Home for Chemical Process Equipment, Used Heat Exchangers, & Complete Plants. Louisiana Chemical Equipment Company is the leader in used process equipment sales and complete industrial plants. LCEC’s equipment is available for inspection and re-location. Our inventory includes over 14,000 items listed by each process equipment category. These include pumps, tanks, vessels, heaters, heat exchangers, centrifuges, mixers, motors, columns, silos, sifters, filters, compressors... 85 categories in all. Our equipment materials include chrome-moly, inconel copper, hastealloy, titanium, tantalum, glass-lined, fiberglass, cast iron, stainless steel, carbon steel and much more.