日本东丽TM720D-400反渗透膜元件性能特点：
TM720D-400 8英寸低压化学耐久性反渗透膜元件是采用新的材料及生产技术的一款高脱盐率、高产水量、耐化学清洗的膜元件。
TM720D-400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,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。
TM720D-400是目前拥有高产水量,高脱盐率的苦咸水膜元件；具有宽泛的清洗pH 值范围（pH1~13）,可以快速有效的解决膜元件的污染问题；反渗透膜片能够承受一定范围内,由于操作失误等原因造成的轻微余氯泄露事故,提高了系统的安全性。
东丽TM20D-400反渗透膜元件性能规范：
| 基本参数 | |||
| 标准脱盐率： | 99.8% | 产水量： | 1100GPD/41.6m³/d |
| 有效膜面积： | 400ft²（37m²） | 进水流道宽度： | 34mil |
| 测试标准 | |||
| 操作压力： | 225psi(1.55MPa) | 测试液温度： | 77 ﾟＦ (25 ℃) |
| 测试液浓度： | 2000 mg/L (as NaCl) | 测试液pH： | 7 |
| 测试结果 | |||
| 单只膜元件水回收率： | 15% | 小透过水量： | 8,900gpd (33.6m³/d) |
| 单支膜元件低脱盐率： | 99.65％ | ||
东丽TM20D-400反渗透膜使用极限条件：
高操作压力································································600psi (4.1MPa)
高进水流·································································70gpm(382m3/d)
高进水温度····································································113 ﾟＦ(45 ℃)
大进水SDI········································································5
进水自由氯浓度········································································＜0.1mg/L
连续运行时进水pH 范围·································································2－11
化学清洗时进水pH 范围·································································1－13
单个膜元件大压力损失·············································15psi (0.1 MPa)
单个膜组件大压力损失············································50psi (0.34MPa)
东丽TM20D-400反渗透膜元件尺寸（单位为：英寸（毫米））：
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