This study assessed the removal efficiencies of gases and particulate matter under various conditions using a synthetic gas flow rate of 20 m³ /hr, aiming to optimize the electron beam-electrostatic spray hybrid process. When treated with an electron beam, the particulate matter, having particle sizes smaller than 1 μm, comprised oxidized nitrogen and sulfur compounds. The removal efficiency increased

The structural composition of dissolved organic matter (DOM) under various sources differed significantly, affecting the geochemical behaviors of heavy metals in aquatic ecosystems. Here, three typical overlying-water samples were gathered respectively from Danjinlicaohe River across rural (RUR), town (TOR) and urban (URR) regions to unveil complexation between Cu(II) and DOM fractions using fluorescence

Hexavalent chromium-contaminated soil poses significant treatment challenges. In this study, hexavalent chromium-contaminated soil was solidified using microwave sintering with Fe3O4 assistance. Fe3O4 was added to the contaminated soil to increase its sintering efficiency. Additionally, the calcination time may be lowered by 18.6 % when the amount of Fe3O4 reaches 10 %. Comparison of sintering techniques

Coal spontaneous combustion and methane explosions persist as major hazards in longwall mining, posing serious threats to worker safety and operational continuity. However, most existing studies rely on static numerical models with fixed methane explosive thresholds, often overlooking the complex, dynamic nature of goaf development and evolving gas concentrations during longwall face retreat. To address

This study experimentally investigates the thermal runaway (TR) behavior and the flammability characteristics of vent gases released from large-capacity lithium-ion batteries at varying states of charge (SOC). A 280Ah commercial prismatic cell with LiFePO4 cathodes is induced into TR through external heating in a sealed chamber. Vent gases are periodically sampled and analyzed using gas chromatography

Humic acid (HA), a widely prevalent natural organic matter in aquatic environments, poses serious health risks due to its potential to form carcinogenic by-products during water treatment. While the photo-Fenton process can be employed for HA degradation, its effectiveness is often hindered by the poor catalytic performance of conventional catalysts. In this study, Co3O4 was modified with nitrogen-doped

With the rapid development of the hydrogen energy industry on a global scale, the safety risks posed by hydrogen leaks or accumulations cannot be ignored. Therefore, the development of new hydrogen deflagration inhibitors can provide more comprehensive and reliable safety guarantees for chemical production. In this paper, a novel kind of efficient composite dry powder is prepared by compounding aluminum

The study explored the toxicity of urban stormwater sourced from different land uses on Chinese hamster ovary (CHO) cells. By investigating the effects of stormwater from residential, commercial, highway, and grassland roads on CHO cells, the research highlights the significant impact of land use on stormwater toxicity. The results demonstrate that residential road stormwater, which is likely to contain

While the LiFePO4-LiCoxNiyMn1-x-yO2 (LFP-NCM) hybrid battery pack has the potential to leverage the unique advantages of both types of batteries, current life cycle assessments fail to resolve the multi-dimensional trade-offs between carbon reduction, resource security, and spatiotemporal heterogeneity in hybrid battery pack production. In this study, the carbon footprint and other environmental impacts

In order to assess the feasibility of utilizing zero-carbon ammonia in agricultural power units for carbon emission mitigation, this study systematically investigates the impacts of ammonia energy fraction (AEF) on the combustion stability, nitrogen-based, carbon-based and equivalent greenhouse gas (EGHG) emissions of ammonia-diesel dual-fuel (ADDF) engine under varying load conditions. The results

Compared with traditional MOFs, oxidized cobalt-based MOFs exhibit excellent PMS activation performance. However, achieving high catalytic activity under mild synthesis conditions remains challenging. This study introduces “partially oxidized MOFs” and demonstrates their unique role in PMS activation, addressing a gap where most previous work focused on fully oxidized MOFs. The results reveal that

Improving the performance of heat transformer systems is critical for achieving sustainable seawater desalination. This study proposes two new modified configurations of a double absorption heat transformer for enhancing the quality of moderate waste heat to generate sustainable distilled water. At first, the performances of cycles are investigated and compared based on the first and second principles

