煤矸石的綜合利用現(xiàn)狀

煤矸石的綜合利用現(xiàn)狀一、本文概述Overviewofthisarticle煤矸石，作為煤炭開采和洗選過程中產(chǎn)生的固體廢棄物，長期以來被視為一種環(huán)境負擔。然而，隨著環(huán)保意識的提升和科技的進步，煤矸石的綜合利用逐漸受到人們的關注。本文旨在全面概述煤矸石的綜合利用現(xiàn)狀，從煤矸石的來源、性質出發(fā)，探討其在環(huán)境保護、能源利用、材料制備等多個領域的應用，并深入分析其利用過程中存在的問題與挑戰(zhàn)。通過本文的闡述，旨在為讀者提供一個關于煤矸石綜合利用現(xiàn)狀的全面視角，為未來的研究和實踐提供有益的參考。Coalgangue,asasolidwastegeneratedduringcoalminingandwashingprocesses,haslongbeenregardedasanenvironmentalburden.However,withtheimprovementofenvironmentalawarenessandtechnologicalprogress,thecomprehensiveutilizationofcoalganguehasgraduallyattractedpeople'sattention.Thisarticleaimstoprovideacomprehensiveoverviewofthecurrentsituationofcomprehensiveutilizationofcoalgangue.Startingfromthesourcesandpropertiesofcoalgangue,itexploresitsapplicationsinmultiplefieldssuchasenvironmentalprotection,energyutilization,andmaterialpreparation,anddeeplyanalyzestheproblemsandchallengesinitsutilizationprocess.Thepurposeofthisarticleistoprovidereaderswithacomprehensiveperspectiveonthecurrentsituationofcomprehensiveutilizationofcoalgangue,andtoprovideusefulreferencesforfutureresearchandpractice.二、煤矸石的性質和分類Thepropertiesandclassificationofcoalgangue煤矸石是煤炭開采和洗選過程中產(chǎn)生的固體廢棄物，其性質和分類對于其綜合利用具有重要的指導意義。Coalgangueisasolidwastegeneratedduringcoalminingandwashingprocesses,anditspropertiesandclassificationhaveimportantguidingsignificanceforitscomprehensiveutilization.煤矸石主要由巖石碎片、礦物雜質和少量煤炭組成，其物理性質如顏色、密度、硬度等因成分不同而異。一般來說，煤矸石的顏色從灰白到黑色不等，密度較低，硬度中等。煤矸石的化學性質則主要取決于其礦物成分，常見的礦物雜質包括氧化鋁、二氧化硅、氧化鐵等。煤矸石還可能含有一定量的有害元素，如硫、磷、砷等，這些元素的存在對煤矸石的綜合利用帶來了一定的挑戰(zhàn)。Coalgangueismainlycomposedofrockfragments,mineralimpurities,andasmallamountofcoal,anditsphysicalpropertiessuchascolor,density,hardness,etc.varydependingonitscomposition.Generallyspeaking,thecolorofcoalganguerangesfromgraywhitetoblack,withlowdensityandmoderatehardness.Thechemicalpropertiesofcoalganguemainlydependonitsmineralcomposition,andcommonmineralimpuritiesincludealumina,silica,ironoxide,etc.Coalganguemayalsocontainacertainamountofharmfulelements,suchassulfur,phosphorus,arsenic,etc.,whichposecertainchallengestothecomprehensiveutilizationofcoalgangue.巖石型煤矸石：主要由巖石碎片組成，與煤炭的關聯(lián)度較低，通常呈灰白色，硬度較高。Rocktypecoalgangue:mainlycomposedofrockfragments,withlowcorrelationwithcoal,usuallygraywhiteincolor,andhighhardness.炭質型煤矸石：含有一定量的煤炭成分，顏色較黑，密度較低，硬度適中。Charcoalgangue:containingacertainamountofcoalcomponents,withablackcolor,lowdensity,andmoderatehardness.混合型煤矸石：由巖石碎片、礦物雜質和煤炭混合而成，性質較為復雜，顏色、密度和硬度均有一定變化。Mixedcoalgangue:composedofrockfragments,mineralimpurities,andcoal,withcomplexpropertiesandvaryingcolors,densities,andhardness.了解煤矸石的性質和分類對于其綜合利用至關重要，不同的煤矸石類型適合不同的利用方式，如作為建筑材料、土壤改良劑、能源利用等。因此，在煤矸石的綜合利用過程中，需要對其進行詳細的性質分析和分類，以便選擇最合適的利用途徑。