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Table 1 Compounds used in the experiment and their inlet concentrations

From: Structure and predictive functional profiling of microbial communities in two biotrickling filters treated with continuous/discontinuous waste gases

Stage Days Inlet concentration (mg/m3)
Toluene Ethyl benzene p-Xylene m-Xylene o-Xylene
Ia 1–36 160 100 100 130 90
37–60 160 100 50 60 50
IIb 61–90 160 100 50 60 50
  1. aBTF1 was operated in continuous mode, while BTF2 in discontinuous mode
  2. bOperation mode of each BTF oppositely switched