Process Safety and Environmental Protection最新文献

{"title":"Novel three-dimensional interpenetrating network boron-doped diamond anodes for rapid degradation of refractory organic pollutant","authors":"Wanlin Yang ,&nbsp;Xu Lin ,&nbsp;Yuan Liao ,&nbsp;Dongtao Lei ,&nbsp;Menglin Zhang ,&nbsp;Jian Wang ,&nbsp;Weifeng Yang ,&nbsp;Bing Wang ,&nbsp;Ying Xiong","doi":"10.1016/j.psep.2025.107636","DOIUrl":"10.1016/j.psep.2025.107636","url":null,"abstract":"<div><div>Boron-doped diamond (BDD) serves as an ideal anode material for the electrochemical oxidation treatment of refractory organic pollutants. Nonetheless, conventional flat BDD faces challenge due to limited electroactive surface area and slow electron/mass transfer, thereby impeding to meet the demands for high efficiency and low electricity consumption. In this work, two novel BDD anodes with controllable three-dimensional interpenetrating network are fabricated using multi-layer Ti woven/stretched mesh as substrate frameworks, which exhibit hierarchical porous structure that allow water flow through. The electroactive surface areas of TWM/BDD (Ti woven mesh-based BDD) and TSM/BDD (Ti stretched mesh-based BDD) showcase remarkable enhancement, being 13.9 and 12.5 times greater than that of TP/BDD (Ti plate-based BDD). Their electron transfer resistances are drastically reduced to 6 % and 15 % of TP/BDD, while mass transfer coefficients are 3.8 and 1.8 times higher. Both TWM/BDD and TSM/BDD present superior Rhodamine B (RhB) removal, with pseudo-first-order reaction rate constants being 4.9 and 3.7 times that of TP/BDD, respectively, and electricity consumptions at 5 V being just 25 % and 35 % of TP/BDD. Besides, the effects of process parameters (e.g., applied voltage, stirrer speed, pH, electrolyte) on RhB degradation are also systematically investigated. OH-based indirect oxidation is the primary mechanism for RhB degradation. RhB is gradually degraded through a sequential transformation process such as deethylation, deamination, conjugated chromophore cracking, ring opening and mineralization. This work provides a new perspective on the performance-based design optimization of three-dimensional BDD electrode structures.</div></div>","PeriodicalId":20743,"journal":{"name":"Process Safety and Environmental Protection","volume":"201 ","pages":"Article 107636"},"PeriodicalIF":6.9,"publicationDate":"2025-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144702890","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Regulation of coagulant dosage in water treatment based on explainable integrated time-series deep learning models","authors":"Wangben Zhao ,&nbsp;Yuling Liu ,&nbsp;Ren Shuang ,&nbsp;Wang Lu ,&nbsp;Shuaishuai Li ,&nbsp;Chenxu Zhao ,&nbsp;Chuanchuan Dou ,&nbsp;Hao Shu","doi":"10.1016/j.psep.2025.107613","DOIUrl":"10.1016/j.psep.2025.107613","url":null,"abstract":"<div><div>Accurate coagulant dosing is critical for water treatment quality and cost-effectiveness. This study addresses the complexity of raw water data using SG smoothing, and temporal redundancy by proposing an integrated CNN-BiLSTM-mhA model with NPDOA optimization for dosage regulation. Model interpretability is enhanced via SHAP. Universality is confirmed using measured data from Xi’an and Shanghai, and performance is evaluated by comparing with baseline models. Results show that SG smoothing significantly improved model performance, with R² increasing from 0.160 to 0.632 in the Xi’an validation set and from 0.484 to 0.950 in the Shanghai validation set, indicating a substantial reduction in data complexity. The proposed framework achieved R² values of 0.985 in Xi’an and Shanghai validation set, outperforming BiLSTM-mhA, BiLSTM, LSTM, and BP networks. SHAP analysis confirms its ability to capture the nonlinear relationship between coagulant dosage and turbidity. Case analysis shows that the Xi’an plant requires an 11.01 % dosage increase to achieve 1 NTU sedimentation tank effluent turbidity from the sedimentation tank, while the Shanghai plant, where sedimentation tank effluent turbidity is already below 1 NTU, can reduce dosage by 7.44 %. These results demonstrate the model’s potential for optimizing coagulant dosing in drinking water treatment.