitrogenous wastes, also known as nitrogen wastes, are nitrogen compounds that are produced by…

Q: a. The name of each level of treatment. b. A description of the type of treatment used at each…

A: Wastewater is the waste discharge of water from various sources like household, industrial and storm…

Q: What are the causes of poor solid waste management in your community

A: Solid-waste management involves the collecting, treating, and disposing of solid material, which is…

Q: Which of the following microorganisms require the major available (aW) of water to proliferate?

A: aW is the water activity, is the measurement of available water. 0.62 is the minimum requirement for…

Q: List three characteristics required of a good sewage indicator:

A: Fecal coliforms are the most widely used sewage indicator organisms. They are commonly used to…

Q: A given municipal wastewater can be treated with the following methods. N + AS, Activated sludge…

A: Lime It works as a neutralizer and precipitant of chrome, copper, and heavy metals present in…

Q: Discuss briefly the following:(a) Radioactive wastes(b) Defunct ships and e-wastes(c) Municipal…

A: Radioactive waste Radioactive waste is a type of waste that is very hazardous due to the presence…

Q: Why do  meat packaging plants have to process/pretreat their wastewater before sending it into the…

A: Meatpacking refers to the process of turning livestock into the meat. The meat packaging plants or…

Q: Every year, supposedly safe municipal water supplies cause outbreaks of enteric illness. Using the…

A: Contamination of the public water supply in Milwaukee during March and April 1993 resulted in a…

Q: Leachate production is what

A: A leachate is any liquid that, extracts soluble or suspended solids from the material through which…

Q: Which of the following bacteria would be the most accurate indicatorof fecal contamination?a.…

A: Some basic factors, which contribute to our good health are balanced diet, personal hygiene and…

Q: Which of the following would you expect if you let surfaces stay wet for 5 minutes instead of 10…

A: Medical disinfectants: Reducing the chances of healthcare-associated infections in health care…

Q: Filtration to remove protozoa occurs in:   Question 5 options:   A)  anaerobic sludge digestion.…

A: Protozoa are single-celled eukaryotes that are either free-living or parasitic feeding on organic…

Q: Process where waste materials are digested by microorganisms is called Which term is appropriate for…

A: Microorganisms are the small organism which can be seen by naked eyes and cause diseases. Not all…

Q: Why is secondary treatment of water in sewage treatment plant called biological treatment?

A: The wastewater is mainly treated in two stages, primary and secondary. The third or tertiary stage…

Q: Wastewater from a local hospital were being treated in a general wastewater treatment plant (WWTP)…

A: Waste management is an important element of environmental protection. Its purpose is to provide…

Q: Choose the correct answer. Encircle the letter of the correct answer. 1.) These processes involve a…

A: Encircle the letter of the correct answer. 1.) These processes involve a change in the physical…

Q: In controlling and eliminating of infectious agents in reusable supplies,w hat process should be…

A: In healthcare settings, infectious pathogens are more prominent and to prevent them all the…