10 Years Experience with Rolled Lead-Calcium-Silver Anodes

机译：十年的铅钙银阳极电镀经验

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It has been 10 years since RSR Technologies introduced a new rolled anode for ZincrnElectrowinning. The anode contains calcium and significantly less silver than the traditional cast or rolledrnlead silver anodes. The anodes are rolled to produce uniform dispersion of calcium and silver. Thesernanodes have much higher mechanical properties than lead-silver which makes them more resistant torndeformation. The calcium allows the anode to condition in several days.rnThe anodes have been extensively tested in Japan, North America, South America, Europe, andrnSouth Africa. Anodes have been service for up to 5 years without significant thinning or corrosion. Thernanodes remain straight and MnO_2 removal is easier than with cast or rolled lead silver anodes. The anodesrnyield a 1% improvement in current efficiency when compared to conventional anodes.rnThis paper describes the experiences with rolled lead-calcium-silver anodes, the resistance orrninertia to their use, the manufacturing process, and improvements to surface treatment and handling whichrnwill enhance the use of the anodes in cellhouse operations. The paper also compares the significantrneconomic benefits in utilizing RSR rolled lead-calcium-silver anodes in today's environment.

机译：自RSR Technologies推出用于ZincrnElectrowinning的新型轧制阳极以来已有10年了。与传统的铸铅或轧制铅银阳极相比，该阳极含有钙，且银含量明显减少。轧制阳极以产生钙和银的均匀分散。这些纳米电极具有比铅银更高的机械性能，这使得它们更耐弯曲变形。钙可以使阳极在几天内老化。在日本，北美，南美，欧洲和南非已经对阳极进行了广泛的测试。阳极已经使用了长达5年之久，并且没有明显变薄或腐蚀。阳极电极保持笔直，并且比铸造或轧制铅银阳极阳极更容易去除MnO_2。与传统阳极相比，阳极的电流效率提高了1％。本文介绍了轧制铅钙银阳极的经验，使用时的电阻率，制造工艺以及对表面处理和处理的改进，这将增强阳极的电流效率。在电池室操作中使用阳极。本文还比较了在当今环境中利用RSR轧制的铅钙银银阳极带来的显着经济效益。

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《PbZn 2010》|2010年|p.819-826|共8页
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R. David Prengaman; Timothy Ellis; Abbas Mirza;
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RSR Technologies, Inc. 4828 Calvert St. Dallas, TX 75247, USA rdprengaman@rsrtechnologies.com;

RSR Technologies, Inc. 4828 Calvert St. Dallas, TX 75247, USA;

RSR Technologies, Inc. 4828 Calvert St. Dallas, TX 75247, USA;

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10 Years Experience with Rolled Lead-Calcium-Silver Anodes

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