Daolin Wang
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View article: Effect of Fluoride Content in Synthetic Phosphogypsum on the Hydration Behavior and Mechanical Properties of Cemented Paste Backfill
Effect of Fluoride Content in Synthetic Phosphogypsum on the Hydration Behavior and Mechanical Properties of Cemented Paste Backfill Open
Phosphogypsum-based cemented paste backfill (PCPB) represents an effective solution for managing substantial accumulations of PG. However, its practical application is limited by excessive fluoride content and insufficient strength. To sys…
View article: Numerical Study of Liquid Hydrogen Internal Flow in Liquid Hydrogen Storage Tank
Numerical Study of Liquid Hydrogen Internal Flow in Liquid Hydrogen Storage Tank Open
As a key zero-carbon energy carrier, the accurate measurement of liquid hydrogen flow in its industrial chain is crucial. However, the ultra-low temperature, ultra-low density and other properties of liquid hydrogen can introduce calibrati…
View article: Numerical Study on the Effect of Upstream Piping Configuration on Flow Diverter Performance
Numerical Study on the Effect of Upstream Piping Configuration on Flow Diverter Performance Open
Liquid hydrogen, a cryogenic fluid with extremely low density and viscosity, plays a crucial role in zero-carbon energy strategies. It has become a prominent research focus in the field of new energy strategy. In most processes within the …
View article: Numerical Study of Liquid Hydrogen Internal Flow in Liquid Hydrogen Storage Tank
Numerical Study of Liquid Hydrogen Internal Flow in Liquid Hydrogen Storage Tank Open
As a key zero-carbon energy carrier, the accurate measurement of liquid hydrogen flow in its industrial chain is crucial. However, the ultra-low temperature, ultra-low density and other properties of liquid hydrogen can introduce calibrati…
View article: A novel and clean utilization of red mud as an activator couple with fly ash to prepare cementitious paste backfill
A novel and clean utilization of red mud as an activator couple with fly ash to prepare cementitious paste backfill Open
View article: Comparative and Meta-Analysis Evaluation of Non-Destructive Testing Methods for Strength Assessment of Cemented Paste Backfill: Implications for Sustainable Pavement and Concrete Materials
Comparative and Meta-Analysis Evaluation of Non-Destructive Testing Methods for Strength Assessment of Cemented Paste Backfill: Implications for Sustainable Pavement and Concrete Materials Open
Cemented paste backfill (CPB) plays an important role in sustainable mining by providing structural support and reducing surface subsidence. While traditional destructive testing methods such as unconfined compressive strength (UCS) tests …
View article: Study on the Effect of Slurry Concentration on the Mechanical Properties and Fluoride Immobilization of Red Mud-Based Backfill Under Phosphogypsum Neutralization
Study on the Effect of Slurry Concentration on the Mechanical Properties and Fluoride Immobilization of Red Mud-Based Backfill Under Phosphogypsum Neutralization Open
Red mud (RM) is a strongly alkaline waste residue produced during alumina production, and its high alkali and fine particle characteristics are prone to cause soil, water, and air pollution. Phosphogypsum (PG), as a by-product of the wet p…
View article: Pb-induced retardation of early hydration of Portland cement: Insights from in-situ XRD and implications for substitution with industrial by-products
Pb-induced retardation of early hydration of Portland cement: Insights from in-situ XRD and implications for substitution with industrial by-products Open
View article: Alkaline-washed phosphogypsum-based cemented paste backfill prepared using steel slag and blast furnace slag: Mechanical properties, fluoride immobilization, and hydration mechanism
Alkaline-washed phosphogypsum-based cemented paste backfill prepared using steel slag and blast furnace slag: Mechanical properties, fluoride immobilization, and hydration mechanism Open
Phosphogypsum (PG)-based cemented paste backfill (PCPB) is an effective way to deal with the problem of PG storage, but the low strength, high cost, and serious fluoride pollution of PCPB limit the popularization of this technology. Alkali…
View article: Assessing Fluoride Impact in Phosphogypsum: Strength and Leaching Behavior of Cemented Paste Backfill
Assessing Fluoride Impact in Phosphogypsum: Strength and Leaching Behavior of Cemented Paste Backfill Open
Phosphogypsum (PG)-based cemented paste backfill (PCPB) is a widely used method for the large-scale disposal of phosphoric acid waste. However, fluoride contaminants in PG pose a significant risk of groundwater pollution. Effective pretrea…
