PDF Download

[1]Ma Chengfeng,Bai Yiru,Yuan Cheng,et al.Effect of Iron-Modified Biochar on Pb2+ Transport in Loessial Soil and Model Analysis[J].Research of Soil and Water Conservation,2024,31(06):213-220,229.[doi:10.13869/j.cnki.rswc.2024.06.011]

Copy

Effect of Iron-Modified Biochar on Pb²⁺ Transport in Loessial Soil and Model Analysis

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 31 Number of periods: 2024 06 Page number: 213-220,229 Column: Public date: 2024-12-10

Title:: Effect of Iron-Modified Biochar on Pb²⁺ Transport in Loessial Soil and Model Analysis

Author(s):: Ma Chengfeng^1,2, Bai Yiru³, Yuan Cheng^1,2, Ma Yan³, Wang Youqi^1,2; (1.School of Ecology and Environment, Ningxia University, Yinchuan 750021, China; 2.Breeding Base for State Key Laboratory of Land Degradation and Ecological Restoration in Northwest China, Yinchuan 750021, China; 3.School of Geographic Science and Planning, Ningxia University, Yinchuan 750021, China)

Keywords:: iron-modified biochar; solute transport; Pb²⁺; two-zone model; convection-dispersion equation

CLC:: S153

DOI:: 10.13869/j.cnki.rswc.2024.06.011

Abstract:: [Objective]The aims of this study are to explicit the transport processes of heavy metals in soil under different addition amounts of iron-modified biochar, and to provide theoretical basis for soil heavy metals pollution control in loess area. [Methods]The mass ratios of iron-modified biochar to loessial soil were 0%(CK), 1%(A₁), 2%(A₂), 3%(A₃), 4%(A₄)and 5%(A₅), respectively, and Pb²⁺was used as the tracer ion to simulate solute transport tests in indoor soil column. The effects of different amounts of iron-modified biochar on Pb²⁺transport in loessial soil were studied and simulated. [Results](1)The saturated water conductivity(K_s)of A₁, A₂, A₃, A₄ and A₅ treatments decreased by 6.90%, 20.70%, 27.60%, 31.03% and 37.93% compared with CK, respectively, which indicated that K_s gradually decreased with the increasing amount of iron-modified biochar application.(2)Compared with CK, the total duration of Pb²⁺concentration under different treatments was extended by 1.79, 13.00, 34.98, 35.34 and 40.81 hours, respectively. With the increasing of iron-modified biochar application, the initial and complete penetration time of heavy metals were significantly delayed.(3)The fitting curves of the two-zone model(TRM)and the convection-dispersion equation(CDE)agreed well with the measured curves, but the coefficient of determination(R²)of TRM was greater than that of CDE, and the root mean square error(RMSE)was less than that of CDE, so the simulation accuracy of TRM was better. [Conclusion]The application of iron-modified biochar in soil can effectively slow down the transport process of heavy metals, and provide theoretical reference for prevention of heavy metal pollution in loess area.

