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Hu S, Zhou L, Wang J, Mawia AM, Hui S, Xu B, Jiao G, Sheng Z, Shao G, Wei X, Wang L, Xie L, Zhao F, Tang S, Hu P. Production of grains with ultra-low heavy metal accumulation by pyramiding novel Alleles of OsNramp5 and OsLsi2 in two-line hybrid rice. PLANT BIOTECHNOLOGY JOURNAL 2024. [PMID: 38898780 DOI: 10.1111/pbi.14414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 04/29/2024] [Accepted: 05/31/2024] [Indexed: 06/21/2024]
Abstract
Ensuring rice yield and grain safety quality are vital for human health. In this study, we developed two-line hybrid rice (TLHR) with ultra-low grain cadmium (Cd) and arsenic (As) accumulation by pyramiding novel alleles of OsNramp5 and OsLsi2. We first generated low Cd accumulation restorer (R) lines by editing OsNramp5, OsLCD, and OsLCT in japonica and indica. After confirming that OsNramp5 was most efficient in reducing Cd, we edited this gene in C815S, a genic male sterile line (GMSL), and screened it for alleles with low Cd accumulation. Next, we generated R and GMSL lines with low As accumulation by editing OsLsi2 in a series of YK17 and C815S lines. When cultivated in soils that were heavily polluted with Cd and As, the edited R, GMSL, and TLHR plants showed significantly reduced heavy metal accumulation, while maintaining a relatively stable yield potential. This study provides an effective scheme for the safe production of grains in As- and/or Cd-polluted paddy fields.
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Affiliation(s)
- Shikai Hu
- State Key Laboratory of Rice Biology Breeding, China National Rice Research Institute, Hangzhou, People's Republic of China
| | - Liang Zhou
- State Key Laboratory of Rice Biology Breeding, China National Rice Research Institute, Hangzhou, People's Republic of China
| | - Jingxin Wang
- State Key Laboratory of Rice Biology Breeding, China National Rice Research Institute, Hangzhou, People's Republic of China
| | - Amos Musyoki Mawia
- State Key Laboratory of Rice Biology Breeding, China National Rice Research Institute, Hangzhou, People's Republic of China
| | - Suozhen Hui
- State Key Laboratory of Rice Biology Breeding, China National Rice Research Institute, Hangzhou, People's Republic of China
| | - Bo Xu
- State Key Laboratory of Rice Biology Breeding, China National Rice Research Institute, Hangzhou, People's Republic of China
| | - Guiai Jiao
- State Key Laboratory of Rice Biology Breeding, China National Rice Research Institute, Hangzhou, People's Republic of China
| | - Zhonghua Sheng
- State Key Laboratory of Rice Biology Breeding, China National Rice Research Institute, Hangzhou, People's Republic of China
| | - Gaoneng Shao
- State Key Laboratory of Rice Biology Breeding, China National Rice Research Institute, Hangzhou, People's Republic of China
| | - Xiangjin Wei
- State Key Laboratory of Rice Biology Breeding, China National Rice Research Institute, Hangzhou, People's Republic of China
| | - Ling Wang
- State Key Laboratory of Rice Biology Breeding, China National Rice Research Institute, Hangzhou, People's Republic of China
| | - Lihong Xie
- State Key Laboratory of Rice Biology Breeding, China National Rice Research Institute, Hangzhou, People's Republic of China
| | - Fengli Zhao
- State Key Laboratory of Rice Biology Breeding, China National Rice Research Institute, Hangzhou, People's Republic of China
| | - Shaoqing Tang
- State Key Laboratory of Rice Biology Breeding, China National Rice Research Institute, Hangzhou, People's Republic of China
| | - Peisong Hu
- State Key Laboratory of Rice Biology Breeding, China National Rice Research Institute, Hangzhou, People's Republic of China
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2
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Fu L, Deng J, Lao DR, Zhang C, Xue W, Deng Y, Luo X. Effects of Foliar Spraying of Dicarboxylicdimethylammonium Chloride on Cadmium and Arsenic Accumulation in Rice Grains. TOXICS 2024; 12:418. [PMID: 38922098 PMCID: PMC11209034 DOI: 10.3390/toxics12060418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Revised: 06/03/2024] [Accepted: 06/06/2024] [Indexed: 06/27/2024]
Abstract
A field experiment with double cropping rice was carried out to study the foliar application effects of dicarboxylicdimethylammonium chloride (DDAC) on cadmium (Cd) and arsenic (As) accumulation in rice grains. The results showed that the spraying of DDAC could significantly reduce the accumulation of Cd and As in rice grains. The highest reductions in Cd and As content were observed when 1.5 mmol L-1 DDAC was sprayed, with 49.1% and 27.4% reductions in Cd and As content in early rice grains and 56.5% and 28.1% reductions in Cd and As content in late rice grains, respectively. In addition, the content of calcium (Ca) in rice grains increased significantly after DDAC foliar application, which was also conducive to the synthesis of amino acids such as glutamate (Glu), glycine (Gly) and cysteine (Cys) in rice grains. The results indicated that the foliar spraying of DDAC can inhibit the absorption, transport, accumulation and toxicity of Cd and As in rice grains by increasing amino acid synthesis and regulating the absorption and transport of essential elements.
