A kind of electrochemical preparation method of rhodium trichloride
A rhodium trichloride, electrochemical technology, applied in the field of preparation of rhodium trichloride, can solve the problems of large loss of rhodium, complex process, low yield of rhodium, etc.
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Embodiment 1
[0075] (1) Set up the electrolytic cell. The electrolytic cell has three groups of cells and six electrode chambers. The upper cross section of the cell body is rectangular in size 150mm×50mm and 300mm in height; the bottom of the two electrode chambers of the same cell body is a semicircle In the same way, there is a gap of 20mm from the top of the second partition; the overflow hole is opened at a position 50mm from the top, with a diameter of 10mm; a cylindrical graphite electrode with a spectral grade of Φ12mm and a length of 300mm is selected, a total of 12, fixed on the top cover, X, The distance between the Y electrodes is 100mm.
[0076] (2) 1200 grams of rhodium powder with a purity of 99.95% are evenly added to the bottom of the electrolytic cell, and the superior grade pure hydrochloric acid of 8mol / l is added from the feeding port until all tank bodies are filled; The end is loaded with 60 volts of civilian AC, and the AC current is between 10 and 30 amperes; pay a...
Embodiment 2
[0079] (1) Set up the electrolytic cell. The electrolytic cell has three groups of cells and six electrode chambers. The upper cross-section of the cell body is rectangular in size 160mm×45mm and 230mm in height; the bottom of the two electrode chambers of the same cell body is a semicircle In the same way, there is a gap of 20mm from the top of the second partition; the overflow hole is opened at a position of 30mm from the top, with a diameter of 10mm; a cylindrical graphite electrode with a spectral grade of Φ12mm and a length of 300mm is selected, a total of 12, fixed on the top cover, X, The distance between the Y electrodes is 100mm.
[0080](2) 1200 grams of rhodium powder with a purity of 99.95% are evenly added to the bottom of the electrolytic cell, and the superior grade pure hydrochloric acid of 10mol / l is added from the feeding port until all tank bodies are filled; The terminal is loaded with 50 volts of civilian alternating current, and the alternating current i...
Embodiment 3
[0083] (1) Set up the electrolytic cell. The electrolytic cell has three groups of cells and six electrode chambers. The upper cross-section of the cell body is rectangular in size 140mm×50mm and 320mm in height; the bottom of the two electrode chambers of the same cell body is a semicircular arc In the same way, there is a gap of 20mm from the top of the second partition; the overflow hole is opened at a position of 70mm from the top, with a diameter of 10mm; a cylindrical graphite electrode with a spectral grade of Φ10mm and a length of 300mm is selected, a total of 12, fixed on the top cover, X, The distance between the Y electrodes is 100mm.
[0084] (2) 1200 grams of rhodium powder with a purity of 99.95% are evenly added to the bottom of the electrolytic cell, and the superior grade pure hydrochloric acid of 8mol / l is added from the feeding port until all tank bodies are filled; The terminal is loaded with 70 volts of civilian alternating current, and the alternating cur...
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