References:: [1]戴志楠,杨兴,陈翰博,等.原始及铁改性生物质炭对污染土壤中As、Pb生物有效性和微生物群落结构的影响[J].环境科学学报,2022,42(7):456-465.
Dai Z N, Yang X, Chen H B, et al. Effect of raw and iron-modified biochars on the bioavailability of As and Pb and functional diversity of the microbial community in soils[J]. Acta Scientiae Circumstantiae, 2022,42(7):456-465.
[2]冯树娜,吕家珑,何海龙.KI淋洗对黄绵土汞污染的去除效果及土壤理化性状的影响[J].生态环境学报,2023,32(4):776-783.
Feng S N, Lü J L, He H L. Effect of KI leaching on the Hg(Ⅱ)removal of loess soil and the physicochemical properties of the soil[J]. Ecology and Environmental Sciences, 2023,32(4):776-783.
[3]Chen M Y, Ke D, Wang W K, et al. Soil heavy metal Pb concentration quantitative inversion method based on hyperspectral remote sensing[J]. Iop Conference Series:Earth and Environmental Science, 2022,1087(1):012050.
[4]Qiao J B, Sun H M, Luo X H, et al. EDTA-assisted leaching of Pb and Cd from contaminated soil[J]. Chemosphere, 2017,167:422-428.
[5]Sun T, Xu Y M, Sun Y B, et al. Cd immobilization and soil quality under Fe-modified biochar in weakly alkaline soil[J]. Chemosphere, 2021,280:130606.
[6]Wan X M, Li C Y, Parikh S J. Simultaneous removal of arsenic, cadmium, and lead from soil by iron-modified magnetic biochar[J]. Environmental Pollution, 2020,261:114157.
[7]Zhou Q W, Lin L N, Qiu W W, et al. Supplementation with ferromanganese oxide-impregnated biochar composite reduces cadmium uptake by indica rice(Oryza sativa L.)[J]. Journal of Cleaner Production, 2018,184:1052-1059.
[8]陈颢明,胡亦舒,李真.溶磷微生物改性生物炭吸附重金属的机理研究[J].中国环境科学,2021,41(2):684-692.
Chen H M, Hu Y S, Li Z. Adsorption mechanism of heavy metals by phosphate-solubilizing microorganism modified biochar[J]. China Environmental Science, 2021,41(2):684-692.
[9]梁欣冉,何丹,郑曌华,等.两种铁改性生物炭对微碱性砷镉污染土壤的修复效果[J].环境科学,2023,44(7):4100-4108.
Liang X R, He D, Zheng Z H, et al. Remediation effect of two iron-modified biochars on slightly alkaline arsenic and cadmium contaminated soil[J]. Environmental Science, 2023,44(7):4100-4108.
[10]李荣磊,陈留美,邵明安,等.黄土高原不同土质和植被类型下Cl^-运移特征及影响因素[J].土壤学报,2021,58(5):1190-1201.
Li R L, Chen L M, Shao M A, et al. Cl^- transport and its influencing factors in soil as affected by soil texture and vegetation cover in Loess Plateau[J]. Acta Pedologica Sinica, 2021,58(5):1190-1201.
[11]Pei Y W, Huang L M, Li D F, et al. Characteristics and controls of solute transport under different conditions of soil texture and vegetation type in the water-wind erosion crisscross region of China's Loess Plateau[J]. Chemosphere, 2021,273:129651.
[12]Pietrzak D. Modeling migration of organic pollutants in groundwater: Review of available software[J]. Environmental Modelling and Software,2021,144:105145.
[13]Liu X Y, Guo H, Zhang X Y, et al. Modeling the transport behavior of Pb(Ⅱ), Ni(Ⅱ)and Cd(Ⅱ)in the complex heavy metal pollution site under the influence of coexisting ions[J]. Process Safety and Environmental Protection, 2022,162:211-218.
[14]辛圆心,詹美礼.土壤中重金属离子运移规律数值模拟分析[J].西北水电,2019(6):42-46.
Xin Y X, Zhan M L. Numerical simulation analysis of heavy metal ion migration in soil[J]. Northwest Hydropower, 2019(6):42-46.
[15]李柏良,纪书华,于童,等.不同氧化还原条件下土壤中Cd/Zn/Cu共运移特征及数值模拟[J].中国环境科学,2022,42(8):3841-3848.
Li B L, Ji S H, Yu T, et al. Characteristics and numerical simulation of the co-transport of Cd/Zn/Cu in soils under different redox potentials[J]. China Environmental Science, 2022,42(8):3841-3848.
[16]吕金榜,周蓓蓓,王全九,等.纳米TiO₂对土壤水分运动及离子迁移过程影响的试验研究[J].水土保持研究,2015,22(5):58-61,66.
Lü J B, Zhou B B, Wang Q J, et al. Experimental study on effects of nano TiO₂ on water movement, solute transport in soil columns[J]. Research of Soil and Water Conservation, 2015,22(5):58-61,66.
