2 A flotation plant treats 5,000 tonnes of ore per hour on a dry basis. For optimum flotation efficiency, the slurry density of ground ore is brought to 38% solids (by wt.) by water addition in the grinding circuit. The density of dry ore is 2.75 tonnes/m3. The residence time of the slurry in a bank of flotation cells is 40 minutes. When the flotation cells are operating, the effective volume of the flotation cell is decreased by 15% due to the volume of air injected continuously for generation of bubbles needed. How much water addition is made in the grinding/classification circuit to prepare the ore for treatment in the flotation circuits? What are the volumetric flow rate of the slurry to flotation circuit in m3 and the number of 100 m3 capacity flotation cells that are required to meet the residence time requirement?
2 A flotation plant treats 5,000 tonnes of ore per hour on a dry basis. For optimum flotation efficiency, the slurry density of ground ore is brought to 38% solids (by wt.) by water addition in the grinding circuit. The density of dry ore is 2.75 tonnes/m3. The residence time of the slurry in a bank of flotation cells is 40 minutes. When the flotation cells are operating, the effective volume of the flotation cell is decreased by 15% due to the volume of air injected continuously for generation of bubbles needed. How much water addition is made in the grinding/classification circuit to prepare the ore for treatment in the flotation circuits? What are the volumetric flow rate of the slurry to flotation circuit in m3 and the number of 100 m3 capacity flotation cells that are required to meet the residence time requirement?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A flotation plant treats 5,000 tonnes of ore per hour on a dry basis. For optimum flotation efficiency, the slurry density of ground ore is brought to 38% solids (by wt.) by water addition in the grinding circuit. The density of dry ore is 2.75 tonnes/m3. The residence time of the slurry in a bank of flotation cells is 40 minutes. When the flotation cells are operating, the effective volume of the flotation cell is decreased by 15% due to the volume of air injected continuously for generation of bubbles needed.
How much water addition is made in the grinding/classification circuit to prepare the ore for treatment in the flotation circuits?
What are the volumetric flow rate of the slurry to flotation circuit in m3 and the number of 100 m3 capacity flotation cells that are required to meet the residence time requirement?
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