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Questions and Answers
How is bottled CO2 applied to wastewater and what is its purpose?
Bottled CO2 is applied to wastewater in a similar way to compressed air applied to activated-sludge basins. Its purpose is to neutralize alkaline wastes by forming a weak acid (carbonic acid) when dissolved in water.
What is the alternative method to produce carbon dioxide mentioned in the text, and in what context has it been used?
The alternative method to produce carbon dioxide is submerged combustion, which has been used in the disposal of nylon wastes.
What are the operating difficulties associated with the use of bottled CO2 in wastewater treatment?
The text mentions that the cost of using bottled CO2 may be prohibitive, particularly when the quantity of alkaline wastes is large.
What is the principle behind the neutralization of alkaline wastes using bottled CO2?
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