Experimental Research on Synergistic Preparation of Road Base Material by Electrolytic Manganese Residue-Municipal Solid Waste Incineration Bottom Ash

Abstract

Abstract: There is a large stock and serious pollution of electrolytic manganese residue and municipal solid waste incineration bottom ash in our country, and it is urgent to develop economically and technically feasible resource utilization technologies. Electrolytic manganese residue and municipal solid waste incineration bottom ash were used to prepare a road base material (RBM), and the chemical composition, mechanical properties, durability, leaching characteristics, hydration products, and pore structure of RBM with different Ca/Si ratios (mass ratio) were studied. The hydration products and microstructure of RBM were characterized by X-ray diffraction (XRD), thermogravimetric analysis (TG), scanning electron microscope-energy dispersive spectrometer (SEM-EDX), and mercury intrusion porosimetry methods. The leaching characteristics of RBM were studied by leaching test. The results show that when the Ca/Si ratio is 0.8, the mechanical properties and pore structure of RBM are optimal, and the unconfined compressive strength (UCS) reaches 9.06 MPa after curing for 7 d, which meets the Class I standard of cement soil road base in China. The 28 d UCS of RBM after 9 freezing-thawing cycles and drying-wetting cycles is 11.63 and 9.90 MPa, respectively. The main hydration products in RBM are CaAl₂Si₂O₈·4H₂O, 3CaO·Al₂O₃(C₃A), 2CaO·SiO₂(C₂S), and CaMnSi₄O₈. The strength and durability of RBM are improved by the interlacing of hydration products. The leaching concentrations of heavy metals and ammonia nitrogen in RBM meet the Chinese groundwater standard. This study can save the cost of road base materials while realizing the large-scale utilization of electrolytic manganese residue and municipal solid waste incineration bottom ash.

Key words: electrolytic manganese residue, municipal solid waste incineration bottom ash, road base material, unconfined compressive strength, durability, leaching characteristic, hydration product

CLC Number:

TU521

ZHANG Xianwei, GAO Yonghong, WANG Ping, LI Jiangshan, LIU Shiyu, LANG Lei, LEI Xuewen. Experimental Research on Synergistic Preparation of Road Base Material by Electrolytic Manganese Residue-Municipal Solid Waste Incineration Bottom Ash[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2023, 42(4): 1363-1373.