</div></div>","PeriodicalId":20743,"journal":{"name":"Process Safety and Environmental Protection","volume":"201 ","pages":"Article 107613"},"PeriodicalIF":6.9,"publicationDate":"2025-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144702891","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Selective lithium recovery from spent batteries: Transforming LiNixCoyMnzO2 and LiF into soluble Li2CO3 and Li2SO4","authors":"Zhigen Cun ,&nbsp;Peng Xing ,&nbsp;Chenye Wang ,&nbsp;Huiquan Li ,&nbsp;Zhenhua Sun","doi":"10.1016/j.psep.2025.107633","DOIUrl":"10.1016/j.psep.2025.107633","url":null,"abstract":"<div><div>The efficient recovery of lithium from spent lithium-ion batteries is critical in the sustainable energy landscape. Traditional extraction methods, which target lithium subsequent to the recovery of transition metals like manganese (Mn) and cobalt (Co), often yield suboptimal lithium recovery efficiency, averaging only around 85 %. Lithium in the black mass predominantly exists as LiNi_xCo_yMn_zO₂ (cathode material) and LiF (decomposition product of the electrolyte LiPF₆). These compounds are generally insoluble, which poses a challenge to the selective and efficient extraction of lithium via water leaching. This study introduces a novel regulatory approach that transforms lithium from its insoluble forms into soluble lithium salts. This transformation leads to an increase in lithium recovery efficiency by approximately 10 %. We employed a self-reduction roasting technique devoid of chemical additives, leveraging the inherent graphite to facilitate the phase transition of lithium from insoluble LiNi_xCo_yMn_zO₂ to soluble Li₂CO₃. Furthermore, the integration of La₂(SO₄)₃ in the leaching process adeptly overcame the recovery challenges posed by insoluble LiF, culminating in an impressive comprehensive lithium recovery efficiency of 99.1 %, optimized using the response surface methodology. The recovery process also features a commendable recovery efficiency of 99.2 % for the La₂(SO₄)₃ used in the assisted leaching. The mechanisms underpinning the efficient phase conversion during both self-reduction roasting and La₂(SO₄)₃ assisted leaching was elucidated via experimental characterization and theoretical calculation. This study offered valuable insights for the advancement of lithium recovery technologies.</div></div>","PeriodicalId":20743,"journal":{"name":"Process Safety and Environmental Protection","volume":"201 ","pages":"Article 107633"},"PeriodicalIF":6.9,"publicationDate":"2025-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144702892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Investigating heat transfer mechanisms in thermal runaway propagation: A battery-smoke decoupling approach","authors":"Mengqi Zhang ,&nbsp;Wensheng Huang ,&nbsp;Peiben Wang ,&nbsp;Jingru Huang ,&nbsp;Fangshu Zhang ,&nbsp;Fachao Jiang ,&nbsp;Chengshan Xu ,&nbsp;Xuning Feng ,&nbsp;Minggao Ouyang","doi":"10.1016/j.psep.2025.107623","DOIUrl":"10.1016/j.psep.2025.107623","url":null,"abstract":"<div><div>Lithium-ion batteries are susceptible to thermal runaway under extreme conditions, resulting in high-temperature smoke and rapid energy release that can drive system-level propagation events. While prior research has identified inter-battery heat transfer as a major contributor to propagation, the role of battery-ejected smoke in mediating heat exchange—forming a composite ‘battery–smoke–battery’ transfer pathway in confined settings—remains poorly understood. Here, we introduce a ‘battery–smoke decoupling’ experimental approach to investigate the mechanisms underlying thermal runaway propagation. By isolating battery-to-smoke heat transfer in a confined two-battery system, we quantitatively dissect the dynamic interplay among conductive, convective, and radiative heat transfer modes. Energy flow analysis reveals that direct conductive transfer between batteries accounts for 80.5 % of total energy transport, underlining its primary role, while the presence of smoke reduces propagation time by 44.9 % through its heat retention effect. Experimentally, thermal runaway propagated within 203.7 s in a fully enclosed system, compared with 369.9 s in the decoupled case. This decoupling-based energy flow framework establishes a robust foundation for quantitative prediction and preventative design of thermal runaway propagation in lithium-ion battery systems.