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Vontron 4040 Membrane

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Vontron 4040 Membrane

Description

2-2 VONTRON Industrial Membrane Elements

2.2.1 LP Series of Membrane Element

Brief Introduction
The LP (low pressure) series of aromatic polyamide compound membrane element developed by Vontron Technology Co., Ltd. has the properties of low-pressure operation, high permeate flow and excellent desalination and are applicable to desalination of brackish water. Besides, it is particularly applicable to fabrication of high-purity water for electronic industry and electric power industry owing to its excellent performance in removing soluble salts, TOC, SiO2, etc. Being suitable for desalting such water sources as surface water, underground water, tap water and municipal water, etc., LP series is mainly applicable to treatment of various industrial water such as industrial-purpose pure water, boiler water replenishment in power plant, and can be also applied to such brackish water applications as treatment of high-concentrated saline waste water and production of beverage-purpose water.

Specifications and Major Properties
Model Active Membrane Area ft2(m2) Average Permeated Flow GPD (m3/d) Stable Rejection Rate (%) Minimum Rejection Rate (%)
LP21-8040 365(33.9) 9600(36.3) 99.5 99.3
LP22-8040 400(37.0) 10500(39.7) 99.5 99.3
LP21-4040 85(7.9) 2400(9.1) 99.5 99.3

 

Testing Conditions:

Testing Pressure…………………………………225 psi (1.55Mpa)
Temperature of Testing Solution …………..…25 ℃
Concentration of Testing Solution (NaCl)…….. 2000ppm
pH Value of Testing Solution ……………….….7.5
Recovery Rate of Single Membrane Element….15%

 

Extreme Operation Conditions
Max. Working Pressure…………………...…….………. 600psi(4.14Mpa)
Max. Feedwater Flow…………………………………… 75gpm (17 m3/h)
(8040)
16gpm (3.6 m3/h)
(4040)
Max. Feedwater Temperature…………………….……… 45℃
Max. Feedwater SDI………………….………………….. 5
Residual chlorine Concentration of Feedwater……………… <0.1ppm
pH Range of Feedwater during Continuous Operation….. 3~10
pH Range of Feedwater during Chemical Cleaning……... 2~12
Max. Pressure Drop of Single Membrane Element……. 15psi(0.1Mpa)

Dimensions of Membrane Element
All dimensions are shown in: millimeter (inch)

Important Information

  1. Any specific application must be limited within the extreme operating conditions. We strongly recommend you to refer to the latest edition of technology manual and design guide prepared by Vontron Technology Co., Ltd., or consult experts proficient in membrane technology. In case the customer fails to follow the operating conditions as specified in this manual, Vontron technology Co., Ltd. will assume no liability for all results.
  2. The permeate flow listed in the table is the average value. The permeate flow of single membrane element is within a tolerance not exceeding ±20% of the nominal value.
  3. All wet-type membrane elements have been strictly tested before leaving the factory, and have been treated with the solution of 1.0% sodium hydrogen sulphite (an antifreeze solution of 10% propanediol required in winter) for storage purpose, then sealed with plastic bag in vacuum, and further packed in carton boxes. In order to prevent the breeding of microbes during short-time storage, transportation and system standby, we recommend you to soak the membrane elements with protective solution (prepared with RO filtered water) containing 1.0% sodium hydrogen sulfite (foodstuff-purpose).
  4. Discard the RO-filtered water produced during the first one hour after system start-up.
  5. During storage time and run time, it is strictly prohibited to dose any chemical medicament that may be harmful to membrane elements. In case of any violation in using this kind of chemical medicament, Vontron Technology Co., Ltd. assumes no liability for any outcome incurred here from.

Points of Attention

  1. All data and information provided in this manual have been obtained from long-term experiment by Vontron Technology Co., Ltd. We truly believe that these data and information are accurate and effective. Vontron Technology CO., Ltd. 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 by the requirements for design, use and maintenance of products and keep relevant records.

Along with technical development and product renovation, the information contained herein will be subject to modification without prior notification. Please keep an eye on the website of Vontron Technology Co., Ltd. for any update of product.

 

Datasheet PDF ( 36.28kb)

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