OOIR: Observatory of International Research

Papers

(The TQCC of International Journal of Coal Preparation and Utilization is 3. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-11-01 to 2024-11-01.)

Article	Citations
Interaction of anthracite coal ash and Archis hypogaea shell ash on an innovative brick: an experimental and simulation study	31
Countermeasures against coal spontaneous combustion: a review	24
Eco-sustainable alkali activated brick using municipal incinerated ash	22
Assessment and characterization of waste material used as backfilling in an abandoned mine	22
Influences of the pre-oxidation time on coal secondary spontaneous combustion behaviors by temperature-programmed technique	22
Enhancing the rheology and leachability of fly ash slurry using natural – synthetic mixed surfactant systemfor hydraulic stowing in underground mines	20
ANN modeling and residual analysis on screening efficiency of coal in vibrating screen	18
Artificial neural network modeling for predicting the screening efficiency of coal with varying moisture content in the vibrating screen	17
Application of screening using a flip-flow screen and shallow groove dense-medium separation in a steam coal preparation plant	16
Regression modeling and residual analysis of screening coal in screening machine	16
Recognition and sorting of coal and gangue based on image process and multilayer perceptron	15
Strength and durability studies on sustainable eco-friendly green solid blocks	15
Inhibiting effects of three phosphates on coal spontaneous combustion	15
Study of raw coal identification method by dual-energy X-ray and dual-view visible light imaging	14
Experimental study on the influence of external factors on image features of coal and gangue	14
Coal gangue image segmentation method based on edge detection theory of star algorithm	14
Extraction of lithium from coal gangue by a roasting-leaching process	14
The study of enhanced gravity concentrator for maceral enrichment of low-rank coal with heavy medium	14
Simulation analysis on the separation performance of spiral inlet hydrocyclone	13
Investigating potential co-firing of corn cobs with lignite for energy production. Thermal analysis and behavior of ashes	13
Collecting behaviors of high internal phase (HIP) emulsion in flotation of ultrafine high-ash content coal slime	12
An experimental investigation of early warning index for coal spontaneous combustion with consideration of particle size: a case study	12
Detection of coal content in gangue via image analysis and particle swarm optimization–support vector machine	12
Hybrid CFD-experimental investigation into the effect of sparger orifice size on the metallurgical response of coal in a pilot-scale flotation column	12
Past, present and future of Coal Bed Methane (CBM): a review with special focus on the Indian scenario	12

