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Optimized O3/Fe(II) Using Response Surface Methodology for Organic Phosphorus Removal in Tetrakis(hydroxymethyl)phosphonium Sulfate Wastewater

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 22 May 2022Publisher:MDPI AGJournal:Sustainability, volume 14, page 6,318 (eissn: 2071-1050,

Authors: Yangbin Peng; Hongbin Xu; Yaohua Li; Yuhuan Zhang; Dongge Duan; Mengyue Ren;

doi: 10.3390/su14106318

Optimized O3/Fe(II) Using Response Surface Methodology for Organic Phosphorus Removal in Tetrakis(hydroxymethyl)phosphonium Sulfate Wastewater

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Abstract

Tetrakis(hydroxymethyl)phosphonium sulfate (THPS) wastewater is a kind of industrial wastewater which is difficult to biodegrade. In this work, O3/Fe(II) was used to remove organic phosphorus from THPS wastewater. The operating conditions in this process were optimized using the Box-Behnken response surface method based on single-factor experimentation. A response model of the organic phosphorus removal rate considering the initial pH, reaction time, ozone concentration, and Fe(II) dosage was established. The results showed that the ozone concentration and initial pH had a significant effect on the removal rate of organic phosphorus, and the model fit well (R2 = 0.98). The maximum removal rate of organic phosphorus predicted by this model was 86.04%, while the deviation between the predicted and experimental values was 0.91%. We concluded that the quadratic model was an effective tool for optimizing the removal of organic phosphorus in the THPS wastewater by O3/Fe(II).

Related Organizations

Zhengzhou University
China (People's Republic of)
Zhengzhou University
China (People's Republic of)

Keywords

Tetrakis(hydroxymethyl)phosphonium sulfate, Environmental effects of industries and plants, TJ807-830, Tetrakis(hydroxymethyl)phosphonium sulfate; ferrous-catalyzed homogenous ozonation; response surface method; Box-Behnken design, ferrous-catalyzed homogenous ozonation, TD194-195, response surface method, Renewable energy sources, Environmental sciences, GE1-350, Box-Behnken design

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