</div></div>","PeriodicalId":20743,"journal":{"name":"Process Safety and Environmental Protection","volume":"201 ","pages":"Article 107623"},"PeriodicalIF":6.9,"publicationDate":"2025-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144695449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Incorporation of polyethylene glycol diacrylate into Pebax-2533/ZIF-67 mixed matrix membranes: Tailoring the filler/polymer interface and enhancing CO2 separation performance","authors":"Mohammad Salehi Maleh ,&nbsp;Ehsan Yaghmaei ,&nbsp;Ahmadreza Raisi","doi":"10.1016/j.psep.2025.107600","DOIUrl":"10.1016/j.psep.2025.107600","url":null,"abstract":"<div><div>Mixed-matrix membranes (MMMs) integrating CO₂-philic polymers and selective fillers have emerged as promising candidates for efficient CO₂/CH₄ and CO₂/N₂ separation, offering key advantages, including high CO₂ permeability, robust thermochemical stability, cost-effectiveness, and scalable fabrication. In this study, a novel ternary MMM was developed by incorporating polyethylene glycol diacrylate (PEGDA) into the Pebax-2533 matrix embedded with ZIF-67 nanoparticles, aiming to optimize filler-polymer compatibility and enhance CO₂ separation performance. The effect of ZIF-67 (0–16 wt%) and PEGDA (10–50 wt%) loadings on CO₂ separation were systematically examined at 3 bar and 25°C. The optimized ternary membrane, containing 30 wt% PEGDA and 8 wt% ZIF-67, demonstrated improved mechanical properties and exceptional separation performance, achieving a CO₂ permeability of 101.3 Barrer (17.6 GPU) and ideal selectivities of 61.1 (CO₂/CH₄) and 110.7 (CO₂/N₂). These values represent enhancements of 54.4 % in CO₂ permeability, 432 % in CO₂/CH₄ selectivity, and 335 % in CO₂/N₂ selectivity compared to the pristine Pebax membrane. Notably, this membrane surpassed 2019 Robeson’s upper bound for CO₂/N₂ separation and 2008 Robeson’s upper bound for CO₂/CH₄ separation, underscoring its potential for flue gas separation and biogas upgrading applications.</div></div>","PeriodicalId":20743,"journal":{"name":"Process Safety and Environmental Protection","volume":"201 ","pages":"Article 107600"},"PeriodicalIF":6.9,"publicationDate":"2025-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144686504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Heavy metal impact on enzyme activities in freshwater aquaculture sediments: Insights into ecological health and bioindicators","authors":"Xun Zhang ,&nbsp;Xianbin Zhu ,&nbsp;Yufeng Ren ,&nbsp;Tianrui Li ,&nbsp;Kaixin Song ,&nbsp;Huaming Yao ,&nbsp;Hongzhong Pan","doi":"10.1016/j.psep.2025.107637","DOIUrl":"10.1016/j.psep.2025.107637","url":null,"abstract":"<div><div>Aquaculture sediments are important sinks for heavy metals (HMs), with implications for microbial activity and ecological health. This study investigated the concentrations, ecological risks, and biochemical impacts of HMs in fish pond sediments (FPS) and shrimp field sediment (SFS) from the Jianghan Plain, China. The sediments exhibited contrasting textures, with FPS dominated by sandy loam (80 %) and SFS by silty loam (67 %). Eight heavy metals, As, Cd, Ba, Co, Cr, Cu, Ni and Pb, were quantified, with Cd presenting the most severe contamination. Cd concentrations averaged 1.8 mg⋅kg^⁻1 in FPS and 3.8 mg⋅kg^⁻1 in SFS, exceeding the Chinese regulatory threshold (0.5 mg⋅kg^⁻1) by 3.6- and 7.6-fold, respectively. Pollution load index (PLI) values indicated moderate contamination across all samples (PLI_type(FPS) = 1.725; PLI_type(SFS) = 1.723), whereas potential ecological risk index (PER) assessments revealed severe risk in FPS (mean PER=434) and extremely high risk in SFS (mean PER=885), with Cd alone contributing over 90 % of the total risk. Variance partitioning analysis (VPA) attributed 76.9 % of the variation in enzymatic activities to heavy metals, compared to 13.0 % from physicochemical parameters. Redundancy analysis (RDA) and the partial Mantel test pointed out that Cd, Cu, and Ba were identified as the primary inhibitors of sediment enzyme activities, with urease and neutral phosphatase most strongly affected by Cd, and cellulase and sucrase suppressed by Ba and Cu. Multiple linear regression modeling identified urease activity as a robust ecological indicator, showing a strong predictive relationship with HM pollution (adjusted R² = 0.916, <em>P</em> &lt; 0.001). These findings underscore the dominant role of Cd in driving ecological risk and enzymatic disruption in aquaculture sediments and support the use of urease as a sensitive biomarker for sediment quality monitoring in freshwater aquaculture systems.