Abstract：
:We assessed the biodegradation of a typical oily sludge waste (PB401) in Mexico using several regimes of indigenous microbial consortium and relevant bioremediation strategies in slurry-phase system. Abiotic loss of total petroleum hydrocarbons (TPH) in the PB401 was insignificant, and degradation rates under the various treatment conditions ranged between 666.9 and 2168.7 mg kg(-1) day(-1) over a 15 days reaction period, while viable cell count peaked at between log(10)5.7 and log(10)7.4 cfu g(-1). Biostimulation with a commercial fertilizer resulted in 24% biodegradation of the TPH in the oily waste and a corresponding peak cell density of log(10)7.4 cfu g(-1). Addition of non-indigenous adapted consortium did not appear to enhance the removal of TPH from the oily waste. It would appear that the complexities of the components of the alkylaromatic fraction of the waste limited biodegradation rate even in a slurry system.
journal_name
Chemospherejournal_title
Chemosphereauthors
Machín-Ramírez C,Okoh AI,Morales D,Mayolo-Deloisa K,Quintero R,Trejo-Hernández MRdoi
10.1016/j.chemosphere.2007.06.017subject
Has Abstractpub_date
2008-01-01 00:00:00pages
737-44issue
4eissn
0045-6535issn
1879-1298pii
S0045-6535(07)00780-1journal_volume
70pub_type
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