View article: Towards Sustainable Development of Mineral Resources in Sub-Saharan Africa: A Structural Equation Modeling Approach
Towards Sustainable Development of Mineral Resources in Sub-Saharan Africa: A Structural Equation Modeling Approach Open
This study focuses on economic, governmental, social, and environmental factors and their impact on the sustainable development of mineral resources in sub-Saharan Africa. Using structural equation modeling (SEM) and data from 40 countries…
View article: Microstructure and mechanical properties of sustainable cemented-paste backfill materials with the substitution of alkali-activated rice husk ash
Microstructure and mechanical properties of sustainable cemented-paste backfill materials with the substitution of alkali-activated rice husk ash Open
Rice husk ash (RHA) is currently utilized as a supplementary cementitious material in cement products due to its pozzolanic properties. This work aims to investigate the pozzolanic effect (PE) and the filler effect (FE) of RHA on the mecha…
View article: Research on the transformation and immobilization mechanism of fluorine-containing phase in phosphogypsum low-carbon gel backfilling system
Research on the transformation and immobilization mechanism of fluorine-containing phase in phosphogypsum low-carbon gel backfilling system Open
As a bulk by-product of the chemical phosphoric acid industry, phosphogypsum (PG) has not been effectively utilised because of the large number of impurities, and the large amount of stockpiled on the surface of the ground poses a potentia…
View article: Using Bayer red mud as an alternative activator in hybrid alkali-activated cement for cemented paste backfill: Experimental investigation and life cycle assessments
Using Bayer red mud as an alternative activator in hybrid alkali-activated cement for cemented paste backfill: Experimental investigation and life cycle assessments Open
Ordinary Portland Cement (OPC) is the most widely used cementitious material in cemented paste backfill at present. However, OPC production consumes massive energy and is one of the main contributors to greenhouse gas emissions. Hybrid alk…
View article: Guidance and review: Advancing mining technology for enhanced production and supply of strategic minerals in China
Guidance and review: Advancing mining technology for enhanced production and supply of strategic minerals in China Open
Mineral resources, often referred to as "industrial food," play a pivotal role in the national economic construction sector. Specifically, strategic minerals (SMs) bear a direct influence on the development of emerging strategic industries…
View article: Alkaline-Washed Phosphogypsum-Based Cemented Paste Backfill Prepared Using Steel Slag and Blast Furnace Slag: Mechanical Properties, Fluoride Immobilization, and Hydration Mechanism
Alkaline-Washed Phosphogypsum-Based Cemented Paste Backfill Prepared Using Steel Slag and Blast Furnace Slag: Mechanical Properties, Fluoride Immobilization, and Hydration Mechanism Open
View article: Investigation of flocculation behavior of tailings during settling-concentration: influence of true density, particle size, and mud layer height
Investigation of flocculation behavior of tailings during settling-concentration: influence of true density, particle size, and mud layer height Open
The rapid concentration of tailings is a crucial initial step in the cemented paste backfill (CPB) process, as it ensures the stability of the backfilling slurry concentration and the continuity of the backfilling process. The structure of…
View article: Numerical Study of Resistance Loss and Erosive Wear during Pipe Transport of Paste Slurry
Numerical Study of Resistance Loss and Erosive Wear during Pipe Transport of Paste Slurry Open
Cemented paste backfill (CPB) as a solid waste treatment technology that prepares tailings as aggregate into a highly concentrated slurry to be transported to the underground mining area, is now widely used in mines. However, the pipeline …
View article: Effect of Al2O3 on the Structural Properties of Water-Quenched Copper Slag Related to Pozzolanic Activity
Effect of Al2O3 on the Structural Properties of Water-Quenched Copper Slag Related to Pozzolanic Activity Open
Water-quenched copper slag (WCS) modified with alumina (Al2O3) has been proven as a cement substitute; however, the effect of Al2O3 on structural properties of WCS related to pozzolanic activity has not been well investigated. The structur…
