Bertrams Chemical Plants Ltd. is a world-leading technology provider for the concentration of alkali or acid aqueous solutions including: - the evaporation of caustic solutions (NaOH, KOH,CaCl2, etc..) and/or the processing plants to produce solid products such as flakes, prills or pellets - H2SO4 recycling systems for the reconcentration, purification and recovery of sulfuric acid at high strength from its dilute aqueous solution or it spent “mixed” acids ; - Nitric Acid recovery system or production of high purity nitric acid from spent or weak aqueous solution. - NOx gases absorption unit, with recovery of nitric acid solution, The field of activity ranges from the preparation of feasibility studies, basic engineering and overall planning up to the realization of turn-key installations. We are an internationally active enterprise, with offices in China and in India and representatives in many other countries around the globe. Our headquarters are located in Muttenz, near Basel, Switzerland.