Seeded Batch Cooling Crystallization of Adipic Acid from Ethanol Solution

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Adipic acid was crystallized by cooling in a batch crystallizer. At low seed loadings, the product crystal size distribution (CSD) was bi-modal because of enormous secondary nucleation. However, at high seed loadings, it became uni-modal, where the crystallization was dominated by seed growth with practically no secondary nucleation. Enough seeding was thus effective in suppressing nucleation during batch crystallization. The mean mass size of the product crystals obtained at high seed loadings agreed with that calculated by a simple mass balance assuming growth-dominated crystallization with no change in the number of crystals during operation and no residual supersaturation towards the end of batch. The products obtained, i.e., grown seeds, were not well faceted but rounded, probably because of abrasion caused by mechanical impact induced by agitation.

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  • Journal of chemical engineering of Japan

    Journal of chemical engineering of Japan 36(8), 1001-1004, 2003-08-01

    公益社団法人 化学工学会

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各種コード

  • NII論文ID(NAID)
    10013414234
  • NII書誌ID(NCID)
    AA00709658
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    00219592
  • NDL 記事登録ID
    6654181
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z53-R395
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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