Enhanced methanogenic performance and metabolic pathway of high solid anaerobic digestion of chicken manure by Fe and Ni supplementation

Faculty Agriculture Year: 2019
Type of Publication: ZU Hosted Pages:
Authors:
Ahmed Abdelmohsen Mahdi
Journal: Ceramics International Elsevier Volume:
Keywords : Enhanced methanogenic performance , metabolic pathway , high    
Abstract:
Results indicated that although the three different HRTs provided a stable process with a steady-state of methane production, both methane yield (161Lkg-VSin−1 , 25% higher) and volatile solids removal (VS, 50%, 2-fold higher) increased during longer HRTs. Redundancy analysis results indicated that SporosarcinaandMethnosarcinapositively correlatedtoVSremovalandmethaneyield,andnegativelycorrelated to volatile fatty acids (VFAs) accumulation. The relative abundance of Coprothermobacter (>60%), syntrophic acetate oxidation bacteria (SAOB), and Methanospirillum (8–15%), increased during shorter HRTs. A slight shift to two-stage acetate conversion was observed during shorter HRTs. The results demonstrated that HRTs played a key role in shaping microbial structure, leading to a new steady-state of microbial community profiles and process performances at variable HRTs
    
     
 
       

Author Related Publications

  • Ahmed Abdelmohsen Mahdi , "Enzymatic pretreatment of Chlorella Vulgaris for biogas production: Influence of urban wastewater as a sole nutrient source on macromolecular profile and biocatalyst efficiency", Elsevier, 2016 More
  • Ahmed Abdelmohsen Mahdi , "Metabolic performance of anaerobic digestion of chicken manure under wet, high solid, and dry conditions", elsevier, 2020 More
  • Ahmed Abdelmohsen Mahdi , "Overcome inhibition of anaerobic digestion of chicken manure under ammonia-stressed condition by lowering the organic loading rate", elsevier, 2020 More
  • Ahmed Abdelmohsen Mahdi , "Simultaneous H2S mitigation and methanization enhancement of chicken manure through the introduction of the micro-aeration approach", elsevier, 2020 More
  • Ahmed Abdelmohsen Mahdi , "Biostimulation of sewage sludge solubilization and methanization by hyper-thermophilic pre-hydrolysis stage and the shifts of microbial structure profiles", elsevier, 2020 More

Department Related Publications

  • Ahmed Abdelmohsen Mahdi , "Effect of high pressure thermal pretreatment on Chlorella vulgaris biomass: Organic matter solubilisation and biochemical methane potential", Elsevier, 2013 More
  • Ahmed Abdelmohsen Mahdi , "Protease pretreated Chlorella vulgaris biomass bioconversion to methane via semi-continuous anaerobic digestion", Elsevier, 2015 More
  • Samir Ahmed Merghani Mahgoub, "Improving growth performance and health status of meat-type quail by supplementing the diet with black cumin cold-pressed oil as a natural alternative for antibiotics", Springer, 2018 More
  • Mohamed TalaatAbdou Mohamed El-Sadony, "Biosynthesis, Optimization and Characterization of Silver Nanoparticles Using a Soil Isolate of Bacillus pseudomycoides MT32 and their Antifungal Activity Against some Pathogenic Fungi", Biosynthesis, Optimization, 2019 More
  • Samir Ahmed Merghani Mahgoub, "Impact of Rosmarinus officinalis cold-pressed oil on health, growth performance, intestinal bacterial populations, and immunocompetence of Japanese quail", Elsevier, 2019 More
Tweet