Understandingthepropertiesandclassificationofcoalgangueiscrucialforitscomprehensiveutilization.Differenttypesofcoalganguearesuitablefordifferentutilizationmethods,suchasbeingusedasbuildingmaterials,soilamendments,energyutilization,etc.Therefore,inthecomprehensiveutilizationprocessofcoalgangue,itisnecessarytoconductdetailedpropertyanalysisandclassificationinordertoselectthemostsuitableutilizationpath.三、煤矸石綜合利用的現(xiàn)狀Thecurrentsituationofcomprehensiveutilizationofcoalgangue煤矸石的綜合利用已經(jīng)成為我國資源循環(huán)利用和環(huán)境保護的重要一環(huán)。隨著科技進步和環(huán)保政策的推動，煤矸石的綜合利用方式日趨多樣化，效率也在不斷提高。目前，煤矸石主要用于發(fā)電、建筑材料制造、土地復墾以及化工原料生產(chǎn)等領域。ThecomprehensiveutilizationofcoalganguehasbecomeanimportantpartofresourcerecyclingandenvironmentalprotectioninChina.Withtheadvancementoftechnologyandthepromotionofenvironmentalpolicies,thecomprehensiveutilizationofcoalgangueisbecomingincreasinglydiverse,andtheefficiencyisalsoconstantlyimproving.Atpresent,coalgangueismainlyusedinfieldssuchaspowergeneration,buildingmaterialmanufacturing,landreclamation,andchemicalrawmaterialproduction.在發(fā)電方面，煤矸石發(fā)電已成為一種重要的能源利用方式。通過燃燒煤矸石產(chǎn)生的熱能可以轉化為電能，不僅實現(xiàn)了能源的再利用，而且減少了環(huán)境污染。同時，煤矸石發(fā)電過程中產(chǎn)生的廢氣、廢渣等也可以進行進一步的治理和利用。Intermsofpowergeneration,coalganguepowergenerationhasbecomeanimportantwayofenergyutilization.Thethermalenergygeneratedbyburningcoalganguecanbeconvertedintoelectricalenergy,whichnotonlyachievesenergyreusebutalsoreducesenvironmentalpollution.Atthesametime,thewastegasandslaggeneratedduringthecoalganguepowergenerationprocesscanalsobefurthertreatedandutilized.在建筑材料制造方面，煤矸石經(jīng)過破碎、篩分等處理后，可以作為原料生產(chǎn)煤矸石磚、煤矸石混凝土等建筑材料。這些材料具有環(huán)保、強度高、成本低等優(yōu)點，在建筑行業(yè)中得到了廣泛應用。Inthemanufacturingofbuildingmaterials,coalganguecanbeusedasrawmaterialstoproducebuildingmaterialssuchascoalganguebricksandcoalgangueconcreteafterbeingcrushed,screened,andothertreatments.Thesematerialshaveadvantagessuchasenvironmentalprotection,highstrength,andlowcost,andhavebeenwidelyusedintheconstructionindustry.在土地復墾方面，煤矸石可以作為土壤改良劑使用。經(jīng)過一定的處理，煤矸石可以改善土壤結構，提高土壤肥力，為土地復墾和生態(tài)修復提供有利條件。Intermsoflandreclamation,coalganguecanbeusedasasoilamendment.Aftercertaintreatment,coalganguecanimprovesoilstructure,increasesoilfertility,andprovidefavorableconditionsforlandreclamationandecologicalrestoration.煤矸石還可以作為化工原料進行利用。通過提取煤矸石中的有用元素，可以生產(chǎn)化肥、氧化鋁等化工產(chǎn)品，實現(xiàn)了煤矸石的高值化利用。Coalganguecanalsobeusedasachemicalrawmaterialforutilization.Byextractingusefulelementsfromcoalgangue,chemicalproductssuchasfertilizersandaluminacanbeproduced,achievinghigh-valueutilizationofcoalgangue.雖然煤矸石的綜合利用已經(jīng)取得了一定的成果，但仍存在一些問題和挑戰(zhàn)。例如，煤矸石的成分復雜，不同地區(qū)的煤矸石性質差異較大，給綜合利用帶來了困難。煤矸石的綜合利用技術還有待進一步提高，以降低成本、提高效率。