8863-2.F98 - Mississippi State University Department of...

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Mississippi State University Department of Civil Engineering CE 8863: Solid Waste Management Fall 1998 Exam 2 Name: Note: ▸ On separate paper, clearly show all work and define all answers. ▸ Using this paper as a cover sheet, present answers and solutions in numeric order ▸ All problems are of equal value toward the test grade. 1. List and briefly discuss: a. Two major factors which retard the efficiency of an incinerator. b. Six siting criteria for a landfill. c. Four advantages MRFs have over source segregation of wastes. d. Three factors which limit the growth of vegetation on landfills. e. Three closure/post-closure activities. 2. Briefly answer each of the following questions: a. When developing a drop-off recycling center, what issues should be addressed? b. Why is it undesireable to allow scrap tires into landfills? c. What is landfill gas is, when would the production rate be the highest, and how should it be managed if it becomes significant? d. What factors should be taken into account in comparing the cost of using a transfer station as opposed to directly hauling waste to the landfill? e. What is landfill leachate, when is the production rate the highest, and how should it be managed if it becomes significant? 3. A mixed paper waste stream can be characterized by the following formula: C 92 H 12 O 85 N 1 S 1 . It has an energy content of about 6,500 Btu/lb, as discarded. Assuming 100 tons per day are to be burned in a MSW incinerator which
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This note was uploaded on 06/12/2011 for the course CE 8863 taught by Professor Truax during the Spring '11 term at Mississippi State.

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8863-2.F98 - Mississippi State University Department of...

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