[17]戴世鑫,郭同铠,毛伟兵,等.基于分形理论配沙对粘质盐土饱和导水率的影响研究[J].节水灌溉,2021(3):19-24.
Dai S X, Guo T K, Mao W B, et al. Research on the influence of sand distribution on the saturated hydraulic conductivity of clayey saline soil based on fractal theory[J]. Water Saving Irrigation, 2021(3):19-24.
[18]刘旭,白一茹,马娴,等.生物炭对黄绵土水分吸渗特征及水力学参数的影响[J].干旱区资源与环境,2023,37(3):77-84.
Liu X, Bai Y R, Ma X, et al. Effects of biochar on water absorption characteristics and hydraulic parameters of loessial soil[J]. Journal of Arid Land Resources and Environment, 2023,37(3):77-84.
[19]吴军虎,任敏.羟丙基甲基纤维素作土壤改良剂对土壤溶质运移的影响[J].农业工程学报,2019,35(5):141-147.
Wu J H, Ren M. Effect of hydroxypropyl methyl cellulose as soil modifier on solute migration in soil[J]. Transactions of the Chinese Society of Agricultural Engineering, 2019,35(5):141-147.
[20]吕思璐,刘天,王旭,等.硫化亚铁改性生物炭对水中Cr(Ⅵ)的去除机理研究[J].中国环境科学,2023,43(8):3935-3945.
Lyu S L, Liu T, Wang X, et al. Removal and mechanism study of Cr(Ⅵ)in water by sludge biochar-supported nano-ferrous sulfide[J]. China Environmental Science, 2023,43(8):3935-3945.
[21]Gao Y R, Chen H B, Fang Z, et al. Coupled sorptive and oxidative antimony(Ⅲ)removal by iron-modified biochar: Mechanisms of electron-donating capacity and reactive Fe species[J]. Environmental Pollution, 2023,337:122637.
[22]戴志楠,温尔刚,陈翰博,等.施用原始及铁改性生物质炭对土壤吸附砷(Ⅴ)的影响[J].浙江农林大学学报,2021,38(2):346-354.
Dai Z N, Wen E G, Chen H B, et al. Effect of raw and iron-modified biochar on the sorption of As(Ⅴ)by soils[J]. Journal of Zhejiang A & F University, 2021,38(2):346-354.
[23]刘璐,张晴雯,潘英华,等.改良剂对盐化潮土饱和导水率的影响[J].水土保持研究,2019,26(3):66-71.
Liu L, Zhang Q W, Pan Y H, et al. Effects of soil amendments on hydraulic conductivity of salinized Chao soil[J]. Research of Soil and Water Conservation, 2019,26(3):66-71.
[24]郑纪勇,邵明安,张兴昌.黄土区坡面表层土壤容重和饱和导水率空间变异特征[J].水土保持学报,2004,18(3):53-56.
Zheng J Y, Shao M A, Zhang X C. Spatial variation of surface soil's bulk density and saturated hydraulic conductivity on slope in loess region[J]. Journal of Soil Water Conservation, 2004,18(3):53-56.
[25]张皓钰,刘竞,易军,等.生物质炭短期添加对不同类型土壤水力性质的影响[J].土壤,2022,54(2):396-405.
Zhang H Y, Liu J, Yi J, et al. Effects of short-termed biochar application on hydraulic properties of different types of soils[J]. Soils, 2022,54(2):396-405.
[26]屠丹,毛天旭.添加生物质炭对喀斯特地区黄壤饱和导水率的影响[J].水土保持研究,2021,28(5):108-113,120.
Tu D, Mao T X. Effect of biochar addition on saturated hydraulic conductivity of yellow soil in Karst area[J]. Research of Soil and Water Conservation, 2021,28(5):108-113,120.
[27]王丹丹,郑纪勇,颜永毫,等.生物炭对宁南山区土壤持水性能影响的定位研究[J].水土保持学报,2013,27(2):101-104,109.
Wang D D, Zheng J Y, Yan Y H, et al. Effect of biochar application on soil water holding capacity in the southern region of Ningxia[J]. Journal of Soil and Water Conservation, 2013,27(2):101-104,109.
[28]解倩,王丽梅,齐瑞鹏,等.生物炭对黄绵土水分入渗和持水性能的影响[J].地球环境学报,2016,7(1):65-76,86.
Xie Q, Wang L M, Qi R P, et al. Effects of biochar on water infiltration and water holding capacity of loessial soil[J]. Journal of Earth Environment, 2016,7(1):65-76,86.
[29]刘艳丽,周蓓蓓,王全九,等.纳米碳对黄绵土水分运动及溶质迁移特征的影响[J].水土保持学报,2015,29(1):21-25.
Liu Y L, Zhou B B, Wang Q J, et al. Effects of nano-carbon on water movement and solute transport in loessial soil[J]. Journal of Soil and Water Conservation, 2015,29(1):21-25.
[30]Stagnitti F, Li L, Barry A, et al. Modelling solute transport in structured soils: Performance evaluation of the ADR and TRM models[J]. Mathematical and Computer Modelling, 2001,34(3/4):433-440.

Similar References:

Memo

Last Update: 2024-12-10