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Ineffective monitoring of residual chlorine in reverse osmosis equipmentIf the pump for adding NaHSO3 fails or the liquid fails, or the membrane is damaged by residual chlorine when the activated carbon is saturated.Improper cleaning and incorrect cleaning methods lead to damage of membrane performa Read More
White or black suspended particles appear in pure water Solution: This is because the pipeline is contaminated, resulting in the growth of bacteria. This situation should be dissolved caustic soda into the precision filter, operate the regulating valve to close the waste water, pure water open to a Read More
1、How often should the reverse osmosis system be cleaned?In general, when the standardized flux decreases by 10-15%, or the system desalination rate decreases by 10-15%, or the operating pressure and differential pressure between segments increases by 10-15%, the RO system should be cleaned.Cleaning Read More
4. The selection points of the installation location of water softening equipmentWater softening equipment has good water quality and stable system operation, and is used by many enterprises. While installing water softening equipment, the following points should be noted.(1) Water softening equipme Read More
1. Reverse osmosis equipment in the seal ring expansion phenomenonWater treatment equipment in reverse osmosis equipment in order to achieve the membrane shell between the zones of sealing isolation, the membrane shell requires three types of sealing rubber ring. In order to reduce the installation Read More
Currently in water filtration, reverse osmosis membranes and nanofiltration membranes are the most commonly used membrane elements, but many users have a vague understanding of reverse osmosis membranes and nanofiltration membranes. Today Jun Xin will introduce to you what the differences between RO and NF membranes are, as well as the commonalities and differences. Read More
The microstructure and filtration mechanism of reverse osmosis (RO) membranes, the most efficient filter membranes for contaminant retention, has been a hot topic of research. So, is an RO membrane a porous or non-porous membrane? The knowledge and answer to this question will have a direct impact on the understanding of the filtration mechanism of RO membranes. The answer to this question is changing with the advancement of technology and the deeper analysis of the microstructure of RO membranes. Read More
The invention and large-scale application of Reverse Osmosis (RO) is a landmark achievement in the development of modern water treatment technology. As an advanced membrane separation technology developed after the 1950s, RO has been widely used in desalination, brackish water desalination, domestic water purification and wastewater reuse, etc. In 2018, more than 11 billion tonnes of desalinated water were produced worldwide using RO technology, which could be used by 320 million people. Over the past 70 years, many important scientists, entrepreneurs and a large number of technology companies have joined forces to perform a fascinating history of the development of reverse osmosis technology. Read More
Reverse osmosis membrane is the key equipment of the reverse osmosis system, the system for a long time in continuous operation, the water calcium and magnesium plasma will be constantly precipitated and attached to the surface of the reverse osmosis membrane, the formation of scaling blocking the membrane pores, which will affect the efficiency of the reverse osmosis system water, damage to the reverse osmosis membrane. As the reverse osmosis membrane is more expensive, so in the operation of the system, to increase a section of the dosing system, water treatment equipment in the water with reverse osmosis scale inhibitor, delay the precipitation of calcium and magnesium ions and membrane surface scaling. Read More
For each membrane unit, people want it to function to the maximum, hoping for the highest desalination rate, maximum water permeability and the longest possible life. A reasonable pre-treatment is essential for the long-term safe operation of the reverse osmosis plant. Read More
In system operation, membrane contamination is a very difficult problem, which causes a significant decrease in the removal rate and water permeability of the reverse osmosis unit and membrane flux, as well as increasing the operating pressure of each section and contributing to higher operating and operational costs, which seriously affects the service life of the membrane and the development and utilization of reverse osmosis technology. Read More
When the raw water is not flowing into the reverse osmosis membrane system, all remaining abnormal substances in the pre-treatment equipment that may accompany the flow of water should first be thoroughly removed before commissioning the equipment. Read More
Reverse osmosis equipment is easy to operate and its high efficiency saves money in various areas such as manpower. However, some problems inevitably occur in the daily operation of reverse osmosis equipment, so in order to extend the service life of reverse osmosis equipment, the operator should not only have certain maintenance skills, but also the daily data of reverse osmosis equipment is particularly important to record. Read More
The reverse osmosis unit applies membrane separation technology and can effectively remove charged ions, inorganic substances, colloidal particles, bacteria and organic substances from water. It is the best equipment for high purity water preparation, brackish water desalination and wastewater treatment process. It is widely used in electronics, medicine, food, light textile, chemical industry, power generation and other fields. Read More
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Nanjing Junxin Environmental Technology Co., Ltd
Add: No. 108 Xishanqiao South Road, Yuhua District, Boji Technology Park, Nanjing City, Jiangsu Province, China.