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银(yín)电解(jiě)液中(zhōng)钯的回(huí)收(shōu):银(yín)电解(jiě)时(shí),粗(cū)银(yín)陽极(jí)中(zhōng)的部(bù)分(fēn)钯会(huì)進(jìn)入(rù)到(dào)电解(jiě)液中(zhōng),因(yīn)钯的析出电勢与银(yín)相近(jìn),當电解(jiě)液中(zhōng)的钯超过(guò)20ppm时(shí),就会(huì)在(zài)陰极(jí)上(shàng)析出。这(zhè)部(bù)分(fēn)析出的钯一(yī)是(shì)会(huì)造成(chéng)电解(jiě)银(yín)粉中(zhōng)钯含量(liàng)超标(biāo),影響银(yín)粉质量(liàng);二(èr)是(shì)钯的銷售價格要(yào)比银(yín)高得多(duō),析出的这(zhè)部(bù)分(fēn)钯会(huì)降低(dī)企業的利潤。因(yīn)此(cǐ)如(rú)何高效的将电解(jiě)液中(zhōng)的钯回(huí)收(shōu)是(shì)關(guān)乎企業利潤的關(guān)鍵问題(tí)。
银(yín)电解(jiě)液中(zhōng)钯的回(huí)收(shōu)工藝流程:银(yín)电解(jiě)液->沉钯試劑->含钯精料->王水(shuǐ)溶解(jiě)->银(yín)精煉。