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The use of activated carbon and activity representation method

Release time:

2024-05-21

Different materials and uses of activated carbon, the inner pore size is not the same. And the time of replacement is best not to wait for it to fail and then replace it, so as to ensure that the activated carbon can continuously remove harmful substances in the aquarium water quality.

The use of activated carbon and activity representation method

For the adsorption capacity in the application of activated carbon, it is best to evaluate and test the actual activated carbon, operating conditions and specific treatment materials. The adsorption capacity of activated carbon, that is, the amount of adsorbate adsorbed by the unit activated carbon, the industry is also known as the activity of activated carbon, there are two ways to express the activity:

Static activity-that is, the amount of adsorption that is usually referred to as the adsorbent reaches equilibrium.

Dynamic activity-refers to the fluid mixture through the activated carbon bed layer, in which the adsorbate is adsorbed, after some time of operation, the fluid flowing out of the activated carbon bed layer begins to contain a certain amount of adsorbate, indicating that the activated carbon bed layer loses its adsorption capacity. At this time, the amount of adsorbate adsorbed on the activated carbon is called the activity of the activated carbon. It is the data needed to design a large number of, regular and important adsorption systems. The standard practical method for the determination of the adsorption capacity of activated carbon by the liquid phase isotherm method can be used to determine the absorption capacity of the original and reactivated and powdered activated carbon.

Activated carbon wear resistance: that is, wear resistance or anti friction performance. He told reporters that volcanic rock is not only the only natural sound-absorbing material in all building materials, but also has a unique "breathing" function? Super carbon catalyst and precious metal catalyst carrier (palladium, ruthenium, rhodium, platinum, nickel catalyst), wet catalytic oxidation catalyst wood activated carbon through the conditions, will not release the adsorbed harmful gases. Methylene blue adsorption value is the most commonly used. The use of activated carbon, especially in the 30 years since the reform and opening up, China's water supply and drainage industry has developed rapidly. By the end of 2008, 655 cities in the country had 0.35 billion water population, 0.266 billion m3 of daily water supply capacity and 1.66 million m3 of filter material used in waterworks. Generally speaking, the quality of high-quality activated carbon adsorption of harmful substances can be close to or even reach its own quality, such as Qiaobo brand silver coconut shell activated carbon.

Key words:

Activated carbon

Carbon