Study on Treatment for Laboratory Effluents by Ultra-filtration Membrane

摘要

Laboratory effluents contain complicated component with the characteristics of incertitude, diversification and poor recurrence. The ordinary wastewater treatment method is difficult to deal with this problem. In this study, ultra-filtration membrane was carried out to experiment at different condition of PH, pressure, concentration of substances, ionic strength, respectively. The result shows that ultra-filtration membrane has good rejections for heavy metals, sulphide, volatile hydroxybenzene, aniline compound and fluoride in rational PH value. The retentions of ultra-filtration membrane for substance not only are related to physical separation, but also related to PH value and ionic strength. The retention of ultra-filtration membrane for different species can be interpreted by taking into account the interaction between solute-solute and solute-membrane. Therefore, ultra-filtration membrane will be applied to a broad range.