Seawater desalination in China: an overview

China, especially its coastal provinces, is facing water shortage issues, restricting its further development. To tackle the serious imbalance between water resource supply and demand, China has strived to develop alternative water resources to combat the water crisis, among which seawater desalination plays a major role. This paper reviews the current situation of utilization of desalinated seawater in China and includes: (1) a history of seawater desalination classified into three phases; (2) analysis of utilization sectors, geographic distribution and employed technologies of the desalination plants; (3) summaries of the policies, regulations and technological standards governing seawater desalination; (4) proposals for existing problems and some suggested measures regarding the current condition of seawater desalination; and (5) the seawater desalination programs in Tianjin and Zhoushan are presented as two representative examples. China's seawater desalination experience can provide some guidance for other countries facing similar water resource situations.

Abstract licence: CC BY-NC-ND

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