Dr. Josef Lahnsteiner has been involved in a wide range of water, used water, and water reuse projects for nearly 40 years. Currently, he is the Technology, Research and Development Director of the WABAG Group. Dr. Lahnsteiner has been a member of the Windhoek Direct Potable Reuse Research Committee since 2005, and Director of Board of the Windhoek/Ujams Industrial Water Reclamation Company since 2012. He has been an active member of the IWA Water Reuse Specialist Group’s (WRSG) Management Committee for 20 years, and since 2019, he has been serving as the Chair of the WRSG.

• Part I: Water and Used Water Purification Basics and Technical Realizations.- Part II: Drinking Water Purification.-  Part III: Sea Water Desalination.- Part IV: Municipal Used Water Purification and  Sludge Treatment.-  Part V: Industrial Water Treatment and Used Water Purification.- Part VI: Water Reuse and Recycling.

Dr. Josef Lahnsteiner has been involved in a wide range of water, used water, and water reuse projects for nearly 40 years. Currently, he is the Technology, Research and Development Director of the WABAG Group. Dr. Lahnsteiner has been a member of the Windhoek Direct Potable Reuse Research Committee since 2005, and Director of Board of the Windhoek/Ujams Industrial Water Reclamation Company since 2012. He has been an active member of the IWA Water Reuse Specialist Group’s (WRSG) Management Committee for 20 years, and since 2019, he has been serving as the Chair of the WRSG.

• Part I: Water and Used Water Purification Basics and Technical Realizations.- Part II: Drinking Water Purification.-  Part III: Sea Water Desalination.- Part IV: Municipal Used Water Purification and  Sludge Treatment.-  Part V: Industrial Water Treatment and Used Water Purification.- Part VI: Water Reuse and Recycling.

Dr. Josef Lahnsteiner has been involved in a wide range of water, used water, and water reuse projects for nearly 40 years. Currently, he is the Technology, Research and Development Director of the WABAG Group. Dr. Lahnsteiner has been a member of the Windhoek Direct Potable Reuse Research Committee since 2005, and Director of Board of the Windhoek/Ujams Industrial Water Reclamation Company since 2012. He has been an active member of the IWA Water Reuse Specialist Group’s (WRSG) Management Committee for 20 years, and since 2019, he has been serving as the Chair of the WRSG.

• Part I: Water and Used Water Purification Basics and Technical Realizations.- Part II: Drinking Water Purification.-  Part III: Sea Water Desalination.- Part IV: Municipal Used Water Purification and  Sludge Treatment.-  Part V: Industrial Water Treatment and Used Water Purification.- Part VI: Water Reuse and Recycling.