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membrane osmosis reverse
membrane osmosis reverse
Reverse osmosis (RO) is a process whereby water is passed through a membrane under pressure in cross-flow fashion. With its exceptional purifying efficiency, reverse osmosis is one of the most economical methods for the removal of up to 99% of impurities.
reverse osmosis membrane ULP-8040HF is applicable to the desalination of municipal water, groundwater with salt concentration less than 1500ppm, and can be widely
used in residential dual water supplying system, pure water preparation plant, industry, food production and other fields etc.
How it works
During reverse osmosis, feedwater is pumped past the input side of an RO membrane under pressure (typically 4-15 bar, 60-220 psi) in cross-flow fashion. Typically 15-30% of feedwater passes through the membrane as permeate and the exits the membrane as the concentrate that contains most of the salts, organics and essentially all particulates.
RO membranes are typically thin film polyamide and are stable over a wide pH range, however, they can be damaged by oxidizing agents such as chlorine, so pretreatment is usually required to protect the membrane. RO membranes are used to remove water contaminants and reject water contaminants that are less than 1 nm in diameter. Typically over 90% of ionic impurity, most organic impurity, and nearly all particulates, bacteria and bio-molecules are removed from the filtrate or permeate water; these are carried out of the RO module in a waste or concentrate water stream.Water purification membrane osmosis reverse
Model & Parameters
| Series | Model | Active Membrane Area ft2(m2) | Permeate Flow GPD(m3/d) | Salt Rejection Rate (%) |
| XLP | XLP-8040 | 440(40.9) | 11000(41.6) | 99.2 |
| ULP | ULP-8040MR-2 | 440(40.9) | 10000(37.8) | 99.6 |
| ULP-8040-HF | 440(40.9) | 12500(47.3) | 99.5 | |
| ULP-80400-2 | 400(37.2) | 11500(43.5) | 99.3 | |
| BW | BW-8040MR | 365(33.9) | 9500(35.9) | 99.7 |
| BW-8040 | 400(37.2) | 10500(39.7) | 99.6 | |
| BW-8040HF | 440(40.9) | 13000(49.2) | 99.5 | |
| FR | BW-8040FR | 365(33.9) | 9500(35.9) | 99.7 |
| BW-8040XLFR | 400(37.2) | 10500(39.7) | 99.7 | |
| SW | SW-8040HR | 400(37.2) | 6500(24.6) | 99.8 |
| SW-8040MR | 400(37.2) | 7500(28.3) | 99.75 |
Standard Test Condition
| Series | Model | Temperature 25 ℃, PH 7.5-8.0 | ||
| Series | Model | Concentration of Solution (NaCl) | Operating Pressure psi(MPa) | Recovery Rate（%） |
| XLP | XLP-8040 | 500 | 100(0.69） | 15 |
| ULP | ULP-8040MR-2 | 1500 | 150（1.03） | 15 |
| ULP-8040-HF | ||||
| ULP-80400-2 | ||||
| BW | BW-8040MR | 2000 | 225（1.55） | 15 |
| BW-8040 | ||||
| BW-8040HF | ||||
| FR | BW-8040FR | 2000 | 225（1.55） | 15 |
| BW-8040XLFR | ||||
| SW | SW-8040HR | 32000 | 800（5.5） | 8 |
| SW-8040MR |
Engineering Case
Groundwater Treatment
The ground water is features of high hardness, with process of "disc filter + UF + RO" ,
adopting RO Membrane Element-ULP-8040HF
it’s running since April 2016, the stable rejection rate is 98.5%, permeate water is stable as well.
membrane osmosis reverse
Surface Water Treatment
"UF +RO” double membrane" treatment Process. Its daily treatment capability reaches to 50,000 tons.
membrane osmosis reverse
Landfill Leachate Treatment
Its leachate processing capacity up to 1,800 tons per day, the treated wastewater fully meet the national discharged standards,
which regard as a demonstrative project for treatment of solid wastes disposal by the National Ministry of Housing and Urban-Rural
Development.
membrane osmosis reverse
Food Process Water
The pure water system of Shanghai Production Base is applying "ULP-8040" RO membrane element with 200 tons per hour
output from June, 2013. So far, membrane system is working under a well condition, which has gained the recognition of their
leader for stable membrane performance.
membrane osmosis reverse
| reverse osmosis membrane ULP-8040HF | is applicable to the desalination of municipal water, groundwater with salt concentration less than 1500ppm, and can be widely |
|---|
Reverse osmosis (RO) is a water purification process that uses a semipermeable membrane to remove ions, molecules, and larger particles from drinking water. It operates under pressure and is capable of removing up to 99% of impurities.
The ULP-8040HF has an active membrane area of 440 ft² (approximately 40.9 m²).
The ULP-8040HF has a typical permeate flow rate of 12,500 gallons per day (GPD), which is about 47.3 m³/d.
The ULP-8040HF has a salt rejection rate of 99.5%, which means it effectively removes a significant percentage of dissolved salts from water.
The ULP-8040HF is suitable for desalinating municipal water and groundwater with a salt concentration of less than 1500 ppm. It's widely used in residential, industrial, and food production applications.
Yes, pretreatment is often required to protect the RO membrane from damage by oxidizing agents like chlorine. This can involve filtration or other methods to ensure the longevity of the membrane.
The ULP-8040HF membrane can remove over 90% of ionic impurities, most organic impurities, and nearly all particulates, bacteria, and biomolecules that are less than 1 nm in diameter.
The ULP-8040HF operates under a pressure range of typically 4-15 bar (60-220 psi).
The ULP-8040HF is used in various applications, including groundwater treatment, surface water treatment, landfill leachate treatment, and food process water purification.
The recovery rate of the ULP-8040HF is typically around 15%, meaning that 15% of the feedwater is converted into permeate.
The lifespan of the ULP-8040HF membrane can vary based on water quality and maintenance practices, but with proper pretreatment and care, it can last several years.
Yes, the ULP-8040HF membrane is designed for potable water applications and effectively removes harmful contaminants, making the treated water safe for drinking.
The ULP-8040HF is designed for water with a salt concentration of less than 1500 ppm and is not suitable for direct seawater desalination.
Regular maintenance includes monitoring water quality, replacing prefilters, and cleaning the membrane as needed to prevent fouling and extend its lifespan.
The contaminants removed by the ULP-8040HF are carried away in a waste or concentrate stream, which is typically disposed of according to local regulations.
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