References

[1] HE S C, JIANG D Y, HONG M H, et al. Hazard-free treatment and resource utilisation of electrolytic Manganese residue: a review[J]. Journal of Cleaner Production, 2021, 306: 127224.
[2] WANG D Q, WANG Q, XUE J F. Reuse of hazardous electrolytic Manganese residue: detailed leaching characterization and novel application as a cementitious material[J]. Resources, Conservation and Recycling, 2020, 154: 104645.
[3] SHU J C, WU H P, LIU R L, et al. Simultaneous stabilization/solidification of Mn²⁺ and NH⁴⁺-N from electrolytic manganese residue using MgO and different phosphate resource[J]. Ecotoxicology and Environmental Safety, 2018, 148: 220-227.
[4] SHU J C, LI B, CHEN M J, et al. An innovative method for Manganese (Mn²⁺) and ammonia nitrogen (NH⁴⁺-N) stabilization/solidification in electrolytic manganese residue by basic burning raw material[J]. Chemosphere, 2020, 253: 126896.
[5] ZHOU Y X. Reusing electrolytic manganese residue as an activator: the effect of calcination on its mineralogy and activity[J]. Construction and Building Materials, 2021, 294: 123533.
[6] 徐金荣. 电解锰渣无害化处理技术及资源化利用研究进展[J]. 中国锰业, 2020, 38(6): 1-6.
XU J R. A research progress on harmless treatment technology and resource utilization of electrolytic Manganese residue[J]. China's Manganese Industry, 2020, 38(6): 1-6 (in Chinese).
[7] 孙俊, 饶帅, 王东兴, 等. 硫酸-方铅矿体系高效浸出电解锰渣[J]. 中南大学学报(自然科学版), 2021, 52(11): 3800-3812.
SUN J, RAO S, WANG D X, et al. High-efficiency leaching of electrolytic Manganese residues in sulfuric acid-galena system[J]. Journal of Central South University (Science and Technology), 2021, 52(11): 3800-3812 (in Chinese).
[8] ZHANG Y L, LIU X M, XU Y T, et al. Preparation and characterization of cement treated road base material utilizing electrolytic manganese residue[J]. Journal of Cleaner Production, 2019, 232: 980-992.
[9] ZHANG Y L, LIU X M, XU Y T, et al. Preparation of road base material by utilizing electrolytic Manganese residue based on Si-Al structure: mechanical properties and Mn²⁺ stabilization/solidification characterization[J]. Journal of Hazardous Materials, 2020, 390: 122188.
[10] MALDONADO-ALAMEDA A, GIRO-PALOMA J, SVOBODOVA-SEDLACKOVA A, et al. Municipal solid waste incineration bottom ash as alkali-activated cement precursor depending on particle size[J]. Journal of Cleaner Production, 2020, 242: 118443.
[11] ZHANG H X, SHIMAOKA T. Formation of humic substances in weathered MSWI bottom ash[J]. The Scientific World Journal, 2013, 2013: 1-5.
[12] SPREADBURY C J, MCVAY M, LAUX S J, et al. A field-scale evaluation of municipal solid waste incineration bottom ash as a road base material: considerations for reuse practices[J]. Resources, Conservation and Recycling, 2021, 168: 105264.
[13] LIN C L, WENG M C, CHANG C H. Effect of incinerator bottom-ash composition on the mechanical behavior of backfill material[J]. Journal of Environmental Management, 2012, 113: 377-382.
[14] BACK S, SAKANAKURA H. Distribution of recoverable metal resources and harmful elements depending on particle size and density in municipal solid waste incineration bottom ash from dry discharge system[J]. Waste Management, 2021, 126: 652-663.
[15] HUBER F, BLASENBAUER D, ASCHENBRENNER P, et al. Chemical composition and leachability of differently sized material fractions of municipal solid waste incineration bottom ash[J]. Waste Management, 2019, 95: 593-603.
[16] 国家质量监督检验检疫总局, 中国国家标准化管理委员会. 生活垃圾焚烧炉渣集料: GB/T 25032—2010[S]. 北京: 中国标准出版社, 2011.
General Administration of Quality Supervision, Inspection and Quarantine, China National Standardization Management Committee. Domestic waste incinerator slag aggregate: GB/T 25032—2010[S]. Beijing: China Standard Press, 2011 (in Chinese).
[17] 张娜, 刘晓明, 孙恒虎. 赤泥-煤矸石基中钙体系胶凝材料的水化特性[J]. 材料研究学报, 2014, 28(5): 325-332.
ZHANG N, LIU X M, SUN H H. Hydration characteristics of intermediate-calcium based cementitious materials from red mud and coal gangue[J]. Chinese Journal of Materials Research, 2014, 28(5): 325-332 (in Chinese).
