Considering the Specific Impact of Harsh Conditions and Oil Weathering on Diversity, Adaptation, and Activity of Hydrocarbon-Degrading Bacteria in Strategies of Bioremediation of Harsh Oily-Polluted Soils

Table 5

Hydrocarbon removal efficiency of HDB8, HDB9, and HDB18 with NH₄NO₃ at different C : N ratios: 70 : 1, 60 : 1, 50 : 1, and 40 : 1. Results are averages of 3 culture replicates and 3 separate GC analyses.

C/N	C/N 70/1	C/N 60/1	C/N 50/1	C/N 40/1
HDB8
Total hydrocarbons removal (%)
LMW hydrocarbons (%)
MMW hydrocarbons (%)
HMW hydrocarbons (%)
HDB9
Total hydrocarbons removal (%)
LMW hydrocarbons (%)
MMW hydrocarbons (%)
HMW hydrocarbons (%)
HDB18
Total hydrocarbons removal (%)
LMW hydrocarbons (%)
MMW hydrocarbons (%)
HMW hydrocarbons (%)

LMW: low molecular weight; MMW: medium molecular weight; HMW: high molecular weight.