响应面优化超高石灰铝工艺去除高氯废水中的氯离子

doi:10.14088/j.cnki.issn0439-8114.2024.02.035

摘要/Abstract

摘要： 以工业生产产生的高氯废水为试验对象,采用超高石灰铝（UHLA）工艺去除高氯废水中的氯离子（Cl^-）,根据单因素结果,以Cl^-去除率为响应值,采用Box-Behnken中心组合试验优化工艺参数。结果表明,钙氯摩尔比对Cl^-去除率有极显著的影响,温度对Cl^-去除率具有显著影响,而铝氯摩尔比对Cl^-去除率无显著影响,影响程度由大到小依次为钙氯摩尔比、温度、铝氯摩尔比;UHLA工艺去除高氯废水中Cl^-的最佳工艺参数为n（Ca）∶n（Al）∶n（Cl）=5.4∶2.9∶1.0,反应温度为25.5 ℃,理论的Cl^-去除率可达90.56%;采用模拟废水对最优工艺进行横向验证,模拟废水中Cl^-去除率为97.85%,显著高于工业高氯废水;采用ICP-MS分析UHLA工艺处理前后高氯废水中的元素变化,发现UHLA工艺能有效去除阴离子如SO₄^2-、SO₃^2-、I^-等及重金属离子如Sr²⁺、Cr³⁺、Zn²⁺等。

关键词: 氯离子, 高氯废水, 模拟废水, UHLA工艺, 响应面

Abstract: Taking high chlorine wastewater generated in industrial production as the experimental object, the ultra high lime aluminum （UHLA） process was used to remove chloride ions （Cl^-） from high chlorine wastewater. Based on single factor results and Cl^- removal rate as the response value, the Box-Behnken center combination test was used to optimize the process parameters. The results showed that the calcium chloride molar ratio had a significant impact on Cl^- removal rate, temperature had a significant impact on Cl^- removal rate, while the aluminum chloride molar ratio had no significant effect on Cl^- removal rate. The degree of influence ranked from large to small as follows： calcium chloride molar ratio, temperature, and aluminum chloride molar ratio;the optimal process parameters for removing Cl^- from high chlorine wastewater using UHLA process were n （Ca）∶n （Al）∶n （Cl）=5.4∶2.9∶1.0, reaction temperature of 25.5 ℃, and theoretical Cl^- removal rate of 90.56%;the optimal process was horizontally validated using simulated wastewater, and the Cl^- removal rate in simulated wastewater was 97.85%, significantly higher than that in industrial high chlorine wastewater;ICP-MS was used to analyze the elemental changes in high chlorine wastewater before and after treatment with UHLA process. It was found that UHLA process could effectively remove anions such as SO₄^2-, SO₃^2-, and I^-, and heavy metal ions such as Sr²⁺, Cr³⁺, and Zn²⁺.

Key words: chloride ion, high chlorine wastewater, simulated wastewater, UHLA process, Box-Behnken response surface methodology

中图分类号:

X703

段越, 罗学刚. 响应面优化超高石灰铝工艺去除高氯废水中的氯离子[J]. 湖北农业科学, 2024, 63(2): 232-239.

DUAN Yue, LUO Xue-gang. Response surface optimization of ultra high life aluminum process for removing chloride ions from high chlorine wastewater[J]. HUBEI AGRICULTURAL SCIENCES, 2024, 63(2): 232-239.