Althoughthecomprehensiveutilizationofcoalganguehasachievedcertainresults,therearestillsomeproblemsandchallenges.Forexample,thecompositionofcoalgangueiscomplex,andthepropertiesofcoalganguevarygreatlyindifferentregions,whichposesdifficultiesforcomprehensiveutilization.Thecomprehensiveutilizationtechnologyofcoalganguestillneedsfurtherimprovementtoreducecostsandimproveefficiency.煤矸石的綜合利用現(xiàn)狀呈現(xiàn)出多元化、高效化的發(fā)展趨勢。未來，隨著科技的不斷進步和環(huán)保政策的持續(xù)推動，煤矸石的綜合利用將更加深入、廣泛，為實現(xiàn)資源循環(huán)利用和環(huán)境保護做出更大貢獻。Thecurrentsituationofcomprehensiveutilizationofcoalgangueshowsadiversifiedandefficientdevelopmenttrend.Inthefuture,withthecontinuousprogressoftechnologyandthecontinuouspromotionofenvironmentalpolicies,thecomprehensiveutilizationofcoalganguewillbemorein-depthandextensive,makinggreatercontributionstoachievingresourcerecyclingandenvironmentalprotection.四、煤矸石綜合利用的技術進展和挑戰(zhàn)Technologicalprogressandchallengesinthecomprehensiveutilizationofcoalgangue隨著全球能源結構的轉型和環(huán)保意識的日益增強，煤矸石的綜合利用逐漸成為了煤炭工業(yè)可持續(xù)發(fā)展的關鍵所在。近年來，煤矸石的綜合利用技術取得了顯著的進展，但仍面臨著一系列挑戰(zhàn)。Withthetransformationoftheglobalenergystructureandtheincreasingawarenessofenvironmentalprotection,thecomprehensiveutilizationofcoalganguehasgraduallybecomethekeytothesustainabledevelopmentofthecoalindustry.Inrecentyears,significantprogresshasbeenmadeinthecomprehensiveutilizationtechnologyofcoalgangue,butitstillfacesaseriesofchallenges.技術進展方面，煤矸石的綜合利用已經(jīng)從傳統(tǒng)的填埋、堆放等低值利用方式，逐步轉向高效、清潔、高值化的利用方向。例如，煤矸石中的碳、硫、鋁、鐵等元素得到了有效的回收利用，通過提取有價值的礦物元素，煤矸石被加工成各種化工產(chǎn)品、建材原料和肥料等。煤矸石還被用于發(fā)電、供熱等領域，實現(xiàn)了能源的高效利用。同時，隨著科技的進步，新型的煤矸石綜合利用技術不斷涌現(xiàn)，如煤矸石制磚、煤矸石制陶粒等，進一步提高了煤矸石的附加值。Intermsoftechnologicalprogress,thecomprehensiveutilizationofcoalganguehasgraduallyshiftedfromtraditionallowvalueutilizationmethodssuchaslandfillandstackingtoefficient,clean,andhigh-valueutilization.Forexample,elementssuchascarbon,sulfur,aluminum,andironincoalgangueareeffectivelyrecycledandutilized.Byextractingvaluablemineralelements,coalgangueisprocessedintovariouschemicalproducts,buildingmaterials,andfertilizers.Coalgangueisalsousedinfieldssuchaspowergenerationandheating,achievingefficientenergyutilization.Atthesametime,withtheadvancementoftechnology,newcomprehensiveutilizationtechnologiesforcoalganguecontinuetoemerge,suchasmakingbricksfromcoalgangueandceramicparticlesfromcoalgangue,furtherimprovingtheaddedvalueofcoalgangue.然而，煤矸石綜合利用仍面臨著諸多挑戰(zhàn)。煤矸石的成分復雜多變，不同地區(qū)的煤矸石性質差異較大，這給煤矸石的綜合利用帶來了技術上的難度。煤矸石綜合利用的成本較高，尤其是在提取有價值元素和加工高端產(chǎn)品方面，需要投入大量的資金和技術。煤矸石綜合利用過程中產(chǎn)生的環(huán)境問題也不容忽視，如廢水、廢氣、廢渣等污染物的處理和排放問題，需要采取相應的環(huán)保措施加以解決。