$$ \mathrm CAPEX =\mathrm Original \ \mathrm investment +\sum \mathrm RI _ \mathrm biofilter +\sum \mathrm RI _ \mathrm PSA +\sum \mathrm RI _ \mathrm comp +\sum \mathrm RI _ \mathrm v \_\mathrm pump $$ from the biotrickling filter, aerobic micro organism decompose H2S, and to help keep these micro organism during the reactor, an enlarged area pol… Read More