Simultaneously efficient adsorption and photocatalytic degradation of tetracycline by Fe-based MOFs

Ag2O-decorated electrospun BiVO4 nanofibers with enhanced photocatalytic performance

“…BiVO 4 2 , and so on, so as to assist in reaching the goal of improved photocatalytic performance. 34,[38][39][40] The possible reactions for the degradation of RhB are as follows.…”

Facile fabrication of BUC‐21/g‐C3N4 composites and their enhanced photocatalytic Cr(VI) reduction performances under simulated sunlight

“…The rate of reduction of Cr(VI) can be improved by adding the above‐stated organic compounds following the order of tartaric acid > citric acid > oxalic acid, as shown in Figure b. It was characterized by pseudo‐first‐order kinetics as illustrated in Equation to further study and understand the kinetics of Cr(VI) reduction by adding hole scavengers: where C 0 is the initial Cr(VI) concentration after adsorption equilibrium under dark condition, C t is the Cr(VI) concentration at any time t during the photocatalytic reaction process, k is the apparent rate constant and t is the photocatalytic reaction time (min) . In Figure b (inset), the k values decreased following the order tartaric acid (0.099 min −1 ) > citric acid (0.097 min −1 ) > oxalic acid (0.084 min −1 ) > no hole scavenger (0.032 min −1 ), which can be ascribed to the number of functional groups of α‐hydroxyl carboxylate (two, one and zero α‐hydroxyl groups in tartaric acid, citric acid and oxalic acid, respectively) …”

Facile Room‐Temperature Synthesis of Novel Porous Three‐Component Hybrid Covalent Organic Polymers and Their Applications towards Sulfadiazine Adsorption

“…With the aim of evaluating the kinetic mechanism, the experimental data were fitted with the lagergren pseudo‐first‐order and pseudo‐second‐order kinetic model (Figures S9 and 10) . For both two JLUE‐COPs, the pseudo‐first‐order kinetic model failed to fit the adsorption data of SDZ by them in stead of pseudo‐second‐order kinetic model because of the relatively lower correlation coefficients (all R 2 ≤ 0.98) and poorer agreements between q e,cal and q e,exp ( Δq ≥ 10.71%), which inspired us to believe that chemical adsorption occurred between SDZ molecules and JLUE‐COP adsorbents through sharing or transferring electrons (Tables S1 and 2 in Supporting information) . Generally, the adsorption progress of SDZ by the JLUE‐COPs followed three steps of external diffusion, intraparticle diffusion and adsorption, the first two of which are the rate‐determing steps (Figure S12).…”