Masks are a common item in life. Wearing them correctly can not only keep warm, but also have a good protective effect. The filter materials for masks are generally melt-blown cloth, and PTFE membrane materials…

As a new energy source with huge potential, fuel cells are efficient and clean power generation devices that can continuously input fuel from the outside and directly convert chemical energy into It can also ge…

Hollow fiber membrane technology is a high-tech technology developed in the mid-1960s. It is also the most widely used separation membrane form in current membrane water treatment technology. It has a high pack…

Because PTFE material has excellent properties such as high chemical inertness, low friction coefficient, weather resistance, porous moisture permeability and hydrophobicity, in addition to being used in protec…

Many friends may have discovered this problem. When we buy a water purifier, many merchants will always mention the word Ro reverse osmosis, Ro reverse osmosis membrane The pore diameter is small and the interc…

Winter is often a period of high incidence of smog. Wearing a mask when traveling can have a good protective effect, but not all masks can have a good effect, especially against PM2 .5 filtration, the editor be…

As environmental pollution continues to intensify, our drinking water resources are now not well guaranteed. 80% of the causes of illness and 50% of child deaths in the world are related to water pollution. The…

Industrial wastewater refers to the wastewater, sewage and waste liquid produced during the industrial production process, which contains industrial production materials, intermediate products and products lost…

With the continuous transformation and upgrading of the national economy, green development has become the main theme of my country’s economic development. As an important area of ​​the environmental prot…