Recovery and Reuse of Color Developing Agents

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 89, No. 4, pp. 225–228
Abstract: Recovery and reuse of color developer overflows is commonly done by one of three methods: (1) reconstitution, (2) ion exchange, and (3) electrodialysis. An alternative to reusing all or part of the overflow by application of one of these methods is to recover and reuse only the color developing agent. This paper describes three methods to reclaim the color developing agent: (1) precipitation, (2) extraction, and (3) dialysis. The precipitation method is based on salting out. The extraction procedure involves two alternatives: liquid-liquid and liquid-solid. Dialysis is not discussed at length in this paper. Of these methods, one of the most promising is liquid-solid extraction. The recovery and reuse of Kodak color developing agent CD-2 from the Eastman color print developer by liquid-solid extraction is described. Only laboratory (small-scale) tests have been made so far of any of these reclamation methods. A brief discussion of costs is made.
Publication Date: 1980-04-01
DOI: 10.5594/J00500
ISSN: Print: 0036-1682
Link: https://doi.org/10.5594/J00500
Author(s): Charleton C. BardCharleton C. Bard, Eastman Kodak Co., Photographic Technology Division, Kodak Park, Building 69, Floor 7, Rochester, NY 14650.
Copyright: © 1980 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

Ion-Exchange Recovery Techniques for the Reuse of Color Developers [Active]
Practical Application of an Ion-Exchange Method for Color-Developer Reuse [Active]
Improved Technique for Ion-Exchange Recovery of Eastman Color Developers [Active]
Ion-Exchange Recovery of Eastman Color Developers [Active]
3. West Lloyd E. , “Disposal of Waste Effluents From Motion-Picture Film Processing,” J. SMPTE , 79 : 767 , Sept. 1970 . EXTERNAL
4. U.S. Federal Water Pollution Control Act of 1972 , 86 Stat. 816: 33 U.S. Congress 1314. EXTERNAL
5. Daignault L. G. , “Pollution Control in the Photoprocessing Industry through Regeneration and Reuse,” J. Appl. Phot. Eng. , 3 : No. 2 , Spring 1977 . EXTERNAL
6. Dorfner Konrad , Ian Exchangers — Properties and Applications , second printing, 1973, Ann Arbor Science Publishers, Inc. , P.O. Box 1425, Ann Arbor, Mich. , 1962 , pp. 8 – 14 . EXTERNAL
7. Neblette C. B. , Photography: Its Materials and Processes , 6th ed. , D. Van Nostrand Co., Inc. , Princeton, N.J. , 1962 , p. 457 . EXTERNAL
8. “Chemical Composition of Photographic Processing Solutions,” Eastman Kodak Publication No. J-47, Rochester, N.Y., Dept. 454, May 1973 . EXTERNAL

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Charleton C. Bard; Recovery and Reuse of Color Developing Agents, SMPTE Journal ( Volume: 89, Issue: 4, April 1980); SMPTE, 1980. Available at https://doi.org/10.5594/J00500

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Charleton C. Bard; Recovery and Reuse of Color Developing Agents, SMPTE Journal ( Volume: 89, Issue: 4, April 1980); SMPTE, 1980. Available at https://doi.org/10.5594/J00500

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Charleton C. Bard; Recovery and Reuse of Color Developing Agents, SMPTE Journal ( Volume: 89, Issue: 4, April 1980); SMPTE, 1980. Available at https://doi.org/10.5594/J00500

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<span class="citation">Charleton C. Bard; <cite>Recovery and Reuse of Color Developing Agents</cite>, SMPTE Journal ( Volume: 89, Issue: 4, April 1980); SMPTE, 1980. Available at <a href="https://doi.org/10.5594/J00500" target="_blank" rel="noopener">https://doi.org/10.5594/J00500</a></span>

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Charleton C. Bard; Recovery and Reuse of Color Developing Agents, SMPTE Journal ( Volume: 89, Issue: 4, April 1980); SMPTE, 1980
doi: 10.5594/J00500
url: https://doi.org/10.5594/J00500

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Charleton C. Bard; <cite id="bib-10-5594-j00500">Recovery and Reuse of Color Developing Agents</cite>, SMPTE Journal ( Volume: 89, Issue: 4, April 1980); SMPTE, 1980
<span class="doi">10.5594/J00500</span>
</li>