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日本東麗TML20D-400反滲透RO膜元件 性能特點(diǎn)：
東麗RO膜TML20D-400 8英寸低壓化學(xué)耐久性反滲透膜元件 是采用新的材料及生產(chǎn)技術(shù)的一款高脫鹽率、高產(chǎn)水量、耐化學(xué)清洗的膜元 件。
有效膜面積為400平方英尺，給水流道34mil， 適合于含鹽量約10000ppm以下的給水， 有較嚴(yán)格的預(yù)處理、但給水中仍含有有機(jī)物等污染物的領(lǐng)域。由于其膜片呈電中性，這大大 減少了細(xì)菌、微生物在膜表面的吸附；寬的34mil給水流道，使其不僅有較強(qiáng)的抗污染性， 更具有化學(xué)清洗后的有效恢復(fù)性。
TML20D-400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(wèn)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。
TML20D-400反滲透膜元件性能規(guī)范 ：
| 基本參數(shù) | |||
| 標(biāo)準(zhǔn)脫鹽率： | 99.8% | 產(chǎn)水量： | 10500GPD/39.7m³/d |
| 有效膜面積： | 400ft² （37m²） | 進(jìn)水流道寬度： | 34mil |
| 測(cè)試標(biāo)準(zhǔn) | |||
| 操作壓力： | 225psi(1.55MPa) | 測(cè)試液溫度： | 77 ?Ｆ (25 ℃) |
| 測(cè)試液濃度： | 2000 mg/L (as NaCl) | 測(cè)試液pH： | 7 |
| 測(cè)試結(jié)果 | |||
| 單只膜元件水回收率： | 15% | 小透過(guò)水量： | 8,400gpd (31.8m³/d) |
| 單支膜元件低脫鹽率： | 99.65％ | ||
TML20D-400反滲透膜使用極限條件：
高操作壓力································································600psi (4.1MPa)
高進(jìn)水流·································································70gpm(382m3/d)
高進(jìn)水溫度····································································113 ?Ｆ(45 ℃)
大進(jìn)水SDI········································································5
進(jìn)水自由氯濃度········································································＜0.1mg/L
連續(xù)運(yùn)行時(shí)進(jìn)水pH 范圍·································································2－11
化學(xué)清洗時(shí)進(jìn)水pH 范圍·································································1－13
單個(gè)膜元件大壓力損失·············································15psi (0.1 MPa)
單個(gè)膜組件大壓力損失············································50psi (0.34MPa)
設(shè)備原理
東麗TML20D-400反滲透膜元件尺寸（單位為：英寸（毫米））：
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