日本東麗TM720D-400反滲透膜元件 性能特點：
TM720D-400 8英寸低壓化學耐久性反滲透膜元件是采用新的材料及生產(chǎn)技術的一款高脫鹽率、高產(chǎn)水量、耐化學清洗的膜元件。
TM720D-400有效膜面積為400 平方英尺，給水流道34mil。適合于含鹽量10000ppm 以下的苦咸水淡化，以及微污染地表水的脫鹽、冷卻循環(huán)排污水的回用等各種應用領域。
TM720D-400是目前擁有高產(chǎn)水量，高脫鹽率的苦咸水膜元件；具有寬泛的清洗pH 值范圍（pH1~13），可以快速有效的解決膜元件的污染問題；反滲透膜片能夠承受一定范圍內(nèi)，由于操作失誤等原因造成的輕微余氯泄露事故，提高了系統(tǒng)的安全性。
東麗TM20D-400反滲透膜元件性能規(guī)范 ：
| 基本參數(shù) | |||
| 標準脫鹽率： | 99.8% | 產(chǎn)水量： | 1100GPD/41.6m³/d |
| 有效膜面積： | 400ft² （37m²） | 進水流道寬度： | 34mil |
| 測試標準 | |||
| 操作壓力： | 225psi(1.55MPa) | 測試液溫度： | 77 ?Ｆ (25 ℃) |
| 測試液濃度： | 2000 mg/L (as NaCl) | 測試液pH： | 7 |
| 測試結果 | |||
| 單只膜元件水回收率： | 15% | 小透過水量： | 8,900gpd (33.6m³/d) |
| 單支膜元件低脫鹽率： | 99.65％ | ||
東麗TM20D-400反滲透膜使用極限條件：
高操作壓力································································600psi (4.1MPa)
高進水流·································································70gpm(382m3/d)
高進水溫度····································································113 ?Ｆ(45 ℃)
大進水SDI········································································5
進水自由氯濃度········································································＜0.1mg/L
連續(xù)運行時進水pH 范圍·································································2－11
化學清洗時進水pH 范圍·································································1－13
單個膜元件大壓力損失·············································15psi (0.1 MPa)
單個膜組件大壓力損失············································50psi (0.34MPa)
東麗TM20D-400反滲透膜元件尺寸（單位為：英寸（毫米））：
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