微波制备碱木质素生物炭对Zn<sup>2+</sup>的吸附性能及机理

陈龙; 李凯; 涂智; 周羽; 张继龙; 弭宝彬; 武芳芳

doi:10.13205/j.hjgc.202308013

微波制备碱木质素生物炭对Zn²⁺的吸附性能及机理

doi: 10.13205/j.hjgc.202308013

陈龙¹,
李凯¹,
涂智²,
周羽¹,
张继龙¹,
弭宝彬³,
武芳芳^1, ,

1. 湖南农业大学化学与材料科学学院, 长沙 410125;
2. 湖南省农业科学院蔬菜研究所, 长沙 410125;
3. 中机国际工程设计研究院有限责任公司, 长沙 410021

基金项目:

湖南省教育厅重点科研项目(20A245)

湖南省自然科学基金面上项目(2021JJ30410,2022JJ30348)

湖南省科技人才托举工程项目(2022TJ-N15)

详细信息

作者简介:
陈龙(1997-),男,硕士,主要研究方向为农林废弃生物质热解及生物炭环境应用。1752910282@qq.com

通讯作者:
武芳芳(1987-),女,副教授,主要研究方向为生物质综合利用技术及生物炭环境治理工程。wufangfang@hunau.edu.cn

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出版历程
- 收稿日期: 2022-06-14
- 网络出版日期: 2023-11-15

ADSORPTION PERFORMANCE AND MECHANISM OF Zn²⁺ ON MICROWAVE-PREPARED ALKALI LIGNIN BIOCHAR

1. School of Chemistry and Materials Science, Hunan Agricultural University, Changsha 410125, China;
2. Institute of Vegetable Research, Hunan Academy of Agricultural Sciences, Changsha 410125, China;
3. China Machinery International Engineering Design & Research Institute Co., Ltd, Changsha 410021, China

摘要

摘要: 碱木质素是造纸工业的主要副产品。为探索碱木质素资源化利用的可行途径,以碱木质素为原料,在微波热解条件下制备得到生物炭,并研究了生物炭对水体中Zn²⁺的吸附性能和吸附机理。结果表明:在炭化温度为400 ℃,投加量为0.4 g/L,Zn²⁺初始浓度为200 mg/L,pH为5的吸附条件下,碱木质素生物炭对Zn²⁺的平衡吸附量达到313.7~326.7 mg/g,为最佳吸附效果;准二级动力学模型和Langmuir模型能更好地拟合碱木质素生物炭对Zn²⁺的吸附过程,说明生物炭的吸附速率受化学吸附机制的控制,且由Langmuir模型拟合得到生物炭对Zn²⁺的最大吸附量(q_m)为371.3~412.3 mg/g;吸附机理研究表明,碱木质素生物炭对Zn²⁺的吸附机理包括矿物共沉淀作用、DOM吸附作用、表面络合作用(含氧官能团络合和Zn²⁺-π配位作用)和离子交换作用。此外,生物炭吸附机理量化分析结果表明,矿物共沉淀和表面络合作用对生物炭吸附量的贡献分别为81.8%~85.6%和7.6%~9.9%。
- 碱木质素 /
- 生物炭 /
- Zn²⁺ /
- 吸附 /
- 机理定量分析
Abstract: Alkali lignin is the major by-product of the paper-making industry. In order to explore a feasible way for resource utilization of alkali lignin, biochar was prepared from alkali lignin under microwave pyrolysis, and the adsorption performance and mechanism of biochar were further investigated in this paper. The results showed that the best adsorption effect of biochar was achieved under the adsorption condition of a charring temperature of 400 ℃, a biochar dosage of 0.4 g/L, an initial Zn²⁺ concentration of 200 mg/L, and solution pH=5; the adsorption process could be well described by the Langmuir model and the quasi-secondary kinetic model, indicating that the adsorption process was dominated by chemisorption, and the maximum adsorption capacity (q_m) of biochar calculated from the Langmuir fitting reached 371.3 to 412.3 mg/g; the adsorption mechanism analysis of biochar revealed that the mechanisms mainly include mineral co-precipitation, DOM interaction, surface complexation (O-functional group complexation and Zn²⁺-π complexation), and ionic exchange. In addition, the results of quantitative analysis of the adsorption mechanism showed that mineral co-precipitation and surface complexation contributed 81.8%~85.6% and 7.6%~9.9% to the adsorption capacities of biochars, respectively.
- alkali lignin /
- biochar /
- Zn²⁺ /
- adsorption /
- quantitative analysis of mechanism

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参考文献(44)

