slurry of sediment dredged from a reservoir consists of 14% solids by mass. The slurry also has a density of 1175 kg/m'. After placing 5000 gallons of the slurry in a lined pond and allowing the solids to settle, 2200 gallons of the supernatant (the clear liquid on top) is removed for further treatment, and the remaining sludge at the bottom of the pond is resuspended and sent to a belt press for further treatment. a) In the original slurry, what was the mass concentration of solids (mg/L)? b) Assume the settling process doesn't change the total volume, and compute the volume of concentrated slurry remaining in the bottom of the pond. c) What are the mass concentration and percent solids in the final concentrated slurry?
slurry of sediment dredged from a reservoir consists of 14% solids by mass. The slurry also has a density of 1175 kg/m'. After placing 5000 gallons of the slurry in a lined pond and allowing the solids to settle, 2200 gallons of the supernatant (the clear liquid on top) is removed for further treatment, and the remaining sludge at the bottom of the pond is resuspended and sent to a belt press for further treatment. a) In the original slurry, what was the mass concentration of solids (mg/L)? b) Assume the settling process doesn't change the total volume, and compute the volume of concentrated slurry remaining in the bottom of the pond. c) What are the mass concentration and percent solids in the final concentrated slurry?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A slurry of sediment dredged from a reservoir consists of 14% solids by mass. The slurry also has a density of 1175 kg/m'. After placing 5000 gallons of the slurry in a lined pond and allowing the solids to settle, 2200 gallons of the supernatant (the clear liquid on top) is removed for further treatment, and the remaining sludge at the bottom of the pond is resuspended and sent to a belt press for further treatment.
a) In the original slurry, what was the mass concentration of solids (mg/L)?
b) Assume the settling process doesn't change the total volume, and compute the volume of concentrated slurry remaining in the bottom of the pond.
c) What are the mass concentration and percent solids in the final concentrated slurry?
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