Lithium Ark Holding B.V. is process technology company founded be Peter Ehren. It is focused on the production of lithium hydroxide and lithium carbonate battery grade from lithium chloride, lithium carbonate and lithium sulfate applying it´s new novel and patented process. Lithium Ark licenses its technology. Peter Ehren is a veteran in lithium industry with 25 years of experience and has been involved in development in projects from lab till operations. The name Lithium Ark is because our company is aiming to benefit  all lithium producers with a process technology that is innovative but at the same time proven, conventional, easy to implement and reproducible.  Lithium Ark process  has a significant impact on overall process recovery, lower energy consumption, less CO2 emission and generate less waste than industrial standards. Our mission is to share this process for the production lithium hydroxide with attractive licensing fees The process can be applied to: Lithium chloride ( solution of solids) produced from lithium brine resources applying Solar Evaporation process applying Direct Lithium Extraction Technical Grade Lithium Carbonate Lithium sulfate ( solution of solids) produced from lithium hard rock or clay deposits. Black Mass from lithium battery recycling