2024-12-24
[ Hongjie Water ] How many ways can you name of membrane arrangement?
【 Hongjie Water 】 How many ways can you name of membrane arrangement?
Stage : refers to the number of times the raw water penetrates, that is, the number of times the produced water passes through the reverse osmosis membrane element. The desalination rate of the first stage of reverse osmosis can ...
2024-12-23
How to treat high ammonia nitrogen wastewater and what methods to use
How to treat high ammonia nitrogen wastewater and what methods to use
With the rapid development of industry and the acceleration of urbanization, the ammonia nitrogen content in wastewater continues to increase, which poses a serious threat to the environment and human health. Therefore, there are...
2024-12-21
[ Hongjie Water ] Why can't high-lift water pumps be used in low-lift applications?
【 Hongjie Water 】 Why can't high-lift water pumps be used in low-lift applications?
The reasonable selection of water treatment equipment is the knowledge that every designer needs to master. As the core equipment for transportation and lifting, pumps are everywhere in water treatment projects....
2024-12-20
[ Hongjie Water ] What are the ions that can pass through the RO reverse osmosis membrane ?
【 Hongjie Water 】 What are the ions that can pass through the RO reverse osmosis membrane ?
1. Basic principles of RO reverse osmosis membrane
1.1 Selective permeability of semipermeable membranes
As a semi-permeable membrane, the selective permeability of RO reverse osmosis membrane is mainly re...
2024-12-18
[ Hongjie Water ] Working principle and function of metering pump damper
Metering pump is a device used to deliver precise flow, which is widely used in industrial fields and laboratories. The damper is one of the important components, which plays a key role in the working process of the pump. Below I will introduce the function and principle of the damper in detail.
2024-12-17
[ Hongjie Water ] The process of seawater desalination by reverse osmosis
Desalination refers to the technology and process of obtaining fresh water from seawater. There are many types of desalination technologies, including distillation, membrane (reverse osmosis, electrodialysis membrane evaporation, etc.), ion exchange, etc., but only distillation and reverse osmosis a...
2024-12-17
[ Hongjie Water ] Advantages and disadvantages of ultrafiltration and activated carbon devices in the preparation of ultrapure water
Ultrapure water is water from which all conductive ions, colloids, organic matter, etc. have been removed, and its water resistivity is greater than 18 MΩ·cm (25°C). Ultrapure water systems generally use pretreatment technology, reverse osmosis technology, electric desalination technology, and post ...
2024-12-17
[ Hongjie Water ] What is reverse osmosis equipment? What processes use it?
【 Hongjie Water 】 What is reverse osmosis equipment? What processes use it?
Reverse osmosis devices are an indispensable part of contemporary sewage treatment technology and are widely used in various fields, including industrial water solutions and domestic water purification. So what exactly is a ...