Effluent Sampling and Flow Measurement for the Photoprocessor

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: To control the discharge of water-contaminating substances, photoprocessing labs must first determine the nature of the contaminant and the extent of the discharge. This involves the taking of proper samples. Faulty sampling procedures result in unreliable analysis and erroneous conclusions which can not only be costly but also result in the plant's being denied access to the municipal sewer system. The sampling techniques and the means of flow measurement currently available to the photoprocessor are described, and the importance of effluent monitoring in establishing the effectiveness of recovery and reuse practices is emphasized. A basic approach to initiating an effective sampling program is presented. Tests for metals, acidity, chemical oxygen demand, 5-day biochemical oxygen demand, total organic carbon (expected to be widely used in the future) and many other factors are described. The use of sampling and flow measurement to improve the monitoring of silver levels and the effectiveness of silver recovery is discussed to illustrate the benefits and problems encountered with in-house effluent analysis. The paper features extensive references, bibliography, and tabulated information. Among the many items covered here are: manufacturers (scores of them, producing a great variety of equipment), principle of operation, cost, reliability, parameter measured, range of measurement, and ease of installation.
Publication Date: 1976-04-01
DOI: 10.5594/J06836
Link: https://doi.org/10.5594/J06836
Author(s): Franklyn A. Ericson

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Franklyn A. Ericson; Effluent Sampling and Flow Measurement for the Photoprocessor, SMPTE Journal ( Volume: 85, Issue: 4, April 1976); SMPTE, 1976. Available at https://doi.org/10.5594/J06836

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Franklyn A. Ericson; Effluent Sampling and Flow Measurement for the Photoprocessor, SMPTE Journal ( Volume: 85, Issue: 4, April 1976); SMPTE, 1976. Available at https://doi.org/10.5594/J06836

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Franklyn A. Ericson; Effluent Sampling and Flow Measurement for the Photoprocessor, SMPTE Journal ( Volume: 85, Issue: 4, April 1976); SMPTE, 1976. Available at https://doi.org/10.5594/J06836

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<span class="citation">Franklyn A. Ericson; <cite>Effluent Sampling and Flow Measurement for the Photoprocessor</cite>, SMPTE Journal ( Volume: 85, Issue: 4, April 1976); SMPTE, 1976. Available at <a href="https://doi.org/10.5594/J06836" target="_blank" rel="noopener">https://doi.org/10.5594/J06836</a></span>

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Franklyn A. Ericson; Effluent Sampling and Flow Measurement for the Photoprocessor, SMPTE Journal ( Volume: 85, Issue: 4, April 1976); SMPTE, 1976
doi: 10.5594/J06836
url: https://doi.org/10.5594/J06836

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Franklyn A. Ericson; <cite id="bib-10-5594-j06836">Effluent Sampling and Flow Measurement for the Photoprocessor</cite>, SMPTE Journal ( Volume: 85, Issue: 4, April 1976); SMPTE, 1976
<span class="doi">10.5594/J06836</span>
</li>