Natural gas pipeline control valves are widely used in industrial and civil fields. However, in actual operation, due to factors such as wear, tiny sealing defects may occur between the valve core and the valve seat, leading to natural gas leakage. The complex application environment makes the vibration signal often affected by noise and background factors, which reduces the signal quality and thus

The operational characteristics and quantification of greenhouse gas (GHG) emissions from temporary wastewater treatment plants (TWWTPs) serving extra-long tunnel (ELT) projects in ecologically sensitive regions remain poorly characterised. Through systematic analysis of daily operational records, this study evaluates GHG emissions from ELT-associated TWWTPs operating under varying effluent compliance

Arbuscular mycorrhizal fungi (AMF) symbiosis has shown promise in enhancing constructed wetlands (CWs) treatment capabilities, though its influence on pesticide behavior and microbial interactions needs further examination. This study explores AMF's impact on S-metolachlor behavior within CWs, focusing on how AMF colonization affects organic carbon content, metabolite transformation, and microbial

An efficient and ecofriendly purification of simulated contaminants from cotton substrate was investigated by employing carbon capsules which were defined as a system formed in-situ with SCF-CO2 and surfactants to wrap and transfer working solution. The results show that the simulated contaminants on cotton fabric samples could be efficiently and uniformly removed with a standard deviation lower than

In the context of the 'dual carbon' goals, formulating reasonable environmental regulatory measures is of practical significance for enhancing GTFP and promoting green economic development. This study employs a fixed-effects model to elucidate the relationship between ER and GTFP. The research findings indicate that ER has a positive effect on GTFP. Heterogeneity analysis reveals that ER significantly

Thallium (Tl) is a typical hypertoxic heavy metal, its accumulation in the water environment can have serious impacts on ecosystems and human health. In this study, a composite material (PC@MnO2) was designed for removing Tl(I) by grafting MnO2 onto coal tar residue-based porous carbon (PC) via hydrothermal impregnation. δ-MnO2 with nano flower-like structure was verified to be evenly distributed on

PM2.5 pollution in cold, dry regions demonstrates heightened cumulative effects through dual roles as chemical and microbial carriers. This study investigated PM2.5 and associated microbial aerosols in Harbin (October 2023–March 2024) to track temporal trends and identify biological component drivers. PM2.5 concentrations ranged from 0.020–0.101 mg/m3, with mean concentrations of: heavy metals (699

This study investigates the effects of hybrid nanoparticles and hydrogen (H2) fumigation on diesel engine combustion, performance, and emissions operating on a 50 % algal biodiesel-diesel blend (B50). Two types of hybrid nanoparticles, cerium oxide-titanium dioxide (CeO2-TiO2) and zinc oxide-copper (ZnO-Cu) were included at a concentration of 100 parts per million (ppm). Simultaneously, H2 was added

With the increase in the frequency of extreme rainfall events, the risk of eutrophication in lakes and reservoirs has intensified, so exploring the response mechanisms of phytoplankton under rainfall conditions for eutrophication management is important. In this study, two rainfall events of different intensities, numbered Rainfall I and Rainfall II, were captured by high-frequency monitoring in a

Liquefied natural gas (LNG) terminals are critical hubs for receiving imported LNG, yet domino accidents in storage tank areas pose significant risks to safety and operations. As an important means to mitigate the impact of domino accidents, the reliability assessment of emergency response measures is particularly important. Nevertheless, emergency response is a complex, multi-stage process that is

Effective waste management continues to pose a major challenge for developing countries like India, as the number of open dumpsites and landfills grows rapidly. Landfill mining or biomining offers a promising solution, but the fine soil-like fraction extracted during these operations, which constitutes a large portion of the material, often hinders efficiency due to its complex characteristics. There

