for scrubber
Ca(OH)2 + SO2-------->CaSO3+H2O dry srubbing:
CaCO3+O2--->CaO+CO2
CaO+SO2-------CaSO3
wet srubbing:
CaO+H2O------Ca(OH)2
Ca(OH)2+SO2---->CaSO3+H2O 45.
polystyrene is formed by additional polymerization
pretty obvious, 3 is incorrect 我想知點解d pp d mc有d selection有 tick 係上面
但tick果d有時係錯gor wor[]
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