Review the Reading Assignment titled as "Flue Gas Desulfurization: The State of the Art" by Srivastava and Jozewicz. In your review:

• Write an overview of the article.
• Describe flue gas desulfurization (FGD) at coal-fired power plants and why it is used.
• Explain the details of one once-through process and one regenerable process.
• Summarize the section titled "The MEL [magnesium enhanced slurry] Cost Model."
• Discuss how the article is useful to a pollution prevention manager.
• Conduct an Internet search to explain the concept of Best Available Technology (BAT) and whether any of the FGD processes described in the article are considered BATs.