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Affiliation(s)
- Lin Fu
- Key Laboratory of Original Agro-Environmental Pollution Prevention and Control, Ministry of Agriculture and Rural Affairs, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China; (L.F.); (J.D.); (D.R.L.); (X.L.)
| | - Jiawei Deng
- Key Laboratory of Original Agro-Environmental Pollution Prevention and Control, Ministry of Agriculture and Rural Affairs, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China; (L.F.); (J.D.); (D.R.L.); (X.L.)
| | - Dayliana Ruiz Lao
- Key Laboratory of Original Agro-Environmental Pollution Prevention and Control, Ministry of Agriculture and Rural Affairs, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China; (L.F.); (J.D.); (D.R.L.); (X.L.)
| | - Changbo Zhang
- Key Laboratory of Original Agro-Environmental Pollution Prevention and Control, Ministry of Agriculture and Rural Affairs, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China; (L.F.); (J.D.); (D.R.L.); (X.L.)
| | - Weijie Xue
- Key Laboratory of Original Agro-Environmental Pollution Prevention and Control, Ministry of Agriculture and Rural Affairs, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China; (L.F.); (J.D.); (D.R.L.); (X.L.)
| | - Yun Deng
- School of Environment and Ecology, Jiangnan University, Wuxi 214122, China;
| | - Xin Luo
- Key Laboratory of Original Agro-Environmental Pollution Prevention and Control, Ministry of Agriculture and Rural Affairs, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China; (L.F.); (J.D.); (D.R.L.); (X.L.)
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3
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Zeng P, Liu J, Zhou H, Wang Y, Ni L, Liao Y, Gu J, Liao B, Li Q. Long-term effects of compound passivator coupled with silicon fertilizer on the reduction of cadmium and arsenic accumulation in rice and health risk evaluation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 922:171245. [PMID: 38408656 DOI: 10.1016/j.scitotenv.2024.171245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 02/22/2024] [Accepted: 02/22/2024] [Indexed: 02/28/2024]
Abstract
Cadmium (Cd) and arsenic (As) are precedence-controlled contaminants in paddy soils, that can easily accumulate in rice grains. Limestone and sepiolite (LS) compound passivator can obviously reduce Cd uptake in rice, whereas Si fertilizer can effectively decrease rice As uptake. Here, the synergistic effects of the LS compound passivator coupled with Si fertilizer (LSCS) on the soil pH and availability of Si, Cd, and As, as well as rice grain Cd and As accumulation and its health risk were studied based on a 3-year consecutive field experiment. The results showed that the LSCS performed the best in terms of synchronously decreasing soil Cd and As availability and rice Cd and As uptake. In the LSCS treatments, soil pH gradually decreased with the rice-planting season, while soil available Cd and As contents gradually increased, suggesting that the influence of LSCS on Cd and As availability gradually weakened with rice cultivation. Nonetheless, the contents of Cd and inorganic As (i-As) in rice grains treated with LSCS were slightly affected by cultivation but were significantly lower than the single treatments of LS compound passivator or Si fertilizer. According to the Cd and As limit standards in food (GB2762-2022), the Cd and i-As content in rice grains can be lowered below the standard by using the 4500 kg/hm2 LS compound passivator coupled with 90 kg/hm2 Si fertilizer in soil and spraying 0.4 g/L Si fertilizer on rice leaves for at least three years. Furthermore, health risk evaluation revealed that LSCS treatments significantly reduced the estimated daily intake, annual excess lifetime cancer risk, and hazard quotient of Cd and i-As in rice grains. These findings suggest that LSCS could be a viable approach for reducing Cd and As accumulation in rice grains and lowering the potential health risks associated with rice.
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Affiliation(s)
- Peng Zeng
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China; Hunan Engineering and Technology Research Center for Soil Pollution Remediation and Carbon Sequestration, Changsha 410004, China.
| | - Jiawei Liu
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China
| | - Hang Zhou
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China; Hunan Engineering and Technology Research Center for Soil Pollution Remediation and Carbon Sequestration, Changsha 410004, China.
