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首页> 美国政府科技报告 >SOLERAS - Solar-Powered Water Desalination Project at Yanbu: Indirect Freeze Desalination System Performance.
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SOLERAS - Solar-Powered Water Desalination Project at Yanbu: Indirect Freeze Desalination System Performance.

机译：sOLERas - 盐步太阳能海水淡化项目：间接冷冻海水淡化系统性能。

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The desalination subsystem of the solar-powered desalination pilot project located at Yanbu, Saudi Arabia, was operated successfully for two years. Water production rates of 180 m sup 3 /day can be obtained for a period of 24 hours. In addition, once the proper procedures are followed, water production can continue for long periods of time at rates of 135 m sup 3 /day. Electrical energy costs to produce one m sup 3 of potable water is SR 1.66 in Saudi Arabia and $1.66 to $2.21 in the United States. As with any new process, a number of important details must be learned to obtain the most out of the system. Some of these details are: (1) product water production rate and efficiency are maximized for this system at 10% salinity and delta Ts greater than 3 C, (2) the anhydrous ammonia must be kept clean, (3) the ice in the freezer tubes must be melted without decreasing the salinity of the mixture in the slurry separator, (4) the salinity of the mixture going through each of the freezer tubes must be the same, and (5) the salinity of the slurry must be less than 11%. The authors believe that a subsequent design of an indirect-contact freeze desalination sub-system can be successful. Maintenance of the desalination subsystem has been nominal with only about 6/1/2/ person days required per month. Proper operating procedures and some redesign of the desalination subsystem should minimize the required maintenance. 4 refs., 7 figs., 4 tabs. (ERA citation 14:004299)

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