Solid Waste Engineering
3rd Edition
ISBN: 9781305635203
Author: Worrell, William A.
Publisher: Cengage Learning,
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Chapter 6, Problem 6.3P
To determine
The empirical formula for the organic fraction of refuse and the theoretical production of methane from this hypothetical compound.
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Agitate the sieves by hand or by mechanical apparatus for a sufficient period. The criterion for sieving time is that, after completion, not more than 1% of the residue on any individual sieve will pass that sieve during 1 minute of continuous hand sieving.
Chapter 6 Solutions
Solid Waste Engineering
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- 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 CH4arrow_forwardIf the BOD4 of a waste is 200.0 mg/L and the ultimate BOD is 270.0 mg/L, what is the rate constant at 10⁰C.arrow_forwardA solid waste exhibits the characteristic of toxicity if it contains an elevated level of a toxicity contaminant. What is the purpose of TCLP test? Write down the brief procedure for carrying out TCLP test on solid samples.arrow_forward
- Read the question carefully and Give me right solution. The fractional collection efficiencies with weight distribution in the given particle size range. ranges are given below for collector, in percent: device A, 10-20 micron-40 percent, 20-30 micron - 64 percent, 30-40 micron - 72 percent, 40-50 micron- 80 percent, and 50-80 micron - 92percent. Determine the overall collection efficiency based on mass for device A.arrow_forwardFor the sample of solid wastes with the typical comp osition given in the following Table component Food Раper Card Plastic Textile Rubber Leath Garden Wood Glass Tin Non Ferro- Drift waste board trimmin er cans us ferrous -gs metals ashes metals bric k.etc Moisture 15 6 2 2 10 60 20 3 2 3 content % Dry 4.5 37.6 3.8 2.9 1.8 0.5 0.4 4.8 1.6 7.8 5.8 1.0 1.9 3.7 weight, Ib Determine : Moisture content of Textile (X) waste if the Overall moisture content ( 21.9 %).arrow_forwardA waste has an ultimate BOD of 1,000 mg/L and a kL of 0.1/day. What is its 5-day BOD?arrow_forward
- An effluent stream sample (500 mL) from a metal-working facility contains 0.52 g nickel sulphate. (i) What is the nickel concentration of this effluent stream (in mg/L)? (ii) Would you regard this concentration as suitable for discharge to the local sewage system? (iii) How much total nickel (in kg) leaves the facility per year in this stream if ~1 ML of effluent is produced?arrow_forwardWhich parameters may have effect on the bulk density of municipal solid wastes? Explain it by giving examplesarrow_forwardDescribe the physical, chemical and biological components of solid wastesarrow_forward
- The composition of a certain MSW sample and specific weights of its various components are given below: Component Food waste Dirt and ash Plastics Per cent Specific by weight weight (kg/m³) 50 30 10 10 300 500 65 125 Wood and yard waste Specific weight (kg/m³) of the MSW sample isarrow_forwardQ2/ Calculate the moisture content on wet and dry basis for the typical composition of municipal solid waste for Kirkuk city Weight percentage Water component content % Food waste 60% 70 Plastic 12% 2 Metal 5% 3 Раper 8% 5 Textiles 4% 10 Glass 3% other 8%arrow_forwardA standard BOD test is run using seeded dilution water. The blank bottle containing the seeded dilution water has an initial DO of 9.2 mg/L and a final DO of 8.2 mg/L. The waste sample is mixed with seeded dilution water at a 1:25 ratio. It has an initial DO of 9.0 mg/L and a final DO of 2.0 mg/L. Calculate the BOD5.arrow_forward
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