PDF Recognition Methods for Coal and Coal Gangue Based
Recognizing coal and coal gangue is an important part of the coal industry and is mainly conducted via human sorting at present Consequently considerable manpower is needed which adds a burden
coal gangue meaning
Trace Elements in Coal Gangue A Review IntechOpen
· Coal gangue is one of the largest industrial residues It has high ash content low carbonaceous content and heating value Meanwhile it has some trace elements Large quantities of coal gangue cause serious environmental problems by polluting the air water and soil as well as occupying a tremendous amount of land Now coal gangue utilization is a
[PDF] Separation Between Coal and Gangue Based on Infrared
This paper uses an infrared camera IC to distinguish between coal and gangue in the industrial mining field and achieves a high classification accuracy % by using Gaussian SVM Distinguishing between coal and gangue in the production lines of mining factories based on the thermal energy and infrared radiation emission of an object is feasible
The environmental characteristics of usage of coal gangue
· The arithmetic mean values of As Cd Cu Ni Se Sn and Zn are and mg kg −1 in Huainan coal gangue Cai et al 2022 respectively In general the volatile compounds are released into the atmosphere during coal gangue brick making Many studies have been focused on the monitoring methodologies of the atmospheric
gangue translation in English French English dictionary
The pozzolan admixture is formed from feedstock containing coal Reverso you can find the French translation definition or synonym for gangue and thousands of other words You can complete the translation of gangue given by the French English Collins dictionary with other dictionaries such as Wikipedia Lexilogos Larousse dictionary Le Robert Oxford
Gangue definition and meaning Collins English Dictionary
· Gangue definition valueless and undesirable material such as quartz in small quantities in an ore Meaning pronunciation translations and examples
Nepheline‐Based Water‐Permeable Bricks From Coal Gangue
meaning that the coal gangue contains a relatively high amount of carbon Other compounds used in the synthesis process include Al OH 3 urea polyvinyl acetate and Na 2CO 3 were supplied by the Beijing Chemical Reagent Company China The water used in this study was consumable water Preparation of Water Permeable Bricks Pretreatment of Coal Gangue The
Eco friendly treatment of coal gangue for its utilization
· Using coal gangue CG as supplementary cementitious materials SCMs is believed to be one of the effective strategies for CG disposal While the low reactivity of CG restricts its large scale applications To increase the reactivity of CG wet grinding treatment was conducted in this work X Ray diffraction XRD Fourier transform infrared spectroscopy
Automatic Coal and Gangue Segmentation Using U Net Based
· This paper aims to conduct gangue segmentation using a U shape fully convolutional neural network U Net trained to segment gangue from raw coal images collected under complex environmental conditions Sorting gangue from raw coal is an essential concern in coal mining engineering Prior to separation the location and shape of the gangue should be
Controlling water temperature for efficient coal/gangue
· The mean value of temperature difference between coal and gangue shows an approximate linear downward trend with the increasing of water temperature The results indicate that under the condition of water intervention it is recommended to choose water with a temperature below the ambient air which may be a new approach to improve the
CiteSeerX — An Efficient of Coal and Gangue Recognition
Aimed at the problem that impurities gangue and vitrinite in coal affect the accuracy of recognition result mean smoothing filter algorithm was used to pre process image and related neighborhood pixels recognition algorithm was proposed for recognizing the coal and gangue The recognition system was tested on line with a large number of random
Coal Gangue Crushing and Screening JXSC Mine
Coal Gangue Meaning Coal Gangue is a kind of solid waste discharged from coal mining and coal washing It is also a kind of black gray rock with lower carbon content and harder than coal Its main components are Al2O3 and SIO2 In addition it contains various amounts of Fe2O3 Cao MgO Na2O K2o P2O5 SO3 and traces rare elements gallium vanadium titanium
Bor vibration feeder processing coal gangue Mining
Coal gangue is a kind of pollution sources which produced in coal mining It can recycle via coal gangue crushing and screening The gangue discharged from coal mining is composed of various kinds of rocks the hardness and calorific are different Analyzes the effect that different crushers machine crushing gangue Coal Gangue Meaning Coal Read More
Coal gangue market 2022 global industry size trends by