Chinese industrial carbon emissions challenge its 2030 carbon peak goal. This study analyzes provincial data (1997–2021) using the Ward systerm clustering method, Tapio decoupling model, and Theil index to assess emission-economic development linkages. Key findings: (1) Industrial emissions surged from 2433.09 Mt (1997) to 9796.47 Mt (2021), with Shandong and Hebei as top emitters; provinces clustered

Desulfurized gypsum, a byproduct of industrial processes, can be efficiently recycled through solid-phase reaction to synthesize CaFe2O4. This study investigates the reaction mechanism of CaFe2O4 formation from CaSO4, Fe2O3, and semi-coke powder using thermodynamic modeling with Factsage 8.3 software. The phase composition and microstructure of the resulting products under varying semi-coke contents

Organophosphorus-based chemical warfare agents (CWAs), known for their high toxicity, can be detoxified through hydrolysis. Due to the dangerous nature of these agents, considerable efforts have been directed toward using quantitative structure-activity relationship (QSAR) models to evaluate their toxicity, hydrolysis, and biodegradation. A new model has been developed to predict the reaction barriers

Copper mine wastewater typically exhibits low pH, high chemical oxygen demand (COD), and elevated concentrations of heavy metals, including copper (Cu), zinc (Zn), cadmium (Cd), and manganese (Mn). Among them, manganese is a particularly challenging processing problem. Traditional methods, such as potassium ferrate oxidation, are often hampered by high operating costs. To solve this problem, an advanced

Fault diagnosis is crucial in enhancing efficiency, control, reliability, and safety of modern industrial processes. In large-scale industrial systems, a fault can propagate through interconnected equipment, leading to an alarm flood and reducing the alarm management systems' performance. Therefore, a data-driven fault diagnosis method can be employed to discover the main reason for alarm floods. This

In order to study the metabolic pathways of nitrogen and organics in biofilm and sludge within completely autotrophic nitrogen removal over nitrite (CANON) systems with the changes in biomass characteristics, three continuous-flow upflow CANON reactors were established using yeast extract and glucose as organic carbon sources. Experimental results showed that the addition of organics inhibited the

The valorization of magnesite tailings has become increasingly crucial in the context of sustainable resource management. This study investigates the synthesis of Mg2B2O5 whiskers derived from magnesite tailings and their subsequent influence on epoxy resin (EP). It evaluates the effects of tailing characteristics, the boron-to-magnesium (B/Mg) ratio, and reaction temperature on the phase composition

Marine debris poses a critical threat to coastal ecosystems, public health, and global tourism. Although various strategies have been proposed to tackle the issue, they are labor-intensive and time-consuming. To address these challenges, this paper introduces a novel drone-based marine debris detection framework based on a state-of-the-art Transformer model designed to capture global context. By training

Horticultural waste (HORW), a representative form of agricultural biomass, holds promise as a carbon-rich feedstock for the production of value-added materials. This study aimed to maximize carbon utilization from HORW into syngas and carbon-based biosolid through thermochemical conversion, contributing to a circular economy. To improve syngas production, CO2 was introduced during the pyrolysis. In

To address the issue of excessive sulfide content in the effluent of acid mine wastewater (AMD) treated by sulfate-reducing bacteria (SRB), a series of experiments were carried out. This study combines sulfide oxidizing bacteria (SOB) with SRB to jointly treat AMD. Comparative analysis was conducted on the effectiveness of systems such as sequencing batch symbiosis, microaerophilic symbiosis, anae

With the development of Internet of Things technology, digital monitoring has been widely used in process production. Sensor nodes generate a large number of time series data reflecting the status and variation trend of equipment and environment in production scenarios. In order to ensure the safety of process production, it is of great research value to carry out accurate and rapid anomaly detection

In-situ leaching of ion-adsorbed rare earth ores (IAREO) is generally considered to have adverse impacts on the mine environment. However, studies on the effects of MgSO4 and (NH4)2SO4 as leaching agents on the surface environment of IAREO are scarce. In this study, MgSO4 and (NH4)2SO4 were selected as leaching agents for extracting rare earth elements (REE) in two IAREO mines, respectively. The collected

