Dlvo theory is a dispersion stabilizing theory in which zeta potential is used to explain that as two particles approach one another their ionic atmospheres begin to overlap and a repulsion force is developed. In its original version, however, the dlvo theory includes. Dlvotheory in a continuum model for electrolyte solutions. We would like to show you a description here but the site wont allow us. Las particulas mas grandes sedimentan mas rapido y las pequenas permanecen mas tiempo sobrenadando, creando opalescencia. In this theory, two forces are considered to impact on colloidal stability. In its original version, however, the dlvo theory includes the additional step to calculate aggregation rates.
In this theory, two forces are considered to impact of colloidal stability. Key wordscolloid, contact angle, dlvo theory, electrostatic forces, hectorite, polar forces. Zeta potential, mv70605040302010 0 1 10 100 1,000 10,000 100,000 concentration of electrolyte, mgl 2. Process design manual for suspended solids removal. The dlvo theory explains the aggregation of aqueous dispersions quantitatively and. The dlvo theory explains the tendency of colloids to agglomerate or remain discrete pdf. Derjaguin, landau, vervey, and overbeek dlvo developed a theory of colloidal stability, which currently represents the cornerstone of our understanding of interactions between colloidal par ticles and their aggregation behavior. Dlvo theory is a theory of colloidal dispersion stability in which zeta potential is used to explain that as two particles approach one another their ionic atmospheres begin to overlap and a repulsion force is developed. Xdlvo interactions between nanocolloidal magnetic particles. Dispersoes coloidais sao compostas por uma fase dispersa coloides e uma fase continua. Teorie di supersimmetria abbiamo visto che laddove esiste una legge fisicomatematica esiste una simmetria. Derjaguin, landau, vervey, and overbeek dlvo developed a theory of colloidal stability, which currently represents.
438 662 1231 1109 1200 638 1404 1051 306 1466 468 606 210 1287 44 173 1561 838 112 501 1091 323 488 1063 1300 855 1138 880 10 176 881 523 1396 1019 296 1427 185 27 549 1278 37 1220