Mechanisms of removing pollutants from aqueous solutions by microorganisms and their aggregates: A review

► The mechanisms of removing pollutants from aqueous solutions are introduced. ► The advantages of microbial aggregates in removing pollutants are discussed. ► The prospect of microbial aggregates in removing pollutants is launched. ► The use of microbial aggregates shows promise in removing multipl...

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Veröffentlicht in:Bioresource technology 2012-03, Vol.107, p.10-18
Hauptverfasser: Wu, Yonghong, Li, Tianling, Yang, Linzhang
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Li, Tianling
Yang, Linzhang
description ► The mechanisms of removing pollutants from aqueous solutions are introduced. ► The advantages of microbial aggregates in removing pollutants are discussed. ► The prospect of microbial aggregates in removing pollutants is launched. ► The use of microbial aggregates shows promise in removing multiple pollutants. With the public’s enhanced awareness of eco-safety, environmentally benign measures based on microorganisms and microbial aggregates have become more accepted as methods of removing pollutants from aquatic systems. In this review, the application of microorganisms and microbial aggregates for removing pollutants from aqueous solutions is introduced and described based on mechanisms such as assimilation, adsorption, and biodegradation. The advantages of and future studies regarding the use of microorganisms and microbial aggregates to remove pollutants are discussed. Due to the limitation of a single microorganism species in adapting to heterogeneous conditions, this review demonstrates that the application of microbial aggregates consisting of multiple photoautotrophic and heterotrophic microorganisms, is a promising method of removing multiple pollutants from complex wastewaters and warrants further research.
doi_str_mv 10.1016/j.biortech.2011.12.088
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subjects Adsorption
Aggregates
Aqueous solutions
Assimilation
Biodegradation
Biodegradation, Environmental
Microbial aggregates
Microorganisms
Pollutants
Solutions
Waste water
Water - chemistry
Water Microbiology
Water Pollutants - isolation & purification
Water Pollutants - metabolism
title Mechanisms of removing pollutants from aqueous solutions by microorganisms and their aggregates: A review
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