Which of the following material of construction may be recommended by a chemical engineer for handling a gaseous chlorine (dry or wet) stream in a fluid flow system ?
Correct answer: D. High silicon iron, silicon rubber, Kel-F and Teflon
- A. Copper, nickel and Monel
- B. Mild steel and stainless steel
- C. Cast iron, tin and aluminium
- D. High silicon iron, silicon rubber, Kel-F and Teflon
Explanation
Wet chlorine is highly corrosive, while dry chlorine also requires carefully selected materials, so high-silicon iron, silicon rubber, Kel-F and Teflon are suitable choices. Mild steel may tolerate dry chlorine under some conditions but is unsafe as a general choice for dry or wet streams.
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