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Technology for Recycling Silver-Containing Catalyst

     

Technology for Recycling Silver-Containing Catalyst:

Silver Electrowinning Process: This process is used to recover silver from silver-containing catalyst sludge in the chemical and pharmaceutical industries, as well as from silver-containing solutions in the solar energy industry. Since these materials contain silver without significant other metal impurities, we developed a new recycling process.

Process Description:

After leaching with nitric acid, adjust the pH and silver ion concentration of the leaching solution.

Transfer the adjusted solution directly to the silver electrowinning cell for processing.

The depleted solution after electrowinning can be used as makeup water when diluting the leaching solution for the next batch.

The resulting silver powder meets the national standard 1# silver specifications.

Advantages of the Silver Electrowinning Process:

Simple process with low production costs.

Current Applications:

This technology has been applied in Xian Nobi Rare Metal Material Co., Ltd.

Heraeus Technologies (China) Co., Ltd.

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