Ultra-Low-Pressure Reverse Osmosis ULP Series Membrane Elements
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  • Ultra-Low-Pressure Reverse Osmosis ULP Series Membrane Elements

Ultra-Low-Pressure Reverse Osmosis ULP Series Membrane Elements

ULP-series membrane elements are suitable for desalination applications using municipal tap water or groundwater as the feedwater source, under low-salinity conditions (TDS < 1000 mg/L). They are primarily employed in large-scale residential water supply systems, purified water production, and the preparation of industrial-grade pure water for food, beverage, and other industries.
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Reverse Osmosis Membrane Elements

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详情 Detailed description

(1) Product Positioning

ULP-series membrane elements are suitable for desalination applications using municipal tap water or groundwater as the feedwater source, under low-salinity conditions (TDS < 1000 mg/L). They are primarily employed in large-scale residential water supply systems, purified water production, and the preparation of industrial-grade pure water for food and beverage industries, among many other fields.

(2) Product Features

It can achieve a high water flux under extremely low operating pressures while maintaining a high desalination rate, with an operating pressure approximately 30–50% lower than that of conventional brackish‑water membranes and an energy consumption reduction of more than 20%.

(3) Product Performance

Model number Average water production 
GPD(m3/d)		 Stable desalination rate (%) Minimum desalination rate (%) Effective membrane area ft² (m²) Inlet grid thickness (mil)
LP-8040-HF 13000(49.3) 99.0 98.5 400 (37.2) 31
ULP-8040-HR 10500(39.8) 99.3 99.0 400 (37.2) 31
ULP-4040 2800(10.6) 99.0 98.5 78 (7.2) 31

(a) Standard test conditions: 1500 ppm NaCl, 150 psi (1.03 MPa), 25°C, pH = 7–8, recovery rate of 15%.

(b) The water production of a single membrane element may vary within a range of ±15%.

(c) Operating and Cleaning Limits

Maximum operating pressure 300 psi (2.07 MPa) Permitted free chlorine concentration 0.1ppm
Maximum inlet water temperature 45℃ Influent range during continuous operation 3~10
Maximum inflow rate 17.0 m³/h (8040), 3.6 m³/h (4040) Feed water range during chemical cleaning 1~12
Maximum water intake 5 Maximum allowable pressure drop per single membrane element 15 psi (0.1 MPa)

Keywords: Ultra-Low-Pressure Reverse Osmosis ULP Series Membrane Elements

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