الفهرس 
The application of a 2purple non-sulfur bacteria bio-augmentation scheme3 to enhance the process durability, the biodegradation efficiency, and energy-capture in anaerobic digestion processes
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Abstract
The Purple non-sulfur bacterium, Rhodobacter capsulatus ”ATCC ® 11166{u2122}” strain, was utilized for inoculating two semi-pilot scale anaerobic digestion reactors, within a configuration comprising five semi-pilot scale reactors. The investigation assessed the effect of applying a proposed bio-augmentation scheme onto anaerobic digestion with respect to biodegradation efficiency, resilience, and energy capture efficiency. Analyses provided significant evidence of the positive impact of the proposed scheme onto the biodegradation efficiency of the bio-augmented reactors. Also, a significant increase in hydrogen content that averaged 3.5% was observed within yield biogas which also exhibited an average volume increase of about 12%. The bio-augmented reactors were also subjected to a set of typically perturbation-causing conditions, with the results demonstrating the superior resilience of operation within the bio-augmented reactors, compared to other reactors. The results emphasized the importance of the proposed scheme in mitigating the severity of some bottlenecks that are typically associated with anaerobic digestion