Silver Recovery Process Patent
- صفحه اصلی
- Silver Recovery Process Patent
A silver recovery process for recovering silver from used photographic materials such as film and paper, that includes the steps of: 9. A silver recovery process as defined in …
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The silver recovery process as defined in claim 1 wherein the water vapor to air ratio and temperature of the air and water vapor mixture is sufficient to maintain the bed …
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Scientists have used hydrometallurgical and electrochemical processes to recover pure silver from solar cells. The proposed technique also utilizes a method known as electrodeposition-redox ...
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The contacting is carried out for a time sufficient to reduce the silver concentration in the developer solution to a desired level. The process is useful for treating a seasoned or …
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The disclosure relates to a method for reclaiming silver from photographic substrates and particularly a method wherein silver halide coated substrates, such as plastic film, is …
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The invention illustratively contemplates recovery of silver from waste photographic-fixer solution, ... View Patent Images: Download PDF 4302318 . US Patent References: 3959110: ... the toroidal-flow process continues. In the arrangement of FIG. 7, a plurality of plating-electrode pairs A, B, etc. are supported in laterally spaced relation ...
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The disclosure relates to a method for reclaiming silver from photographic substrates and particularly a method wherein silver halide coated substrates, such as plastic film, is subjected to a bleach solution for removing the silver bearing emulsion from the substrates the emulsion it is then placed in a settling tank and subjected to the use of sodium …
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In this new study, a team in Italy developed a relatively inexpensive way to recover the silver used in solar panels. The process involves the use of a base …
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Researchers at ASU have developed a method to recover silver from silicon solar cells. The method works by dissolving the cell in acid to separate the components …
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This invention relates to recovery of precious metal from a solution containing the same, and is illustratively described in connection with silver-recovery apparatus for use with …
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Silver is recovered from silver-containing scrap paper (e.g., scrap thermographic office copy paper) by a process which involves conditioning the silver-containing paper (e.g., with …
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This report describes investigations by the Bureau of Mines leading to the design and evaluation of an economical and efficient metallic displacement-type unit for recovering silver from waste photographic …
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