Experiment Research of Phosphate Deposition in TEDA Reuse Water & Landscape River
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Abstract:
The deposition effects of the total phosphorous(TP) and phosphate(PO_(4)-P)in TEDA Reuse Water & Landscape River are studied,and the sedimentation reason of TP,PO_(4)-P are analyzed,then the settling curve of TP and PO_(4)-P is drawn in recycled water which is changed with time.When the reuse water is used as the water source,TP and PO_(4)-P deposit bottom silt.In laboratory simulation test,the needed time of the max deposition ratio for TP and PO_(4)-P is 1 day,meanwhile,the max deposition ratio of TP and PO_(4)-P are 95.15%,96.56% respectively.According to practical observation,the needed time of the deposition ratio is 7.5 days,longer for TP and PO_(4)-P to reach max deposition level than in the laboratory test,and the deposition ratio of the TP and PO_(4)-P is 85.10% and 87.43% respectively, lower than in the laboratory test.