[1]	陈三理.硫化物对城市污泥重金属的钝化与稳定化研究[D].合肥:安徽农业大学,2016.
[2]	丁慧,朱宗强,曹爽,等.桉树遗态结构HAP/C复合材料对水中Zn(Ⅱ)的吸附研究[J].水处理技术,2017,43(6):73-76 ,81.
[3]	SONG J P,ZHANG S S,LI G X,et al.Preparation of montmorillonite modified biochar with various temperatures and their mechanism for Zn ion removal[J].Journal of Hazardous Materials,2020,391:121692.
[4]	MEUNIER N,DROGUI P,MONTANÉC,et al.Comparison between electrocoagulation and chemical precipitation for metals removal from acidic soil leachate[J].Journal of Hazardous Materials,2006,137(1):581-590.
[5]	李旭恒.石墨烯电极在电化学法去除水体铅离子中的应用研究[D].北京:中国科学院大学(中国科学院东北地理与农业生态研究所),2017.
[6]	王思巧.纳米羟基铁改性大孔离子交换树脂的制备及其对重金属离子的去除[D].广州:华南理工大学,2020.
[7]	EFOME J E,RANA D,MATSUURA T,et al.Effects of operating parameters and coexisting ions on the efficiency of heavy metal ions removal by nano-fibrous metal-organic framework membrane filtration process[J].Science of the Total Environment,2019,674:355-362.
[8]	贺俊钦,李仕友,伍随意,等.水生植物去除重金属研究进展[J].应用化工,2022,51(6):1804-1810.
[9]	WU F F,CHEN L,HU P,et al.Industrial alkali lignin-derived biochar as highly efficient and low-cost adsorption material for Pb(Ⅱ) from aquatic environment[J].Bioresource Technology,2021,322:124539.
[10]	冯丽蓉,校亮,袁国栋,等.原料和制炭方式对生物炭吸附抗生素的影响[J].中国环境科学,2020,40(3):1156-1165.
[11]	蒲生彦,贺玲玲,刘世宾.生物炭复合材料在废水处理中的应用研究进展[J].工业水处理,2019,39(9):1-7.
[12]	李雪英.不同碳材料的硝化还原改性及对Cu(Ⅱ)的吸附机理研究[D].南京:南京农业大学,2016.
[13]	商中省,涂佳勇,蔡毅猛,等.高锰酸钾改性核桃壳基生物炭对水溶液中Cu²⁺的吸附性能[J].天津科技大学学报,2020,35(5):25-31 ,65.
[14]	王文亮,时宇杰,党泽攀,等.基于钙盐添加剂的碱木质素热裂解规律研究[J].陕西科技大学学报,2018,36(4):1-6.
[15]	赵媛媛,武书彬,廖艳芬.碱木质素在溶剂/水混合体系中的解聚特性[J].华南理工大学学报(自然科学版),2019,47(5):32-38.
[16]	TIAN R,DONG H R,CHEN J,et al.Electrochemical behaviors of biochar materials during pollutant removal in wastewater:a review[J].Chemical Engineering Journal,2021,425:130585.
[17]	WU F F,CHEN L,HU P,et al.Comparison of properties,adsorption performance and mechanisms to Cd (Ⅱ) on ligninderived biochars under different pyrolysis temperatures by microwave heating[J].Environmental Technology&Innovation,2022,25:102196.
[18]	嵇梦圆,胡逸文,梁程,等.农林废弃物基生物炭对重金属铅和镉的吸附特性[J].生态与农村环境学报,2020,36(1):106-114.
[19]	吴晴雯,孟梁,张志豪,等.芦苇秸秆生物炭对水体中重金属Ni²⁺的吸附特性[J].环境化学,2015,34(9):1703-1709.
[20]	梁丽春,李朝霞,庞少峰,等.一步低温热解制备生物炭及其在染料废水处理中的应用[J].功能材料,2021,52 (10):10212-10220.
[21]	XIAO J,HU R,CHEN G C.Micro-nano-engineered nitrogenous bone biochar developed with a ball-milling technique for highefficiency removal of aquatic Cd(Ⅱ),Cu(Ⅱ) and Pb(Ⅱ)[J].Journal of Hazardous Materials,2020,387:121980.
[22]	李力,陆宇超,刘娅,等.玉米秸秆生物炭对Cd(Ⅱ)的吸附机理研究[J].农业环境科学学报,2012,31(11):2277-2283.
[23]	孟莉蓉,俞浩丹,杨婷婷,等.改性豆饼生物质炭对铅的吸附特性[J].生态与农村环境学报,2018,34(7):643-650.
[24]	邓潇,周航,陈珊,等.改性玉米秸秆炭和花生壳炭对溶液中Cd²⁺的吸附[J].环境工程学报,2016,10(11):6325-6331.
[25]	YANG L,CHEN J P.Biosorption of hexavalent chromium onto raw and chemically modified Sargassum sp.[J].Bioresource Technology,2008,99(2):297-307.
[26]	XIAO J,HU R,CHEN G C,et al.Facile synthesis of multifunctional bone biochar composites decorated with Fe/Mn oxide micro-nanoparticles:physicochemical properties,heavy metals sorption behavior and mechanism[J].Journal of Hazardous Materials,2020,399:123067.
