Study on Effect of Removal Phosphorus from Subsidence Area Water by Synthetic Zeolites

摘要

Some eutrophic water samples collected from the subsidence area were treated by synthetic zeolite that was made from the fly ash. The impacts of dosage of synthetic zeolite, reaction time, pH value and saturation types of cations on the removal efficiency of phosphorus were investigated. The result showed that the highest phosphorus removal rate can reach 92.85% and corresponding optimum conditions are concluded as follows, dosage of 10 g/L, zeolite saturated by Al cation, acid resolution and 24 h of reaction time respectively.