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Home RO reverse osmosis membrane elements 1812/2012/3012 | High desalination, high economy, high flux (three types)

Product Information

Home and office drinking water systems, water purifier filter replacement, and small commercial systems. Home RO reverse osmosis membrane elements 1812/2012/3012 | High desalination, high economy, high flux (three types)

Ultra-low pressure operation

三種應用類型怎麼選

沁森家用型 RO 膜元件採用超低壓芳香聚醯胺複合膜片捲製，適用於含鹽量 1000 mg/L 以內的原水脫鹽處理，主要應用於家庭或辦公場所的小型直飲水裝置。

 

原廠將 12 個型號分為三種應用類型，反映的是脫鹽率與產水量的取捨:

  • 高脫鹽（RO-1812-50、RO-1812-75-2、RO-2012-100-2）｜脫鹽率 98.50%，系列最高。適合原水水質較差、或對出水純度要求高的場合
  • 高經濟（RO-1812-75、RO-2012-100／150、RO-2812-200）｜脫鹽率 97~98%，效能與成本平衡，是最主流的選擇
  • 高通量（RO-3012／3013 系列，400~600 GPD）｜產水量優先，適合用水量大或不希望等待的場合

 

注意同樣是 75 GPD，也有兩種選擇：RO-1812-75-2 屬高脫鹽型（膜面積 5.0 ft²、脫鹽率 98.50%），RO-1812-75 屬高經濟型（膜面積 4.2 ft²、脫鹽率 98.00%）。100 GPD 亦同。選型時除了看產水量，也要確認應用類型。

 

脫鹽率有兩種測試方法，比較時務必對齊

規格表列出兩組脫鹽率數值，差異來自測試條件不同:

  • 測試方法 A｜500 mg/L 混合鹽（NaHCO₃、CaCl₂、NaCl）、回收率 50%——條件較嚴苛，數值較低
  • 測試方法 B｜250 mg/L NaCl、回收率 20–30%——條件較寬鬆，數值較高

兩者相差 2~3 個百分點。與其他品牌比較時，必須確認對方標示的是哪一種測試條件，否則會誤判。市場上常見的「脫鹽率 98%」多半是類似方法 B 的條件。

 

此外，單支膜元件的產水量會在 ±15% 範圍內變化、脫鹽率在 ±2% 範圍內變化，這是膜元件的正常製造公差。

 

更換時要確認的三件事

一、尺寸編號——1812 代表直徑 1.8 吋、長度 12 吋，以此類推。尺寸必須與現有濾殼相符才裝得進去。

 

二、產水量（GPD）——GPD 是每日產水加侖數。更換時通常選擇與原本相同的規格；若想提高產水量，需確認系統的泵浦與壓力桶能否配合。

 

三、進水條件——最高進水溫度 45°C、最大餘氯濃度 0.1 mg/L。餘氯是家用 RO 膜最常見的損壞原因：芳香聚醯胺膜遇氧化劑會造成不可逆損傷，無法清洗恢復。這也是 RO

系統前段必須配置活性碳濾芯的原因——若活性碳未定期更換，RO 膜的壽命會明顯縮短。

 

連續運行的 pH 範圍為 3–10，最高操作壓力 300 psi。

 

工業與商用應用請參考其他系列

家用型適用於含鹽量 1000 mg/L 以內的小型直飲水裝置。若您的應用規模或水質條件不同，沁森另有對應系列：

若不確定所需規格，可提供現有膜元件型號或設備資訊，由瑞順協助確認。

超低壓運轉技術講解

產品規格（12 型號）

型號 有效膜面積 ft²(m²) 日產水量 GPD(m³/d) 脫鹽率 A(%) 脫鹽率 B(%) 應用類型
RO-1812-50 4.2(0.39) 50(0.19) 96.00 98.50 高脫鹽
RO-1812-75-2 5.0(0.46) 75(0.28) 96.00 98.50 高脫鹽
RO-2012-100-2 6.3(0.59) 100(0.38) 96.00 98.50 高脫鹽
RO-1812-75 4.2(0.39) 75(0.28) 95.00 98.00 高經濟
RO-2012-100 6.3(0.59) 100(0.38) 95.00 98.00 高經濟
RO-2012-150 6.3(0.59) 150(0.57) 94.00 97.00 高經濟
RO-2812-200 10.5(0.98) 200(0.76) 95.00 98.00 高經濟
RO-3012-400 14.7(1.37) 400(1.51) 95.00 98.00 高通量
RO-3013-400 16.5(1.53) 400(1.51) 95.00 98.00 高通量
RO-3012-500 16.8(1.56) 500(1.89) 95.00 98.00 高通量
RO-3012-600 16.8(1.56) 600(2.27) 94.00 97.00 高通量
RO-3013-600 18.9(1.77) 600(2.27) 94.00 97.00 高通量

 

測試方法（脫鹽率依測試條件而異）

測試方法 測試液 water temperature pH operating pressure Recovery rate
A 500 mg/L（NaHCO₃、CaCl₂、NaCl） 25°C 7.5–8.0 60 psi(0.41 MPa)＊ 50%
B 250 mg/L NaCl 25°C 7.5–8.0 60 psi(0.41 MPa)＊ 20–30%

 

膜元件操作極限

project 數值
最高操作壓力 300 psi(2.07 MPa)
最高進水溫度 45°C
最大進水 SDI₁₅ 5.0
最大餘氯濃度 0.1 mg/L
連續運行時進水 pH 範圍 3–10
化學清洗時進水 pH 範圍 2–12
單支膜元件最大允許壓降 10 psi(0.07 MPa)

 

超低壓運轉 尺寸圖

1812｜2012｜2812｜3012｜3013（尺寸編號代表直徑與長度，單位英吋）

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