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Related Experiment Videos

A water purification system for laboratory use

J Bertsch, M Martinus, D Zimber

    Clinical Biochemistry
    |August 1, 1978
    PubMed
    Summary

    A novel water purification system delivers high-purity Type I water on demand to remote locations. This cost-effective system utilizes reverse osmosis, activated charcoal, and ion exchange for efficient purification.

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    Area of Science:

    • Water Chemistry
    • Environmental Engineering
    • Analytical Chemistry

    Background:

    • High-purity water is essential for various scientific applications.
    • Existing systems often have limitations in accessibility and cost-effectiveness.
    • The demand for on-demand, point-of-use water purification is increasing.

    Purpose of the Study:

    • To describe a new water purification system for producing Type I water.
    • To demonstrate the system's capability for on-demand delivery to multiple locations.
    • To assess the cost-effectiveness of the purification process.

    Main Methods:

    • Tap water is treated using a multi-stage process.
    • Initial purification involves reverse osmosis.
    • Subsequent treatment employs activated charcoal and mixed anion/cation exchange resins.

    Main Results:

    • The system produces Type I quality water.
    • Purified water can be delivered up to 700 feet from the equipment.
    • A recycling loop maintains water quality until dispensed.
    • The production cost is $0.03 per liter (excluding capital/installation).

    Conclusions:

    • The described system offers a viable solution for on-demand Type I water production.
    • The technology addresses limitations of accessibility and potentially reduces costs.
    • This system has implications for laboratories and industries requiring high-purity water.

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