Journal of Hazardous Materials最新文献

{"title":"Influence of landfill leachate microenvironment on the occurrence of microplastics: TOC changes are the main driving factor","authors":"Jiabao Chen, Fan Zhang, Yanhong Li, Wenbing Tan, Ying Yuan, Yu Jiang","doi":"10.1016/j.jhazmat.2025.138080","DOIUrl":"https://doi.org/10.1016/j.jhazmat.2025.138080","url":null,"abstract":"Factors such as inorganic salts, heavy metals and organics in landfill leachate can affect the environmental behavior and transport properties of microplastics. However, the influence of the microenvironment on the behavioral effects of microplastics in landfill leachate is still limited. In this study, the abundance characteristics of microplastics in leachate from 15 landfills in the North China Plain were investigated. The results showed that the abundance of microplastics in the leachate in this region was 712.0 items/L, which was mainly composed of small particle size and long fibrous microplastics. The relationships between leachate physicochemical factors and microplastic accumulation patterns were explored using models such as structural equations. Among them, TOC (Total Organic Carbon) had the strongest driving effect on 50-100 μm microplastics. And it had different effects on different microplastics: it promoted the degradation of PET (Polyethylene terephthalate), while it inhibited the degradation of PVC (Polyvinyl chloride), FVMQ (Fluorosilicone rubber) and PSU (Polysulfone). The ridge regression model indicated that the interaction of landfill age with Cr (Chromium) and the interaction of redox potential with Cr were the key factors influencing the behavioral characteristics of microplastics in leachate. These results provide a scientific basis for the treating waste leachate and the controlling the emerging pollutants.","PeriodicalId":361,"journal":{"name":"Journal of Hazardous Materials","volume":"125 1","pages":""},"PeriodicalIF":13.6,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143713740","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Interpretable Machine Learning-Based Insights into Early-Life Endocrine Disruptor Exposure and Small Vulnerable Newborns","authors":"Luhan Yang, Yuxian Liu, Henglin Zhang, Yanan Zhao, Guanglan Zhang, Yanpeng Cai, Lan Yang, Jianya Xi, Ziliang Wang, Hong Liang, Maohua Miao, Tao Zhang, Jingchuan Xue","doi":"10.1016/j.jhazmat.2025.138067","DOIUrl":"https://doi.org/10.1016/j.jhazmat.2025.138067","url":null,"abstract":"Early-life exposure to endocrine-disrupting chemicals (EDCs) may contribute to small vulnerable newborns, including conditions such as being small for gestational age (SGA) and preterm birth (PTB), yet evidence remains limited. This study, which is based on 739 mother–infant pairs in the Chinese Jiashan Birth Cohort (2016–2018), including 39 SGA and 38 PTB cases, employed interpretable machine learning to elucidate the isolated effects of 34 EDCs on SGA and PTB risk and sex interactions in a multi-substance exposure context. Extra Trees and CatBoost classifiers performed best for SGA and PTB, respectively, achieving sensitivities of 0.60 and 0.73 and specificities of 0.82 and 0.97. For SGA, key predictors included bisphenol A (2,3-dihydroxypropyl) glycidyl ether (BADGE-H₂O), benzophenone (bZp), bisphenol A bis(2,3-dihydroxypropyl) ether (BADGE-2H₂O), propyl paraben (PrP), and 2-methylthio-benzothiazole (2-Me-S-BTH). Lower exposures to BADGE-H₂O, bZp, and BADGE-2H₂O (concentrations below 0.21, 4.22, and 0.93<!-- --> <!-- -->μg·g⁻¹ creatinine, respectively) and higher exposure to 2-Me-S-BTH (above 0.15<!-- --> <!-- -->μg·g⁻¹ creatinine) were both associated with increased SGA risk. Notably, BADGE-H₂O, BADGE-2H₂O, and PrP showed significant interactions with fetal sex. For PTB, key predictors included ethyl paraben (EtP), methyl paraben (MeP), bZp, BADGE-H₂O, and 1H-benzotriazole (1-H-BTR). Lower BADGE-H₂O and higher EtP and bZp exposures increased PTB risk (&lt; 0.10 and &gt; 0.01 and 0.60<!-- --> <!