Abstract Scope |
In this article, the effect of steam injection on the reduction of dioxin emission was studied in a commercial sintering plant of Shougang Group. Some conclusions could be obtained: 1)When the flow rate of steam is 3.5t/h, the PCDFs and PCDDs emission could be reduced by 54.9%. In these congeners, PCDFs and PCDDs are reduced by 57.33% and 41.65%, respectively. Steam injection can reduce the dioxin emission, especially for those higher chlorinated species in the PCDF group. 2) With the increase of the amount of steam, the PCDFs and PCDDs emission could be reduced remarkably. when the flow rate of steam is 4.5t/h, the reduction magnitude is 65%, in which, PCDFS accounts for 69.5% ,while PCDDS takes accounts of 40.9%. 3) When the steam injection area is less than 198 m2 , the reduction of PCDFs and PCDDs emission is not remarkable. |