New pressure flow cell to monitor BaSO4 precipitation using synchrotron in situ angle-dispersive X-ray diffraction

Alison Hennessy, Gordon Graham, Jerry Hastings, D. Peter Siddons, Zhong Zhong

    Research output: Contribution to journalArticle

    14 Citations (Scopus)

    Abstract

    A flow cell has been commissioned to monitor in situ precipitation reactions under non-ambient conditions. The majority of high-pressure systems use anvils and presses to obtain high pressures around a small reaction area; however, this prototype is unique in that solutions may be examined as they flow through the cell under pressure. The cell is made of single-crystal silicon, which is capable of withstanding the high pressures created by liquid flow within the cell. With the capability of reaching pressures of up to 4 × 107 Pa, the cell is ideal for work on geological and oilfield systems. Here it is used to examine the formation of barium sulfate scale in situ under nonambient conditions using angle-dispersive XRD on beamline X17b1 at the NSLS.

    Original languageEnglish
    Pages (from-to)323-324
    Number of pages2
    JournalJournal of Synchrotron Radiation
    Volume9
    Issue number5
    DOIs
    Publication statusPublished - 1 Sep 2002

    Keywords

    • BaSO 4
    • High pressure
    • Scale
    • Synchrotron in situ X-ray diffraction

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