دورية أكاديمية
أعرض في EDS

Microbial reductions and physical characterization of chitosan flocs when using chitosan acetate as a cloth filter aid in water treatment.

التفاصيل البيبلوغرافية
العنوان: Microbial reductions and physical characterization of chitosan flocs when using chitosan acetate as a cloth filter aid in water treatment.
المؤلفون: Oza HH; Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, United States of America.; Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, United States of America., Holmes EB; Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, United States of America., Bailey ES; Texas Tech University Health Sciences Center, Graduate School of Biomedical Sciences, Julia Jones Matthews Department of Public Health, Abilene, TX, United States of America., Coleman CK; Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, United States of America., Sobsey MD; Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, United States of America.
المصدر: PloS one [PLoS One] 2022 Jan 21; Vol. 17 (1), pp. e0262341. Date of Electronic Publication: 2022 Jan 21 (Print Publication: 2022).
نوع المنشور: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE
أسماء مطبوعة: Original Publication: San Francisco, CA : Public Library of Science
مواضيع طبية MeSH: Chitosan/*chemistry , Filtration/*methods , Water Purification/*methods, Acetates/chemistry ; Chitosan/pharmacology ; Escherichia coli/isolation & purification ; Flocculation ; Levivirus/isolation & purification ; Polymers/chemistry ; Textiles
مستخلص: The World Health Organization (WHO) estimates 2.1 billion people lack access to safely managed water. Cloth filtration is often employed in rural and developing communities of South Asia for point-of-use water treatment, but bacteria and viruses are too small for efficient removal by this filtration method. Chitosan is a biodegradable, cationic, organic polymer derived from the chemical treatment of chitin that acts as a coagulant and flocculant of contaminant of microbes and other particles in water, thereby facilitating filtration of microbes. This research 1) evaluated the use of chitosan acetate as a pre-treatment coagulation-flocculation process followed by cloth filtration for microbial reductions and 2) assessed floc particle size under three stirring conditions. E. coli KO11 bacteria and MS2 coliphage virus removals were quantified using culture-based methods. Chitosan acetate coagulation-flocculation pre-treatment of water, followed by cloth filtration, met or exceeded the protective (2-star) WHO performance levels for bacteria (2 log10 reduction) and viruses (3 log10 reduction), and filtrate turbidity was consistently reduced to < 1 NTU, meeting United States Environmental Protection Agency (EPA) and WHO targets.
Competing Interests: The authors have declared that no competing interests exist.
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معلومات مُعتمدة: T32 ES007018 United States ES NIEHS NIH HHS; T32 ES012870 United States ES NIEHS NIH HHS
المشرفين على المادة: 0 (Acetates)
0 (Polymers)
9012-76-4 (Chitosan)
تواريخ الأحداث: Date Created: 20220121 Date Completed: 20220221 Latest Revision: 20240923
رمز التحديث: 20240923
مُعرف محوري في PubMed: PMC8782320
DOI: 10.1371/journal.pone.0262341
PMID: 35061779
قاعدة البيانات: MEDLINE
الوصف
تدمد:1932-6203
DOI:10.1371/journal.pone.0262341