Bluestar Toray Membrane Technology (Beijing) Co., Ltd. (abbreviated as TBMC) is a model enterprise in the domestic field of reverse osmosis membranes that has been successfully digested and mastered by central enterprises. TBMC introduces the world's leading technology, builds China's largest, most advanced and most complete reverse osmosis membrane production base in China, and is the first domestic reverse osmosis membrane supplier to have a complete set of the world's leading full-automatic membrane roll technology.

Bluestar Toray's domestically produced reverse osmosis membrane products have been successfully used in many domestic desalination, wastewater reuse and ultrapure water projects, and have been used in important industries such as petrochemical, municipal, power, metallurgy, electronics, and medicine. The field of people's livelihood has shaped a model case of stable operation.

In order to better serve local Chinese users, based on the understanding of China's water quality research and operation management characteristics, Blue Star Toray has launched a new generation of high-chemical durability reverse osmosis membrane (red membrane) since October 2011. In addition, Bluestar Toray and its distribution agent partners have jointly established a professional business and technical support service network, providing comprehensive services to the most basic users through a service network covering all large, medium and small customers, and comprehensively improving the industry's service level.

Membrane application related materials (membrane application special news) professionally planned and produced by Bluestar Toray, benefit the majority of users by popularizing membrane technology basic knowledge and application experience.