[27]	DEMIRBAS A.Adsorption of lead and cadmium ions in aqueous solutions onto modified lignin from alkali glycerol delignication[J].Journal of Hazardous Materials,2004,109(1):221-226.
[28]	KLAPISZEWSKIŁ,SIWIN'SKA-STEFAN'SKA K,KOŁODYN'SKAD.Preparation and characterization of novel TiO₂/lignin and TiO₂-SiO₂/lignin hybrids and their use as functional biosorbents for Pb(Ⅱ)[J].Chemical Engineering Journal,2017,314:169-181.
[29]	WANG Q R,ZHENG C L,SHEN Z X,et al.Polyethyleneimine and carbon disulfide co-modified alkaline lignin for removal of Pb²⁺ions from water[J].Chemical Engineering Journal,2019,359:265-274.
[30]	YUAN H R,LU T,HUANG H Y,et al.Influence of pyrolysis temperature on physical and chemical properties of biochar made from sewage sludge[J].Journal of Analytical and Applied Pyrolysis,2015,112:284-289.
[31]	LENG L J,HUANG H T,LI H,et al.Biochar stability assessment methods:a review[J].Science of the Total Environment,2019,647:210-222.
[32]	CUI X Q,FANG S Y,YAO Y Q,et al.Potential mechanisms of cadmium removal from aqueous solution by Canna indica derived biochar[J].Science of the Total Environment,2016,562:517-525.
[33]	GUO X J,PENG Y Y,LI N X,et al.Effect of biochar-derived DOM on the interaction between Cu(Ⅱ) and biochar prepared at different pyrolysis temperatures[J].Journal of Hazardous Materials,2022,421:126739.
[34]	HUANG M,LI Z W,LUO N L,et al.Application potential of biochar in environment:insight from degradation of biochar-derived DOM and complexation of DOM with heavy metals[J].Science of the Total Environment,2019,646:220-228.
[35]	LI M,ZHANG A F,WU H M,et al.Predicting potential release of dissolved organic matter from biochars derived from agricultural residues using fluorescence and ultraviolet absorbance[J].Journal of Hazardous Materials,2017,334:86-92.
[36]	SELBERG A,VIIK M,EHAPALU K,et al.Content and composition of natural organic matter in water of Lake Pitkjärv and mire feeding Kuke River (Estonia)[J].Journal of Hydrology,2011,400(1):274-280.
[37]	柯以侃.ATC 007紫外-可见吸收光谱分析技术[M].北京:中国标准出版社,2013.
[38]	S'WIETLIK J,SIKORSKA E.Application of fluorescence spectroscopy in the studies of natural organic matter fractions reactivity with chlorine dioxide and ozone[J].Water Research,2004,38(17):3791-3799.
[39]	康彩艳,李秋燕,刘金玉,等.不同热解温度生物炭对Cd²⁺的吸附影响[J].工业水处理,2021,41(5):68-72 ,79.
[40]	HUSON M G,CHURCH J S,KAFI A A,et al.Heterogeneity of carbon fibre[J].Carbon,2014,68:240-249.
[41]	ZHANG P,WANG X H,XUE B,et al.Preparation of graphitelike biochars derived from straw and newspaper based on ballmilling and TEMPO-mediated oxidation and their supersorption performances to imidacloprid and sulfadiazine[J].Chemical Engineering Journal,2021,411:128502.
[42]	SHANG Y N,CHEN C,ZHANG P,et al.Removal of sulfamethoxazole from water via activation of persulfate by Fe₃C@NCNTs including mechanism of radical and nonradical process[J].Chemical Engineering Journal,2019,375:122004.
[43]	闫代红,马亚培,宋凯悦,等.原料和热解温度对生物炭中可溶性有机质的影响[J].环境科学,2021,42(10):5030-5036.
[44]	许天星,高甫威,于梦梦,等.花生壳生物炭降解对硝基苯酚的机制探究[J].昆明理工大学学报(自然科学版),2022,47(1):118-127.