THE PRODUCTION OF SODIUM PYROSULFITE BY Na 2CO 3 AND SO 2 FROM THE FURNACE GAS OF ROASTING ZnS ORE.
Xu Yaorong (Hunan Research Institute of Chemical Industry,Changsha 410007)
The new technology for the production of sodium pyrosulfite by using waste SO 2 as raw material and Na 2CO 3 solution as absorbent is introduced. The testing result shows that this process is advanced and economic benifit is excellent.
【CateGory Index】： TQ131.12