ceremony of Unveiling water hardness reducing device On 11 th Dec. 2020, during a ceremony attended by the CEO of Bushehr Water and Sewerage Company, the water hardness reduction device was unveiled at the Faculty of Oil, Gas and Petrochemical, Persian Gulf University. In this ceremony, a water hardness reduction device was unveiled in the laboratory of the Sustainable Membrane Technology Research Group (SMTRG).The project is managed by Dr. Mohsen Abbasi, a member of the research group and of the Faculty of Petroleum, Gas and Petrochemicals of the Persian Gulf University, who completed the project with the financial support of the Bushehr Water and Sewerage Company. In this ceremony presented the PGU president and PGU Vice Chancellor for Research & Innovation.