2023-05-06
Which is better, reverse osmosis+EDI or traditional ion exchange
01
What is EDI?
The full English name for EDI is electrode ionization, which translates into electrodesalting, also known as electrodeionization, or packed bed electrodialysis.
Electrodeionization technology combines ion exchange and electrodialysis. It is a desalination technology developed on t...
2023-05-06
Control Measures for Inlet Water Quality Index of EDI Ultrapure Water System
Control Measures for Inlet Water Quality Index of EDI Ultrapure Water System
The control measures for the inflow water quality indicators of EDI ultra-pure water system are as follows:
1. Control of inlet water conductivity. Control the conductivity during the pre-treatment process so that the EDI...
2023-05-06
Precautions for adding acid to reverse osmosis inlet water to prevent scaling
Hydrochloric acid and sulfuric acid can be added to the influent water to reduce the pH. Sulfuric acid is more commonly used than hydrochloric acid because it is cheap, does not emit smoke and corrodes surrounding metal components, and the membrane has a higher removal rate of sulfate ions than chlo...
2023-03-16
10 water treatment knowledge
1. What is COD (chemical oxygen demand)?
Chemical oxygen demand (COD) refers to the amount of oxygen required by the oxidizable substances in the wastewater when they are oxidized by chemical oxidants, in mg/L of oxygen. It is the most commonly used method to determine the content of organic matter...
2023-03-14
Several treatment technologies of membrane water treatment
Membrane separation technology is a high and new technology that has risen rapidly in the past 40 years. It has developed into an industrialized high-efficiency energy-saving separation process and an advanced unit operation process.
At present, technologies such as microfiltration, ultrafiltratio...
2023-03-09
Troubleshooting of RO RO RO purified water equipment
Troubleshooting of RO RO RO purified water equipment
The switch is on, but the device does not start.
① Electrical circuit fault, such as broken fuse, wire falling off
② The thermal protection element is not reset after protection
③ Waterway undervoltage, check insurance, check wiring
② Thermal...
2023-05-06
How much do you know about water treatment? Summary of 50 questions and answers on water treatment knowledge
The battle for environmental protection is still raging. I hope that this year's haze control will be effective.
Water is not only the source of life, but also extremely important to human beings, and the pollution is so severe. Long-term drinking of poor water quality can lead to poor physical...