摘要
以经济发展水平不同的北京、青岛、湛江为例,根据三市居民的生活用水量、自来水价格,以及净水器、桶装水的市场售价,分析了三市居民生活用水的到户综合成本,再将反渗透海水淡化技术生产的饮用水级别淡水的到户成本与居民生活用水到户综合成本进行比较。说明了海水淡化制水综合成本相比居民使用净水器、饮用桶装水的用水综合成本低1~3元/m~3。海水淡化技术对于解决地区淡水资源短缺问题具有良好市场效益和根本优势。
Taking Beijing, Qingdao and Zhanjiang with different levels of economic development as examples, the overall cost of domestic water used for the residents was analyzed based on the living water consumption, tap water prices, and market prices for water purifiers and bottled water. The cost of drinking grade freshwater produced by RO seawater desalination was compared with the comprehensive cost of household water use. Results showed that comparing to the comprehensive cost of water purifiers and bottled drinking water, seawater desalination water could save costs 1~3 yuan/m~3. Desalination technology has good market benefits and fundamental advantages for solving the shortage of freshwater resources in the region.
引文
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