Used chromatography columns are critical in pharmaceutical, biotech, and chemical processing for separation, purification, and fractionation of compounds in liquid streams. Machinery & Equipment Co. offers a range of process-scale and pilot-scale chromatography columns including acrylic, glass-lined, and stainless steel designs suitable for protein purification, downstream processing, and specialty chemical applications. Our inventory may include trusted manufacturers such as Amicon, GE Healthcare (Cytiva), Pall, Millipore, and BPG/Pharmacia systems, known for precision and reliability in critical separations. With access to one of the largest inventories of used process equipment, M&E can help source the right chromatography column to meet your flow rate, pressure, and media requirements.