coal as received basis

Knowledge is PowerKnow More

Jan 10 2008 0183 32 Energy Source for Cement Kilns KIS KISPL meets coal quality specification for Cement Production JANUARY 10 2008 NEW DELHI The two basic processes in cement production are the wet and dry processes which are named after the manner in which the raw mix is introduced into the kiln In the wet process the mix is introduced into the kiln as a slurry with 20-40 moisture...

Coal Conversion FactsKnow More

Coal Conversion Facts Bases of Analysis Definitions As Received AR - includes total moisture TM Air Dried AD - includes inherent equilibrium moisture IM only Dry Basis DB - exludes all moisture Dry Ash Free DAF - exludes all moisture and ash The proximate analysis of any coal the contents of Ash Volatiles Fixed Carbon also...

Moisture Correction for Coal AnalysisKnow More

Moisture in coal varies from the point where it is received to the point where it enters the boiler The variation in the moisture affects the reported heating value and analysis The laboratory analysis is required to be corrected to the actual moisture content in the field Methods for applying these corrections are explained here...

Coal CompositionKnow More

As shown in Figure 522 the dry ash-free basis in all the analytical results indicates a higher adsorbed gas eg methane or ideal storage capacity than as-received basis for any given pressure The high moisture content of the coal analyzed on as-received basis is interpreted to...

Chapter 7 COALKnow More

coal On a weight basis carbon is the predominant one It constitutes about 60 to about 95 of the total For most coals of 90 or less carbon hydrogen content is generally in the range of 5 it drops to about 2 for coals having 95 carbon Nitrogen content of 118 CHAPTER 7...

Coal ConversionsKnow More

To Calculate Btu Dry Basis from as Received Btu Dry Basis = Btu/lb as Received 247 1 - M Example If Btu/lb as received = 12 500 and Moisture = 8 then Btu Dry Basis = 12 500 247 92 = 13 587 To Calculate Btu as Received from Dry Basis Btu as Received = Btu/lb Dry Basis 1 - M Example If Btu/lb Dry Basis = 13 500 and Moisture = 8...

Solved On An as Received Basis The Proximate AnalysisKnow More

On an as received basis the proximate analysis of a representative coal from the Semirara plant is 32 VCM 53 FC 10 ash 12 N and 62 S Its calorific value is 2378 MJ/kg On the assumption that this coal is burnt with 150 excess air so that the molal ratio of CO2 to CO is 5 1 calculate a m 3 dry air at 25 deg C 750 mmhg/kg coal...

Coal Marketing InternationalKnow More

Calorific Value Air Dried Basis Volatile Matter Dry Ash Free Volatile Matter Air Dried Basis Hydrogen As Received Volatile Matter Calorific Value Net As Received...

Improving the Thermal Efficiency of CoalKnow More

As Received basis - coalUA_N Input numeric Coal Ultimate Analysis percent Nitrogen As Received basis - CInAsh_MRat Input numeric Ash analysis percent Unburn Carbon - coalAsh_Resistivity Input numeric Ash analysis Resistivity - coalAsh_Na2O Input numeric Ash analysis Na2O...

Converting from DryKnow More

May 13 2008 0183 32 See the worksheet Converting Nutrient Content of Wastes from a Dry-Weight Basis to an As-Received or Wet Basis Note Most waste analyses show P and K elementally however you must convert P and K to their oxide form P 2 O 5 and K 2 O Be sure to include a copy of this worksheet and a copy of the lab report in the nutrient management plan...

Proximate and Ultimate Analysis of Power Plant CoalKnow More

As received basis Air dry basis Dry basis Dry and ash free basis As received means as it has come Calculation of CV of coal based on proximate analysis gives very rough estimate of calorific value of coal but is used for deciding the grade of coal and formula adopted by Coal India is as below...

What are coal ARB and ADBKnow More

As received basis arb What gcv of coal is it when it s gar is 3600 to3800 GAR is 100-total moisture / 100-inherent moisture x Calorific Value in ADB So all depends on the moisture...

Coal Calculations SGS IndiaKnow More

AR is As Received Basis AD is As Determined Air Dried Basis Dry is Dry Basis DAF is Dry Ash Free Basis Two Stage Total Moisture Formula Refer to ASTM D3302 section 10 Two stage total moisture determination is used when the coal sample is too small mass or too wet to divide or crush without the potential of losing significant amounts of...