| | - Yun Wang
- College of Life and Environmental Science, Hunan University of Arts and Science, Changde 415000, China
| | - Li Ni
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China
| | - Ye Liao
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China
| | - Jiaofeng Gu
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China; Hunan Engineering and Technology Research Center for Soil Pollution Remediation and Carbon Sequestration, Changsha 410004, China; Hunan Research Institute for Nonferrous Metals Co., Ltd., Changsha 410100, China
| | - Bohan Liao
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China; Hunan Engineering and Technology Research Center for Soil Pollution Remediation and Carbon Sequestration, Changsha 410004, China
| | - Qian Li
- Hunan Research Institute for Nonferrous Metals Co., Ltd., Changsha 410100, China
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4
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Lin Q, Hamid Y, Wang H, Lu M, Cao X, Zou T, Chen Z, Hussain B, Feng Y, Li T, He Z, Yang X. Co-foliar application of zinc and nano-silicon to rice helps in reducing cadmium exposure risk: Investigations through in-vitro digestion with human cell line bioavailability assay. JOURNAL OF HAZARDOUS MATERIALS 2024; 468:133822. [PMID: 38387179 DOI: 10.1016/j.jhazmat.2024.133822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 02/06/2024] [Accepted: 02/15/2024] [Indexed: 02/24/2024]
Abstract
Foliar application of zinc (Zn) or silicon nanoparticles (Si-NPs) may exert regulatory effects on cadmium (Cd) accumulation in rice grains, however, their impact on Cd bioavailability during human rice consumption remains elusive. This study comprehensively investigated the application of Zn with or without Si-NPs in reducing Cd accumulation in rice grains as well to exactly evaluate the potential risk of Cd exposure resulting from the rice consumption by employing field experiment as well laboratory bioaccessibility and bioavailability assay. Sole Zn (ZnSO4) or in combination with Si (ZnSO4 +Si and ZnO+Si) efficiently lowered the Cd concentration in rice grains. However, the impact of bioaccessible (0.1215-0.1623 mg kg-1) and bioavailable Cd (0.0245-0.0393 mg kg-1) during simulated human rice consumption depicted inconsistent trend. The straw HCl-extractable fraction of Cd (FHCl-Cd) exhibited a significant correlation with total, bioaccessible, and bioavailable Cd in grains, indicating the critical role of FHCl-Cd in Cd accumulation and translocation from grains to human. Additionally, foliar spraying of Zn+Si raised the nutritional value of rice grains, leading to increased protein content and reduced phytic acid concentration. Overall, this study demonstrates the potential of foliar application of ZnSO4 +Si in mitigating the Cd levels in rice grains and associated health risks upon consumption.
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Affiliation(s)
- Qiang Lin
- Ministry of Education (MOE) Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resources Science, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Yasir Hamid
- Ministry of Education (MOE) Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resources Science, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Honhang Wang
- Agricultural Technology Extension Center of Quzhou Agriculture and Rural Affairs Bureau, Quzhou 324002, People's Republic of China
| | - Min Lu
- Tea Research Institute, Shandong Academy of Agricultural Sciences, Jinan 250100, People's Republic of China
| | - Xuerui Cao
- Zhejiang Institute of Landscape Plants and Flowers, Hangzhou 311251, People's Republic of China
| | - Tong Zou
- Ministry of Education (MOE) Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resources Science, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Zhiqin Chen
- Ministry of Education (MOE) Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resources Science, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Bilal Hussain
- Ministry of Education (MOE) Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resources Science, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Ying Feng
- Ministry of Education (MOE) Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resources Science, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Tingqiang Li
- Ministry of Education (MOE) Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resources Science, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Zhenli He
- Indian River Research and Education Center, Institute of Food and Agricultural Sciences, University of Florida, Fort Pierce, FL 34945, USA
| | - Xiaoe Yang
- Ministry of Education (MOE) Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resources Science, Zhejiang University, Hangzhou 310058, People's Republic of China.
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5
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Huang F, Li Z, Yang X, Liu H, Chen L, Chang N, He H, Zeng Y, Qiu T, Fang L. Silicon reduces toxicity and accumulation of arsenic and cadmium in cereal crops: A meta-analysis, mechanism, and perspective study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 918:170663. [PMID: 38311087 DOI: 10.1016/j.scitotenv.2024.170663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 01/20/2024] [Accepted: 02/01/2024] [Indexed: 02/06/2024]
Abstract
Arsenic (As) and cadmium (Cd) are two toxic metal(loid)s that pose significant risks to food security and human health. Silicon (Si) has attracted substantial attention because of its positive effects on alleviating the toxicity and accumulation of As and Cd in crops. However, our current knowledge of the comprehensive effects and detailed mechanisms of Si amendment is limited. In this study, a global meta-analysis of 248 original articles with over 7000 paired observations was conducted to evaluate Si-mediated effects on growth and As and Cd accumulation in rice (Oryza sativa L.), wheat (Triticum aestivum L.), and maize (Zea mays L.). Si application increases the biomass of these crops under As and/or Cd contamination. Si amendment also decreased shoot As and Cd accumulation by 24.1 % (20.6 to 27.5 %) and 31.9 % (29.0 to 31.9 %), respectively. Furthermore, the Si amendment reduced the human health risks posed by As (2.6 %) and Cd (12.9 %) in crop grains. Si-induced inhibition of Cd accumulation is associated with decreased Cd bioavailability and the downregulation of gene expression. The regulation of gene expression by Si addition was the driving factor limiting shoot As accumulation. Overall, our analysis demonstrated that Si amendment has great potential to reduce the toxicity and accumulation of As and/or Cd in crops, providing a scientific basis for promoting food safety globally.
