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TM820E-400 海水淡化膜元件，有效膜面积为 400 平方英尺，它具有脱盐率高、产水通量 大、运行成本低等显著性能，可有效地降低设备投资及系统的运行成本。适合于海水以及高 浓度苦咸水的给水，尤其是采用严格的预处理如 UF/MF 的海水以及高浓度苦咸水脱盐系统。 广泛应用海水淡化和高浓度苦咸水淡化系统，来制造发电厂锅炉补给水等各种工业用水和生 活用水。

1.1 膜元件性能规范

膜元件型号 标准脱盐 率% 脱硼率％ 透过水量 gpd (m3 /d) 有效膜面积 ft2 (m2 ) 给水流道宽 度(mil)

TM820E-400 99.75 91 7,500 (28.3) 400 (37) 34

测试条件：

操作压力 800 psi (5.52MPa)

测试液温度 77 ﾟＦ (25℃)

测试液浓度 32000 mg/L (as NaCl) 、5 mg/L 硼

单只膜元件水回收率 8％

测试液 pH 8

单支膜元件脱盐率 99.5％

最小透过水量 6,000 gpd (22.7m 3 /d)

1.2 使用极限条件

操作压力·············································································1200psi (8.3MPa)

进水流量·············································································70gpm(382m3 /d)

进水温度·············································································113 ﾟＦ(45℃)

进水 SDI··············································································5

进水自由氯浓度··········································································检测不到

连续运行时进水 pH 范围····························································2－11

化学清洗时进水 pH 范围····························································1－12

单个膜元件压力损失···························································15psi (0.1 MPa)

单个膜组件压力损失···························································50psi (0.34MPa)