Abstract: An elongated non-metal, non corrosive compressor mounting base plate structure including: (I) a base plate (40) segment having a top surface and a bottom surface, said base plate segment further comprising four vertical sidewalls (54) disposed perpendicular to the horizontal plane of the base plate and integral with the base plate segment, one vertical sidewall disposed on each of the four sides of the base plate segment and along the perimeter of the top surface of the base plate segment forming a base plate tray member; wherein the base plate segment is adapted for receiving a compressor on the top surface of the base plate segment within the area of the base plate segment surrounded by the four vertical sidewalls; (II) a means (56) for receiving and removably affixing a compressor to the top surface of the base plate segment; and (III) a reinforcement means integral with said base plate segment; wherein said reinforcement means includes at least two elongated transverse reinforcement segments integral with

Abstract: A process for producing aromatic dicarboxylic acids by the oxidation of dimethylbenzenes wherein dimethylbenzenes are mixed with an oxygen containing gas, solvent and catalyst in a reactor and the reaction mixture is agitated with one or more asymmetric radial impellers in combination with at least one axial impeller.