Vontron SW4040HR

VONTRON MEMBRANEn

Who is Vontron? What can RO membrane do?

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Installing A 4040 Vontron Membrane

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Dimensions Of A 4040 Membrane

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SW4040HR Membrane Element

nSW series of aromatic polyamide compound membrane element developed by Vontron Membrane Technology Co., Ltd. is applicable to desalination of seawater. By optimizing the structure of membrane element, the SW series increases the permeate flow, and requires fewer elements for same permeate flow. It is characterized by low operating pressure, low investment in equipment, excellent rejection rate and reliable performance.nnApplicable to treatment of seawater and high-concentration brackish water, the SW series of membrane element is designed for various industrial water treatment, such as seawater desalination, high-concentration brackish water desalting, boiler water replenishment for power plant, and various fields such as recycling of wastewater, concentration and reclamation of such substances with high added value as foodstuff, pharmaceuticals, etc.nnCharacters of SW4040HR Membrane Elements: High permeate flow, High rejection rate, stable rejection rate99.8%. Higher cross-linking index of polyamide layer, wider pH range of cleaning solution(1~13). Lower energy consumption, reduce the investments and operation costs.n

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• Testing Conditions

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• Testing Pressure: 800 psi (5.5Mpa)

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• The temperature of Testing Solution: 25 °C

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• The concentration of Testing Solution (NaCl): 32800ppm

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• pH Value of Testing Solution: 7.5

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• Recovery Rate of Single Membrane Element: 8%

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• Operation Limits & Conditions

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• Max. Working Pressure: 1200psi（8.3Mpa）

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• Max. Feedwater Flow: 16gpm (3.6 m³/h)

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• Max. Feedwater Temperature: 45 °C

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• Max. Feedwater SDI: 5

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• Residual chlorine Concentration of Feedwater: <0.1ppm

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• pH Range of Feedwater during Continuous Operation: 3~10

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• pH Range of Feedwater during Chemical Cleaning: 2~13

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• Max. Pressure Drop of Single Membrane Element: 15psi (0.1Mpa)

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Major Properties Of 4″ LP Element

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nNote: The permeate flow listed in the table is the average value. The permeate flow of single element is tolerance to ±15% of this value.n

Notice:

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1. All data and information provided in this manual have been obtained from long-term experiment by Vontron. We confirm the effective and accuracy of the data. Vontron assumes no liability for any aftermath caused by user’s failure in abiding by the conditions specified in this manual in use or maintenance of membrane products. It is strongly recommended that the user shall strictly abide the designed use and maintenance requirements and keep relevant records

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2. The permeate value listed in the table is the average value. The permeate flow of single membrane element is tolerance not exceeding ±15% of the nominal value.

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3. All wet-type membrane elements have been strictly tested before leaving the factory, and have been treated with 1.0% sodium hydrogen sulfite (10% glycerin antifreeze required in winter) for storage purpose, then sealed with plastic bag in vacuum, and further packed in carton boxes.

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4. The membrane used should remain wet after being used; In long term suspension, to prevent the breeding of microbes, soak the membrane elements with protective solution is highly recommended, the solution (prepared with RO filtered water) containing 1.0% sodium hydrogen sulfite (foodstuff-purpose).

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5. Operate low pressure flushing for 15-25 minutes of first use, high pressure flushing for 60-90 minutes when first use (Permeate volume no less than 50% of designed volume). Discard all the permeate and condensed water produced during the first one hour after system start-up.

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6. During storage time and operation period, it is strictly prohibited to added any chemical medicament that may be harmful to membrane elements. In case of any violation in adding chemical medicament, Vontron assumes no liability for any damages incurred.

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7. Along with technical development and product renovation, all information will be subject to modification without prior notification. Please keep notice the website of Vontron for any updates of the product.

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