Methane production characteristics and microbial community dynamics of mono-digestion and co-digestion using corn stalk and pig manure

2017 ◽  
Vol 42 (8) ◽  
pp. 4893-4901 ◽  
Author(s):  
Min Wang ◽  
Jun Zhou ◽  
Yue-Xiang Yuan ◽  
Yu-Mei Dai ◽  
Dong Li ◽  
...  
Keyword(s):  
Microbial Community ◽  
Methane Production ◽  
Community Dynamics ◽  
Pig Manure ◽  
Corn Stalk ◽  
Microbial Community Dynamics ◽  
Production Characteristics

Microbial community structure and performance of an anaerobic reactor digesting cassava pulp and pig manure

2012 ◽  
Vol 66 (7) ◽  
pp. 1590-1600 ◽  
Author(s):  
P. Panichnumsin ◽  
B. Ahring ◽  
A. Nopharatana ◽  
P. Chaiprasert
Keyword(s):  
Community Structure ◽  
Microbial Community ◽  
Community Dynamics ◽  
Denaturing Gradient Gel Electrophoresis ◽  
Pig Manure ◽  
Relative Distribution ◽  
Cassava Pulp ◽  
Microbial Community Dynamics ◽  
Gradient Gel Electrophoresis ◽  
Substrate Types

Microbial community dynamics in response to changes in substrate types (i.e. pig manure (PM), cassava pulp (CP) and mixtures of PM and CP) were investigated in an anaerobic continuously stirred tank reactor (CSTR). Molecular identification of bacterial and archaeal domains were performed, using a 16S rDNA clone library with polymerase chain reaction-denaturing gradient gel electrophoresis (PCR-DGGE) screening and phylogenetic analysis. Analysis of bacterial clone libraries revealed that the differences in the community structure corresponded to the substrate types. However, the Bacteroidetes were the most abundant group in all substrates, followed by the Clostridia. With pure PM, the dominant bacterial groups were Bacteroidales, Clostridia and Paludibacter. With a co-substrate, at CP to PM (CP:PM) ratio of 50:50, the sequences analysis revealed the greatest diversity of bacterial communities at class level, and the sequences affiliated with Cytophaga sp. became an exclusive predominant. With CP alone, Bacteroides sp. was the dominant species and this reactor had the lowest diversity of bacteria. Archaea observed in the CSTR fed with all substrate types were Methanosaeta sp., Methanosaeta concilii and Methanospirillum hungatei. Among the Archaea, Methanosaeta sp. was the exclusive predominant. The relative distribution of Archaea also changed regarding to the substrate types.

Anaerobic co-digestion of pig manure and food waste; effects on digestate biosafety, dewaterability, and microbial community dynamics

2018 ◽  
Vol 71 ◽  
pp. 532-541 ◽  
Author(s):  
C. Dennehy ◽  
P.G. Lawlor ◽  
M.S. McCabe ◽  
P. Cormican ◽  
J. Sheahan ◽  
...  
Keyword(s):  
Microbial Community ◽  
Food Waste ◽  
Community Dynamics ◽  
Pig Manure ◽  
Microbial Community Dynamics
Sign in / Sign up

Export Citation Format

Share Document