[Adsorption Characteristics of Tetracycline by CuFeO-modified Biochar].

CuFeO-modified biochars were prepared through co-precipitation and hydrothermal methods, and the composites had high efficiency removal for tetracycline (TC) from water. The CuFeO-modified biochar with a 2:1 mass ratio of CuFeO to BC450 (CuFeO/BC450=2:1) demonstrated the best adsorption performance. The kinetic process of TC adsorption by CuFeO/BC450=2:1 was well fitted with the intraparticle diffusion model, suggesting that the adsorption process was controlled by film and pore diffusion.

Multivariate recurrence network analysis for characterizing horizontal oil-water two-phase flow.

Characterizing complex patterns arising from horizontal oil-water two-phase flows is a contemporary and challenging problem of paramount importance. We design a new multisector conductance sensor and systematically carry out horizontal oil-water two-phase flow experiments for measuring multivariate signals of different flow patterns. We then infer multivariate recurrence networks from these experimental data and investigate local cross-network properties for each constructed network.