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- Which of the following statements related to fracking (hydraulic fracturing) is correct? A. The fracking process does not increase the efficiency and well productivity. B. The fracking process uses very little liquid, and only uses sand. C. The most commonly used liquid for fracking is water with a number of chemicals added that are toxic or cancerogenic. D. If the fracking liquid is returned to the surface, it is already purified by the soil and does not need further treatment. E. Fracking for natural gas is considered a sustainable energy technology due to its high efficiency.The table below shows the water quality results of palm oil mill effluent (POME)which you have analyzed in your laboratory. You are given a task to proposemitigation options for the palm oil mill after interpreting the findings. Interpretthe characteristics of POME and its potential effect on the aquatic system to helpyou in designing the mitigation options. Parameters Value Department of Environment (DOE) Limit pH 3.4 - 4.8 5 - 9 Biochemical Oxygen Demand (BOD) (mg/L) 25,000 - 43,750 100 Chemical Oxygen Demand (COD) (mg/L) 80,000 - 100,000 100 Oil and Grease (mg/L) 4,000 - 5,000 10A given municipal wastewater can be treated with the following methods. N + AS, Activated sludge with pre-denitrificationAS + N Activated sludge with post-denitrificationor UCT (Biological Phosphorus Purification designed at the University of Cape Town) Which process needs the greatest addition of lime? (choose the right answer) AS + N N + AS UCT Everyone needs the same amount of additives
- All of following are monitored or regulated by the EPA EXCEPT disposal of hazardous waste. b. municipal water suppliers. water from private wells. d. treatment and discharge of wastewater. a. C. Please select the best answer from the choices provided O A O D Save and Exit C.List three advantages and three disadvantages of the use of incinerators as part of a solid waste management plan. Advantages : Disadvantages:The activated sludge process was developed from empirical knowledge and is now widely used for wastewater treatment. From a microbial point of view, i. Discuss how the ecology of different sectors of the process can be defined. ii. Design an experiment to understand how an efficient process differs from one with problems, such as sludge bulking.
- design a waste management plan or the steps that should be taken to decontaminate a waste generated from a food chemical industry and a laboratory that handles radioactive materialsWhat personal efforts can you and others commit to reduce the number of plastic bottles that end up in the landfill? Provide at least 2 examples of how to reduce your use of plastic bottles. Describe what leachate is and how it is formed. Be specific in the steps of how it forms. What are the potential health issues of leachate? How could that affect persons living closest to the landfill?Phytoremediation, mycoremediation, bioinventing, biobleaching, landfarming, biorector, composting, bioaugmentation, rhizofiltration, biostimulation are all examples of Bioremediation. Bioremediation means… A. use of natural organisms to clean contaminants B. Determination of the relative strength of a substance by comparing its effect on a test organism with that of a standard preparation C. The removal and examination of tissue, cells, or fluids from the living body D. Having normal biological capability or performance enhanced by or as if by electronic or electromechanical devices
- Elaborate on the industrial processes of water purification and wastewater treatment. In your answer, please explain in detail the theory and practice of each process, similarities and differences between these processes, and describe steps that you would implement to ensure maximum efficiency in each process.Choose the correct answer. Encircle the letter of the correct answer. 1.) These processes involve a change in the physical state of water except: a. Evaporation b. Preciption c. runoff d. transpiration 2.) The following are dangerous contaminants from flood water except: a. Diarrhea b. leptospirosis c. organic chemicals d. viruses 3.) These re process in a water treatment plant except: a. Collection of water from watershed b. Coagulation c. filtration d. sedimentation 4.) Which of the following is the fastest way by which you can get safe drinking water? a. Boiling b. Collecting rainwater c. forest d. watershed and dam 5.) Which of the following does NOT help collect and or store water? a. Aquifer b. Concrete roads and parking lots c. forest d. watershed and damtopic: Materials Selection, Re-use, and Recycle. Answer the following question. 1. List on a hierarchy level from the most important to least the selection criteria on choosing the right materials. 2. How important is the re-use and recycling of materials in the industrial and manufacturing plants setting? 3. Give other criteria in choosing the right material.