C. A plan of landfill cell is shown in the figure below, in which AB is a leachate collection pipe. The bottom of the cell has a 2% slope with a peak leachate generation rate of 0.943 in/day. The slope of the pipe is 1%. Approximately 200 ft of waste with a unit weight of y waste =70 pcf is placed on the pipe. Design an HDPE perforated pipe to meet drainage and mechanical requirements. E ↑ 45 ft A 80 ft D 5⁰ 2% 2%↑ 1% 500 ft 2% 2% B

Choose the correct answer Which of the following can be used to determine the transport velocity of landfill leachate in subsurface? A.Darcy’s law;   B. Henry’s law;                       C. Mass balance;         D. Langmuir model Which of the following descriptions is NOT correct at 1 atm and 0oC? 200 g CO2, 200 g CH4, and 200 g N2O gases have the same volumes; 200 moles CO2, 200 moles CH4, and 200 moles N2O gases have the same volumes; 1 mole CO2 gas has a volume of 22.4 L; CO2 has a lower global warming potential than CH4

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Plastic pollution - Word res Mailings Review View Help Tell me what you want to c Aa - 令|=、而,。 AaBbCcDc aby . A 1 Normal Paragraph Q1 A) how to change the properties of bitumen using plastic waste? B) use of plastic waste for road construction?

Define the term “field capacity of solid waste”.

Secure landfills require all but ONE of the following? a. Single liners b. Ground water monitoring C. Financial guarantees for post closure activities d. A Leachate collection system

According to the Worrell and associates, the bulk density of refuse compacted in a landfill without cover ranges from__. lb/yd³. 600 to 900 750-1250 150 to 250 1200 to 1400

Estimate the life of a landfill for a user population of 10,000. The available area for the are-type landfill is 10 acres. The water table is estimated at 6.1m(20ft) below the ground surface. The pit must have side slope of 1:3 and the final surface must have a slope of 1:4. Assume that soil (used as daily cover) occupies 20% of the compacted volume of waste

If the bicarbonate concentration of a leachate is 1000 mg/L and the pH measured in the field is found to be 5.8, estimate the partial pressure of the carbon dioxide within the landfill.

3. Waste isolation from the environment can be accomplished by a base lining system. In developed countries landfill regulations typically require a composite liner at the landfill base. Composite liners are affordable and can also be used for landfilloperations in developing countries. True False