ArticleEnvironmental science and pollution research international2019
Thermochemical degradation of furfural by sulfate radicals in aqueous solution: optimization and synergistic effect studies.
Article in Environmental science and pollution research international, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 42 citations in OpenAlex.
- Chemical remediation and advanced oxidation process of polychlorinated biphenyls in contaminated soils: a review.Environmental science and pollution research international · 2022Review
- Oxidative degradation of p-chlorophenol by the persulfate-doped Fe-Mn bimetallic hydroxide, the parametrical significance, and systematical optimization.Environmental science and pollution research international · 2022Article
- Process modeling of municipal solid waste compost ash for reactive red 198 dye adsorption from wastewater using data driven approaches.Scientific reports · 2021Article
- Carbon-based magnetic nanocomposite as catalyst for persulfate activation: a critical review.Environmental science and pollution research international · 2019Review
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Authors and funding
4 authors at 1 institution in 1 country.
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Abstract
In this study, thermochemical degradation of furfural by sulfate radical has been investigated to find the best-operating conditions. For this purpose, the response surface methodology (RSM) based on central composite design (CCD) was applied to optimize the five independent variables of thermally activated persulfate (TAP)/nZVI oxidation process including pH, PS concentration, furfural concentration, nZVI dosage, and heat. The ANOVA results ("P > F value" < 0.0001 and [Formula: see text] = 0.9701) showed the obtained quadratic model is acceptable to predict furfural removal. Based on the reduced quadratic model PS concentration, nZVI dosage, and heat revealed the positive effects on removal efficiency, while pH and furfural concentration had a negative effect. Accordingly, 98.4% of furfural could be removed within 60 min of reaction under the optimum conditions: pH 5.26, PS concentration of 20.52 mM, furfural concentration of 84.32 mg/L, nZVI dosage of 1.15 mg/L, and a temperature of 79 °C. In such circumstances, the furfural removal efficiency for TAP, PS/nZVI, PS, and nZVI was 94.5, 9, 3, and 2%, respectively. Therefore, based on the synergy index (SI) values, the combination of PS, nZVI, and heat can lead to a synergistic effect in the performance of the thermochemical process.
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