  • Issue 1: Precautions for commissioning new membranes for reverse osmosis systems
  • Date: January 04, 2013
  • Dear customer, is your system going into operation before the Chinese New Year? Do you have many questions and concerns about the installation and operation of reverse osmosis membranes? To ensure the smooth operation of your RO system, please refer to the following steps.
  • Issue 2: How to control microbial pollution
  • Date: March 08, 2013
  • After the shock, the weather gradually warmed, and the temperature in all parts of the country, especially in the south, rose rapidly, and the earth was full of spring.
    While enjoying the convenience and good feelings of life brought by spring, environmental protection people need to start paying attention to the microorganisms breeding due to high temperature, so as to avoid causing pollution to reverse osmosis membrane elements and affecting the normal operation of water treatment systems.
  • Phase 3: Occurrence and prevention of oxidation accidents in reverse osmosis systems
  • Date: April 22, 2013
  • In the past ten years, reverse osmosis membrane products have been widely used in surface water, reclaimed water, wastewater treatment, seawater desalination, and pure water and ultrapure water manufacturing fields. Those who are familiar with reverse osmosis membrane technology know that aromatic polyamide reverse osmosis membrane is easily oxidized by oxidant. Therefore, if the oxidation process is used in pretreatment, it must pay attention to cooperate with the corresponding reduction means. At the same time, continuously improving the oxidation resistance of reverse osmosis membranes has also become an important measure for membrane manufacturers to pursue technological innovation and improve the performance of membrane elements.
  • Phase 4: System maintenance under high water temperature conditions
  • Date: June 08, 2013
  • When the water temperature rises, in some constant flow systems, we will find that the system's salt rejection rate has decreased. This is because the water temperature rises due to the decrease in viscosity and the increase in water flux. If the constant flow operation is continued, the operating pressure required to produce the same flow of water will decrease, and the reduction in operating pressure will cause the desalination rate to decrease and subsequent desalination. The equipment's regeneration cycle will be shortened at the same time.
  • Issue 5: Chemical cleaning is a necessary condition for stable system operation
  • Date: August 18, 2013
  • In the past ten years, reverse osmosis membrane products have been widely used in surface water, reclaimed water, wastewater treatment, seawater desalination, and pure water and ultrapure water manufacturing fields. Those who are familiar with reverse osmosis membrane technology know that aromatic polyamide reverse osmosis membrane is easily oxidized by oxidant. Therefore, if the oxidation process is used in pretreatment, it must pay attention to cooperate with the corresponding reduction means. At the same time, continuously improving the oxidation resistance of reverse osmosis membranes has also become an important measure for membrane manufacturers to pursue technological innovation and improve the performance of membrane elements.
  • Issue 6: Impact of Low Temperature on RO System and Countermeasures
  • Date: November 14, 2013
  • Because the water flux of the RO membrane system increases with the increase in operating pressure, when the water temperature is too low in winter, the system's water production can be increased by increasing the operating pressure of the high-pressure pump. It is recommended to use a variable frequency pump. By adjusting the speed of the pump motor, the purpose of ensuring that the RO system is balanced at different temperatures is achieved.
  • Issue 7: Replacement of reverse osmosis membrane elements
  • Date: December 25, 2013
  • With the increase of the service life, when the reverse osmosis membrane can not meet the system desalination rate and water production requirements, it is necessary to replace the membrane element. What should be paid attention to when replacing the membrane element? Let us take a look!
  • Issue 8: Design guidelines for reverse osmosis membrane cleaning systems
  • Date: February 20, 2014
  • During normal use, the reverse osmosis membrane element will be contaminated by organic substances such as inorganic scale, microorganisms, colloidal particles, etc. At this time, the membrane element needs to be cleaned.
  • Issue 9: How to save the RO system during shutdown
  • Date: April 11, 2014
  • After the reverse osmosis system is put into operation, it will encounter a state of shutdown due to production planning reasons. Disposal of the membrane system under shutdown will affect the performance and life of the membrane element. The following will introduce several common methods of downtime saving.
  • Issue 10: A Simple Method for Judging the Pollution of Reverse Osmosis System
  • Date: May 25, 2014
  • Because there are many types of pollutants, this article only introduces a few common and easily identifiable pollutants. Let ’s take a look at the simple method of determining pollution!
  • Issue 11: Significance of standardization of RO system operating data
  • Date: July 12, 2014
  • The standardization of the operating data of the reverse osmosis system means that a standard test condition is set to facilitate the comparison of the current operating performance parameters with the initial performance parameters.
  • Issue 12: What membranes are used in municipal drinking water
  • Date: November 22, 2014
  • The introduction of the new national standard will inevitably promote the improvement of drinking water quality in our country. Traditional processes can only remove suspended impurities. For some smaller inorganic and organic substances, a new process in the municipal field-the membrane process.
  • Issue 13: How to choose the right reverse osmosis membrane product
  • Date: December 25, 2014
  • In the final analysis, the choice of membrane products is confirmed according to the quality of the raw water and the customer's requirements for the membrane treatment process and the quality of the produced water. The type and model of the membrane element are also set according to the above requirements.
  • Issue 14: Instrument Calibration for Reverse Osmosis System
  • Date: March 12, 2015
  • Generally, during the commissioning phase of the reverse osmosis system, various meters will be calibrated by professionals to meet the requirements for use. However, after a period of use, the meter will have more or less measurement deviation due to various reasons. Normal operation of the device.
  • Issue 15: Pretreatment requirements for reverse osmosis membrane systems
  • Date: May 16, 2015
  • The operation of reverse osmosis system failed in most cases due to incomplete function of pretreatment system. In order to ensure the normal operation of the reverse osmosis process, the raw water must be strictly pretreated.
  • Issue 16: Comparison of dry film elements and wet film elements
  • Date: July 25, 2015
  • At present, mature reverse osmosis membrane element products on the market are mainly divided into two types from the form of reverse osmosis membrane element, one is a wet membrane element, and the other is a dry membrane element. Regarding the characteristics of the two membrane elements, this article analyzes the formation, advantages and disadvantages of the two membrane elements.
  • Issue 17: Methods for preventing fouling of reverse osmosis membranes
  • Date: November 1, 2015
  • A common reverse osmosis system is a physical concentration and separation process of raw water. A very small part of the inorganic salts in the water enters the produced water through reverse osmosis, and most of the inorganic salts will remain in the concentrated water. When the water-insoluble salts are concentrated to the limit of solubility, they will precipitate out in solid form on the membrane surface, which is what we often call scaling.
  • Issue 18: Calculation of energy consumption for reverse osmosis systems
  • Date: January 29, 2016
  • As an emerging water treatment technology, reverse osmosis water treatment technology has been widely penetrated into our daily production and life. However, in our production process, the energy consumption of the reverse osmosis system cannot be accurately evaluated.
  • Issue 19: Why set FF and SPI in software
  • Date: July 20, 2016
  • During the operation of the reverse osmosis system, part of the water flow in the raw water passes through the membrane in a direction perpendicular to the membrane surface, and the other part of the impervious water flow passes in a direction parallel to the membrane surface. Therefore, it is a cross-flow filtration process. category. During the water production process of the reverse osmosis system, when water flows vertically through the reverse osmosis membrane, the salts and other colloidal pollutants in the raw water are concentrated on the surface of the membrane by the net pressure of the feed water, and precipitate on the membrane surface or accumulate in the gap. .

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