1.From the material balance,it is indicated that,after treatment of smoke gasdescribed as above,SO_2only 5.7kg/h and Cl_2(and HCl)3.1kg/h in tail gas which isfar low than national discharg standard,4850 ton 70% sulfuric acid can be annuallyrecovered from the gas.
2.To 2000 year the would still be add up to 5877.7 thousand ton of standard coal and there a shortage of 1142.3 thousand ton of standard coal beside exploitable energy re- source.