Carlos Negro

TL;DR: In this paper, the effect of charge density of 5 cationic polyacrylamides (C-PAMs) and 3 anionic polyacanthus (A-Pams) in single and dual treatments with a coagulant on the flocculation and removal of dissolved and colloidal material by dissolved air flotation (DAF) in papermaking has been studied.

TL;DR: In this article, the effect of sepiolite on floc size and floc stability in fibre-cement suspensions was studied by monitoring the chord size distribution in real time employing a focused beam reflectance measurement (FBRM) probe.

TL;DR: In this article, the particle chord length distribution during flocculation, deflocculation and refloculation processes for different polymer doses was monitored and the authors found that there are two PEI doses that produce a maximum floculation due to different floc mechanisms.

TL;DR: In pulp and paper the modelling and simulation of the pulp production processes was the first major application as mentioned in this paper, and it is now for the paper industry to learn from these industries what can be done with the help of computers to control or optimise processes or to design new grades.

TL;DR: In this paper, the effect of applying lower grade, more sustainable cellulose nanofibers on linting phenomena and on the mechanical properties of recycled papers was quantified by using Eucalyptus, pine and triticale residues as cellulose sources and the CNFs were produced minimizing the chemical pretreatment before homogenization.