[1]王颖,熊源泉,张晋萍.脱硫脱硝吸收液中硫酸铵电化学制备过硫酸铵的实验研究[J].东南大学学报(自然科学版),2015,45(4):738-744.[doi:10.3969/j.issn.1001-0505.2015.04.022]
 Wang Ying,Xiong Yuanquan,Zhang Jinping.Experimental study on electrosynthesis of ammonium persulfate using ammonium sulfate solutions from wet simultaneous desulfurization and denitrification[J].Journal of Southeast University (Natural Science Edition),2015,45(4):738-744.[doi:10.3969/j.issn.1001-0505.2015.04.022]
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脱硫脱硝吸收液中硫酸铵电化学制备过硫酸铵的实验研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
45
期数:
2015年第4期
页码:
738-744
栏目:
化学化工
出版日期:
2015-07-20

文章信息/Info

Title:
Experimental study on electrosynthesis of ammonium persulfate using ammonium sulfate solutions from wet simultaneous desulfurization and denitrification
作者:
王颖熊源泉张晋萍
东南大学能源热转换及其过程测控教育部重点实验室, 南京 210096
Author(s):
Wang Ying Xiong Yuanquan Zhang Jinping
Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing 210096, China
关键词:
电解 硫酸铵 过硫酸铵 硫氰酸铵 聚磷酸铵
Keywords:
electrolysis ammonium sulfate ammonium persulfate ammonium thiocyanate ammonium polyphosphate
分类号:
O646.5
DOI:
10.3969/j.issn.1001-0505.2015.04.022
摘要:
尿素/氨混合溶液同时脱硫脱硝的循环吸收液中硫酸铵的含量达到82%,为了实现尿素/氨混合溶液同时脱硫脱硝的循环吸收液高效、高附加值的资源化回收,对硫酸铵电解过程中工艺参数的影响特性进行了实验研究.实验在自制的电解装置中进行,阴极采用钛板材料作电极,分别采用静态和动态方法,对硫酸铵电解过程中工艺参数如槽电压、反应物浓度、添加剂、反应时间等进行了考察.实验结果表明,在最优工况下最佳电流效率达到88.91%.较国内电解硫酸铵制备过硫酸铵的常见电流效率提高超过3%,验证了钛板为阴极在电解硫酸铵制备过硫酸铵中的可行性.同时通过对比发现,聚磷酸铵作为阳极添加剂具有可行性.
Abstract:
The content of ammonium sulfate in recycling absorbent solutions from the wet simultaneous desulfurization and denitrification using urea/ammonia solution reaches above 82%. In order to realize the efficient and higher value-added resource recycling utilization for the above absorbent solution, the effects of operating parameters, such as the electrobath voltage, the concentration of reactant, catalysts, electrolytic time, on the process for electrosynthesis of ammonium persulfate were investigated by experiments. The experiments were carried out in a homemade electrolytic experiment device with the titanium plate as the cathode using both static and dynamic methods. The experimental results indicate that the current efficiency reaches 88.91% under the optimal operating conditions. Therefore, the current efficiency is increased by more than 3% compared with that of the domestic existing process for electrosynthesis of ammonium persulfate. It confirms that the titanium plate as the cathode in electrosynthesis of ammonium persulfate is feasible. Meanwhile, it is also found that ammonium polyphosphate as additive is effective.

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备注/Memo

备注/Memo:
收稿日期: 2015-01-25.
作者简介: 王颖(1988—),女,硕士生;熊源泉(联系人),男,博士,教授,博士生导师, yqxiong@seu.edu.cn.
基金项目: 国家自然科学基金资助项目(51376047).
引用本文: 王颖,熊源泉,张晋萍.脱硫脱硝吸收液中硫酸铵电化学制备过硫酸铵的实验研究[J].东南大学学报:自然科学版,2015,45(4):738-744. [doi:10.3969/j.issn.1001-0505.2015.04.022]
更新日期/Last Update: 2015-07-20