In fixed-bed leaching, how it can be leached please mention one or two only.
Q: List two methods of high level disinfection.
A: The major difference between sterilization and disinfection is that sterilization involves the…
Q: Explain why, to the best of our knowledge, most microorganisms resist culturing in the laboratory
A: Prokaryotes are the primitive organisms that were the first to develop and harness life on Earth.…
Q: Which of the following is NOT a chemical method of microbial control? a) refrigeration b) ethyl…
A: In order to stop the spread of infections and diseases, microbes must be under control. Thereby…
Q: Microorganisms are often grouped according to their optimum growth temperatures. Which groups are…
A: Bacteria spoil refrigerated foods.
Q: Which concentration of alcohol is the most effective germicide?a) 100% b) 75% c)…
A: The agent used to kill microorganisms or germs is called germicide. Germs can be microscopic…
Q: During secondary treatment or biological treatment which of the following do not happen (1) Decrease…
A: Secondary wastewater purification systems use microorganisms to remove contaminants from…
Q: Which of the media types would predict is used to detect possible fecal contamination of water in…
A: The fecal contamination of water in Puget sound comes from sources like marine effluent discharge,…
Q: Physical methods of sterilization include :
A: disclaimer: since you have posted multiple questions we have answered the first question for you. if…
Q: Why does secondary treatment of wastewater require O2?
A: Secondary treatment is a part of wastewater disposal system, where the sewage or other waste waters…
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: What is the significance of finding coliforms in drinking water?
A: Some living organisms cannot be visible by the naked eye and only can be seen under the microscope.…
Q: What is e-waste, and why is it a growing concern?
A: E-WasteE-waste is defined as the waste released by the selling and purchasing of electronic…
Q: Why must you exercise caution when handling raw sewagesamples?
A: Answer: Introduction: Raw sewage means a water comprising excrement, wastes products like plastic,…
Q: What advantages does the anammoxprocess have over classical wastewater treatments for N removal?
A: Anammox (anaerobic ammonium oxidation is a reaction that oxidizes ammonium to dinitrogen gas using…
Q: If we are to rely on microorganisms to biodegrade wastes in landfills,aquatic habitats, and soil,…
A: Landfills refer to the dumping ground or garbage dump. It is the site where waste material is…
Q: Why is heat an effective sterilizing agent?
A: Heat Energy : It is a form of energy which takes place by the movement of the minute particles…
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: What temperature is considered adequate for achieving sterilization of a compost pile?
A: temperature considered for achieving sterilization of a compost pile is 135-160 F. At a…
Q: Name the thing which is not used for disinfection of drinking water.
A: Water from natural water bodies contains various disease-causing germs or pathogens which can cause…
Q: How does Efficient waste management improve aqua culture production
A: Environmental Biology is a branch of science that is the junction of environmental science, ecology,…
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: If a yellow halo is present around a colony on a mannitol salt agar (MSA) plate, the bacterium…
A: Manitol Salt Agar (MSA) in used in lab, mostly for selective and differential growth of microbial…
Q: Describe situations that require high-level disinfection and thosefor which medium- or low-level…
A: Step 1 Disinfection involves the use of a chemical sterilant or agent to eliminate virtually all…
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: 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: Name the secondary pollutant.
A: Pollution is introduction of any substance which causes undesirable disturbances in the environment/…
Q: Why should caps of glassware be loosened first before sterilization? [Answer in not more than 2…
A: Sterilization is defined as the process which removes , kills or deactivates all forms of life (in…
Q: Give a brief but critical discussion about microbial growth in natural environments and how it…
A: Living creatures reproduce and grow. Microbes become metabolically active and proliferate when they…
Q: Why is Escherichia coli used as an indicator organism inmicrobial analyses of water?
A: The well-known gram-negative bacteria are E. coli (Escherichia coli).
Q: Propose a confirmatory procedure that will determine if the microbial growth recovered from canned…
A: A microbe is a living entity that is so tiny that it cannot be seen with the naked eye. Microbiology…
Q: Which microbial control agent would most effectively inhibit anaerobes and why
A: Hydrogen Peroxide
Q: Leachate production is what
A: A leachate is any liquid that, extracts soluble or suspended solids from the material through which…
Q: When would tertiary treatment of wastewater be necessary ?
A: Water is the important natural resources.Water treatment is done in order to reuse the water again…
Q: ow can one be sure that the culture media are sterile or free from contamination
A: Sterility, often known as sterility, is the state of being free of all contaminants and…
Q: Sources of Microplastics.
A: Microplastics are tiny plastic fragments generally measuring less than 5 mm in size. Microplastics…
Q: Coliforms are commonly used as an indicator of drinking water quality. As we discussed, in March and…
A: The Coliforms are commonly used to indicate drinking water quality. In March and April of 1993 there…
Q: Other than treated water, what are the final products ofwastewater treatment? How might these end…
A: Wastewater treatment involves multistep process of primary treatment, secondary treatment and…
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: Explain why desiccation and cold are not reliable methods of disinfectionbut how they can still be…
A: Sterilization is a technique that removes, kills, or deactivates all forms of life and other…
Q: If you suspect that your microbial culture growing in nutrient broth is contaminated, what can you…
A: The contamination refers to the growth of one or more undesired cultures in your pure sample. It can…
Q: List 2 non-chemical means of disinfection.
A: Disinfection refers to the process by which most pathogenic disease-causing microorganisms, except…
In fixed-bed leaching, how it can be leached please mention one or two only.
Step by step
Solved in 2 steps
- List three characteristics required of a good sewage indicator:Microorganisms are used in the nitrogen removal process. Discuss why it isn't part of the secondary treatment, often known as biological water treatment.Why is secondary treatment of water in sewage treatment plant called biological treatment?
- Given its merits, why has advanced wastewatertreatment not been widely adopted?Which of the following treatments of sewage involves the use of anaerobic bacteria?A. Primary sedimentation tanksB. Aeration tanks in secondary treatmentC. Settling tanks in secondary treatmentD. Flat plate collectorE. Sludge digesterWhy does secondary treatment of wastewater require O2? A. Secondary treatment relies on anaerobic microbes to oxidize organic material. B.Secondary treatment relies on anaerobic microbes to reduce organic material. C.Secondary treatment relies on aerobic microbes to oxidize organic material. D.Photosynthetic bacteria are involved in secondary treatment and they require O2. E. Flocs require oxygen to facilitate biofilm formation.