Effect of MgO-based additive on the sintering behavior for slagging-fouling mitigation in Indonesian coal combustion	11
Pyrolysis and combustion behavior of few high-ash Indian coals	11
An intelligent belt wear fault diagnosis method based on deep learning	10
Experimental investigation on filtration characteristic with different filter material of bag dust collector for dust removal	10
On the spontaneous combustion liability of South African coal: a report	10
Study on maceral liberation characteristics of ball grinding and rod grinding for low-rank coal	10
Mechanism of interaction between mixed collectors and low-rank coal: An experimental and simulation study	10
Parameter optimization of an industrial water injection hydrocyclone in the Taixi coal preparation plant	10
Gradient- enhanced waterpixels clustering for coal gangue image segmentation	10
Carbon-dioxide capture, storage and conversion techniques in different sectors – a case study	10
Research of coal and gangue identification and positioning method at mobile device	10
Study on separation of low-rank coal macerals in enhanced gravity field	8
Multiple factors influence coal and gangue image recognition method and experimental research based on deep learning	8
Application of fractional factorial design for evaluating the separation performance of the screening machine	8
Study on coal spontaneous combustion at low-medium temperature in the same coal seam with different buried depths and protolith temperatures	8
Investigation on the impact of physical properties of the coal-ash slurries on the erosion wear performance of WC coated steel by using Image processing technique	8
Effect of scrubbing medium’s particle size distribution and scrubbing time on scrubbing flotation performance and entrainment of microcrystalline graphite	8
Evolution of coal flocs during flocculation under different stirring velocities	7
Performance study on strength, morphological, and durability characteristics of coal pond ash concrete	7
Optimizing the mechanical properties of coal-fines briquettes produced with steam-exploded sugarcane bagasse as a binder	7
Effects of rotary triboelectrification technology on macerals separation for low-rank coal	7
SHAP-based interpretation of an XGBoost model in the prediction of grindability of coals and their blends	7
A cooperative strategy of multi-arm coal gangue sorting robot based on immune dynamic workspace	7
Performance optimization and parametric evaluation of coal deashing and desulfurization in a heavy-medium enhanced gravity field	7
Beneficiation of high-ash Indian coal fines by froth flotation using bio-degradable-oil as a collector	7
Detecting coal-carrying rate in gangue based on binocular machine vision and particle queuing method	7
A characterization of rare earth elements in coal ash generated during the utilization of Australian coals	7
Qualitative surface characterization of Indian Permian coal using XPS and FTIR	7
Investigation on the operational parameters of screening coal in the vibrating screen using Taguchi L27 technique	7
Beneficiation of difficult-to-wash Indian low volatile coking coal fines by Falcon concentrator	7
Blending principles of petroleum coke and low-rank coal to prepare high quality slurries	6
Experimental Study on the Influence of Pyrite Oxidation Products on Coal Spontaneous Combustion	6
Modeling of coal and gangue volume based on shape clustering and image analysis	6
Analysis of enhancing moisture-proof and waterproof performance for lignite powder briquette	6
Synergistic Effect of Polar Group Containing Collectors and Synthesized Frother on Flotation Performance of Oxidized Coal	6
Sensitivity of oil shale particle surface to the applied load in ball mill	6
Low-temperature oxidation and self-heating accelerated spontaneous combustion properties of a Yima formation bituminous coal with various moisture contents	6
Influence of ionic liquid pretreatment on coal desulfurization	6
Study on deashing and desulphurization of coal with heavy medium in enhanced gravity field	6
Preparation and properties of ammonium polyphosphate microcapsules for coal spontaneous combustion prevention	6
Research on low illumination coal gangue image enhancement based on improved Retinex algorithm	6
Improving the slurryability of high ash coal by blending anthracite of different particle size range	6
A data expansion strategy for improving coal-gangue detection	6
Assessment of coal sortability and washability using dual energy X-ray transmission system	6
Extraction of valuable critical metals from coal gangue by roasting activation-sulfuric acid leaching	5
Improvement of low-quality fine coal by ultrasonic hydrophobic flocculation	5
Recovery of clean coking coal from difficult-to-wash low volatile coking coal fines of Jharia coalfield by multi gravity separator	5
Isotope radon measurement method to identify spontaneous combustion regions in coal gangue hills: case study for a coal mine in China	5
Effect of N₂ and CO₂ on shale oil from pyrolysis of Estonian oil shale	5
Intensification of coal slime separation in fluidized bed flotation column: change of turbulence	5