</div></div>","PeriodicalId":20743,"journal":{"name":"Process Safety and Environmental Protection","volume":"201 ","pages":"Article 107637"},"PeriodicalIF":6.9,"publicationDate":"2025-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144695450","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Control of NOx emission using ozone oxidation combined with wet scrubbing method in semiconductor manufacturing","authors":"Ming-Chun Lu ,&nbsp;Thi-Cuc Le ,&nbsp;Hsueh-Hsing Lu ,&nbsp;Chuen-Jinn Tsai","doi":"10.1016/j.psep.2025.107634","DOIUrl":"10.1016/j.psep.2025.107634","url":null,"abstract":"<div><div>The emission of NOx is a significant pollution issue in semiconductor manufacturing, particularly in burn-wet and plasma-wet local scrubbers (LSCs). Pre-oxidation combined with wet scrubbing offers a practical and effective solution for controlling NOx emissions from these LSCs, especially when dealing with room-temperature exhaust gases. This study aimed to develop an ozone pre-oxidation unit to facilitate NO oxidation in the exhaust gas from the LSCs, followed by the subsequent removal of the oxidized NO₂ through wet scrubbing in terminal central scrubbers in semiconductor fabs. The developed device includes an O₃ generator, an oxidation chamber, and an O₃ destructor, making it suitable for semiconductor manufacturing applications. Both laboratory and field experiments demonstrated that the O₃ pre-oxidation unit effectively oxidized NO to NO₂ with a conversion efficiency of ∼100 % when the O₃/NO molar ratio was higher than 1.0. The strong agreement between experimental data and theoretical predictions confirmed that the oxidation process followed well-established reaction pathways between O₃ and NO. Further NO₂ oxidation, which required excess O₃, was not recommended due to high operation cost. The wet scrubbing process effectively removed NO₂ with laboratory tests showing removal efficiencies exceeding 80 %, validating the method’s reliability for NO₂ abatement. Long-term field tests further showed that the NOx removal efficiency approached 100 % during continuous operation for 24 h under actual exhaust conditions at the oxidation stage with an O₃/NO molar ratio of approximately 1.0. NO₂ was removed effectively due to its reactions with water vapor and other pollutants in the humid and chemically complex exhaust stream, forming acid gases such as HNO₂ and HNO₃ and NO₃^- species in the particulate phase. Finally, the outlet O₃ concentration after destruction was approximately 0.01 ppm, ensuring compliance with safety and environmental standards in semiconductor manufacturing. These findings highlight the practical applicability of the O₃ pre-oxidation unit for exhaust gas treatment in semiconductor manufacturing, offering a highly efficient and viable solution for NOx control under various operating conditions.</div></div>","PeriodicalId":20743,"journal":{"name":"Process Safety and Environmental Protection","volume":"201 ","pages":"Article 107634"},"PeriodicalIF":6.9,"publicationDate":"2025-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144702975","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Optimization and improvement of Lee model and its application in large-scale constrained space of premixed methane/air deflagration dynamics analysis","authors":"Bin Hao ,&nbsp;Zihao Xiu ,&nbsp;Zhenyi Liu","doi":"10.1016/j.psep.2025.107603","DOIUrl":"10.1016/j.psep.2025.107603","url":null,"abstract":"<div><div>Gas explosions, with their immense destructive force, pose a significant threat to public safety and property. Consequently, the accurate prediction of overpressure evolution in the realm of gas explosion safety is of paramount importance. Presently, forecasting the peak overpressure predominantly depends on empirical formulas and numerical simulation techniques. However, predictions from empirical formulas tend to be overly simplistic and lack precision, while numerical simulations are both cumbersome and computationally demanding. To address these challenges, this study introduces enhancements to the Lee model, focusing on the flame front of premixed methane/air in large-scale and weakly constrained space by employing an ovoidal assumption. The model innovatively transforms temperature parameters into pressure parameters, thereby more effectively integrating the otherwise intractable temperature parameters into the formula for turbulent flame speeds, which adaptation enhances the feasibility of calculating flame combustion speeds. The model also introduces a novel criterion that couples the mass of unburned premixed gas with the venting coefficient, while also incorporating the initial ignition radius to resolve the model’s iteration divergence issue. The computational outcomes demonstrate that the refined model more accurately replicates experimental data, thereby significantly enhancing the predictive accuracy of the original model. It is also noted that when the weakly constrained venting pressure is held constant, the venting coefficient of large-scale weakly constrained spaces is exponentially related to the maximum deflagration pressure and the maximum rate of pressure rise. Additionally, the conditions for the occurrence of secondary peak pressure still require further research. This research offers a more efficient and precise methodology for forecasting the overpressure evolution in gas explosions.