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伯胺N_(1923)络合萃取苯酚
杨得岭; 宁朋歌; 曹宏斌; 张懿
2012
Source Publication过程工程学报
Issue04Pages:569-575
Abstract以伯胺N1923与磺化煤油、石油醚、甲苯或正辛醇为稀释剂组成络合萃取剂,在25℃下对苯酚模拟废水进行萃取.结果表明,40%(φ)N1923的甲苯溶液萃取苯酚效果最好.平衡水相pH8.3时对萃取影响不明显,苯酚以分子形式被伯胺N1923萃取,H+不参与络合反应;无机盐的盐析效应对苯酚萃取影响较大,顺序为(NH_4)_2SO_4>NaCl>NH4Cl.伯胺N1923与苯酚主要生成1:1型萃合物;该萃取过程放热,升高温度不利于萃取.反萃后的有机相萃取效果逐渐下降,可能是伯胺溶解造成的.40%(φ)N_1923的甲苯溶液错流萃取煤气化废水,挥发酚的一级萃取率超过99.0%,三级错流萃取结果(0.53mg/L)接近国家污水综合排放标准(0.5mg/L).
Keyword伯胺n_1923 苯酚 络合萃取 盐效应
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/10623
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
杨得岭,宁朋歌,曹宏斌,等. 伯胺N_(1923)络合萃取苯酚[J]. 过程工程学报,2012(04):569-575.
APA 杨得岭,宁朋歌,曹宏斌,&张懿.(2012).伯胺N_(1923)络合萃取苯酚.过程工程学报(04),569-575.
MLA 杨得岭,et al."伯胺N_(1923)络合萃取苯酚".过程工程学报 .04(2012):569-575.
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