| 线路板蚀刻废液资源化处理清洁生产工艺 |
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| 引用本文： | 李春城,谢逢春.线路板蚀刻废液资源化处理清洁生产工艺[J].中山大学学报(自然科学版),2009,48(Z2). |
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| 作者姓名： | 李春城 谢逢春 |
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| 作者单位： | 华南理工大学,化学与化工学院,广东,广州,510640 |
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| 基金项目： | 广州市白云区科技计划基金 |
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| 摘 要： | 研究了广州市白云区南溪化工厂开发的一套对线路板蚀刻废液资源化处理零排放新工艺.该工艺利用摇床重力分选得到氧化铜,滤液加生石灰碱化加热回收氨.通过正交试验确定了最佳工艺条件,得到的氧化铜纯度为96.5%,回收率达97.1%.
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| 关 键 词： | 蚀刻废液 重力分选 正交试验 清洁生产 |
A Cleaner Production Technology for Resource Recovery of Spent Etching Solution |
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| LI Chuncheng,XIE Fengchun.A Cleaner Production Technology for Resource Recovery of Spent Etching Solution[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2009,48(Z2). |
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| Authors: | LI Chuncheng XIE Fengchun |
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| Abstract: | The zero-emission technology for resource utilization of circuit board spent etching solution developed by Nanxi Chemical Plant, Baiyun District of Guangzhou City was studied. The copper oxide was obtained by gravity separation of shaking table. The am-monia was recycled by the process of quicklime caustic distillation. The optimum technology conditions were determined by orthogonal experiment. Under the optimum conditions, the purity and recovery efficiency of generated copper oxide are 96.5% and 97.1%, re-spectively. |
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| Keywords: | spent etching solution gravity separation orthogonal experiment cleaner production |
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