[18] LIU X M, ZHAO X B, YIN H F, et al. Intermediate-calcium based cementitious materials prepared by MSWI fly ash and other solid wastes: hydration characteristics and heavy metals solidification behavior[J]. Journal of Hazardous Materials, 2018, 349: 262-271.
[19] 中华人民共和国交通运输部. 公路工程无机结合料稳定材料试验规程: JTG E51—2009[S]. 北京: 人民交通出版社, 2009.
Ministry of Transport of the People's Republic of China. Test procedures for inorganic binder stabilized materials for highway engineering: JTG E51—2009[S]. Beijing: People's Transportation Publishing House, 2009 (in Chinese).
[20] 中华人民共和国住房和城乡建设部. 土工试验方法标准: GB/T 50123—2019[S]. 北京: 中国计划出版社, 2019.
Ministry of Housing and Urban-Rural Development of the People's Republic of China. Standard for geotechnical test methods: GB/T 50123—2019[S]. Beijing: China Plan Press, 2019 (in Chinese).
[21] 中华人民共和国交通运输部. 公路土工试验规程: JTG 3430—2020[S]. 北京: 人民交通出版社, 2020
Ministry of Transport of the People's Republic of China. Highway geotechnical test procedures: JTG 3430—2020[S]. Beijing: People's Transportation Publishing House, 2020 (in Chinese).
[22] HOY M, RACHAN R, HORPIBULSUK S, et al. Effect of wetting-drying cycles on compressive strength and microstructure of recycled asphalt pavement-fly ash geopolymer[J]. Construction and Building Materials, 2017, 144: 624-634.
[23] 国家环境保护总局. 固体废物浸出毒性浸出方法硫酸硝酸法: HJ/T 299—2007[S]. 北京: 中国环境科学出版社, 2007.
State Environmental Protection Administration. Solid waste leaching toxicity leaching method-sulfuric acid nitric acid method: HJ/T 299—2007[S]. Beijing: China Environmental Science Press, 2007 (in Chinese).
[24] ZHANG Y L, LIU X M, XU Y T, et al. Synergic effects of electrolytic manganese residue-red mud-carbide slag on the road base strength and durability properties[J]. Construction and Building Materials, 2019, 220: 364-374.
[25] 王东星, 张子伟, 王协群, 等. 干湿-冻融循环作用下水泥改性膨胀土的路用性能与微观机制[J]. 中南大学学报(自然科学版), 2022, 53(1): 306-316.
WANG D X, ZHANG Z W, WANG X Q, et al. Performance and micromechanism of cement-modified expansive soils under the influence of freeze-thaw and dry-wet cycles[J]. Journal of Central South University (Science and Technology), 2022, 53(1): 306-316 (in Chinese).
[26] 中华人民共和国交通运输部. 公路路面基层施工技术细则: JTG/T F20—2015[S]. 北京: 人民交通出版社, 2015.
Ministry of Transport of the People's Republic of China. Technical rules for construction of highway pavement base: JTG/T F20—2015[S]. Beijing: People's Traffic Press, 2015 (in Chinese).
[27] LI Y, LIU X M, LI Z P, et al. Preparation, characterization and application of red mud, fly ash and desulfurized gypsum based eco-friendly road base materials[J]. Journal of Cleaner Production, 2021, 284: 124777.
[28] 闫国孟, 彭兵, 柴立元, 等. 锰渣的理化特性及煅烧特性[J]. 中南大学学报(自然科学版), 2015, 46(7): 2419-2425.
YAN G M, PENG B, CHAI L Y, et al. Physicochemical and calcination characteristics of Manganese residue[J]. Journal of Central South University (Science and Technology), 2015, 46(7): 2419-2425 (in Chinese).
[29] 张杜超, 任冠行, 刘若麟, 等. 硫酸铵焙烧法选择性分离锌浸出渣中的锌和铁[J]. 中国有色金属学报, 2021, 31(7): 1944-1951.
ZHANG D C, REN G X, LIU R L, et al. Selective separation of zinc and iron from zinc leaching residue by ammonium sulfate roasting[J]. The Chinese Journal of Nonferrous Metals, 2021, 31(7): 1944-1951 (in Chinese).
[30] LAN J R, SUN Y, TIAN H, et al. Electrolytic manganese residue-based cement for manganese ore pit backfilling: performance and mechanism[J]. Journal of Hazardous Materials, 2021, 411: 124941.
[31] XUE F, WANG T, ZHOU M, et al. Self-solidification/stabilisation of electrolytic manganese residue: mechanistic insights[J]. Construction and Building Materials, 2020, 255: 118971.
[32] MUKIZA E, LIU X M, ZHANG L L, et al. Preparation and characterization of a red mud-based road base material: strength formation mechanism and leaching characteristics[J]. Construction and Building Materials, 2019, 220: 297-307.