CHEN Liyong1 YUAN Jizhu2
( 1.Malcrials Engincering Deparlmcnt; 2.Wuhan University of Technology)
Abstract: In this thesis，the traditionual DLVO theory Was exceeded. The hydrophobicintcraction，a new conception of superficial force was introduced to the interaction between ultrafine partieles in the systemn of hematite -sodium olcate. And the mechanism on shear flocculation was explained successfully.
Key Words: Shear- flocuclation; Hydrophobic intcraction; Hematite; Sodium olcate