کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4996789 1368274 2017 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Bacteria and archaea communities in full-scale thermophilic and mesophilic anaerobic digesters treating food wastewater: Key process parameters and microbial indicators of process instability
ترجمه فارسی عنوان
جوامع باکتری و آرکای در مقیاس های کامل ترشح کننده های فاضلاب و فاضلاب بی هوازی مزوفیلی که از فاضلاب های مواد غذایی استفاده می کنند: پارامترهای فرآیند کلیدی و شاخص های میکروبی بی ثباتی فرایند
کلمات کلیدی
اسیدوژن، متانوژن، درجه حرارت، آمونیاک سدیم،
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی تکنولوژی و شیمی فرآیندی
چکیده انگلیسی


- Archaea and bacteria in the full-scale AD of FWW were proposed.
- Bacterial community structures were differentiated by digester.
- Temperature, TAN, propionate, Na+ were factors shaping the structures.
- Potential microbial indicators of process instability were suggested.

In this study, four different mesophilic and thermophilic full-scale anaerobic digesters treating food wastewater (FWW) were monitored for 1-2 years in order to investigate: 1) microbial communities underpinning anaerobic digestion of FWW, 2) significant factors shaping microbial community structures, and 3) potential microbial indicators of process instability. Twenty-seven bacterial genera were identified as abundant bacteria underpinning the anaerobic digestion of FWW. Methanosaeta harundinacea, M. concilii, Methanoculleus bourgensis, M. thermophilus, and Methanobacterium beijingense were revealed as dominant methanogens. Bacterial community structures were clearly differentiated by digesters; archaeal community structures of each digester were dominated by one or two methanogen species. Temperature, ammonia, propionate, Na+, and acetate in the digester were significant factors shaping microbial community structures. The total microbial populations, microbial diversity, and specific bacteria genera showed potential as indicators of process instability in the anaerobic digestion of FWW.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Bioresource Technology - Volume 245, Part A, December 2017, Pages 689-697
نویسندگان
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