</div></div>","PeriodicalId":20743,"journal":{"name":"Process Safety and Environmental Protection","volume":"201 ","pages":"Article 107603"},"PeriodicalIF":6.9,"publicationDate":"2025-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144713302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Study on combustion process and boundary condition optimization of ammonia/biodiesel dual-fuel engine","authors":"Wanchen Sun ,&nbsp;Xiaonan Wang ,&nbsp;Liang Guo ,&nbsp;Hao Zhang ,&nbsp;Genan Zhu ,&nbsp;Mengqi Jiang ,&nbsp;Changyu You ,&nbsp;Xiaoyu Ma ,&nbsp;Qiuhan Ling","doi":"10.1016/j.psep.2025.107605","DOIUrl":"10.1016/j.psep.2025.107605","url":null,"abstract":"<div><div>The use of various highly reactive fuels to ignite ammonia can effectively improve the combustion efficiency of ammonia-fuel engines. Biodiesel can be used as a highly reactive pilot fuel in compression ignition ammonia-fuel engines due to its similar physicochemical characteristics to fossil diesel. In this study, the differences in combustion characteristics, pollutant emission, and flame development history between ammonia/biodiesel combustion mode (ABCM) and ammonia/diesel combustion mode at high ammonia ratios are thoroughly investigated, and optimization of ABCM is carried out by exhaust gas recirculation (EGR) combined with injection timing. The results show that as for pilot fuel, biodiesel reduces NO_X, CO, and particulate emissions while improving indicated thermal efficiency (ITE) at more than 50 % ammonia ratio, compared with diesel, for its larger viscosity and oxygenated characteristics. In addition, the EGR introduction in the ammonia/biodiesel dual-fuel engine (ABDE) is favorable to reducing NO_X emissions. However, at large EGR rates, the suppression effect of the EGR introduction on the NO_X emissions diminishes, and EGR also leads to a significant increase in carbon-based pollutant emissions. On the whole, the reduction of pollutant emissions is more effective at the 10 % EGR rate. The optimization of EGR combined with biodiesel injection timing can decrease NO_X emissions while increasing ITE in the ABDE. If a larger EGR rate is used for the ABDE, the injection advance angle should be increased to ensure that the ITE is not decreased, while the injection timing should be appropriately delayed for lower NO_X emissions.</div></div>","PeriodicalId":20743,"journal":{"name":"Process Safety and Environmental Protection","volume":"201 ","pages":"Article 107605"},"PeriodicalIF":6.9,"publicationDate":"2025-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144695451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Study on dual-modal full-range continuous detection method of fused dust concentration sensor","authors":"Bingyou Jiang ,&nbsp;Yifan Wang ,&nbsp;Jie Wang ,&nbsp;Jie Wu ,&nbsp;Yasi Qin ,&nbsp;Yang Zhao","doi":"10.1016/j.psep.2025.107551","DOIUrl":"10.1016/j.psep.2025.107551","url":null,"abstract":"<div><div>Precise and efficient dust concentration monitoring is a fundamental requirement for ensuring mine safety and preventing occupational hazards. This study proposes a dual-mode full-range dust concentration detection technology that fuses light scattering and charge induction methods. By investigating the detection mechanisms of both light scattering and charge induction, the key influencing factors of the detection technology were identified. A Kalman filtering algorithm was employed to integrate heterogeneous data from the two detection techniques into a unified framework, enabling accurate dual-mode detection of dust concentrations ranging from 0 to 1000 mg/m³ . The results show that: A lateral 90° detection angle was identified as optimal (signal-to-noise ratio: 17.35); The dimensions of the annular sensing electrode were optimized (R = 25 mm, L = 50 mm, d = 2 mm); The centralized Kalman filtering fusion strategy achieved a detection error of only 1.206 %, with a 74.9 % reduction in variance; The integrated sensor exhibited a maximum measurement error of 10.8 % and maintained a fluctuation rate below 10 %, overcoming the limitations of single-principle detection methods. This study provides an engineering solution for high-precision dust monitoring in mining environments.</div></div>","PeriodicalId":20743,"journal":{"name":"Process Safety and Environmental Protection","volume":"202 ","pages":"Article 107551"},"PeriodicalIF":7.8,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144722639","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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}