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Affiliation(s)
- Fengyu Huang
- Key Laboratory of Green Utilization of Critical Non-metallic Mineral Resources, Ministry of Education, Wuhan University of Technology, Wuhan 430070, China; College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Zimin Li
- State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, Shaanxi 710061, China
| | - Xing Yang
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, College of Ecology and Environment, Hainan University, Renmin Road, Haikou 570228, China
| | - Hongjie Liu
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Li Chen
- Key Laboratory of Green Utilization of Critical Non-metallic Mineral Resources, Ministry of Education, Wuhan University of Technology, Wuhan 430070, China; College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China.
| | - Nan Chang
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Haoran He
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yi Zeng
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Tianyi Qiu
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Linchuan Fang
- Key Laboratory of Green Utilization of Critical Non-metallic Mineral Resources, Ministry of Education, Wuhan University of Technology, Wuhan 430070, China; College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China.
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6
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Wang H, Liu M, Zhang Y, Jiang Q, Wang Q, Gu Y, Song X, Li Y, Ye Y, Wang F, Chen X, Wang Z. Foliar spraying of Zn/Si affects Cd accumulation in paddy grains by regulating the remobilization and transport of Cd in vegetative organs. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 207:108351. [PMID: 38217926 DOI: 10.1016/j.plaphy.2024.108351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 01/07/2024] [Indexed: 01/15/2024]
Abstract
The reduction of cadmium (Cd) accumulation in rice grains through biofortification of essential nutrients like zinc (Zn) and silicon (Si) is an area of study that has gained significant attention. However, there is limited understanding of the mechanism of Zn/Si interaction on Cd accumulation and remobilization in rice plants. This work used a pot experiment to examine the effects of Zn and Si applied singly or in combination on the physiological metabolism of Cd in different rice organs under Cd stress. The results revealed that: Zn/Si application led to a significant decrease in root Cd concentration and reduce the value of Tf Soil-Root in filling stage. The content of phytochelatin (PCs, particularly PC2) and glutathione (GSH) in roots, top and basal nodes were increased with Zn/Si treatment application. Furthermore, Zn/Si treatment promoted the distribution of Cd in cell wall during Cd stress. These findings suggest that Zn/Si application facilitates the compartmentalization of Cd within subcellular structures and enhances PCs production in vegetative organs, thereby reducing Cd remobilization. Zn/Si treatment upregulated the metabolism of amino acid components involved in osmotic regulation, secondary metabolite synthesis, and plant chelating peptide synthesis in vegetative organs. Additionally, it significantly decreased the accumulation of Cd in globulin, albumin, and glutelin, resulting in an average reduction of 50.87% in Cd concentration in milled rice. These results indicate that Zn/Si nutrition plays a crucial role in mitigating heavy metal stress and improving the nutritional quality of rice by regulating protein composition and coordinating amino acid metabolism balance.
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Affiliation(s)
- Huicong Wang
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an, 223003, PR China
| | - Mingsong Liu
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an, 223003, PR China
| | - Ying Zhang
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an, 223003, PR China
| | - Qin Jiang
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an, 223003, PR China
| | - Qingping Wang
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an, 223003, PR China
| | - Yuqin Gu
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an, 223003, PR China
| | - Xinping Song
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an, 223003, PR China
| | - Yang Li
- College of Agronomy, Nanjing Agricultural University, Nanjing, 210095, PR China
| | - Yuxiu Ye
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an, 223003, PR China; Jiangsu Provincial Agricultural Green and Low Carbon Production Technology Engineering Research Center, PR China
| | - Feibing Wang
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an, 223003, PR China; Jiangsu Provincial Agricultural Green and Low Carbon Production Technology Engineering Research Center, PR China
| | - Xinhong Chen
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an, 223003, PR China; Jiangsu Provincial Agricultural Green and Low Carbon Production Technology Engineering Research Center, PR China
| | - Zunxin Wang
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an, 223003, PR China; Jiangsu Provincial Agricultural Green and Low Carbon Production Technology Engineering Research Center, PR China.
