Journal
TOXICS
Volume 11, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/toxics11010026
Keywords
styrene; UV; Fenton; nitrogen; VOCs; BAS-BP neural network
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A new method for removing styrene gas in nitrogen atmospheres was developed by using styrene as a proxy for VOCs. The effect of parameters such as ferrous ion concentration, hydrogen peroxide concentration, and pH values was explored on the styrene removal efficiency. Quantization of by-products was done using a TOC analyzer. The optimal process conditions resulted in an average styrene removal efficiency of 96.23% and a neural network model was constructed for predicting styrene gas residuals.
Using styrene as a proxy for VOCs, a new method was developed to remove styrene gas in nitrogen atmospheres. The effect on the styrene removal efficiency was explored by varying parameters within the continuum dynamic experimental setup, such as ferrous ion concentration, hydrogen peroxide concentration, and pH values. The by-products are quantized by a TOC analyzer. The optimal process conditions were hydrogen peroxide at 20 mmol/L, ferrous ions at 0.3 mmol/L and pH 3, resulting in an average styrene removal efficiency of 96.23%. In addition, in this study, we construct a BAS-BP neural network model with experimental data as a sample training set, which boosts the goodness-of-fit of the BP neural network and is able to tentatively predict styrene gas residuals for different front-end conditions.
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