Disposal of arsenic wastewater by polysilicate metal sulfates in power plant
The disposal of arsenic wastewater in the power plant was studied. The effect of pH, settling time, dosage and molar ratio on polysilicate metal sulfates for disposal of arsenic wastewater such as polysilicate aluminum sulfate (PSAS), polysilicate ferric sulfate (PSFS) and polysilicate ferric aluminum (PSFAS), were investigated as well. The species distribution were determined by Ferron-timed complex colorimetric method. The arsenic removal mechanisms of PSFAS were also discussed. Experimental results show that PSFAS has shorter settling time, lower residual color and high arsenic removal efficiency.
polysilicate metal sulfates arsenic wastewater coagulation mechanisms
Qiangwei Li Shuqin Wang Lidong Wang
School of Environmental Science & Engineering North China Electric Power University Hebei,Baoding,Ch Department of Environmental Science and Engineering Tsinghua University Beijing,China
国际会议
北京
英文
1-4
2009-06-11(万方平台首次上网日期,不代表论文的发表时间)