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7
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Xu Y, Hong H, Lin X, Tong T, Zhang J, He H, Yang L, Mao G, Hao R, Deng P, Yu Z, Pi H, Cheng Y, Zhou Z. Chronic cadmium exposure induces Parkinson-like syndrome by eliciting sphingolipid disturbance and neuroinflammation in the midbrain of C57BL/6J mice. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 337:122606. [PMID: 37742865 DOI: 10.1016/j.envpol.2023.122606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/18/2023] [Accepted: 09/21/2023] [Indexed: 09/26/2023]
Abstract
Cadmium (Cd) is known as a widespread environmental neurotoxic pollutant. Cd exposure is recently recognized as an etiological factor of Parkinson's disease (PD) in humans. However, the mechanism underlying Cd neurotoxicity in relation to Parkinsonism pathogenesis is unclear. In our present study, C57BL/6 J mice were exposed to 100 mg/L CdCl2 in drinking water for 8 weeks. It was found Cd exposure caused motor deficits, decreased DA neurons and induced neuropathological changes in the midbrain. Non-targeted lipidomic analysis uncovered that Cd exposure altered lipid profile, increased the content of proinflammatory sphingolipid ceramides (Cer), sphingomyelin (SM) and ganglioside (GM3) in the midbrain. In consistency with increased proinflammatory lipids, the mRNA levels of genes encoding sphingolipids biosynthesis in the midbrain were dysregulated by Cd exposure. Neuroinflammation in the midbrain was evinced by the up-regulation of proinflammatory cytokines at mRNA and protein levels. Blood Cd contents and lipid metabolites in Parkinsonism patients by ICP-MS and LC-MS/MS analyses demonstrated that elevated blood Cd concentration and proinflammatory lipid metabolites were positively associated with the score of Unified Parkinson's Disease Rating Scale (UPDRS). 3 ceramide metabolites in the blood showed good specificity as the candidate biomarkers to predict and monitor Parkinsonism and Cd neurotoxicity (AUC>0.7, p < 0.01). In summary, our present study uncovered that perturbed sphingomyelin lipid metabolism is related to the Parkinsonism pathogenesis and Cd neurotoxicity, partially compensated for the deficiency in particular metabolic biomarkers for Parkinsonism in relation to Cd exposure, and emphasized the necessity of reducing Cd exposure at population level.
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Affiliation(s)
- Yudong Xu
- Department of Environmental Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Huihui Hong
- Center for Neurointelligence, School of Medicine, Chongqing University, Chongqing, China
| | - Xiqin Lin
- Department of Environmental Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Tong Tong
- Department of Environmental Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Jingjing Zhang
- Department of Environmental Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Haotian He
- Department of Environmental Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Lingling Yang
- Department of Occupational Health, Third Military Medical University, Chongqing, China
| | - Gaofeng Mao
- Neurology Department, General Hospital of Center Theater Command, Wuhan, China
| | - Rongrong Hao
- Department of Occupational Health, Third Military Medical University, Chongqing, China
| | - Ping Deng
- Department of Occupational Health, Third Military Medical University, Chongqing, China
| | - Zhengping Yu
- Department of Occupational Health, Third Military Medical University, Chongqing, China
| | - Huifeng Pi
- Department of Occupational Health, Third Military Medical University, Chongqing, China
| | - Yong Cheng
- Neurology Department, General Hospital of Center Theater Command, Wuhan, China
| | - Zhou Zhou
- Department of Environmental Medicine, Zhejiang University School of Medicine, Hangzhou, China; Center for Neurointelligence, School of Medicine, Chongqing University, Chongqing, China.
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8
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Li N, Yang L, Chen K, Kang Y, Cao Y, Du H, Mou H, Sun H, Ao T, Chen W. Selenium improves the medicinal safety and quality of Bletilla striata by promoting the fixation of cadmium in root: Pot and field experiments. JOURNAL OF HAZARDOUS MATERIALS 2023; 459:132275. [PMID: 37579717 DOI: 10.1016/j.jhazmat.2023.132275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 08/02/2023] [Accepted: 08/10/2023] [Indexed: 08/16/2023]
Abstract
Soil cadmium (Cd) pollution poses a considerable threat to the safe production of traditional Chinese medicine (TCM) in China. The tubers of Bletilla striata, a precious TCM, are widely used to treat various ailments. However, the medicinal safety and quality of tubers are significantly affected by high Cd accumulation. While selenium (Se) is known to reduce Cd concentration in traditional crops, its impact on Cd content in medicinal parts and overall quality remains underexplored. To bridge the gap, a pot experiment and field validation were conducted to determine the effectiveness of foliar Se application. The results revealed that Se effectively counteracted Cd damage. Compared to Cd treatment alone, Se at 1.5 mg L-1 significantly decreased Cd content by 46.33 %, increased the biomass by 21.48 %, and raised the total phenolic, flavonoid, saponin, and polysaccharide contents by 46.31 %, 30.46 %, 27.08 %, and 29.01 %, respectively, in tubers. Furthermore, this study explored the mechanism of Se action. Se facilitated Cd accumulation in root cell walls and soluble fractions, enhanced the synthesis of phytochelatins (PC), and stored them in the form of PC-Cd complexes. These findings have profound implications for the cultivation of TCM, ensuring its safety, and promoting sustainable agricultural practices.
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Affiliation(s)
- Na Li
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Li Yang
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China; Key Laboratory of the Evaluation and Monitoring of Southwest Land Resources (Ministry of Education), Sichuan Normal University, Chengdu 610068, China
| | - Kuiwei Chen
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Yuchen Kang
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Yuan Cao
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Hengwei Du
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China; Institute for Disaster Management and Reconstruction, Sichuan University-The Hong Kong Polytechnic University, Chengdu 610065, China; State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610065, China; Key Laboratory of the Evaluation and Monitoring of Southwest Land Resources (Ministry of Education), Sichuan Normal University, Chengdu 610068, China
| | - Haiyan Mou
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China; Institute for Disaster Management and Reconstruction, Sichuan University-The Hong Kong Polytechnic University, Chengdu 610065, China.
| | - Hui Sun
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Tianqi Ao
- State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610065, China
| | - Wenqing Chen
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China; State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610065, China.
