A descriptive model for the homogeneous precipitation of zinc sulfide from acidic zinc salt solutions

A. Eshuis, G.R.A Elderen, C.A.J. Koning

    Research output: Contribution to journalArticleAcademicpeer-review

    25 Citations (Scopus)

    Abstract

    Homogeneous precipitation of zinc sulfide (ZnS) is investigated by observing the induction time, particle size and particle morphology as a function of four parameters, e.g. pH, anion type, continuous phase viscosity and stirring rate. Based on these observations a descriptive model of the precipitation mechanism is presented. According to this model the homogeneous precipitation of ZnS proceeds in four stages. Initially nuclei are formed homogeneously throughout the solution. They are not stable and by a variety of coagulation processes the final particles are formed. Particle size and particle morphology are strongly influenced by the transition times between the four stages.
    Original languageEnglish
    Pages (from-to)505-512
    JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
    Volume151
    Issue number3
    DOIs
    Publication statusPublished - 1999

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