[1]苗侨伟,王晓丽,刘军海 *,等. 硫酸亚铁-过硫酸钾体系深度处理含镍废水 [J].电镀与精饰,2023,(10):97-102.[doi:10.3969/j.issn.1001-3849.2023.10.016]
 Miao Qiaowei,Wang Xiaoli,Liu Junhai *,et al.Deep treatment of nickel-containing wastewater with ferrous sulfate- potassium persulfate system[J].Plating & Finishing,2023,(10):97-102.[doi:10.3969/j.issn.1001-3849.2023.10.016]
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硫酸亚铁-过硫酸钾体系深度处理含镍废水
()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2023年10
页码:
97-102
栏目:
出版日期:
2023-10-15

文章信息/Info

Title:
Deep treatment of nickel-containing wastewater with ferrous sulfate- potassium persulfate system
作者:
(1.陕西理工大学 化学与环境科学学院,陕西 汉中723001; 2.陕西理工大学 陕西省催化基础与应用重点实验室,陕西 汉中723001; 3.汉中石门固体废物处置有限公司,陕西 汉中723001)
Author(s):
(1. School of Chemistry and Environmental Science, Shaanxi University of Technology, Hanzhong 723001, China; 2. Key Laboratory of Basic and Applied Catalysis, Shaanxi University of Technology, Hanzhong 723001, China; 3. Hanzhong Shimen Solid Waste Disposal Co., Ltd., Hanzhong 723001, China)


关键词:
含镍废水硫酸亚铁过硫酸钾氧化
Keywords:
nickel-containing wastewater ferrous sulfate potassium persulfate oxidation
分类号:
X703
DOI:
10.3969/j.issn.1001-3849.2023.10.016
文献标志码:
A
摘要:
为解决络合镍处置效率低、成本高的问题,以高浓度含镍废水为研究对象,以处理后水中镍的含量为判定标准,采用 4 种不同的处置方法对比其处置效果。对所选用的硫酸亚铁 - 过硫酸钾氧化沉淀法进行进一步工艺优化。结果表明:在 75 mL 的水样中,调节溶液初始 pH 为 2 ,硫酸亚铁 - 过硫酸钾投入质量比为 2 (硫酸亚铁 0.34 g ),搅拌反 应 1 h ,调节溶液 pH 为 12 ,加入絮凝剂( PAC ) 3 g ,沉淀静置 12 h ,在此条件下处理后的含镍废水中 Ni 2+ 含量为 0.830 mg·L -1 , Ni 2+ 去除率可达 99.51 % ,符合国家排放标准( Ni 2+ ≤ 1.0 mg·L -1 ),为工业级经济高效地处理含镍废水提供了可靠参考。
Abstract:
: In order to solve the problem of low efficiency and high cost of complexed nickel disposal , four different disposal methods were used to compare the disposal effect of high concentration nickel-containing wastewater with the content of nickel in treated water as the judgment standard. The selected ferrous sulfate-potassium persulfate oxidation precipitation method was further optimized. The results showed that in 75 mL water sample , the initial pH of the solution was adjusted to 2 , the input mass ratio of ferrous sulfate-potassium persulfate was 2 ( 0.34 g of ferrous sulfate ), the reaction was stirred for 1 h , the pH of the solution was adjusted to 12 , 3 g of flocculant ( PAC ) was added , and the precipitation was left for 12 h. The Ni 2+ content in the nickel-containing wastewater treated under this condition was 0.830 mg·L -1 , and the Ni 2+ removal rate could reach 99.51 % , which met the national emission standard ( Ni 2+ ≤ 1.0 mg·L -1 ) and improved the reliable reference for the economic and efficient treatment of nickel-containing wastewater at industrial level.

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备注/Memo

备注/Memo:
收稿日期: 2022-12-24 修回日期: 2023-03-23 作者简介: 苗侨伟( 2001 —),男,在读研究生, email : 2650771349@qq.com * 通信作者: 刘军海( 1972 —),男,硕士,副教授, email : 277279653@qq.com 基金项目: 2022 年度汉中市科技资金计划项目( HZKJGG-13 );陕西省科技厅项目( 2021CGBX-27 ) ;陕西理工大学研 究生创新基金项目( SLGYCX2306 )
更新日期/Last Update: 2023-10-07