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Huang X, Fan C, Xie D, Chen H, Zhang S, Chen H, Qin S, Fu T, He T, Gao Z. Synergistic Effects of Water Management and Silicon Foliar Spraying on the Uptake and Transport Efficiency of Cadmium in Rice ( Oryza sativa L.). PLANTS (BASEL, SWITZERLAND) 2023; 12:1414. [PMID: 36987102 PMCID: PMC10053962 DOI: 10.3390/plants12061414] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/13/2023] [Accepted: 03/21/2023] [Indexed: 06/19/2023]
Abstract
To study the synergistic effects of water management and silicon (Si) foliar spraying on the uptake and transport of cadmium (Cd) in rice, we designed four treatments: conventional intermittent flooding + no Si foliar spraying (CK), continuous flooding throughout the growth stage + no Si foliar spraying (W), conventional intermittent flooding + Si foliar spraying (Si) and continuous flooding throughout the growth stage + Si foliar spraying (WSi). The results show that WSi treatment reduced the uptake and translocation of Cd by rice and significantly reduced the brown rice Cd content, with no effect on rice yield. Compared with CK, the Si treatment increased the net photosynthetic rate (Pn), stomatal conductance (Gs) and transpiration rate (Tr) of rice by 6.5-9.4%, 10.0-16.6% and 2.1-16.8%, respectively. The W treatment decreased these parameters by 20.5-27.9%, 8.6-26.8% and 13.3-23.3%, respectively, and the WSi treatment decreased them by 13.1-21.2%, 3.7-22.3% and 2.2-13.7%, respectively. The superoxide dismutase (SOD) and peroxidase (POD) activity decreased by 6.7-20.6% and 6.5-9.5%, respectively, following the W treatment. Following the Si treatment, SOD and POD activity increased by 10.2-41.1% and 9.3-25.1%, respectively, and following the WSi treatment, they increased by 6.5-18.1% and 2.6-22.4%, respectively. Si foliar spraying ameliorated the detrimental effects of continuous flooding throughout the growth stage on photosynthesis and antioxidant enzyme activity. We conclude that synergistic continuous flooding throughout the growth stage, combined with Si foliar spraying, can significantly block Cd uptake and translocation and is therefore an effective means of reducing the accumulation of Cd in brown rice.
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Affiliation(s)
- Xiaoyun Huang
- College of Agriculture, Guizhou University, Guiyang 550025, China
- Institute of New Rural Development, Guizhou University, Guiyang 550025, China
| | - Chengwu Fan
- Guizhou Institute of Soil and Fertilizer, Guizhou Academy of Agricutural Science, Guiyang 550025, China
| | - Dongyi Xie
- College of Agriculture, Guizhou University, Guiyang 550025, China
- Institute of New Rural Development, Guizhou University, Guiyang 550025, China
| | - Hongxing Chen
- College of Agriculture, Guizhou University, Guiyang 550025, China
- Institute of New Rural Development, Guizhou University, Guiyang 550025, China
| | - Song Zhang
- College of Agriculture, Guizhou University, Guiyang 550025, China
- Institute of New Rural Development, Guizhou University, Guiyang 550025, China
| | - Hui Chen
- College of Agriculture, Guizhou University, Guiyang 550025, China
- Institute of New Rural Development, Guizhou University, Guiyang 550025, China
| | - Song Qin
- Guizhou Institute of Soil and Fertilizer, Guizhou Academy of Agricutural Science, Guiyang 550025, China
| | - Tianling Fu
- Institute of New Rural Development, Guizhou University, Guiyang 550025, China
| | - Tengbing He
- College of Agriculture, Guizhou University, Guiyang 550025, China
- Institute of New Rural Development, Guizhou University, Guiyang 550025, China
| | - Zhenran Gao
- College of Agriculture, Guizhou University, Guiyang 550025, China
- Institute of New Rural Development, Guizhou University, Guiyang 550025, China
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10
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Zeng P, Zhou H, Deng P, Gu J, Liao B. Effects of topdressing silicon fertilizer at key stages on uptake and accumulation of arsenic in rice. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:31309-31319. [PMID: 36445527 DOI: 10.1007/s11356-022-24365-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 11/17/2022] [Indexed: 06/16/2023]
Abstract
The booting stage and filling stage have been considered as the key stages for arsenic (As) uptake in rice. In this study, a field study was conducted to investigate the influence of the topdressing different amounts of silicon (Si) fertilizer at the key stages on rice As uptake and accumulation. The results showed that topdressing of a low amount of Si fertilizer at the booting stage and filling stage could increase rice yield, promote the formation of iron plaque and the retention of As on iron plaque, and reduce inorganic As content in brown rice. Compared with the control, the rice grain yield was increased by 22.60% with the topdressing of 20 kg·hm-2 Si fertilizer at the grain filling stage. As compared with the control, the Fe and As content in iron plaque under the topdressing of 20 kg·hm-2 Si fertilizer at the booting stage and filling stage was significantly (p < 0.05) increased by 84.34% and 87.78% (Fe content) and 70.96% and 63.80% (As content), respectively. Meanwhile, contents of As in rice roots, stems, and husks at the topdressing of 20 kg·hm-2 Si fertilizer at the booting stage were significantly (p < 0.05) reduced by 45.10%, 33.34%, and 31.23%, respectively, relative to the control. The lowest inorganic As content (0.21 mg·kg-1) in brown rice was obtained at the topdressing of 20 kg·hm-2 Si fertilizer at the booting stage, which was close to the National Food Limit Standard of 0.20 mg·kg-1 (GB 2762-2017). Therefore, topdressing of 20 kg·hm-2 Si fertilizer at the booting stage might be considered as an effective method to reduce inorganic As content in brown rice.