The integration of data on environmental microplastic concentrations, in vivo concentrations within organisms, and organism tolerance is poorly known. This study introduces the tolerance value (TV) and in vivo microplastic concentrations as factors to monitor and analyze the bioaccumulation and toxicity of microplastics. The bioaccumulation of microplastics in wild Cipangopaludina chinensis and Semisulcospira

Carbon emissions from fossil fuel exacerbate climate change and intensify global water scarcity. While Floating Photovoltaic (FPV) and Pumped Hydro Energy Storage (PHES) have been explored separately, their integrated potential remains underdeveloped. This study presents a novel hybrid energy system of floating photovoltaic engaged pumped-hydro energy storage (FPV-PHES) system, and provides a comprehensive

Membrane distillation (MD) is a promising technology for desalination and wastewater treatment, but its widespread application is hindered by membrane wetting, particularly when treating hypersaline water with surfactants. This study investigates the performance of Janus polyamide-polyvinylidene fluoride (PA/PVDF) membranes, which are synthesized using reverse interfacial polymerization (RIP) to form

An overview is provided of the features to use certain waste streams from industry and agriculture as phase change materials (PCMs) for thermal energy storage (TES) applications. These PCMs, obtained from agro-industrial processes such as the conversion of fatty acid residues and recycled polyethylene glycol, have good latent heats and appropriate melting temperatures. Based on experimental evaluations

A novel magnetic biobased material, synthesized from nano Fe3O4 and degrading-bacteria, was developed for the effective removal of gatifloxacin (GAT). Investigations into various parameters influencing the adsorption process revealed that the optimal adsorption capacity of 56.63 mg/g for GAT was achieved under mildly acidic conditions. Furthermore, the adsorption capacity of GAT increased with temperature

To promote the sustainable development of reclaimed water utilization, this study focuses on reclaimed water use in Changxing County, Zhejiang Province, China. Based on the United Nations Sustainable Development Goals (SDGs) framework, an evaluation index system for reclaimed water utilization benefits was developed. The Analytic Hierarchy Process (AHP) and Entropy Weight Method (EWM) were used to

This study aims to assess the potential leaching activity of heavy metals from contaminated soil solidified using a combination of industrial wastes (red mud, carbide slag, and phosphogypsum) and cement (RCP). Study on the leachability of solidified high concentration copper (RCP-Cu) and lead (RCP-Pb) contaminated soil under various leaching conditions. The desorption and diffusion behavior of RCP-Pb/Cu

Microplastics (MPs) are emerging contaminants and accumulate in river sediments, which pose great threaten to the self-purification capacity of rivers by affecting the fate of dissolved organic matter (DOM). Although the impact of MPs on sediment DOM has already been confirmed, it remains unclear how differences in MP characteristics affect the chemical properties of DOM. Thus, this study selects 2

Copper, gold, and silver (CGS) are indispensable non-ferrous metals, widely recognized for their critical roles in various industrial and technological applications. However, the environmental repercussions linked to combined CGS production have been insufficiently explored. This research investigates the ecological impacts of integrated CGS production in the context of developing countries, with Pakistan

Nitrate residues pose challenges to the application of the partial nitritation/anammox (PN/A) process in treating ammonium-rich wastewater. This study aimed to develop multilayer packed beds comprising poly-3-hydroxybutyrate-cohyroxyvelate (PHBV) particles and volcanic rocks to facilitate efficient nitrate reduction from the effluent of a PN/A granular reactor via solid-phase denitrification (SPD)

The valuable metals recycling of spent lithium-ion batteries (LIBs) can achieve resource utilization and reduce environmental pollution. In this study, a mixed organic acid composed of acetic acid and ascorbic acid was used to extract valuable metals from the cathode material of spent ternary LIBs, and the leaching process and mechanism were studied. Based on the leaching results, the leaching efficiencies

