316lss Packed Rectification Column Unit bolted in 4 sections: Top section is 400 mm x 1140 mm, with aproz 2.5 SqM internal spiral condensing coil; Mid-section has (2) bolted sections that expand to 400 mm diam x 2040 mm long each, with a packed beds with 316LSS Sulzer packing in each section. Bottom section has a Falling film evaprator section with 316LSS vertical tubes in this section