ArticleFrontiers in microbiology2026
Biofilm-driven multi-stage anaerobic-aerobic process for high-strength petrochemical wastewater treatment.
Article in Frontiers in microbiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
High-strength petrochemical wastewater typically shows poor biodegradability, making stable compliance difficult with biological treatment alone. In this study, an integrated train combining coagulation-Fenton oxidation pretreatment with a biofilm-driven multi-stage anaerobic-aerobic process was developed. The Fenton pretreatment was optimized by response surface methodology, and the downstream system comprised an anaerobic biofilter, multi-stage biological contact oxidation, followed by hydrolysis-acidification/contact oxidation and clarification. Results indicated that the Initial pH was the most influential factor for Fenton performance. Under optimized conditions (pH 2.20, H₂O₂ dosage 4.5 mL/L, H₂O₂/Fe
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