This study evaluates various bio-compressed natural gas (bio-CNG) production pathways from a life cycle perspective to identify the most sustainable scenarios for addressing the CNG shortage in Tehran’s public transport fleet. The energy, cost, and environmental impacts of fossil CNG production were assessed and compared with bio-CNG from anaerobic digestion of bio-waste, manure, used vegetable cooking

Systematically analyzing accident causes and identifying causal pathways is essential for eliminating accident triggers and effectively managing risks. This study conducted an in-depth analysis of 386 coal mine ordinary accident cases from 2002 to 2023, covering six major types of accidents: object striking, vehicle injury, mechanical injury, high falling, roof falling, and other injuries. The accident

Chalcopyrite and molybdenite present challenges in flotation separation due to their similar floatability. In this study, ozone micro-nano bubble was employed to oxidize chalcopyrite and molybdenite, altering their surface properties to facilitate them separation via flotation. The flotation results demonstrated a significant reduction in the recovery of chalcopyrite through ozone micro-nano bubble

Green hydrogen (H2) presents a feasible substitute for conventional sources of energy, offering a sustainable approach to lowering carbon emissions and strengthening energy security. This review explores key production pathways, focusing on electrolysis and biomass-based methods and hybrid renewable energy and co-generation systems to improve efficiency and grid stability. Further, it explores the

Rhenium in the waste of tungsten-molybdenum-rhenium alloy has high value, but there are problems such as low purity and low recovery rate in recovering rhenium from the waste of tungsten-molybdenum-rhenium alloy. To effectively solve these problems, this article uses a combination of high-temperature pyrometallurgy and secondary low-temperature oxidation volatilization to effectively extract fine-grained

This study enhances the performance of pyramid solar still by incorporating a vertically positioned, triangular-shaped absorber with a single-axis solar tracking mechanism. This innovation, combined with a flat and corrugated vertical absorber covered by burlap covers to reduce water content and accelerate evaporation, rear mirror to maximize solar energy capture, fan to expedite steam removal, and

Introducing renewable energy sources into industrial energy systems is an effective way to reduce greenhouse gas emissions. However, the time-varying uncertainty of renewable energy causes significant high operation cost and extreme scenarios in energy management for large-scale industrial systems. Current optimization methods include extensive uncertain parameters but fail to utilize real-time data

Deep learning has demonstrated significant advantages in managing nonlinear relationships within high-dimensional spectral data, making it widely applicable in water quality monitoring. However, the variety of model selection and construction strategies has resulted in substantial fluctuations in predictive performance, particularly with high-dimensional data. This study constructs an integrated deep

The sequenced granular activated carbon (GAC)–oxidation process stands out as an advanced treatment that combines the adsorption ability of GAC to capture contaminants with a subsequent oxidation step to degrade or transform these pre-adsorbed into less toxic or added-value products. With this two-step treatment it is possible to extend GAC’s service life and enhances process sustainability. However

There is a lack of electrochemical measurements and analysis in supercritical and dense-phase CO2 environments due to the difficulty in conducting in-situ electrochemical tests. This study constructed a novel in-situ electrochemical noise (EN) testing system for supercritical and dense-phase CO2 corrosion, and the influences of water content and phase state on the corrosion kinetics of pipeline steel

In this study, we tested different models for predicting the effluent water quality of coal chemical wastewater treated by the catalytic ozonation process. The optimal model was further modified using the norm feature vector selection methods and intelligent algorithms. The average removal amount and average removal rate of COD in coal chemical wastewater treated by catalytic ozonation process were

In the last decades, many researchers from around the world have made great efforts to find a highly efficient, low energy consumption, and definitely, environmentally friendly technique for CO2 capture. Ultrasound-assisted absorption/ desorption processes is the subject of the present review. The use of ultrasound irradiations has emerged as one of the useful improving approaches in terms of heat

The integration of solar molten salt thermal storage with biomass thermochemical conversion is a viable strategy for generating clean and renewable energy. Molten salt offers substantial benefits in catalysis and heat transfer, which are indispensable in gasification processes. However, achieving sufficient mixing of the gaseous atmosphere with the liquid-solid phase is challenging. In this study,