The use of activated alumina in wastewater treatment

Activated alumina has a lot of uses This is what we also know, which is that it can be used as an adsorbent, for this characteristic is also a lot of use, in the treatment of wastewater is also of great use, about its use in wastewater treatment we can take a look at the following introduction.

The effects of initial solution concentration, adsorption time and pH on the adsorption effect of activated alumina on phosphorus in water were investigated, and static adsorption experiments were carried out under suitable adsorption conditions of various factors, and the dosage of activated alumina was determined. Quasi-secondary dynamics were used to simulate the experimental data. The results showed that the higher the concentration of the initial solution and the longer the adsorption time, the greater the adsorption capacity of activated alumina to phosphorus. It is more accurate to use Langmuir adsorption isotherms to depict the adsorption properties of activated alumina. The adsorption kinetics of activated alumina on phosphorus in aqueous solution fit the quasi-secondary kinetic model, and the equilibrium adsorption capacity and quasi-secondary kinetic rate constants can be estimated, and the correlation coefficient is as high as 0.9999. Wastewater with phosphorus content of 12.36mg/L was treated with activated alumina, the experimental parameters were adsorption time 5h, pH was adjusted to 5~6, the dosage of activated alumina was 2g, and the adsorption capacity was 0.58mg/g.

Activated alumina In terms of water treatment, the current development trend is to pay more and more attention to cheap and efficient alternative technologies, so the development trend of adsorbing trace phosphorus will also be carried out in the use of waste aluminum resources to prepare activated alumina, and then reduce the cost of resources. In addition, its regeneration and recycling, as well as its use in phosphorus removal from drinking water sources, will also be carried out.