-- -->μg·g⁻¹ creatinine, respectively). Male fetuses appeared more susceptible to EtP and MeP, and female fetuses were more susceptible to 1-H-BTR. Bayesian kernel machine regression was performed to compare the results. This study demonstrated the potential of interpretable machine learning in environmental epidemiology.","PeriodicalId":361,"journal":{"name":"Journal of Hazardous Materials","volume":"10 1","pages":""},"PeriodicalIF":13.6,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143703204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Arsenic Accumulation in two Pteris vittata Ecotypes: Insights into Transpiration, Spore As/P Ratios, and Arsenic Metabolism Gene Expression","authors":"Shufen Xiao, Chun-Yan Hu, Qianyu Zhou, Chenjing Liu, Lena Q. Ma","doi":"10.1016/j.jhazmat.2025.138072","DOIUrl":"https://doi.org/10.1016/j.jhazmat.2025.138072","url":null,"abstract":"Arsenic (As) contamination in soils poses a potential risk to human health. The arsenic-hyperaccumulator <em>Pteris vittata</em> has been utilized for phytoremediation of As-contaminated soils. <em>P. vittata</em> from different regions all accumulates As, with accumulation ability varying among ecotypes. Typically, ecotypes with greater transpiration and lower As levels in their habitat show greater As accumulation, but the underlying molecular mechanisms remain unclear. Here, we assessed the As contents, As speciation, and As metabolism-related genes in two ecotypes of <em>P. vittata</em> from Kunming and Hangzhou in Southwest and Southeast China. After 30 days of growth in sand media with 50<!-- --> <!-- -->µM As, the Kunming ecotype with greater transpiration accumulated 1.5-fold more As in the fronds than Hangzhou, which was negatively correlated with its spore As contents but positively correlated with its spore P contents. Besides, the arsenite (AsIII) content in <em>P. vittata</em> fronds of Kunming ecotype was 1.5-fold greater than Hangzhou ecotype. The greater As and AsIII contents in the fronds of Kunming ecotype were probably due to the greater expression of As metabolism genes, including a 2.8-fold greater in P transporter <em>PvPht1;3</em> (As uptake), 1.8-fold greater in arsenate reductase <em>PvHAC2</em> (As reduction) and 2.9-fold greater in arsenite antiporter <em>PvACR3;2</em> (As translocation), being critical genes for As accumulation by <em>P. vittata</em>. This is the first examination of genes related to As metabolism In different <em>P. vittata</em> ecotypes, providing valuable insights to select <em>P. vittata</em> with greater As accumulation for more efficient phytoremediation.","PeriodicalId":361,"journal":{"name":"Journal of Hazardous Materials","volume":"15 1","pages":""},"PeriodicalIF":13.6,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143713741","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Co-treatment of spent carbon cathodes and oily sludge residues for toxic substance immobilization and resource utilization","authors":"Xueyi Zhao, Liuzhou Zhou, Zewen Mo, Xuewei Li, Jun Zhou, Zhen Yao, Wei Liu, Qifan Zhong","doi":"10.1016/j.jhazmat.2025.138071","DOIUrl":"https://doi.org/10.1016/j.jhazmat.2025.138071","url":null,"abstract":"Spent cathode carbon (SCC) and oily sludge residue (OSR) are serious threats to the ecological environment as carbonaceous hazardous wastes due to a variety of substantial leaching toxicity (F, CN, and heavy metals). Currently, no appropriate technologies have been proposed for the harmless disposal of SCC and OSR owing to the prohibitively high treatment costs and ambiguous application pathways. The aim of this study is to achieve synergistic detoxification and all component utilization of SCC and OSR based on their resource interaction properties. First, high-temperature oxidation co-treatment was designed based on the physicochemical properties and thermodynamic characteristics of SCC and OSR. Second, the coprocessing parameters were optimized sequentially. Third, multiple detection techniques and simulation methods were used to explore the synergistic detoxification mechanism. Finally, the cotreated waste residue and flue gas are used to prepare cementitious materials and synthesize high-value fluorides, respectively. Results show that various toxic substances were efficiently dissociated and immobilized through the co-treatment. The dissociation rates of soluble fluoride and cyanide in SCC were 99.45% and 99.34%, respectively. The leaching concentrations of heavy metal elements (Zn, Ni, Pb) in OSR were all below the safety thresholds. Simultaneously, the flue gas was successfully converted into cryolite with similar phase composition and elemental content to commercial products. The compressive strength of the cementitious material incorporating 7<!-- --> <!-- -->wt% roasted residue is higher than that of the initial sample (4.05 → 4.55<!-- --> <!