Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 681, Issue -, Pages 365-378Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.scitotenv.2019.05.036
Keywords
Endotoxin; Drinking water; Wastewater; Health risk; Water treatment; Limulus assay
Categories
Funding
- National Key Research and Development Program of China [2016YFD0401202, 2017YFF0209903]
- Beijing Municipal Natural Science Foundation [8192053]
- National Natural Science Foundation of China [51378283, 51408010, 51608257]
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Endotoxins, also referred to as lipopolysaccharides or pyrogens, are major components embedded in the outer cell wall membrane of most Gram-negative bacteria and some cyanobacteria As common pyrogens and strong immune stimulators, health hazards associated with endotoxins in water and wastewater have been attracting attention in recent years. In this paper, the characteristics, existing forms, and detection assays of endotoxins in water and wastewater are reviewed. Cellular response and pathophysiological effects, and main exposure tracts of endotoxins in water and wastewater are discussed. Levels of endotoxin contamination in water, wastewater, and their aerosols are presented. The removal effects of different water and wastewater treatment processes are summarized. Hence, it is important to: (i) Improve investigations into endotoxin contamination in water and wastewater in order to identify their source, occurrence, and fate. (ii) Implement water and wastewater treatment processes capable of ensuring low levels of endotoxins. This review aims to identify efficient water and wastewater treatment processes capable of ensuring the production of WTPs and WWTPs effluents with a low level of endotoxin activity, and to guarantee the reduction of endotoxin exposure risks to the consumers of water and wastewater. (C) 2019 Elsevier B.V. All rights reserved.
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