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| 本文通過對(duì)多元含錫物料中的SO42-、As以及Fe等雜質(zhì)離子的去除進(jìn)行了研究,采取高溫堿融法,依次通過錫酸鈉制粗、浸出、濃縮、烘干、粉碎等工序來制備高純錫酸鈉。本文重點(diǎn)研究多元含錫物料中的SO42-、As、Fe等雜質(zhì)離子的去除,分別對(duì)碳酸鈉加入濃度、CaO加入量、焙燒溫度、焙燒時(shí)間、浸出時(shí)間相關(guān)因素對(duì)雜質(zhì)離子的去除進(jìn)行了研究,成功研制出一種高純錫酸鈉的生產(chǎn)工藝。 |

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本文 通過對(duì) 多元含錫物料 中的SO42-、As以及Fe等 雜質(zhì)離子的 去除進(jìn)行了 研究,采取高溫堿融法,依次通過錫酸鈉制粗、浸出、濃縮、烘干、粉碎等工序 來制備 高純錫酸鈉。本文 重點(diǎn)研究 多元含錫物料中 的SO42-、As、Fe等雜質(zhì)離子 的去除,分別 對(duì)碳酸鈉 加入濃度、CaO加入量、焙燒溫度、焙燒時(shí)間、浸出時(shí)間 相關(guān)因素 對(duì) 雜質(zhì)離子 的去除 進(jìn)行了研究,成功 研制出 一種高純錫酸鈉的生產(chǎn)工藝。 In this paper, we researched the method of removing foreign ions such as SO42-, As and Fe in multiple Tin-bearing material. By employing the high temperature alkali melt method, we made an attempt to prepare the high purity sodium stannate by successively conducting experimental processes like coarse product preparation, extraction,concentration, drying and crushing. Focusing on the removal of foreign ions such as SO42-, As and Fe, we analyzed the impacting factors to the removal ratio of foreign ions such as the added concentration of sodium carbonate, dosage of CaO, calcination temperature, calcination time, and extraction time, thus successfully designing a production technology for high purity sodium stannate. |
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