evaluation enhances the diversity and richness of contaminated microbiomes, hence
autonomously of PAH degradation enhancement, we detected traces of inoculant
formation, signifying it could utilize other resources to persist. The rate of inoculation does not have any effect on the bacterial community of PS. It was also observed
that the incubation conditions enhanced the level of orders from Sphingomonadales
and Actinomycetales while inoculation resulted in the reduction of level of
Actinomycetales while the addition of most diverse microbiomes with inoculants
most especially to PS and Phe led to enhancement in the level of orders from
Rhizobiales, Sphingomonadales, and Burkholderiales. It could be concluded that
there is a synergetic effect between all the genera which showed that there may not
be any relation with PAH degradation.
It has been observed that the extemporaneous, natural self-attenuation of the
groundwater polluted with oil-derived pollutants most especially in the groundwater
environment has been observed to be slow which might warrant numerous amplification activities that are obligatory to speed up the process. It has been observed that
ex situ bioremediation is one of the best treatments for the bioremediation of polluted
soil from which the ground is evacuated from its natural site and developed into piles
suited in different clean-up sites. This permits easy amendment and regulator of the
development parameters and consents for delightful other optimization activities
such as bioaugmentation with specially prepared microorganism cultures. In view of
the aforementioned, Kaszycki et al. (2011) evaluated the influence of soil-derived
bacterial community utilized as inoculum in the bioaugmentation of organic compounds. After inoculation, it was discovered that the level of the soil bacteria
population was enhanced by 16–42 times and extended the value of 3.6 Â
10
6 cells g
À1 . The designated optimization activities, pragmatic for the first stage
of the longstanding bioremediation scheme, permitted to accomplish substantial
pollution removal rates: over 3.5-fold at the site P1 and over five-fold at P2.
da Silva and Alvarez (2010) wrote a comprehensive review of bioaugmentation.
The authors recounted that bioaugmentation has been a major priority in the bioremediation process, employed to enhance the aforementioned process in degrading
recalcitrant pollutants in the ecosystem. That proper inoculate aid in improving the
efficiency and activity of the bioremediation process. Nevertheless, the entire process also depends on external factors that might militate against its set objectives for
environmental restoration. The authors opined that there is a need to improve on the
qualities of the strains used in the bioaugmentation process in order to boost the
normal genetic constituents of the microbes and enhance the catabolic enzyme
specificity and gene adaptability against critical environmental conditions such as
redox condition and pH that may affect in situ condition of bioaugmentation. A
better understanding of the biology and the chemo-taxis response away and toward
sourced contaminants of the microbes is very important, in order to predict and
monitor the process of regulation and to improve the distribution and perfusion of
the micro-biota. In conclusion, the authors are of the opinion that a part of
re-engineering the microbes adapt to abiotic stress, the issues of biological stress,
such as struggle for food might also hinder the biological process. They recommend
the selection of inhibited species that specifically hinder the biological process and
15 Bioaugmentation: A Powerful Biotechnological Techniques for Sustainable. . .
379
autonomously of PAH degradation enhancement, we detected traces of inoculant
formation, signifying it could utilize other resources to persist. The rate of inoculation does not have any effect on the bacterial community of PS. It was also observed
that the incubation conditions enhanced the level of orders from Sphingomonadales
and Actinomycetales while inoculation resulted in the reduction of level of
Actinomycetales while the addition of most diverse microbiomes with inoculants
most especially to PS and Phe led to enhancement in the level of orders from
Rhizobiales, Sphingomonadales, and Burkholderiales. It could be concluded that
there is a synergetic effect between all the genera which showed that there may not
be any relation with PAH degradation.
It has been observed that the extemporaneous, natural self-attenuation of the
groundwater polluted with oil-derived pollutants most especially in the groundwater
environment has been observed to be slow which might warrant numerous amplification activities that are obligatory to speed up the process. It has been observed that
ex situ bioremediation is one of the best treatments for the bioremediation of polluted
soil from which the ground is evacuated from its natural site and developed into piles
suited in different clean-up sites. This permits easy amendment and regulator of the
development parameters and consents for delightful other optimization activities
such as bioaugmentation with specially prepared microorganism cultures. In view of
the aforementioned, Kaszycki et al. (2011) evaluated the influence of soil-derived
bacterial community utilized as inoculum in the bioaugmentation of organic compounds. After inoculation, it was discovered that the level of the soil bacteria
population was enhanced by 16–42 times and extended the value of 3.6 Â
10
6 cells g
À1 . The designated optimization activities, pragmatic for the first stage
of the longstanding bioremediation scheme, permitted to accomplish substantial
pollution removal rates: over 3.5-fold at the site P1 and over five-fold at P2.
da Silva and Alvarez (2010) wrote a comprehensive review of bioaugmentation.
The authors recounted that bioaugmentation has been a major priority in the bioremediation process, employed to enhance the aforementioned process in degrading
recalcitrant pollutants in the ecosystem. That proper inoculate aid in improving the
efficiency and activity of the bioremediation process. Nevertheless, the entire process also depends on external factors that might militate against its set objectives for
environmental restoration. The authors opined that there is a need to improve on the
qualities of the strains used in the bioaugmentation process in order to boost the
normal genetic constituents of the microbes and enhance the catabolic enzyme
specificity and gene adaptability against critical environmental conditions such as
redox condition and pH that may affect in situ condition of bioaugmentation. A
better understanding of the biology and the chemo-taxis response away and toward
sourced contaminants of the microbes is very important, in order to predict and
monitor the process of regulation and to improve the distribution and perfusion of
the micro-biota. In conclusion, the authors are of the opinion that a part of
re-engineering the microbes adapt to abiotic stress, the issues of biological stress,
such as struggle for food might also hinder the biological process. They recommend
the selection of inhibited species that specifically hinder the biological process and
15 Bioaugmentation: A Powerful Biotechnological Techniques for Sustainable. . .
379