دورية أكاديمية
أعرض في EDS

Chitosan Coagulation Pretreatment to Enhance Ceramic Water Filtration for Household Water Treatment.

التفاصيل البيبلوغرافية
العنوان: Chitosan Coagulation Pretreatment to Enhance Ceramic Water Filtration for Household Water Treatment.
المؤلفون: Coleman CK; Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC 27599, USA., Mai E; Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC 27599, USA., Miller M; Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC 27599, USA., Sharma S; Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC 27599, USA., Williamson C; Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC 27599, USA., Oza H; Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA 30033, USA., Holmes E; Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC 27599, USA., Lamer M; Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC 27599, USA., Ly C; Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC 27599, USA., Stewart J; Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC 27599, USA., Sobsey MD; Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC 27599, USA., Abebe LS; Center for Environment, Energy and Infrastructure, U.S. Agency for International Development (USAID), Washington, DC 20004, USA.
المصدر: International journal of molecular sciences [Int J Mol Sci] 2021 Sep 08; Vol. 22 (18). Date of Electronic Publication: 2021 Sep 08.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: MDPI Country of Publication: Switzerland NLM ID: 101092791 Publication Model: Electronic Cited Medium: Internet ISSN: 1422-0067 (Electronic) Linking ISSN: 14220067 NLM ISO Abbreviation: Int J Mol Sci Subsets: MEDLINE
أسماء مطبوعة: Original Publication: Basel, Switzerland : MDPI, [2000-
مواضيع طبية MeSH: Filtration*/methods , Water Purification*/methods, Ceramics/*chemistry , Chitosan/*chemistry, Bacterial Load ; Water Microbiology
مستخلص: Viruses are major contributors to the annual 1.3 million deaths associated with the global burden of diarrheal disease morbidity and mortality. While household-level water treatment technologies reduce diarrheal illness, the majority of filtration technologies are ineffective in removing viruses due to their small size relative to filter pore size. In order to meet the WHO health-based tolerable risk target of 10 -6 Disability Adjusted Life Years per person per year, a drinking water filter must achieve a 5 Log 10 virus reduction. Ceramic pot water filters manufactured in developing countries typically achieve less than 1 Log 10 virus reductions. In order to overcome the shortfall in virus removal efficiency in household water treatment filtration, we (1) evaluated the capacity of chitosan acetate and chitosan lactate, as a cationic coagulant pretreatment combined with ceramic water filtration to remove lab cultured and sewage derived viruses and bacteria in drinking waters, (2) optimized treatment conditions in waters of varying quality and (3) evaluated long-term continuous treatment over a 10-week experiment in surface waters. For each test condition, bacteria and virus concentrations were enumerated by culture methods for influent, controls, and treated effluent after chitosan pretreatment and ceramic water filtration. A > 5 Log 10 reduction was achieved in treated effluent for E.coli , C. perfringens, sewage derived E. coli and total coliforms, MS2 coliphage, Qβ coliphage, ΦX174 coliphage, and sewage derived F+ and somatic coliphages.
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معلومات مُعتمدة: T32 ES012870 United States ES NIEHS NIH HHS; T32ES007018 United States ES NIEHS NIH HHS
فهرسة مساهمة: Keywords: ceramic filter; chitosan; coagulation; drinking water; filtration; flocculation; household drinking water treatment
المشرفين على المادة: 9012-76-4 (Chitosan)
تواريخ الأحداث: Date Created: 20210928 Date Completed: 20211028 Latest Revision: 20220218
رمز التحديث: 20221213
مُعرف محوري في PubMed: PMC8472054
DOI: 10.3390/ijms22189736
PMID: 34575900
قاعدة البيانات: MEDLINE
الوصف
تدمد:1422-0067
DOI:10.3390/ijms22189736