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Related Experiment Videos

Virus association with wastewater solids.

D O Cliver

    Environmental Letters
    |January 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    Human intestinal viruses, including reoviruses and enteroviruses, were detected in solids from an urban wastewater treatment plant. Careful disposal of sludge and grit is crucial until effective virus inactivation methods are established.

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    Area of Science:

    • Environmental microbiology
    • Virology
    • Public health

    Background:

    • Urban wastewater treatment plants generate significant volumes of solid byproducts.
    • Wastewater solids can potentially harbor human enteric viruses, posing public health risks.
    • Understanding virus presence in treatment plant solids is critical for safe waste management.

    Purpose of the Study:

    • To semiquantitatively assess the presence of human intestinal viruses in solids from an urban wastewater treatment plant.
    • To identify specific types of viruses, such as reoviruses and enteroviruses, within these solids.
    • To evaluate the implications of virus presence for the safe disposal of wastewater treatment solids.

    Main Methods:

    • Semiquantitative testing of solids produced at an urban wastewater treatment plant.

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  • Identification of viral agents, including reoviruses and enteroviruses.
  • Analysis of virus levels in anaerobically digested sludge and grit.

    • Main Results:

    • Almost all tested wastewater solids contained human intestinal viruses.
    • Reoviruses and at least five types of enteroviruses were identified.
    • Measurable levels of viruses were found in anaerobically digested sludge (30-32°C) and grit.

    Conclusions:

    • Wastewater treatment plant solids frequently contain human enteric viruses.
    • Current disposal practices require careful consideration due to the presence of infectious agents.
    • Further research into reliable virus inactivation methods for wastewater solids is essential for public health protection.