With booming computer technology and diverse computer-based smart applications, intelligent monitoring and detection of the fatigue state of coal miners (miners) has attracted extensive attention from enterprises. In order to accurately and fast knowledge the fatigue status of Miners and reduce production accidents. The article proposes a Fatigue Monitoring and Detection (FMD) model based on a fusion

The increasing global output of plastic waste has created a critical need for cost-effective and highly accurate methods of plastic recycling. One of the major challenges in recycling plastics is maintaining the purity of plastic streams, which is essential for secondary plastics to compete with virgin plastics in the market. In this context, this paper presents a novel approach for classifying different

Diesel generators used for off-grid power generation and other applications waste a significant amount of input power as heat (about 65%), contributing to global warming. To mitigate this, waste heat recovery and utilization systems can be employed. The current study, focuses on utilizing waste heat from a 2.5 MW diesel generator for freshwater production through integrated humidification dehumidification

This study investigated the effect of flow channel configuration on the water disinfection efficiency of a photoreactor with ultraviolet (UV) C light-emitting diodes (LEDs). The synergistic effect of UV radiation and hydrodynamics on microbial inactivation was analyzed to obtain the UV fluence distribution for five channel configurations. Simulations revealed that the serpentine and spiral configurations

In this experimental study, two units are held and studied: the traditional tubular solar still (TTSS) and the developed tubular solar still (DTSS). The influence of a developed solar parabolic concentrator (DSPC) employed with carbon black nanoparticles (CBNs), a V-corrugated Aluminum basin (VCAB), and wick martial on the thermal efficiency and productivity was investigated in four cases: (Case A):

CO2 injection in shale gas reservoir can not only increase the production of shale gas, but also realize carbon dioxide capture, utilization and storage. At present, most experimental studies of CO2 injection in shale are carried out by conventional core experiments. However, it is difficult to analyze the process of CO2 replacing shale gas and adsorption in shale pores on microscopic scale. In this

A block valve installed along a trunk natural gas pipeline can automatically shut down when it detects a pressure-drop rate that is over a threshold value for a specified duration, indicating that leakage accidents have occurred. However, current methods have difficulties on identifying the differences among the pressure-drop rate signals caused by small-hole leakage, compressor startup, and block

Considering the benefits of geothermal energy in low-temperature combined processes, this study intends to present, examine, and optimize a novel thermal integration process incorporated into a two-stage geothermal flash cycle. In order to meet this objective, a modified bi-evaporator refrigeration technology using an ejector has been designed, with the capability of generating coolant for air-conditioning

The development of large-scale sustainable energy has affected the security of electricity systems. Virtual power plant (VPP) realize multi-energy synergistic complementation and efficient operation mainly with electricity. The paper proposed a flexible resource dynamic aggregation regulation method of VPP to ensure more renewable energy generation, which enables the efficient operation of multiple

Once fires occur unexpectedly at the oil-hydrogen integrated refueling stations, there is a high likelihood that they will escalate into a coupled fire, resulting in unpredictable casualties and property losses. In this work, experiments on coupled fire induced by hydrogen jet flame and a heptane pool flame were conducted with different nozzle diameters and release pressures. It has been found that

The urgency of addressing climate change and reducing carbon emissions necessitates the establishment of effective carbon markets. Our paper focuses on assessing and interpreting the efficiency of carbon markets, which is a crucial aspect of their successful implementation. We selected Hubei, Shenzhen, and Guangdong carbon pilots as examples to measure their dynamic information efficiency by combining

Infrared heating method aids in the investigation of the primary volatiles-volatile interactions during co-pyrolysis by minimizing the secondary reactions. In this study, characteristics and synergistic effects during the rapid co-pyrolysis of high alkali coal (HAC) and corn stover (CS) using infrared heating were systematically investigated. The co-pyrolysis liquid yield initially increased and then

The corrosion and perforation leakage of shale gas pipelines can lead to serious environmental damage. By tracking the water and gas components throughout the shale gas production cycle, the main factors that affect corrosion in shale gas pipelines have been identified: carbon dioxide, dissolved oxygen, sulfate-reducing bacteria, and chloride ions. The study focused on understanding the development

The biofilm in-situ remediation is one of the most important and practical techniques for river remediation. The biochemical function of biofilms and the hydraulics of the river are both significant aspects of river remediation study, however, they belong to distinctive research points. To date, little research has combined the biochemical process of biofilm and the hydraulics of the river. In this

The energy content of Gas Hydrated in form of natural gas is approximately twice with respect to the total energy still producible from all the known conventional energy sources. To reduce the risk induced by exploitation of hydrate reservoirs a good knowledge of the mechanical properties is crucial. Here we simulate CH4 replacement with CO2 and then we analyze the mechanical properties of replaced

Early detection of leaks in natural gas gathering pipelines makes proactive maintenance and corrective measures take place more effective, thus enhancing the safe and reliable operation of pipelines and mitigating serious threats to the environment and human life. The data-driven leak detection methods have become a natural choice owing to the extensive deployment of sensors in the pipeline network

Hydrogen energy, as a green new energy source, has great significance for environmental protection due to its widespread application. This article uses nonlinear dynamics theory to study the problem of hydrogen energy storage firstly, which is different from traditional methods by using simulation and experimental methods. In this paper, the bifurcation and chaos of Li-doped 6,6,12-graphyne impacted

