What is the primary purpose of a grit chamber in the preliminary treatment phase of a wastewater treatment plant?
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A
To remove large solid objects like rags, plastics, and sticks.
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B
To allow for the settling of organic solids and reduce BOD.
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C
To remove heavy, abrasive inorganic particles like sand and gravel.
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D
To shred and grind large solids into smaller, more uniform pieces.