Impact and potential of carbon sequestration and utilization: fundamentals and recent developments	5
An identification and positioning method for coal gangue based on lightweight mixed domain attention	5
Study on maceral characteristics and separation of low-rank coal	5
Assessment of power generation potential from the cofiring of Elaeis Guineensis Residues with coal pellets in a popular Nigerian palm oil research institute	5
Application of Kerosene/ crude palm oil and their mixtures as collectors for flotation of oxidized coal fines and their performance analysis	5
Effect of rice husk blending on combustion characteristics of high ash Indian coal analyzed in TGA	5
Comparison of the prediction performance of separating coal in separation equipment using machine learning based cubic regression modelling and cascade neural network modelling	5
Flow field and particle motion characteristics of rotary triboelectric separator based on CFD simulation	5
Separation of pyritic sulfur from ultrafine coal by pyrolysis & wet high magnetic separation	5
Demineralization of high ash non-coking coal fines of Indian origin using Castor oil: Implications of wet milling	4
Prevention and control of spontaneous combustion/fire in coal stockpiles of power plants using firefighting chemicals	4
Desulfurization of thar lignite by oxidative alkali leaching under pressure	4
Effect of mixing ratio on the adsorption behavior of low-rank coal surface using mixed collectors: Experimental and molecular dynamics simulation study	4
Spectroscopy identification method and system for coal and gangue based on multilocation feature fusion	4
Prediction of gross calorific value as a function of proximate parameters for Jharia and Raniganj coal using machine learning based regression methods	4
Comparison of the predictive model performance of Taguchi’s L27 and Box Behnken design optimization method for separating coal in vibrating screen	4
Simultaneous multiple parameter optimization of multi-stage variable-inclination equal-thickness screening of coal	4
Study on leaching behavior differences of rare earth elements from coal fly ash during microwave-assisted HCl leaching	4
Transfer learning using small-sized dataset for concentrate ash content prediction of coal flotation	4
Rare earth elements mobility, leaching and recovery by different chemicals treatment on coal samples and calcined samples of Sohagpur Coalfield, Madhya Pradesh, India	4
Effects of abandoned coal mine on the water quality	4
Separation of super clean coal with two-stage cyclones and related characteristics	4
Polyaspartic acid, an eco-friendly regulator for the improvement of coking coal flotation: applications and mechanism	4
Application of a water injection hydrocyclone on fine coal enhanced gravity separation	4
Investigation of co-combustion characteristics of olive bagasse, coal and their respective blends by thermogravimetric analysis (TGA)	4
Occurrence, mobility, leaching, and recovery of rare earth elements and trace elements in Sohagpur Coalfield, Madhya Pradesh, India	3
Study on the properties of innovative green brick subjected to varying temperature and time	3
Drying Characteristics and Kinetics Behavior of Indian Coal Slurries Using Natural Draft Tray Dryer	3
Selective screening of coal to improve the washability characteristics at different levels of size reduction	3
Investigations of coal beneficiation by using choline chloride and urea-based deep eutectic solvent	3
Experimental study and molecular simulation of spontaneous combustion of coal gangue by oxidation under different water contents	3
Research on the grinding characteristics of lignite based on grinding kinetics	3
Online analysis of coal slime water particle size based on RRSB characteristic parameters	3
Interpretation of combustion properties of raw-pyrolyzed lignite with kinetic data	3
Effect of slurry preconditioning on the occurrence of major minerals in the flotation products of coal	3
Investigating the gas holdup in a gas-liquid cyclonic flotation column through the electrical resistance tomography	3
Product specification and economic benefit maximization prediction model of a coal preparation plant in Datong, Shanxi	3
Quantitative characterization of pore-fracture structure of medium and high-rank coal based on micro-CT technology	3
Coal characterization and occurrence of rare earth elements in coal and coal-ash of Sohagpur Coalfield, Madhya Pradesh, India	3
Modeling of the effect of falcon concentrator parameters on lignite deashing with Taguchi orthogonal design	3
Assessment on durability of lightweight concrete using alkali modified fly ash based atrificial coarse aggregate (FACA)	3
Detection of coal gangue based on spectral technology and enhanced lightweight YOLOv7-tiny	3
Recovery of lithium from coal gangue utilizing acid baking followed by water leaching	3
Drying kinetics and upgrading characteristics analysis of Zhaotong lignite with microwave deep drying	3
Desulfurization and De-ashing of Coal Through Catalytic Oxidation Using Fe (III) and Cu(II) Catalysts Loaded in Different Forms	3
Effect of coal grade and heating rate on the thermal degradation behavior, kinetics, and thermodynamics of pyrolysis of low-rank coal	3
A review of intelligent coal gangue separation technology and equipment development	3
Effect of magnetization pretreatment of coal slime water flocculating sedimentation	3
Analysis of coal gangue recognition capability based on vibration characteristics of the tail beam and experimental study on coal gangue recognition in fully mechanized top coal caving	3
Mahua oil as an alternative biodegradable collector for the flotation of low-rank high-ash oxidized coals based on kinetic studies	3
Synergistic effect of SPS compound surfactant and diesel oil on low-rank coal slime flotation	3
Separation performance of –0.5 mm fine coal in enhanced gravity field before and after desliming	3
A comparative evaluation of co-gasification of blends of low grade and washed coals with high-rank coal in a fixed bed reactor	3
Experimental analysis of coal gangue identification using visible-near infrared spectroscopy under different working conditions with local and global model	3
Kinetics and phase transformation of low-calcium coal fly ash (CFA) under hydrofluoric acid leaching	3
Ultrasonic extraction of oil shale bitumen and study of its structural features using GC-MS and NMR techniques	3
Kinetics of bubble interaction with low rank coal surface in the presence of adsorbed dodecane-oleic acid collector mixture	3
Collector-assisted efficient coal/gangue recognition based on liquid intervention in longwall top coal caving	3
An efficient method for recognition of coal/gangue with thermal imaging technique	3
Application of the response surface methodology to optimize the characteristics of weathered discard coals using the W/O HIP emulsion technique	3
Extraction of Al and preparation of polyaluminum chloride from coal gasification fine slag by high-pressure HCl leaching method	3
Physicochemical and hygroscopic properties of charcoals produced from residues of two tropical woods from Cameroon	3
Desilication of high-silica Indian coal fly ash by alkali leaching with KOH and NaOH: A comparative study	3
Assessment of the moisture storage characteristics of lignite focusing on lignite type, moisture forms and drying mechanism	3
Study on the effect of mixed particle size on coal heat release characteristics	3
Effect of reagents on flotation kinetics of differently sized feeds	3
Shape selection recognition and scattering distribution prediction of adhesion targets in multi-scale dual-energy X-ray images of coal and gangue	3
The influence of height-to-width ratio of feed inlet on flow field characteristics and separation performance of the hydrocyclone with spiral inlet	3
Recognition of coal and gangue under low illumination based on SG-YOLO model	3