Sewage treatment activated carbon is mainly used for water treatment, and its characteristics should have three requirements: large adsorption capacity, fast adsorption speed, and good mechanical strength. In addition to other external conditions, the adsorption capacity of activated carbon for sewage treatment is mainly related to the specific surface area of activated carbon. The larger the specific surface area and the larger the number of micropores, the more adsorbate that can be adsorbed on the pore walls.
Description of granular activated carbon for sewage treatment
The adsorption capacity of activated carbon is mainly related to the specific surface area of activated carbon in addition to other external conditions. The adsorption speed is mainly related to the particle size and the distribution of fine pores. Activated carbon for water treatment requires more developed transition pores (radius 20~1000A), which is conducive to the diffusion of adsorbate into the fine pores. The smaller the particle size of activated carbon, the faster the adsorption speed, but the loss of water head will increase, generally in the range of 8-30 mesh, and the mechanical wear resistance of activated carbon directly affects the service life of activated carbon.
Sewage treatment activated carbon application
Sewage treatment activated carbon can be used for advanced purification of urban drinking water and urban drinking water, removal of residual chlorine, and deodorization; it is also an advanced purification material in the production process of high-purity water and artificial mineral springs; large-scale boiler feed water pre-removes COD and other harmful impurities, which can improve the Boiler efficiency and prolong boiler life; it can effectively remove COD, pigment, odor and other poisons in water, and large-particle activated carbon can fill filters and purify air.
| Granularity (mesh) | 8-30 |
| Iodine value adsorption (mg/g) | 600-900 |
| Strength (%) | 90 |
| Moisture (%) | <5 |
| Ash | <10 |
| Bulk density (g/l) | 350-480 |
| CTC (%) | 50 |
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