However,thecomprehensiveutilizationofcoalganguestillfacesmanychallenges.Thecompositionofcoalgangueiscomplexandvariable,andthepropertiesofcoalganguevarygreatlyindifferentregions,whichbringstechnicaldifficultiestothecomprehensiveutilizationofcoalgangue.Thecostofcomprehensiveutilizationofcoalgangueisrelativelyhigh,especiallyinextractingvaluableelementsandprocessinghigh-endproducts,whichrequiresasignificantinvestmentoffundsandtechnology.Theenvironmentalproblemsgeneratedduringthecomprehensiveutilizationofcoalganguecannotbeignored,suchasthetreatmentanddischargeofpollutantssuchaswastewater,exhaustgas,andwasteresidue,whichrequirecorrespondingenvironmentalprotectionmeasurestobetakentosolve.為了推動煤矸石綜合利用的進一步發(fā)展，需要加強技術研發(fā)和創(chuàng)新，提高煤矸石綜合利用的技術水平和附加值。還需要加強政策引導和支持，鼓勵企業(yè)加大投入，推動煤矸石綜合利用的產(chǎn)業(yè)化發(fā)展。還需要加強環(huán)保監(jiān)管和治理，確保煤矸石綜合利用過程中的環(huán)保問題得到有效解決。Inordertopromotethefurtherdevelopmentofcomprehensiveutilizationofcoalgangue,itisnecessarytostrengthentechnologicalresearchandinnovation,improvethetechnicallevelandaddedvalueofcomprehensiveutilizationofcoalgangue.Wealsoneedtostrengthenpolicyguidanceandsupport,encourageenterprisestoincreaseinvestment,andpromotetheindustrialdevelopmentofcomprehensiveutilizationofcoalgangue.Wealsoneedtostrengthenenvironmentalsupervisionandgovernancetoensurethatenvironmentalissuesinthecomprehensiveutilizationofcoalgangueareeffectivelyaddressed.煤矸石的綜合利用在技術進展和環(huán)境保護方面取得了積極的成果，但仍需要繼續(xù)加大技術研發(fā)和創(chuàng)新力度，解決存在的挑戰(zhàn)和問題，以實現(xiàn)煤矸石的高效、清潔、高值化利用。Thecomprehensiveutilizationofcoalganguehasachievedpositiveresultsintechnologicalprogressandenvironmentalprotection,butitisstillnecessarytocontinuetoincreasetechnologicalresearchandinnovationefforts,solveexistingchallengesandproblems,andachieveefficient,clean,andhigh-valueutilizationofcoalgangue.五、煤矸石綜合利用的政策和法規(guī)Policiesandregulationsforthecomprehensiveutilizationofcoalgangue隨著環(huán)保意識的日益增強和資源的日益緊缺，煤矸石的綜合利用受到了國家和地方政府的廣泛關注。為了推動煤矸石的有效利用，各級政府制定了一系列政策和法規(guī)，為煤矸石的綜合利用提供了有力的支持。Withtheincreasingawarenessofenvironmentalprotectionandtheincreasingscarcityofresources,thecomprehensiveutilizationofcoalganguehasreceivedwidespreadattentionfromnationalandlocalgovernments.Inordertopromotetheeffectiveutilizationofcoalgangue,governmentsatalllevelshaveformulatedaseriesofpoliciesandregulations,providingstrongsupportforthecomprehensiveutilizationofcoalgangue.國家層面，政府出臺了一系列針對煤矸石綜合利用的優(yōu)惠政策，包括財政補貼、稅收減免、貸款優(yōu)惠等。這些政策旨在鼓勵企業(yè)加大對煤矸石綜合利用的投入，提高煤矸石的利用率，減少對環(huán)境的影響。同時，政府還加強了對煤矸石綜合利用的技術研發(fā)和推廣，以提高煤矸石的綜合利用效率和經(jīng)濟效益。Atthenationallevel,thegovernmenthasintroducedaseriesofpreferentialpoliciesforthecomprehensiveutilizationofcoalgangue,includingfinancialsubsidies,taxreductions,andloanincentives.Thesepoliciesaimtoencourageenterprisestoincreaseinvestmentinthecomprehensiveutilizationofcoalgangue,improvetheutilizationrateofcoalgangue,andreduceitsimpactontheenvironment.Atthesametime,thegovernmenthasalsostrengthenedtheresearchandpromotionoftechnologyforthecomprehensiveutilizationofcoalgangue,inordertoimprovethecomprehensiveutilizationefficiencyandeconomicbenefitsofcoalgangue.