石墨烯掺杂的聚吡咯/钴镍双氢氧化物电控分离低浓度磷酸盐的性能
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杨言言, 刘堰, 杨颂, 汪紫彤, 朱峰, 余钟亮, 郝晓刚
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Performance of Graphene-doped Polypyrrole/Co-Ni Double Hydroxide for Electronic Separation of Low Concentration Phosphates
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YANG Yanyan, LIU Yan, YANG Song, WANG Zitong, ZHU Feng, YU Zhongliang, HAO Xiaogang
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表1 PPy-G/CoNi-LDH杂化膜在不同初始PO浓度条件下对PO的吸附动力学
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Table 1 Kinetic adsorption parameters of PO on PPy-G/CoNi-LDH hybrid film with different concentrations under 0.8 V
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| ρ0 / mg·L-1 | qe(exp) / mg·g-1 | Pseudo-first-order | Pseudo-second-order |
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| k1 / min-1 | qe(cal) / mg·g-1 | R2 | k2 / g·mg-1·min-1 | qe(cal) / mg·g-1 | R2 |
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| 50 | 75.23 | 5.67 × 10-3 | 73.22 | 0.997 | 5.1 × 10--5 | 107.64 | 0.945 | | 30 | 62.50 | 5.80 × 10-3 | 59.81 | 0.904 | 7.6 × 10-5 | 85.03 | 0.953 | | 10 | 40.23 | 5.07 × 10-3 | 41.11 | 0.995 | 1.0 × 10-4 | 44.21 | 0.817 | | 5 | 16.04 | 1.45 × 10-3 | 16.54 | 0.947 | 3.5 × 10-4 | 85.32 | 0.386 |
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