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Photographic Processing Effluent Guidelines | US EPA
- https://www.epa.gov/eg/photographic-processing-effluent-guidelines
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Photographic Processing Waste Management
- https://ehs.weill.cornell.edu/sites/default/files/photographicprocessingwaste.pdf
- Photographic Processing Waste Management Updated Sept-20 T:\Documentation\EHS-Updates\Silver.docx Overview Photoprocessing wastes may contain silver, which is considered a toxic heavy metal by the United States Environmental Protection Agency (EPA). The silver is primarily present as a soluble silver thiosulfate complex.
Method of treating photographic processing wastes
- https://patents.google.com/patent/US5296111A/en
- A method of treating photographic processing wastes is disclosed. The method comprises (1) mixing a silver-recovery system waste and a development system waste from photographic processing to produce a waste mixture, (2) adding to said waste mixture phosphorus as a nutritive substrate in an amount corresponding to at least 2% based on the COD value of the …
Photographic Waste - Environment, Health and Safety
- https://ehs.unc.edu/environmental/fact-sheets/photographic-waste/
- Place each type of material in a separate box or container. Label the containers as to the film type such as “X-Ray film for Recycle”. Request a pick-up of your film. Do ensure that your department has a program in place to filter your photo or x-ray effluent by adding a silver filter, if applicable. If you have large amounts of fixer waste ...
EP0671362A1 - Process for treating photographic …
- https://patents.google.com/patent/EP0671362A1/en
- A process for treating a photographic processing waste solution which comprises: placing a polymer precipitate in a lower portion of a tank having a U-shaped treating space which comprises (i) a first partition, (ii) a second partition and (iii) an interconnecting partition for interconnecting the first partition and the second partition in the lower portion of a tank; introducing into the ...
Treatment of Photographic Processing Wastes
- https://www.researchgate.net/publication/250465410_Treatment_of_Photographic_Processing_Wastes
- Download Citation | On Apr 4, 2006, Thomas W. Bober and others published Treatment of Photographic Processing Wastes | Find, read and cite all the research you need on ResearchGate
Photochemical Waste Management – CineStill Film
- https://cinestillfilm.com/pages/photo-waste-management
- Photographic processing effluent includes developer, fixer, bleach, and wash water involved in processing films and papers. Two key characteristics of photo-processing effluent are pH and the concentration of silver. Developer has a high pH and is therefore alkaline or caustic. Fixer has a low pH and is therefore acidic.
Photographic Processing Hazards - Link Family
- https://blink.ucsd.edu/safety/research-lab/chemical/specific/photographic.html
- Never store photographic processing equipment in corridors or administrative spaces. Keep processing equipment clean, dry, and free of contamination. Moisture, chemicals, strong cleaning agents, and other substances can promote corrosion. Follow manufacturer recommendations for equipment maintenance and cleaning.
RCRA in Focus: Photo Processing - US EPA
- https://www.epa.gov/sites/default/files/2015-01/documents/photofin.pdf
- The Life Cycle of a Typical Photo Processing Waste 6 Requirements for Regulated Photo Processors 8 Silver Recovery Methods 10 Reduce or Minimize the Hazardous Wastes You Generate 12 Other Environmental Laws Affecting the Photo Processing Industry 14 Contacts and Resources 16 FOR MORE INFORMATION CALL: RCRA Hotline U. S. Environmental Protection ...
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