东丽RO膜TM720N-400

东 丽 集 团 膜产品技术手册

东丽液体分离膜产品 RO/ NF 膜元件

TM720N-400 8英寸宽给水流道低压反渗透膜元件

TM720N-400宽流道低压反渗透膜元件，有效膜面积为400平方英尺，给水流道34mil 。适合于含盐量10000ppm 以下的苦咸水淡化，城市污水和工业废水的再生利用，以及微污染地表水的脱盐、冷却循环排污水的回用等各种应用领域。最宽的给水流道，使其不仅有较强的抗污染性，更具有化学清洗后的有效恢复性。

6.1 膜元件性能规范

测试条件： 操作压力 225 psi (1.55MPa) 测试液温度 77?Ｆ (25 ℃)

测试液浓度 2000 mg/L (as NaCl) 单只膜元件水回收率 15％

测试液pH

7 单支膜元件最低脱盐率 99.0％

最小透过水量

8,200 gpd (31.0m 3

/d)

6.2 使用极限条件

最高操作压力·············································································600psi (4.1MPa) 最高进水流量·············································································70gpm(382m 3

/d) 最高进水温度·············································································113?Ｆ(45 ℃) 最大进水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

单个膜元件最大压力损失···························································20psi (0.14 MPa) 单个膜组件最大压力损失···························································60psi (0.42MPa)

6.3 膜元件尺寸（单位为：英寸（毫米））