-- -->MPa). These results ensure the technical feasibility of SCC and OSR co-treatment from the aspects of environmental risk elimination and all components utilization. The proposed co-treatment strategy provides a new technical path for the synergistic detoxification and cross-industry utilization of multi-source carbonaceous wastes.","PeriodicalId":361,"journal":{"name":"Journal of Hazardous Materials","volume":"30 1","pages":""},"PeriodicalIF":13.6,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143713580","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impacts of different plastic residues on soil volatile profiles associated with microbiome dynamics","authors":"Yancui Liang, Yuping Cao, Jiani Xing, I-Yun Tsai, Chenhao Zhao, Liwen Zhang, Zeshen Xiao, Avishay Levy, Yoav Eichen, Yigal Achmon","doi":"10.1016/j.jhazmat.2025.138051","DOIUrl":"https://doi.org/10.1016/j.jhazmat.2025.138051","url":null,"abstract":"Plastic pollution poses a significant threat to soil ecosystems, yet the role of volatile organic compounds (VOCs) in plastic degradation is not well-studied. The present research focuses on the impact of polyethylene (PE), polylactic acid (PLA), and poly(butylene-adipate-co-terephthalate) (PBAT) residues on soil in a 12-week long lab-scale aerobic experiment. The study focused on the dynamics of VOC profiles, soil physicochemical properties, and microbial communities. PBAT, known for its biodegradability, produced a distinct VOC profile with hazardous compounds such as 1,3-butadiene, which is consistently associated with cardiovascular diseases and leukemia. Microbial analysis of PBAT revealed distinct bacterial and fungal diversity responses, along with unique KEGG pathway profiles compared to PE and PLA, suggesting its biodegradation process may involve biofilm formation and quorum sensing. Correlation analysis based on the relevant abundance of specific microbes exhibited strong positive correlations, such as <em>Streptomyces</em> with propyne emission and <em>Hydrogenispora</em> with ethylene emission. These results demonstrated distinct biodegradation patterns of various plastics in soil, identified through the combination of VOC detection and microbiome analysis.","PeriodicalId":361,"journal":{"name":"Journal of Hazardous Materials","volume":"57 1","pages":""},"PeriodicalIF":13.6,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143713742","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mitigating Chromate Toxicity Through Concurrent Denitrification in the H2-Based Membrane Biofilm Reactor","authors":"Min Long, Chenwei Zheng, Chen Zhou, Bruce E. Rittmann","doi":"10.1016/j.jhazmat.2025.138073","DOIUrl":"https://doi.org/10.1016/j.jhazmat.2025.138073","url":null,"abstract":"High concentrations of hexavalent chromium (Cr(VI)) in industrial wastewaters pose significant environmental and health hazards. Biotranformation is a viable means to lower Cr(VI) toxicity, but research to date has focused on wastewaters with low concentrations (e.g., 2-5<!-- --> <!-- -->mg/L Cr(VI)). This study evaluated the dynamics of biosorption and biotransformation of higher-concentration Cr(VI) by biofilms in the H₂-based membrane biofilm reactor (MBfR). While the biofilm in an MBfR receiving Cr(VI) alone had limited capacity to remove Cr(VI) and Cr(VI) removal ceased in 30 days, an autotrophic denitrifying biofilms achieved 99% reduction of over 20<!-- --> <!-- -->mg/L Cr(VI) to less-toxic trivalent chromium (Cr(III)) in continuous long-term operation system over 4 months. Increasing the H₂ pressure from 3<!-- --> <!-- -->psig to 10<!-- --> <!-- -->psig improved Cr(VI) removal from 87% to 99%, which occurred in parallel with over 95% NO₃^- reduction to N₂. Metagenomic analyses revealed the mechanisms of Cr(VI) bioreduction and highlighted the beneficial role of nitrate (NO₃^-) as the primary electron acceptor. For example, nitrite reductase <em>NrfA</em> could reduce Cr(VI), which lowered Cr(VI) stress and oxidative stress. This research demonstrates the MBfR’s effectiveness in reducing elevated levels of Cr(VI) and provides mechanistic understanding of the roles of denitrification in accelerating Cr(VI) reduction and detoxification.","PeriodicalId":361,"journal":{"name":"Journal of Hazardous Materials","volume":"18 1","pages":""},"PeriodicalIF":13.6,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143713744","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bioelectrochemistry promotes microbial activity and accelerates wastewater methanogenesis in anaerobic digestion under combined exposure to antibiotics and microplastics","authors":"Hui Wang, Qixing Zhou","doi":"10.1016/j.jhazmat.2025.138053","DOIUrl":"https://doi.org/10.1016/j.jhazmat.2025.138053","url":null,"abstract":"Antibiotics and microplastics (MPs), as pervasive environmental pollutants, coexist in wastewater and pose significant threats to public