地方政府也結合本地實際情況，制定了一系列具體的煤矸石綜合利用政策和法規(guī)。例如，一些地區(qū)對煤矸石的綜合利用企業(yè)給予用地、用電、用水等方面的優(yōu)惠政策，降低企業(yè)運營成本。同時，地方政府還加強了對煤矸石綜合利用的監(jiān)管和管理，確保企業(yè)按照相關法規(guī)和標準進行生產(chǎn)和運營。Localgovernmentshavealsoformulatedaseriesofspecificpoliciesandregulationsforthecomprehensiveutilizationofcoalganguebasedonlocalconditions.Forexample,someregionsofferpreferentialpoliciesintermsofland,electricity,andwatertoenterprisesengagedinthecomprehensiveutilizationofcoalgangue,inordertoreducetheiroperatingcosts.Atthesametime,localgovernmentshavealsostrengthenedsupervisionandmanagementofthecomprehensiveutilizationofcoalgangue,ensuringthatenterprisesproduceandoperateinaccordancewithrelevantregulationsandstandards.政府還積極推動煤矸石綜合利用的產(chǎn)學研合作，加強技術研發(fā)和成果轉化。通過與高校、科研機構的合作，推動煤矸石綜合利用技術的不斷創(chuàng)新和升級，提高煤矸石的綜合利用水平和附加值。Thegovernmentalsoactivelypromotesindustryuniversityresearchcooperationinthecomprehensiveutilizationofcoalgangue,strengthenstechnologicalresearchanddevelopment,andtransformsachievements.Throughcooperationwithuniversitiesandresearchinstitutions,weaimtopromotecontinuousinnovationandupgradingofcoalganguecomprehensiveutilizationtechnology,andimprovethelevelandaddedvalueofcoalganguecomprehensiveutilization.政策和法規(guī)在推動煤矸石綜合利用方面發(fā)揮了重要作用。未來，隨著環(huán)保要求的不斷提高和資源利用效率的不斷提升，政府將繼續(xù)加大對煤矸石綜合利用的支持力度，推動煤矸石綜合利用行業(yè)的健康發(fā)展。Policiesandregulationshaveplayedanimportantroleinpromotingthecomprehensiveutilizationofcoalgangue.Inthefuture,withthecontinuousimprovementofenvironmentalprotectionrequirementsandresourceutilizationefficiency,thegovernmentwillcontinuetoincreaseitssupportforthecomprehensiveutilizationofcoalgangue,promotingthehealthydevelopmentofthecoalganguecomprehensiveutilizationindustry.六、煤矸石綜合利用的前景和展望Theprospectsandprospectsofcomprehensiveutilizationofcoalgangue煤矸石的綜合利用，不僅關乎資源的高效利用，更對環(huán)境保護和可持續(xù)發(fā)展具有深遠影響。隨著全球對清潔能源和環(huán)保技術的日益關注，煤矸石的綜合利用前景十分廣闊。Thecomprehensiveutilizationofcoalganguenotonlyconcernstheefficientutilizationofresources,butalsohasaprofoundimpactonenvironmentalprotectionandsustainabledevelopment.Withtheincreasingglobalattentiontocleanenergyandenvironmentalprotectiontechnologies,thecomprehensiveutilizationprospectsofcoalgangueareverybroad.在能源領域，煤矸石可以作為一種補充能源使用，通過高效燃燒技術，將其轉化為電力或熱能，滿足社會的能源需求。隨著科技的進步，煤矸石還可以作為生物質能源的來源，通過氣化、液化等技術，實現(xiàn)能源的高效轉化和利用。Inthefieldofenergy,coalganguecanbeusedasasupplementaryenergysource,andthroughefficientcombustiontechnology,itcanbeconvertedintoelectricityorheatenergytomeettheenergyneedsofsociety.Withtheadvancementoftechnology,coalganguecanalsobeusedasasourceofbiomassenergy,achievingefficientconversionandutilizationofenergythroughtechnologiessuchasgasificationandliquefaction.在環(huán)保領域，煤矸石的綜合利用對于減少環(huán)境污染、改善土壤質量具有重要意義。