| Title | Fenton Process for Treating Acrylic Manufacturing Wastewater: Parameter Optimization, Performance Evaluation, Degradation Mechanism |
|---|---|
| ID_Doc | 9978 |
| Authors | Lin, ZW; Zhang, CH; Su, PD; Lu, WJ; Zhang, Z; Wang, XL; Hu, WY |
| Title | Fenton Process for Treating Acrylic Manufacturing Wastewater: Parameter Optimization, Performance Evaluation, Degradation Mechanism |
| Year | 2022 |
| Published | Water, 14.0, 18 |
| Abstract | Acrylic manufacturing wastewater is characterized by high toxicity, poor biodegradability, high chemical oxygen demand (COD) and ammonia nitrogen. Herein, we exploited traditional Fenton technology to treat acrylic fiber manufacturing wastewater. The impacts of key operating variables including the initial concentration of H2O2 (C-H2O2), the initial concentration of Fe2+ (DFe2+), and solution pH (pH) on the COD removal rate (ROOD) were explored and the treatment process was optimized by Response Surface Methodology (RSM). The results indicated that the optimum parameters are determined as pH 3.0, 7.44 mmol/L of Fe2+ and 60.90 mmol/L of H2O2 during Fenton process. For the actual acrylic manufacturing wastewater treatment shows that the removal rates for COD, TOC, NH4+-N and TN are 61.45%similar to 66.51%, 67.82%similar to 70.99%, 55.67%similar to 60.97% and 56.45%similar to 61.03%, respectively. It can meet the textile dyeing and finishing industry water pollutant discharge standard (GB4287-2012). During the Fenton reaction, the effective degradation and removal of organic matter is mainly achieved by HO center dot oxidation, supplemented by flocculation and sedimentation of Fe3+ complexes. This study will provide useful implications in the process parameters for the practical application of Fenton method in acrylic acid production wastewater. |
| https://www.mdpi.com/2073-4441/14/18/2913/pdf?version=1663723003 |
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