health. Bioelectrochemical systems (BES), which integrate microbial metabolism and electrochemical redox reactions, exhibit considerable potential for treating recalcitrant pollutants and recovering bioenergy from wastewater. This study represents the first comprehensive investigation into the application of BES for treating wastewater contaminated with multiple antibiotics and MPs, focusing on the synergistic effects of composite pollutants rather than isolated toxicological impacts. Compared to conventional anaerobic digestion, BES demonstrated enhanced wastewater treatment efficiency (14.39%) and methane recovery (14.32%). Under pollutant exposure and electrical stimulation, significant alterations in microbial cell viability and enzyme activities were observed. While pollutants reduced microbial species abundance, BES increased microbial diversity. The microbial community was predominantly composed of methanogens (<em>Methanothrix</em>), whereas fermentative bacteria (<em>Proteiniphilum</em>) dominated the cathode compartment. Although the addition of antibiotics did not significantly alter the overall abundance of antibiotic class and antibiotic resistance genes (ARGs), the cathode exhibited the potential to reduce their abundance. Functional gene abundance related to methane synthesis (EC:6.2.1.1) increased at the anode, while the cathode exacerbated inhibitory effects, primarily mediating acetate generation (EC:1.2.4.1, EC:2.3.1.12). These findings provide novel insights into the application of BES for treating co-contaminated wastewater, highlighting its capacity to mitigate emerging environmental challenges.","PeriodicalId":361,"journal":{"name":"Journal of Hazardous Materials","volume":"99 1","pages":""},"PeriodicalIF":13.6,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143703342","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative Study of Organosilicon and Inorganic Silicon in Reducing Cadmium Accumulation in Wheat: Insights into Rhizosphere Microbial Communities and Molecular Regulation Mechanisms","authors":"Zhiheng Wang, Shuxin Tu, Khurram Shehzad, Jingtao Hou, Shuanglian Xiong, Menghua Cao","doi":"10.1016/j.jhazmat.2025.138061","DOIUrl":"https://doi.org/10.1016/j.jhazmat.2025.138061","url":null,"abstract":"Silicon is widely used as a \"quality element\" and \"stress resistance element\" in crop production and the remediation of heavy metal-contamination soils. Compared to inorganic silicon, organosilicon has unique properties such as amphiphilicity, low surface energy and high biocompatibility. Our previous research has confirmed the effectiveness of organosilicon-modified fertilizers in inhibiting Cadmium (Cd) absorption in wheat. Therefore, it is of great importance to further explore the potential mechanisms and comprehensive benefits of organosilicon. In this study, the microbiological and molecular mechanisms by which organosilicon reduces Cd concentration in wheat compared to inorganic silicon were investigated in depth. The findings indicated that, in comparison with inorganic silicon, organosilicon exhibited a more remarkable efficacy. Specifically, it was more effective in reducing the Cd concentration in wheat grains, achieving a reduction range of 35-39% as opposed to the 23-28% reduction achieved by inorganic silicon. Moreover, it manifested a greater ability to mitigate health risks, with a reduction range of 33-42% compared to the 25-30% reduction of inorganic silicon. Furthermore, organosilicon contributed to a significant increase in wheat yield, with a growth range of 11-14% in contrast to the 8-11% increase from inorganic silicon. Additionally, it enhanced the quality of the grains, substantially improving the protein content and amino acid content. The comparative advantages of organosilicon over inorganic silicon would be firstly due to the reduction of the bioavailability of soil Cd by increasing the available silicon content in the soil and improving the soil microbial ecology (increasing the abundance of <em>Bacillus</em>, <em>Pseudomonas</em>, <em>Massilia</em> and <em>Talaromyces</em> and reducing the enrichment of <em>Fusarium</em>). Secondly, organosilicon achieved vacuolar compartmentalization of Cd by upregulating the expression of the ABC transporter gene (<em>TaABCB7</em>), thereby alleviating Cd toxicity and restricting Cd transport from leaves to grains. Meanwhile, organosilicon increased the wheat yield by optimizing the availability of soil nutrients and enhancing photosynthesis. These results demonstrate the immense potential of organosilicon in