Publication date: Available online 3 March 2018
Source:New Biotechnology
Author(s): Y. Lu, R. Liaquat, S. Astals, P.D. Jensen, D.J. Batstone, S. Tait
The relationship between anaerobic digestion operational conditions and (i) microbial community, (ii) acetoclastic methanogenic activity and (iii) free ammonia (NH3) inhibition resilience was investigated. Thirteen inocula were obtained from full and pilot scale digesters fed with different substrates, digester configurations, operating temperatures and NH3 concentrations (0.1–241 mgN·L−1). Substrate type and temperature were the primary factors influencing microbial community composition. Methanogenic activity ranged from 0.04 to 0.14 gCOD-CH4·g−1VS·day−1, and was significantly correlated with archaeal relative abundance and archaeal community PC2. The variability of NH3 resilience among inocula was moderate, with inhibition threshold values (KI50) ranging between 32 and 175 mgNH3-N·L−1. No microbial or operational factors correlated with NH3 resilience. However, the slopes of inhibition threshold curves were influenced by some environmental factors, namely substrate type, digester temperature and NH3 concentration. Overall, these results indicate that low and moderate background NH3 concentrations is not a key determinant of microbial community nor NH3 resilience.
from #AlexandrosSfakianakis via Alexandros G.Sfakianakis on Inoreader http://ift.tt/2I0yJsF
via IFTTT
Εγγραφή σε:
Σχόλια ανάρτησης (Atom)
Δημοφιλείς αναρτήσεις
-
Publication date: Available online 4 January 2018 Source: European Journal of Radiology Author(s): Peiyao Zhang, Jing Wang, Qin Xu, Zhen...
-
Background Hyperthyroidism is associated with increased thrombotic risk. As contact system activation through formation of neutrophil extrac...
-
Publication date: March 2017 Source: Free Radical Biology and Medicine, Volume 104 from #AlexandrosSfakianakis via Alexandros G.Sfak...
-
Related Articles Anatomic parameters of the sacral lamina for osteosynthesis in transverse sacral fractures. Surg Radiol Anat....
-
Dtsch med Wochenschr DOI: 10.1055/s-0043-100054 Hintergrund und Fragestellung Ein etablierter Weg, die optimale Behandlung von Tumorpatien...
-
BACKGROUND AND PURPOSE: Dengue is a common arboviral disease, which uncommonly involves the brain. There has been a recent surge in dengu...
-
Abstract Limited memory size is considered as a major bottleneck in data centers for intelligent urban computing. It is shown that there e...
-
Abstract Objective Functional magnetic resonance imaging (fMRI) is one of the most advanced techniques to analyze the cerebral effects o...
-
Vol.36 No.6 from #AlexandrosSfakianakis via Alexandros G.Sfakianakis on Inoreader http://ift.tt/1k8FKtW via IFTTT
Δεν υπάρχουν σχόλια:
Δημοσίευση σχολίου