Deyuan Dong

TL;DR: In this paper, the authors investigated the response of different forms of Nacyl-homoserine lactones (AHLs) to various types of biofilms and found that the long-chain AHLs (12−14 carbons) resulted in an overall improvement of bacterial adhesion due to their stronger hydrophobicity and hydrolysis resistance.

TL;DR: Findings suggest that during the biofilm reactor start-up process, seed sludge conditions, including the bacterial concentration, composition and hydraulics, need to be carefully considered.

TL;DR: The comprehensive biological effects of salinity on biofilm microbial community and metabonomic characteristics and the short-term adaption mechanisms of wastewater treatment biofilms to high NaCl concentration environments are revealed.

TL;DR: Wang et al. as discussed by the authors improved the sludge settling performance via quorum sensing (QS) by adding exogenous acyl homoserine lactones (AHLs), which can automatically and in-situ assess a sludge volume index.

TL;DR: In this article, the authors proposed a method for reducing toxicity of wastewater treated by a biological method, which specifically comprises the following steps: performing activated sludge sampling, and identifying a microbial community structure of the activated ssludge; performing activated Ssludge microorganism active oxygen assay, determining microorganisms types needing to be directionally screened according to a determination result of the activation sludge SSLM, using the screened microorganisms as enhanced microorganisms for fermentation; and finally, adding the fermented microbial fermentation liquid into the target tank body to solve the problem of wastewater toxicity