RESEARCH PROGRESS ON APPLICATION OF BIOAUGMENTATION TECHNOLOGY IN INDUSTRIAL WASTEWATER TREATMENT

Abstract

Abstract: The composition of petrochemical wastewater is becoming increasingly complex, posing significant challenges to conventional biological treatment technologies. Bioaugmentation, which involves the targeted addition of high-efficiency functional microorganisms, aims to supplement or enhance the metabolic functions of treatment systems. This strategy improves the removal efficiency of recalcitrant organic compounds, strengthens resistance to shock loads, and optimizes microbial community structures. This review systematically summarizes the mechanisms of action, sources and forms of application for high-efficiency microbial strains, and provides a comprehensive overview of application cases at different scales. Literature indicates that bioaugmentation can significantly improve the removal rates of target pollutants, demonstrating tangible effects in the treatment of real petrochemical wastewaters. Finally, this paper suggests that future research should focus on elucidating microbial interaction mechanisms, developing strategies for long-term persistence, and establishing predictive models and comprehensive evaluation frameworks. This review aims to provide a reference for the efficient and green treatment of petrochemical wastewater.

Key words: bioaugmentation technology, petrochemical wastewater treatment, pollutant removal, commercial application

References

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