m(FeS2)=(100%-20%).1=0,8(tấn)
4 FeS2 + 11 O2 -to,xt-> 2 Fe2O3 + 8 SO2
\(mSO2\left(LT\right)=\dfrac{0,8.512}{480}=\dfrac{64}{75}\left(tấn\right)\\ \rightarrow mSO2\left(TT\right)=\dfrac{64}{75}.90\%=\dfrac{96}{125}\left(tấn\right)\)
SO2 + 1/2 O2 \(⇌\) SO3
\(mSO3\left(LT\right)=\dfrac{\dfrac{96}{125}.80}{64}=\dfrac{24}{25}\left(tấn\right)\\ mSO3\left(TT\right)=\dfrac{24}{25}.64\%=\dfrac{384}{625}\left(tấn\right)\)
SO3+ H2O -> H2SO4
\(mH2SO4\left(LT\right)=\dfrac{\dfrac{384}{625}.98}{80}=\dfrac{2352}{3125}\left(tấn\right)\\ mH2SO4\left(TT\right)=\dfrac{2352}{3125}.80\%=\dfrac{9408}{15625}\left(tấn\right)\)
=> \(mddH2SO4\left(72\%\right)=\dfrac{\dfrac{9408}{15625}.100}{72}=0,836\left(tấn\right)\)
m(FeS2)=(100%-20%).1=0,8(tấn)
4 FeS2 + 11 O2 -to,xt-> 2 Fe2O3 + 8 SO2
mSO3(LT)=96125.8064=2425(tấn)mSO3(TT)=2425.64%=384625(tấn)���3(��)=96125.8064=2425(�ấ�)���3(��)=2425.64%=384625(�ấ�)
SO3+ H2O -> H2SO4
mddH2SO4(72%)=940815625.10072=0,836(tấn)