The conversion of carbon dioxide (CO2) into valuable chemicals has emerged as a prominent research field. This study attempts to uncover the rigorous design and comprehensive analysis of an innovative process that produces Isopropyl N-phenylcarbamate (IPPhCM) through direct synthesis involving CO2, 2-Propanol (IPA), and phenylamine (PHAM). The reaction system utilizes CeO2 as a catalyst and 2-Cyanopyridine

Safety is paramount to any process plant facilities and its design process. To ensure that safety is considered in design stages, process safety analysis such as hazard and operability studies are often carried out to address safety concerns throughout the stages of plant design to operation. However, conventional HAZOP studies are labor-intensive and expensive. This paper aims to provide a semi-automated

Efficient treatment of antibiotic residue, containing a range of persistent organic compounds, is essential to ensure the protection of both the environment and human health. Supercritical water gasification technology could achieve the clean and efficient energy conversion of antibiotic residues. In this paper, a self-thermal supercritical water gasification system for antibiotic residues is developed

Suppressing thermal runaway (TR) propagation within Lithium-ion battery (LIB) modules/packs/systems is one of the key factors to ensure the safety utilization of electric vehicles and energy storage systems. This contribution aims at introducing Silica Aerogel Sheets (SAS) into high energy density modules to suppress the TR propagation. The SAS, synthesized via a sol-gel process followed by supercritical

Principal Component Analysis (PCA) is a widely used technique for fault detection and diagnosis. PCA works well when the data set has linear characteristics. However, most industrial processes have nonlinear characteristics in their data. Kernel PCA (KPCA) is an alternative solution for such types of data sets. This solution doesn’t come without a cost since one of KPCA’s disadvantages is a large number

This research describes a hybrid solar desalination system that includes a humidification-dehumidification unit as well as a solar still unit. The current system is being studied numerically. A one-dimensional model of the important heat and mass exchanges, as well as the flow field, was built using the finite difference method. Freshwater productivity is calculated under various operating and weather

False alarms are detrimental to the safety of industrial processes and are often removed by alarm deadbands. However, most of the existing methods design alarm deadbands based on historic data samples under the assumption of stationarity, and may not achieve the desired performance in reducing false alarms for non-stationary process variables. This paper proposes an adaptive method to update alarm

Experiments were conducted in two closed ducts, 100 × 100 × 1000 mm3 (AR = 10) and 60 × 60 × 2000 mm3 (AR = 33.33), to comparatively study the explosion behavior of premixed syngas-air mixtures. The stoichiometric syngas-air mixtures with the increase in hydrogen volume fraction were tested. The flame structure, flame tip, and overpressure dynamics in two ducts were analyzed, and the propagation behavior

Multi-soil layering (MSL) is an efficient and eco-friendly soil-based system ingeniously engineered to circumvent common limitations imposed by soils when used as filtering materials for wastewater treatment. However, relatively few comprehensive and critical reviews emphasize the significant assets of successful application and durable operation and discuss the cutting-edge orientations to promote

Coal and gas outburst is one of the main disasters during the production process of coal mines. Accurate recognition and advanced early warning are crucial to effectively preventing and controlling outburst. Acoustic Emission (AE) or Electromagnetic Resonance (EMR) continuous monitoring technologies have been widely used in outburst prediction due to their advantages of positive response and significant

The adverse health effects caused by long-term exposure to high pollution volumes from industries near urban areas are a growing concern. Determining accurate distribution models of pollutants is crucial for establishing safe distances between sectors and urban regions and continuously monitoring pollutant levels. This study was conducted in Siraf City, situated in the Pars special energy zone in southern

The efficient and environmentally friendly disposal of waste printed circuit board (WPCB) is of great significance for resource sustainability. This study focuses on the pyrolysis process of WPCB and the comprehensive characterization of the products. Meanwhile, the emission properties of the main gas products in the pyrolysis process of WPCB were investigated in real time. The results of pyrolysis

A large amount of CO2 will be emitted after the burning of fossil fuels, causing global warming and glacier melting which will bring a huge threat to the living environment. Atmospheric clearance through the capture, utilization or storage of CO2 is one of the technologies for dealing with global climate change. In order clarify the mechanization of supercritical CO2 fracturing, the tight sandstone

In the realm of energy economics, where financial considerations are intertwined with policy imperatives, there is a pressing need for advanced power generation technologies, given the escalating CO2 emissions and global warming concerns. Flame-assisted Fuel Cells (FFCs) have surfaced as a promising innovation with several advantages; however, their low electrical efficiency remains a critical concern

Coordination of economic, environmental, and social development is essential for sustainable development in China. A closed-loop feedback three-stage dynamic network slack-based measurement model was proposed to measure the sustainable development efficiency of 30 provinces in China during 2005–2020. The spatiotemporal evolution characteristics and coordination of sustainable development efficiency

The explosion characteristics of the runaway battery vented gas (BVG) was studied using an 8 L column type device. The effects of ambient temperature, turbulence condition, and graphite dusts-ejected along with the BVG on the explosion process-were investigated. At 25 ℃, the explosion limits of pure BVG, the maximum explosion pressure (Pmax), and the maximum rate of explosion pressure rise (dP/dt)max