Application of activated carbon field category

ln the first part of the thesis, the capability of activated carbon fiber (ACF) treated bydifferent kinds of acids for adsorption removal of thiophenic sulfur compounds was evaluatedin the batch-type adsorption process. The results show that the as-received ACF adsorbent,efficiently adsorbs the bigger size sulfur compounds, and the removal efficiency for the sulfurcompounds follows in the order of 4,6-DMDBT > DBT > BT > T. Effect of treatmenttemperature and time by SN acid (ratio of volume of H,SO4 to HNO, is 3:1) on ACFadsorption removal of thiophenic sulfur compounds was studied.The results show thatoxidation with SN acid at room temperature can remove the ashes or inorganic components ofthe ACF adsorbent as well as change in the surface chemistry，introduce theoxygen-containing functional groups such as carboxyl and hydroxyl, improve the adsorptioncapability of ACF for removal of thiophenic sulfur compoundsActivated carbon is a porous amorphous powder with crystalline properties.https://www.wyactivatedcarbon.com/
By X - diffraction analysis, the structure of activated carbon is composed of carbon atoms with covalent bonds into a hexagonal shape (except the surface), and in two or more layers stacked into a plate, and the lattice of graphite is almost the same, but the plate of graphite is more closely combined.Activated carbon has adsorption effect on gas or solute of some solution, and some are adsorbed on the surface of carbon, and some are adsorbed inside the structure of carbon.https://www.wyactivatedcarbon.com/products/powdered-activated-carbon/
The size of the adsorption force is related to the total surface area of the activated carbon, the finer the carbon particles, the greater the total surface area, the stronger the adsorption force, and vice versa.The same fineness of activated carbon, the strength of its adsorption and the structure of the adsorbed material.In domestic has been eliminated. Specific surface area test unified the multi-point BET method at home and abroad, specific surface area measurement standards are developed at home and abroad is based on BET test method, please see our national standard (GB/T 19587-2004) - gas adsorption BET principle of solid material specific surface area measurement methods. Specific surface area testing is actually the more time-consuming jobs, as the adsorption capacity of sample is different, some sample testing may need to spend the whole dayTime, if the test process is not fully automated, the tester can not leave at any time, and should be highly focused, observe the dashboard, control the knob, a little careless will lead to the failure of the test process, which will waste a lot of valuable time of the tester.