CH-1652
Surface area
Chemistry · Secondary 4 · Hard · Surface area
A packed bed scrubber contains many small beads over which waste gas flows. Why does adding these beads increase the efficiency of sulfur dioxide removal?
- They increase the surface area for gas–liquid contact, allowing more to react per second.
- They decrease the volume of the chamber so the gas moves faster and escapes.
- They cool the gas so that condenses instead of reacting.
- They absorb physically without any reaction taking place.
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