$$ \mathrm CAPEX =\mathrm Original \ \mathrm investment decision +\sum \mathrm RI _ \mathrm biofilter +\sum \mathrm RI _ \mathrm PSA +\sum \mathrm RI _ \mathrm comp +\sum \mathrm RI _ \mathrm v \_\mathrm pump $$ during the biotrickling filter, aerobic micro organism decompose H2S, and to maintain these micro organism during the reactor, an enlarge… Read More