Monodispersed fine particle precipitation process of strontium sulfates with a crystal growth modifier

Takahiro Sakuma, Takashi Mikami, Izumi Hirasawa

Research output: Contribution to journalArticle

Abstract

Crystals of strontium sulfate were precipitated in a solution of polyethylenimine (PEI) using a double-jet crystallizer. PEI, as a crystal growth modifier, controlled both the nucleation rate and the growth rate, and enabled to produce fine monodispersed crystals. Both acetic acid and hydrochloric acid were used as a pH-controlling agent. Especially, in case of using hydrochloric acid, highly monodispersed crystals (coefficient of variation, C.V.□ 0.1) were produced within fairy wide operation conditions.

Original languageEnglish
Article numberB-35
Pages (from-to)481-486
Number of pages6
JournalVDI Berichte
Issue number1901 I
Publication statusPublished - 2005 Nov 7

ASJC Scopus subject areas

  • Engineering(all)

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