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Affiliation(s)
- Peng Zeng
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China
- Hunan Engineering Laboratory for Control of Rice Quality and Safety, Central South University of Forestry and Technology, Changsha, 410004, China
| | - Hang Zhou
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China.
- Hunan Engineering Laboratory for Control of Rice Quality and Safety, Central South University of Forestry and Technology, Changsha, 410004, China.
| | - Penghui Deng
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China
| | - Jiaofeng Gu
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China
- Hunan Engineering Laboratory for Control of Rice Quality and Safety, Central South University of Forestry and Technology, Changsha, 410004, China
| | - Bohan Liao
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China
- Hunan Engineering Laboratory for Control of Rice Quality and Safety, Central South University of Forestry and Technology, Changsha, 410004, China
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11
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Zeng P, Liu J, Zhou H, Wei B, Gu J, Liao Y, Liao B, Luo X. Co-application of combined amendment (limestone and sepiolite) and Si fertilizer reduces rice Cd uptake and transport through Cd immobilization and Si-Cd antagonism. CHEMOSPHERE 2023; 316:137859. [PMID: 36649896 DOI: 10.1016/j.chemosphere.2023.137859] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 01/02/2023] [Accepted: 01/11/2023] [Indexed: 06/17/2023]
Abstract
Limestone and sepiolite combined amendment (LS) and silicon (Si) fertilizers are commonly applied for the remediation of Cd-polluted paddy soil. However, it is difficult to further decrease cadmium (Cd) accumulation in rice grains by the individual application of LS or Si fertilizer to heavily Cd-polluted paddy fields. Two seasons of continuous field experiments were conducted in heavily Cd-polluted soil to study how the co-application of LS and Si fertilizer (namely soil-applied Si and foliar-sprayed Si) influences Cd and Si bioavailability in soil and Cd uptake and transport in rice. The results indicated that LS co-applied with soil-applied Si fertilizer treatments can enhance pH, cation exchange capacity (CEC), and available Si content in soil by 0.56-1.26 units, 19.3%-57.2%, and 14.7%-58.9% (p < 0.05), respectively, and reduce the toxicity characteristic leaching procedure (TCLP) extractable Cd content in soil by 26.5%-49.8% (p < 0.05) relative to the control. Furthermore, the co-application of LS and soil and foliar-sprayed Si fertilizer treatments reduced the Cd content in brown rice by 18.8%-70.6% (p < 0.05) compared with the control. Particularly, the brown rice Cd content under the co-application treatment (4500 kg/ha of soil applied LS, 90 kg/ha of Si fertilizer, and 0.4 g/L of foliar-sprayed Si fertilizer) was below 0.20 mg/kg in both seasons. Meanwhile, the Si content in rice was considerably enhanced by LS co-applied with Si fertilizer and negatively (p < 0.05) correlated with the rice Cd content. Therefore, the reduction of Cd bioavailability in soil and the antagonistic effect between Cd and Si in rice might be the key factors regulating Cd accumulation in rice via the co-application of LS and Si fertilizer.
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Affiliation(s)
- Peng Zeng
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China; Hunan Engineering Laboratory for Control of Rice Quality and Safety, Changsha, 410004, China.
| | - Jiawei Liu
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China
| | - Hang Zhou
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China; Hunan Engineering Laboratory for Control of Rice Quality and Safety, Changsha, 410004, China.
| | - Binyun Wei
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China
| | - Jiaofeng Gu
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China; Hunan Engineering Laboratory for Control of Rice Quality and Safety, Changsha, 410004, China
| | - Ye Liao
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China; Hunan Engineering Laboratory for Control of Rice Quality and Safety, Changsha, 410004, China
| | - Bohan Liao
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China; Hunan Engineering Laboratory for Control of Rice Quality and Safety, Changsha, 410004, China.
