The design of adsorption processes for pharmaceuticals removal depends not only on the adsorption equilibrium but also on the mass transfer and adsorbate stability, being a problem still not solved the case of degradation products. By selecting different stable (amoxicillin, ciprofloxacin, carbamazepine and ibuprofen) and labile micropollutants (omeprazole) as case studies emerging pollutants, we have quantitatively analysed these effects on activated carbon. For stable compounds, the experimental data were fitted to equilibrium models to obtain information about the different adsorption mechanism depending on the characteristics of the molecules. Mass transfer effects were analysed for all the adsorbates, observing the control of intraparticle pore diffusion mechanism, since the effective pore diffusion coefficient is in the range from 10^–8 to 10^–10 cm² h⁻¹. As far as omeprazole is concerned, a kinetic model is proposed for predicting its degradation, identifying the reversibility of several degradation steps. The overall adsorption of OMP and derivates is calculated, observing the pore diffusion is considered as the rate-limiting step. For the first time, a combined model considering the chemical degradation and the adsorption of the degradation products is proposed and experimentally validated. This represents an important step in the modelling of processes leading to the purification of water from this type of pollutant.

药物去除吸附过程的设计不仅取决于吸附平衡，还取决于传质和吸附物稳定性，这是降解产物情况下仍未解决的问题。通过选择不同的稳定微污染物（阿莫西林、环丙沙星、卡马西平和布洛芬）和不稳定微污染物（奥美拉唑）作为新兴污染物的案例研究，我们定量分析了这些污染物对活性炭的影响。对于稳定的化合物，将实验数据拟合到平衡模型，以获得有关根据分子特征的不同吸附机制的信息。^{分析了所有吸附物的传质效应，观察颗粒内孔扩散机制的控制，因为有效孔扩散系数在10 –8}至10 ^–10  cm ²  h ^-1范围内。就奥美拉唑而言，提出了一个动力学模型来预测其降解，确定几个降解步骤的可逆性。计算 OMP 及其衍生物的总体吸附，观察孔扩散被视为限速步骤。首次提出了考虑化学降解和降解产物吸附的组合模型并进行了实验验证。这代表了从此类污染物中净化水的过程建模的重要一步。