参考文献 28

[1]	姚小文. 铁碳微电解-FENTON+两级A/O工艺处理抗生素废水的应用研究[D]. 南昌:南昌大学, 2019.
[2]	张兰河, 田蕊, 陈子成, 等. NaCl盐度对A2/O工艺去除废水污染物和系统微生物的影响[J]. 农业工程学报, 2018, 34(10): 231-237.
[3]	NAM D H, LEE D, CHOI K S.Electrochemical and photoelectrochemical approaches for the selective removal, recovery, and valorization of chloride ions[J]. Chemical engineering journal, 2021, 404: 126378.
[4]	NIU D, ZHANG L, FU Q, et al.Critical conditions and life prediction of reinforcement corrosion in coral aggregate concrete[J]. Construction and building materials, 2020, 238: 117685.
[5]	KOZÁK P, POLICAR T, FEDOTOV V P,et al.Effect of chloride content in water on heart rate in narrow-clawed crayfish (Astacus leptodactylus)[J].Knowledge and management of aquatic ecosystems, 2009, 32(394-395):115-118.
[6]	SIEW D,KLEIN S.The effect of sodium chloride on some metabolic and fine structural changes during the greening of etiolated leaves[J]. Journal of cell biology, 1968, 37(2): 590-596.
[7]	LI L, ZHU F, DENG P, et al.Separation and recycling of chloride salts from electrolytic titanium powders by vacuum distillation[J]. Separation and purification technology, 2020, 236: 116282.
[8]	ELSENER B, ANGST U.Mechanism of electrochemical chloride removal[J]. Corrosion science, 2007, 49(12): 4504-4522.
[9]	IAKOVLEVA E, MAKILA E, SALONEN J, et al.Industrial products and wastes as adsorbents for sulphate and chloride removal from synthetic alkaline solution and mine process water[J]. Chemical engineering journal, 2015, 259: 364-371.
[10]	WANG L P, LEE W H, TSENG S M, et al.Removal of chloride ions from an aqueous solution containing a high chloride concentration through the chemical precipitation of friedel’s salt[J]. Materials transactions, 2018, 59(2): 297-302.
[11]	XU J, CHEN P, DOU C, et al.Water qualities and products generated in dechlorination process using ultra-high lime with aluminum method[J]. Water air and soil pollution, 2021, 232(5): 170.
[12]	XIN Y, ZHOU Z, MING Q, et al.A two-stage desalination process for zero liquid discharge of flue gas desulfurization wastewater by chloride precipitation[J]. Journal of hazardous materials, 2020, 397: 122744.
[13]	CHI L,WANG Z,ZHOU Y,et al.Layered double hydroxides precursor as chloride inhibitor:Synthesis,characterization,assessment of chloride adsorption performance[J].Materials,2018,11(12):2537.
[14]	TOOR U A, DUONG T T, KO S Y, et al.Optimization of fenton process for removing toc and color from swine wastewater using response surface method (RSM)[J]. Journal of environmental management, 2021, 279: 111625.
[15]	TAK B, TAK B, KIM Y, et al.Optimization of color and cod removal from livestock wastewater by electrocoagulation process:Application of box-behnken design (BBD)[J]. Journal of industrial and engineering chemistry, 2015, 28: 307-315.
[16]	KARIMIFARD S, MOGHADDAM M R A. Application of response surface methodology in physicochemical removal of dyes from wastewater: a critical review[J]. Science of the total environment, 2018, 640: 772-797.
[17]	FANG P, TANG Z, CHEN X, et al.Chloride ion removal from the wet flue gas desulfurization and denitrification wastewater using friedel’s salt precipitation method[J]. Journal of chemistry, 2018.DOI:10.1155/2018/5461060.
[18]	程志磊, 杨保俊, 汤化伟, 等. 超高石灰铝法去除水中氯离子实验研究[J]. 工业水处理, 2015, 35(5): 38-41.
[19]	WU X, HUANG H, LIU H, et al.Reactions of self-healing agents and the chemical binding of aggressive ions in sea water:Thermodynamics and kinetics[J]. Cement and concrete research, 2021, 145: 106450.
[20]	YE X, ZHAO X, MING Q, et al.Process optimization to enhance utilization efficiency of precipitants for chloride removal from flue gas desulfurization wastewater via friedel’s salt precipitation[J]. Journal of environmental management, 2021, 299: 113682.
[21]	ABDEL-WAHAB A, BATCHELOR B.Effects of pH, temperature, and water quality on chloride removal with ultra-high lime with aluminum process[J]. Water environment research,2006, 78(9):930-937.
[22]	BEZERRA M A, SANTELLI R E, OLIVEIRA E P, et al.Response surface methodology (RSM) as a tool for optimization in analytical chemistry[J]. Talanta, 2008, 76(5): 965-977.
[23]	KIM G, PARK S.Chloride removal of calcium aluminate-layered double hydroxide phases: A review[J]. International journal of environmental research and public health, 2021, 18(6): 2797.
[24]	ABDEL-WAHAB A,BATCHELOR B.Interactions between chloride and sulfate or silica removals using an advanced lime-aluminum softening process[J]. Water environment research, 2006, 78(13): 2474-2479.
[25]	姚静华, 连霞, 齐珺, 等. 制药废水的重金属排放特征及去除效果分析[J]. 中国给水排水, 2020, 36(13): 83-88.
[26]	SZABADOS M, MESZAROS R, ERDEI S, et al.Ultrasonically-enhanced mechanochemical synthesis of caal-layered double hydroxides intercalated by a variety of inorganic anions[J]. Ultrasonics sonochemistry, 2016, 31: 409-416.
[27]	GAO K, LU J, WANG X, et al.Effect of cations on the removal rate of chloride ions and mechanism analysis in high-salt wastewater[J]. Water science and technology, 2021, 83(9): 2232-2241.
[28]	SZABADOS M, MESZAROS R, ERDEI S, et al.Ultrasonically-enhanced mechanochemical synthesis of caal-layered double hydroxides intercalated by a variety of inorganic anions[J]. Ultrasonics sonochemistry, 2016, 31: 409-416.