面对制约区域国民经济发展的淡水资源紧缺问题 ,荣成市将海水淡化及海水及海水直接利用作为优先发展的产业 ,纳入海洋经济发展规划 ,充分利用区位和资源优势 ,向国家申报了采用世界最先进的反渗透膜技术的石岛城区万吨级反渗透海水淡化示范工程项目。该项目总投资 80 0 0万元 , Faced with the shortage of fresh water resources that restrict the development of the national economy, Rongcheng City has taken seawater desalination and the direct utilization of seawater and seawater as priorities in its development planning into the marine economy, making full use of its location and resource advantages, reporting to the state Advanced reverse osmosis membrane technology Shidao urban 10,000-ton reverse osmosis desalination demonstration project. The total investment 80 million yuan,