OREANDA-NEWS. July 16, 2008. A fine bubble system of aeration is installed in the biochemical extension of JSC “Koks”. One of the aerotanks is equipped with new installation. Its utilization allows to decrease drastically air consumption in aerotank. Due to the fact that air blower work with less productivity, power consumption will also decrease. At the present time a fine bubble system of aeration is passing industrial tests. If the results are positive, similar systems will be installed on all 17 aerotanks.