mitigating heavy metal contamination in crops.","PeriodicalId":361,"journal":{"name":"Journal of Hazardous Materials","volume":"35 1","pages":""},"PeriodicalIF":13.6,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143703205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Deciphering the inhibitory mechanisms of polystyrene microplastics on thermophilic methanogens from the insights of microbial metabolite profiling and metagenomic analyses","authors":"Xuejiao Qiao, Xin Kong, Honglin Zhou, Xiaojun Fan, Jin Yuan, Yifeng Zhang","doi":"10.1016/j.jhazmat.2025.138054","DOIUrl":"https://doi.org/10.1016/j.jhazmat.2025.138054","url":null,"abstract":"Due to the utilization of food packaging bags, a substantial amount of polystyrene microplastics (PS MPs) are introduced into the food waste (FW) treatment system during the pre-treatment process, potentially impacting the subsequent biochemical treatment system. In order to investigate the mechanism by which PS MPs affect anaerobic methanogenesis metabolism in thermophilic condition, this study analyzed the characteristics of methanogenesis in thermophilic anaerobic digestion (AD) of FW under different concentrations of PS MPs (100 μm, 10-200<!-- --> <!-- -->mg/L). The results revealed a negative correlation between PS MPs concentration and methane (CH₄) yield from FW. When the concentration of PS MPs reached 200<!-- --> <!-- -->mg/L, CH₄ yield decreased by 47.8%. Further mechanistic investigations revealed that while the presence of PS MPs at lower concentrations could alleviate its adverse impact on methanogenesis by enhancing EPS content, the accumulation of reactive oxygen species (ROS) persisted with increasing PS MPs concentration, thereby inhibiting the activities of key enzymes involved in solubilization and acidification metabolisms (e.g., acetate kinase and F420). Metagenomics analysis indicated that the presence of PS MPs down-regulate abundance of genes for quorum sensing and CH₄ metabolism pathways. These findings not only unveil potential detrimental effects of PS MPs on AD systems but also provide novel insights into comprehending and controlling the impact of MPs pollution on environmental preservation and energy recovery processes.","PeriodicalId":361,"journal":{"name":"Journal of Hazardous Materials","volume":"29 1","pages":""},"PeriodicalIF":13.6,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143703254","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessment of nicotine and degradation products in cigarette butts leachates after detoxification by white rot fungi","authors":"María del Pilar Núñez, Elsa Gabriela Lopez Loveira, Sofía Eugenia Domínguez, Laura Mariel Calfayan, Raúl Fabio Itria, Matías Butler","doi":"10.1016/j.jhazmat.2025.138059","DOIUrl":"https://doi.org/10.1016/j.jhazmat.2025.138059","url":null,"abstract":"Cigarette butts (CBs) are widespread hazardous waste contaminating the environment due to the recalcitrance of the filter and the toxicity of the contaminants leached. This paper evaluated through analysis of contaminants and toxicity bioassays on <em>Raphanus sativus</em> seeds, the ability of four fungal strains of white rot fungi to treat cigarette butts, including 2 native strains of <em>Trametes</em> sp. (strains BAFC 4765 and BAFC 4767), one of <em>Irpex lacteus</em> (strain BAFC 4766) and one commercial strain of <em>Pleurotus ostreatus</em> (strain BAFC 2034). Each strain was grown in a medium of water-soaked CBs in axenic conditions at Erlenmeyer-scale during six weeks, analyzing leachate samples periodically by HPLC-MSⁿ. Temporal evolution of nicotine as well as the transformations of tobacco alkaloids and other contaminants generated by the different fungal treatments were characterized. Nicotine was degraded significantly by the end of the treatments although variations were found among the fungal strains, proposing a degradation mechanism based on the 12 tobacco alkaloid transformation products identified. Leachates from CBs showed a total inhibition of germination on <em>Raphanus sativus</em> seeds whereas those obtained after 6 weeks of treatment displayed a significant decrease of phytotoxicity (7-20% inhibition of germination) exhibiting sublethal effects. The results obtained in this work support the development of CBs fungal treatment for waste detoxification on a larger scale.","PeriodicalId":361,"journal":{"name":"Journal of Hazardous Materials","volume":"35 1","pages":""},"PeriodicalIF":13.6,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143695788","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}