View article: The Phosphorus Transport in Groundwater from Phosphogypsum-Based Cemented Paste Backfill in a Phosphate Mine: A Numerical Study
The Phosphorus Transport in Groundwater from Phosphogypsum-Based Cemented Paste Backfill in a Phosphate Mine: A Numerical Study Open
Stacked phosphogypsum (PG) can not only cause a waste of resources but also has a serious negative impact on the surface environment. Phosphogypsum backfilling (PGB) in the underground goaf is a useful approach to effectively address the P…
View article: Influence of CaO on Physical and Environmental Properties of Granulated Copper Slag: Melting Behavior, Grindability and Leaching Behavior
Influence of CaO on Physical and Environmental Properties of Granulated Copper Slag: Melting Behavior, Grindability and Leaching Behavior Open
Due to its potential pozzolanic activity, granulated copper slag (GCS) has been proven to act as a supplementary cementitious material (SCM) after thermochemical modification with CaO. This modification method reduces cement consumption an…
View article: Mining Investment Risk Assessment for Nations along the Belt and Road Initiative
Mining Investment Risk Assessment for Nations along the Belt and Road Initiative Open
As the Belt and Road Initiative (BRI) continues to advance, the proportion of China’s investment in mineral resources has increased yearly. However, the current research on mineral resources investment risk mainly focuses on specific resou…
View article: Environmental Benefit Assessment of Blended Cement with Modified Granulated Copper Slag
Environmental Benefit Assessment of Blended Cement with Modified Granulated Copper Slag Open
This study aimed to investigate the environmental impact of modified granulated copper slag (MGCS) utilization in blended cement production at a representative cement plant in China. Sensitivity analysis was performed on the substance inpu…
View article: Hydration and Mechanical Properties of Blended Cement with Copper Slag Pretreated by Thermochemical Modification
Hydration and Mechanical Properties of Blended Cement with Copper Slag Pretreated by Thermochemical Modification Open
The application of granulated copper slag (GCS) to partially replace cement is limited due to its low pozzolanic activity. In this paper, reconstituted granulated copper slag (RGCS) was obtained by adding alumina oxide (Al2O3) to liquid co…
View article: Guinea’s Bauxite Resources Evaluation and Forecasting Using Elasticity Demand Method
Guinea’s Bauxite Resources Evaluation and Forecasting Using Elasticity Demand Method Open
Based on the economic theory, this paper analyzes and presents Guinea’s bauxite reserve, domestic demand, the export prediction based on China’s consumption using the GDP elasticity of demand method to determine the elasticity and forecast…
View article: Safety Analysis of Synergetic Operation of Backfilling the Open Pit Using Tailings and Excavating the Ore Deposit Underground
Safety Analysis of Synergetic Operation of Backfilling the Open Pit Using Tailings and Excavating the Ore Deposit Underground Open
The transition from open pit mining to underground mining is essential for mineral resources to achieve deep excavation. Recently, cemented paste backfill (CPB) has been proposed as a novel technology to achieve open pit backfill (OPB). Th…
View article: An Efficient Synthesis of 2-Amino-4-(guaiazulen-1-yl)-4H-chromenes via Cycloaddition of 1-Hydroxy-2-(3-guaiazulenylium)benzenes with Malononitrile/Ethyl Cyanoacetate
An Efficient Synthesis of 2-Amino-4-(guaiazulen-1-yl)-4H-chromenes via Cycloaddition of 1-Hydroxy-2-(3-guaiazulenylium)benzenes with Malononitrile/Ethyl Cyanoacetate Open
View article: A Simple Route for Synthesis and Evaluation of Antioxidant Activity of (Guaiazulen-1-yl)furans
A Simple Route for Synthesis and Evaluation of Antioxidant Activity of (Guaiazulen-1-yl)furans Open
An effective protocol for the synthesis of guaiazulene substituted furan derivatives via three-component reactions of guaiazulene, α-ketoaldehyde, and 1,3-dicarbonyl compound under mild conditions in good yield is reported.All of these com…
View article: Facile Synthesis of 2-Aryl(guaiazulen-1-yl)methylkojic Acid Derivatives via Benzylation
Facile Synthesis of 2-Aryl(guaiazulen-1-yl)methylkojic Acid Derivatives via Benzylation Open
View article: Optimization of Ore Production in Copper Mine
Optimization of Ore Production in Copper Mine Open
Mining activities are risky operations and represent a significant threat to capital investments. These activities, which require many years of evaluating the technical characteristics of the mineral deposit using the most appropriate meth…