通過合理的處理和利用，煤矸石中的有害物質可以得到有效去除，同時，其富含的微量元素和有機質可以為土壤提供養(yǎng)分，促進生態(tài)恢復。Inthefieldofenvironmentalprotection,thecomprehensiveutilizationofcoalgangueisofgreatsignificanceforreducingenvironmentalpollutionandimprovingsoilquality.Throughreasonabletreatmentandutilization,harmfulsubstancesincoalganguecanbeeffectivelyremoved.Atthesametime,itsrichtraceelementsandorganicmattercanprovidenutrientsforthesoilandpromoteecologicalrestoration.再者，在材料領域，煤矸石可以作為一種重要的工業(yè)原料，用于生產(chǎn)建筑材料、陶瓷、肥料等產(chǎn)品。通過研究和開發(fā)新型材料制備技術，煤矸石的綜合利用價值將得到進一步提升。Furthermore,inthefieldofmaterials,coalganguecanbeusedasanimportantindustrialrawmaterialfortheproductionofbuildingmaterials,ceramics,fertilizers,andotherproducts.Byresearchinganddevelopingnewmaterialpreparationtechnologies,thecomprehensiveutilizationvalueofcoalganguewillbefurtherenhanced.展望未來，煤矸石的綜合利用將更加注重環(huán)保、高效和可持續(xù)發(fā)展。一方面，隨著環(huán)保法規(guī)的日益嚴格，煤矸石的處理和利用將更加規(guī)范，以減少對環(huán)境的影響。另一方面，隨著技術的進步和成本的降低，煤矸石的綜合利用將更加經(jīng)濟可行，為社會創(chuàng)造更多的價值。Lookingaheadtothefuture,thecomprehensiveutilizationofcoalganguewillplacegreateremphasisonenvironmentalprotection,efficiency,andsustainabledevelopment.Ontheonehand,withtheincreasinglystrictenvironmentalregulations,thetreatmentandutilizationofcoalganguewillbemorestandardizedtoreduceitsimpactontheenvironment.Ontheotherhand,withtheadvancementoftechnologyandthereductionofcosts,thecomprehensiveutilizationofcoalganguewillbecomemoreeconomicallyfeasible,creatingmorevalueforsociety.煤矸石的綜合利用前景廣闊，具有巨大的發(fā)展?jié)摿?。通過加強技術研發(fā)、完善政策體系、推動產(chǎn)業(yè)創(chuàng)新等措施，我們可以進一步推動煤矸石的綜合利用，實現(xiàn)資源的高效利用和環(huán)境的可持續(xù)發(fā)展。Thecomprehensiveutilizationofcoalganguehasbroadprospectsandenormousdevelopmentpotential.Bystrengtheningtechnologicalresearchanddevelopment,improvingpolicysystems,andpromotingindustrialinnovation,wecanfurtherpromotethecomprehensiveutilizationofcoalgangue,achieveefficientresourceutilization,andsustainableenvironmentaldevelopment.七、結論Conclusion煤矸石作為煤炭開采和洗選過程中產(chǎn)生的固體廢棄物，其綜合利用不僅關乎環(huán)境保護和資源循環(huán)利用，更是煤炭產(chǎn)業(yè)可持續(xù)發(fā)展的重要一環(huán)。通過對煤矸石的綜合利用現(xiàn)狀進行深入分析，我們可以清晰地看到，當前煤矸石在多個領域都有著廣泛的應用。Asasolidwastegeneratedduringcoalminingandwashing,thecomprehensiveutilizationofcoalgangueisnotonlyrelatedtoenvironmentalprotectionandresourcerecycling,butalsoanimportantpartofthesustainabledevelopmentofthecoalindustry.Throughin-depthanalysisofthecurrentsituationofcomprehensiveutilizationofcoalgangue,wecanclearlyseethatcoalgangueiswidelyusedinmultiplefields.在能源利用方面，煤矸石發(fā)電已經(jīng)成為重要的能源補充，其低熱值特性使得煤矸石發(fā)電成為可行的能源利用方式。煤矸石還可以作為燃料用于工業(yè)鍋爐和民用取暖，有效減少了對傳統(tǒng)能源的依賴。Intermsofenergyutilization,coalganguepowergenerationhasbecomeanimportantenergysupplement,anditslowcalorificvaluecharacteristicsmakecoalganguepowergenerationafeasibl