Dissolved Organic Nitrogen in Wastewater
A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Wastewater Treatment and Reuse".
Deadline for manuscript submissions: closed (20 December 2022) | Viewed by 724
Special Issue Editor
Special Issue Information
Dear Colleagues,
Dissolved organic nitrogen (DON) can be an important nitrogen form in low-effluent total nitrogen wastewater treatment plants (WWTPs). Recently, DON in wastewater has become a grave concern because it can be utilized by natural algae and microorganisms, which will give rise to eutrophication in surface water. A more recent study has reported that the low-molecular-weight DON has an even greater potential to stimulate algal biomass than inorganic nitrogen. In addition, DON is also considered to be the precursor of nitrogenous disinfection byproducts, particularly N-nitrosodimethylamine, during wastewater chlorination; the toxicity of these byproducts is much higher than that of carbonaceous disinfection byproducts. Therefore, the presence of DON in WWTP effluent has led to increased concern about its adverse effects on wastewater discharge and reuse applications.
This Special Issue is designed to collect original research and review articles focusing on the DON in wastewater. Hopefully the interpretation, concepts and data provided in this Special Issue will both significantly improve our understanding of DON in WWTP systems and be of benefit to the strategies for minimizing the adverse effects of effluent DON on receiving water quality. Subject areas may include, but are not limited to, the following:
(1) Presence, transformation and removal of DON in WWTP systems;
(2) Analysis, sensing, and monitoring of DON in wastewater;
(3) DON transformations that are related to bacterial activity (e.g., enzyme activity, metabolism, transcriptomics);
(4) Mathematical models to estimate the microorganism-derived DON;
(5) Ecological effects of effluent DON on receiving water quality;
(6) Innovative technologies for the treatment of DON.
Prof. Dr. Haidong Hu
Guest Editor
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