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

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

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

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

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

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