Question Detail
Question
What is a major disadvantage of using water distillers for purification?
Correct Answer
Option C is the correct answer.
Detailed Explanation
Page 51 lists disadvantages including, 'A significant amount of wastewater is generated' and 'High energy costs: water distillers need energy to heat water up over several hours at a time, they are therefore not the most energy-efficient water purification solutions available.'
Hint
Consider the resources consumed and waste produced by the distillation process.