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首页> 外文期刊>Journal of Central South University of Technology >Degradation of Lix984N and its effect on interfacial emulsion
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Degradation of Lix984N and its effect on interfacial emulsion

机译：Lix984N的降解及其对界面乳液的影响

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摘要

The organic phase separated from the interfacial crud provided by Dexing copper mine in Jiangxi, China, was analyzed by combined gas chromatography-mass spectroscopy. The results show that many kinds of emphiphiles containing such hydrophilic groups as carbonyl, carboxyl, sulphonyl or acylamine exist in organic phase. Conclusively, Lix984N would degrade gradually during a long-term contact with the acidic aqueous feed and strip reagents. Lix84 and nonylphenol as effective components of Lix984N degraded almost completely after long-term recycling. Lix984N degraded through such reactions as Beckmann rearrange, hydrolysis and sulphofication. The degradation of Lix984N would deteriorate solvent extraction and disengagement performance, and result in a more stable interfacial emulsion.
机译：采用气相色谱-质谱联用技术对江西德兴铜矿提供的界面残渣中分离出的有机相进行了分析。结果表明，有机相中存在着许多具有亲水性基团的亲油基，如羰基，羧基，磺酰基或酰基胺。最终，Lix984N在与酸性含水进料和剥离试剂长期接触期间会逐渐降解。长期回收后，作为Lix984N有效成分的Lix84和壬基酚几乎完全降解。 Lix984N通过贝克曼重排，水解和硫磺化等反应降解。 Lix984N的降解将恶化溶剂的萃取和分离性能，并导致更稳定的界面乳液。

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