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Removal of silver from photographic wastewater effluent …
- https://www.ncbi.nlm.nih.gov/pubmed/10696478
- Dead cells, or a Ags plasmid-cured derivative (BL54.1) removed little silver, which was mainly surface bound. The results, compared with accumulation of Ag by a sensitive culture of Escherichia coli K12 J53.2, suggest that A. baumannii BL54 has good potential for bioremediation of silver from photographic wastewater effluents.
How to Recover Silver from Waste Photographic Solutions
- https://www.911metallurgist.com/silver-recovery-waste-photographic/
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Removal of silver from photographic wastewater effluent …
- https://www.researchgate.net/publication/12618135_Removal_of_silver_from_photographic_wastewater_effluent_using_Acinetobacter_baumannii_BL54
- It was reported that Acinetobacter baumanii BL54 had a high level of resistance to silver and was able to remove 0.25% silver per gram biomass of bacteria …
Removal of Silver from Photographic Solutions
- https://www.sciencedirect.com/science/article/pii/S0166111608712585
- Silver removal efficiencies from photographic spent fix solutions were determined. Three processes including: metallic displacement, electrolysis, and a combined electrolytic-metallic displacement were studied. ... Standard Methods for the Examination of Water and Waste Water, 15th edition, 1980. Google Scholar. 6 ‘EPA Final Pretreatment ...
Method for the recovery of silver from waste …
- https://www.osti.gov/doepatents/biblio/5364206
- Hydrazine monohydrate is then added to the oxidizing solution to form a reducing solution to effect the formation of a precipitate of silver which can be readily removed by filtration of decanting. Experimental tests indicate that greater than 99.99% of the original silver in the spent photographic fixer can be efficiently removed by practicing ...
US5238543A - Recovery of silver from photographic film …
- https://patents.google.com/patent/US5238543A/en
- A process which incorporates the recovery of silver from photographic film into the recovery of silver from photographic development waste solution is provided. In the process, a silver bearing emulsion layer coated on the surface of the photographic film is dissolved in the waste solution which is in turn subjected to an electrolysis treatment to recover metallic silver therefrom.
Silver Extraction From Photographic Waste [pd490op30249]
- https://idoc.pub/documents/silver-extraction-from-photographic-waste-pd490op30249
- Process: There are 2 ways of recovering silver from photographic waste. 1) Electrolysis:- Current required is about 40 mA, voltage can vary from 72 V to 2 V depending on the concentration. The cathode is a steel plate preferably having a large surface area.
Recovering Silver from Photographic Materials
- https://www.911metallurgist.com/blog/recovering-silver-from-photographic-materials
- Soda ash. Distilled or spring water. Photographic silver recovery procedure. Fill a five-gallon plastic bucket with bleach. Dip the film into the bleach and move it around. When the film is transparent, all the silver has been removed. When the bleach has taken all the silver it can hold, it will no longer make the film transparent.
Method for the recovery of silver from waste …
- https://www.osti.gov/biblio/5364206-method-recovery-silver-from-waste-photographic-fixer-solutions
- Treatability data on actual waste show that titania-based photocatalysis can be used to remove silver ions from black and white photoprocessing waste. The silver ion is reduced to its metallic form producing particles comparable in size to the TiO{sub 2} catalyst particles. The mass of silver recovered approaches three times that of the titania.
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