The waste heat from electrical generating stations is transferred to cooling water obtained from local water bodies such as a river, lake, or ocean. Large amounts of water are used to keep the sink temperature as low as possible to maintain a high thermal efficiency. The San Onofre Nuclear Generating Station between Los Angeles and San Diego, California, for example, has two main reactors that have a total operating capacity of 2,200 megawatts (MW). These reactors circulate a total of 2,400 million gallons per day (MGD) of ocean water at a flow rate of 830,000 gallons per minute for each unit. The cooling water enters the station from two intake structures located 3,000 feet offshore in water 32 feet deep. The water is heated to approximately 19°F above ambient as it flows through the condensers and is discharged back into the ocean through a series of diffuser -type discharges that have a series of sixty-three exit pipes spread over a distance of 2,450 feet. The discharge water is rapidly mixed with ambient seawater by the diffusers and the average rise in temperature after mixing is less than 2°F.
Read more: http://www.pollutionissues.com/Te-Un/Thermal-Pollution.html#ixzz3ILoS1Cjc
 
Onofre สถานีผลิตพลังงานระหว่าง Los Angeles และซานดิเอโก, 2,200 เมกะวัตต์ 2,400 ล้านแกลลอนต่อวัน (MGD) น้ำทะเลที่อัตราการไหลของ 830,000 3,000 ฟุตต่างประเทศในน้ำลึก 32 ฟุตน้ำมีอุณหภูมิประมาณ 19 องศาฟาเรนไฮต์ 2,450 diffusers 2 ° F อ่านเพิ่มเติม: http://www.pollutionissues.com/Te-Un/Thermal-Pollution.html# ixzz3ILoS1Cjc
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