| | - Xufeng Luo
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China
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Cui H, Tang S, Huang S, Lei L, Jiang Z, Li L, Wei S. Simultaneous mitigation of arsenic and cadmium accumulation in rice grains by foliar inhibitor with ZIF-8@Ge-132. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 860:160307. [PMID: 36403824 DOI: 10.1016/j.scitotenv.2022.160307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 11/09/2022] [Accepted: 11/15/2022] [Indexed: 06/16/2023]
Abstract
Simultaneous mitigation of Arsenic (As) and Cadmium (Cd) in rice grains is hardly achieved with conventional soil treatments due to their opposite chemical behaviors in paddy soils. This study evaluates the effectiveness of a novel foliar inhibitor with germanium (Ge) -modified zeolitic imidazolate framework (ZIF-8@Ge-132) in cooperative mitigation of As and Cd in rice grains in a As and Cd co-contaminated paddy field, and the effecting mechanisms are elucidated by a series of advanced techniques. The results showed that the grains inorganic As and Cd was remarkably decreased by 45 % and 66 % by the foliar spay of ZIF-8@Ge-132, respectively. ZIF-8@Ge-132 also reduced the As and Cd contents in rice tissues, except for Cd in leaves, where Cd content increased by 148 %. The image-based measurement of plant phenotypic traits and the elements of image analysis using Laser Ablation-ICP-MS (LA-ICP-MS) and Laser Scanning Confocal Microscopy (LSCM) revealed that the possible mechanisms for the reduction of As and Cd in rice grains were as follows: (i) the thickening of the xylem in roots significantly retarded As and Cd absorption by rice plants. (ii) co-accumulation of Ge and Cd in the leaf vascular system likely contributed to the high Cd retention in rice leaves. (iii) antagonistic effects of Zn suppressed the uptake and transport of As in roots/leaves, resulting a lower As accumulation in rice grains.
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Affiliation(s)
- Hao Cui
- College of Resources and Environment, Department of Environment Science and Engineering, Southwest University, Chongqing 400715, PR China; Key Laboratory of Testing and Tracing of Rare Earth Products for State Market Regulation, Jiangxi University of Science and Technology, Ganzhou 341000, PR China
| | - Shuting Tang
- College of Resources and Environment, Department of Environment Science and Engineering, Southwest University, Chongqing 400715, PR China
| | - Shiqi Huang
- College of Resources and Environment, Department of Environment Science and Engineering, Southwest University, Chongqing 400715, PR China
| | - Lidan Lei
- Chongqing Key Laboratory of Karst Environment, School of Geographical Sciences, Southwest University, Chongqing 400715, PR China
| | - Zhenmao Jiang
- College of Resources and Environment, Department of Environment Science and Engineering, Southwest University, Chongqing 400715, PR China
| | - Lei Li
- College of Resources and Environment, Department of Environment Science and Engineering, Southwest University, Chongqing 400715, PR China
| | - Shiqiang Wei
- College of Resources and Environment, Department of Environment Science and Engineering, Southwest University, Chongqing 400715, PR China.
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13
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Yang W, Cao X, Zhang Q, Ma R, Fang L, Liu S. Coupled microwave hydrothermal dechlorination and geopolymer preparation for the solidification/stabilization of heavy metals and chlorine in municipal solid waste incineration fly ash. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 853:158563. [PMID: 36087669 DOI: 10.1016/j.scitotenv.2022.158563] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/15/2022] [Accepted: 09/02/2022] [Indexed: 06/15/2023]
Abstract
To improve the degradation efficiency of persistent organic pollutants (POPs) in municipal solid waste incineration fly ash (MSWIFA), as well as to overcome the difficulties of subsequent hydrothermal liquid and hydrothermal slag treatment, a two-step treatment strategy of microwave hydrothermal degradation coupled with geopolymer immobilization was proposed. Results showed that the optimal process parameters for microwave hydrothermal dechlorination were a temperature of 220 °C, a time of 1 h, and NaOH addition of 10 wt%. Microwaves accelerated the OH- mediated hydrolysis reactions and promoted the breaking of CCl bonds, leading to dechlorination. The compressive strength of the 20 % MSWIFA-based geopolymers reached 75.79 MPa, and the immobilization rate of the heavy metals (HMs) and Cl- surpassed 90 %. Alkaline environment provided by microwave hydrothermal promoted the formation of Ca(OH)2, which subsequently formed Friedel's salt (3CaO•Al2O3•CaCl2•10H2O) with Cl- in the geopolymer. The charge density difference and density of states (DOS) of Friedel's salt were analyzed by first-principles calculations, confirming that the existence of strong interactions between Ca-s, Al-p, O-p, and Cl-p states was the chemical mechanism of Cl- immobilization. The Friedel's salt and HMs were encapsulated by geopolymers with dense silica-alumina tetrahedral frameworks, achieving the solidification/stabilization (S/S) of HMs and Cl-. This work provided a new approach for the environmentally sound and resourceful treatment of MSWIFA.
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Affiliation(s)
- Weichen Yang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Xing Cao
- Shenzhen Engineering Lab of Flexible Transparent Conductive Films, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Qiushi Zhang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Rui Ma
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China.
| | - Lin Fang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Shiwei Liu
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
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