· The report firstly introduced Coal Gangue basic information including Coal Gangue definition classification application and industry chain overview Coal Gangue industry policy and plan Coal
what is coal gangue
· definition of coal gangue worldcrushers what is coal gangue Coal processing system Machine for sale Find the Right and the Top what is coal gangue for your coal handling plant Bivalve definition from Welcome to More Combustion properties of coal gangue using This study investigated the combustion properties of coal gangue CG
Gangue Wikipedia
Gangue minerals once separated by mineral dressing processes of most of the valuable ore minerals and dumped in mine tailings may be a significant environmental impact In particular oxidation of pyrite a common gangue mineral is one of the main sources of acid mine drainage Re use Minerals that were once thought of as gangue and were dumped may later find a
Coal Mining Block Ministry of Coal GOI
Directions of the Central Government for auction of coal mines under the CM SP Act 2022 Minutes of 4th meeting held on 12 7 2022 under chairmanship of Additional Secretary Coal to identify additional coal / lignite blocks for allocation under rule
Original Research Comprehensive Landscape Ecology
Coal gangue is a hazardous industrial waste that is produced while mining coal Dumping this waste in cone shaped heaps is a common disposal method that not only occupies a great deal of land resource but also causes a considerable threat to the surrounding environment for instance through surface subsidence impoundment and soil pollution [1] As an alternative solution
Extraction of alumina from alumina rich coal gangue by a
Coal gangue is an industrial solid waste produced by coal mining and processing [1 3] The average production of gangue accounts for 10 15% of raw coal production [4 5] making coal gangue one of the biggest solid wastes in China At present utilization ratio of coal gangue can reach about 60% in some countries There are still huge amounts of coal gangue being
Investigation of phosphate removal from IWA Publishing
· The maximum phosphate adsorption capacity of new discharged coal gangue is over mg/g as P while the maximum phosphate adsorption capacity of spontaneous combustion coal gangue is over mg/g as P which indicated that the spontaneous combustion coal gangue is more suitable for use as an adsorbent The three parameter
Coal gangue detection and recognition algorithm based on
· The YOLOv4 network correctly detected coal and gangue of different sizes but for the detection of large sized coal and gangue third picture with a size of 6 8 cm and the second and third pictures with a size of 10 12 cm it was prone to local misdetection or repeated detection The YOLOv5 network showed individual false detections in the detection of coal
Extraction of alumina from alumina rich coal gangue by a
· The coal gangue generated from this area is thereby rich in alumina Al 2 O 3 40 50 wt% which is almost the same as some middle and low grade bauxite Alumina mainly extracted from bauxite is widely used in catalysts adsorbents ceramics refractory metallurgy and many other areas As the largest producer and consumer of aluminium in the world
Separation of gangue from coal based on histogram
· The mean and variance of the grayscale probability distribution for coal and gangue were different Therefore coal and gangue could be distinguished by analyzing their mean and variance If a M
coal gangue meaning
what is coal gangue Cruise Engeland Gangue definition of gangue by The Free Dictionary Other topics include the degradation of sodium dodecyl benzene sulfonate in laundry water molybdenum doped vanadium dioxide thermochromic thin films for smart windows a circular ecoindustrial park for comprehensive utilization of coal gangue and carbon fiber paper for
Definition Of Coal Gangue
Definition Of Coal Gangue Coal Gangue Crushercoal Refuse Henan Fote Coal Gangue Coal Gangue Is The Solid Waste During The Process Of Coal Mining And Coal Washing Is Dark Gray Rock With Low Carbon Content Harder Than Coal Leer M S Gangue Crusher Post Responsibility System What Is Gangue And Surrounding Rock Define Gangue In Coal The Main Chemical
Coal gangue detection and recognition algorithm based on
Coal gangue detection and recognition algorithm based on deformable convolution YOLOv3 De yong Li1 3 4 Guo fa Wang3 4 Yong Zhang1 2 Shuang Wang1 2 1 State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines Anhui University of Science and Technology Huainan China 2 School of Mechanical Engineering Anhui University of
gangue gangue iChaCha
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Glossary of Mining Terms Coal Education
Butt entry A coal mining term that has different meanings in different locations It can be synonymous with panel entry submain entry or in its older sense it refers to an entry that is butt onto the coal cleavage that is at right angles to the face C Cage In a mine shaft the device similar to an elevator car that is used for hoisting personnel and materials Calorific value