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Wpływ wybranych parametrów procesowych na jakość kryształów struwitu wytwarzanych podczas cia̧głej krystalizacji z reakcjq chemicznq strqcania jonów fosforanowych w krystalizatorze typu DTM ze strumienicq zasilana̧ recyrkulowanym roztworem macierzystym

Translated title of the contribution: Effect of reactive crystallization parameters on the quality of struvite crystals produced in a continuous draft tube magma crystallizer with a jet pump fed with recirculated mother solution
  • Wrocław University of Science and Technology

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Struvite was pptd and crystd from aq soin of MgCI2and NH 4H2PO4 by addn of aq soin of NaOH in a liq jet pump draft tube magma crystallizer with descending suspension flow in a mixing chamber and internal circulation of the su spension at 298 K and pH 9-11 (residence time 900-3600 s) The decrease in pH and the increase in residence time re suited in increasing the mean size of the struvite crystals up to 23 8 mm The max crystal size was about 160 μ m The phosphate ion concn in the soln decreased from 020% by mass down to 0 011% by mass after the pptn.

Translated title of the contributionEffect of reactive crystallization parameters on the quality of struvite crystals produced in a continuous draft tube magma crystallizer with a jet pump fed with recirculated mother solution
Original languagePolish
Pages (from-to)472-477
Number of pages6
JournalPrzemysl Chemiczny
Volume88
Issue number5
Publication statusPublished - May 2009

ASJC Scopus subject areas

  • General Chemistry
  • General Chemical Engineering

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