Specifications GuideKnow More

Jun 01 2020 0183 32 Asia-Pacific And Atlantic Thermal Coal Locations 5 US Thermal Coal Assessments 9 US Physical Thermal Coal Netbacks 11 US FOB assessment inputs 11 Forward Curve Assessments 14 Petroleum Coke Assessments 15 Petcoke Location 15 Clean Dark Spreads 17 Spot Dry Bulk Freight Assessments published in Coal Trader International 19...

Basis of coalKnow More

Basis of coal July01 Coal As received basis ar Analytic data calculated to the moisture condition of sample as it arrived at the laboratory and before any processing or conditioning If sample has been maintained in a sealed state so there has been no gain or loss the as received basis is equivalent to the moisture basis as sampled...

TNB FUEL SERVICES SDNKnow More

PROPERTY As Received Basis UNITS BASIS TYPICAL MIN MAX Calorific Value Kcal/kg AR Total Moisture AR Surface Moisture AR Ash AR Item Property Basis Unit Limit Value Coal for Mine Concession 1 Coal for Mine Concession 2 1 Gross Calorific Value As Received Kcal/kg Min...

COAL BASED THERMAL POWER PLANTS COAL GCV MEASURESKnow More

Dec 12 2011 0183 32 DMMF dry mineral-matter-free basis leaves out the presence of moisture and mineral matters in coal for example quartz pyrite calcite etc Mineral matter is not directly measured but may be obtained by one of a number of empirical formula based on the ultimate and proximate analysis...

Reckoner for all Coal ConversionsKnow More

The difference between net and gross as received NAR v/s GAR specific energy values is the latent heat of the water vapour which lowers the effective calorific value in the boiler convert coal enrgy from the given basis to desired basis Basic Conversion calculator CATEGORY FROM...

MAINTENANCE COALKnow More

1 Code for Uniform System of Maintenance Control and Verification of Coal Stock in all Mines of CIL - 1992 Yellow Book 2 New Code for Uniform System of Maintenance Control and Verification of Coal Stock in all Mines of CIL -2012 New Yellow Book 3 Recommendations of the committee of S/Shri R N Mishra G C Mrig U Kumar constituted by Chairman CIL vide office order reference CIL CH 65...

Supplying and Financing CoalKnow More

Supplying and Financing Coal-Fired Power Plants in the 35 GW Programme 3 01 Glossary ADB Air Dried Basis APBI Asosiasi Pertambangan Batubara Indonesia Indonesian Coal Mining Association arb As Received Basis ASEAN Association of South East Asian Nations baht Thailand Baht bcm Bank cubic metre bn Billion Capex Capital expenditure CCoW Coal Contract of Works CFPP Coal-Fired Power...

Coal Conversion FactsKnow More

Basis of Analysis Definitions As Received ar includes Total Moisture TM Air Dried ad includes Inherent Moisture IM only Dry Basis db excludes all Moisture Dry Ash Free daf excludes all Moisture Ash The Proximate Analysis of any coal ie the content of Moisture Ash A...

Coal Geology of Illinois IllinoisKnow More

areas of the individual coal seams Illinois coals with an ash content on an as-received basis of less than 6 are unusual On the other hand an ash content of more than 14 exclusive of readily discardable bedded impurities more than 3/8-in thick also is unusual The average ash content of Illinois coals is about midway...

Wanted Coal Buyer from South Korea Republic Of KoreaKnow More

The buyer would like to receive quotations for - Product Name Coal Specifications Sea Moss As received basis total moisture Mt =15 As received basis low calorific value Qnt ar 5000Kcal/kg Dry Ash Free volatile matter Vdaf = 30 Sulfur on dry basis St d =15 Ash melting point Softening temperature ST =1250 Hardgrove grind ability coefficient HGI =56 Quantity Required 100000 Metric...

Proximate AnalysisKnow More

It is directly related to rank which is expressed in terms of Btu/lb or kcal/kg or MJ/kg both on an as-received basis including moisture and on a dry basis In the ASTM method D3174 the coal sample is placed in a cold furnace and heated gradually so the temperature reaches 450 to 500 176 C in one hour and 700 to 750 176 C at the end of the second...

Methodology and Specifications Guide CoalKnow More

which are CIF delivery freight inclusive Steam coal is quoted on a GAR Gross As Received basis except for Europe/ARA Richards Bay 6 000 kcal/kg and Japan and Korea West CIF which are quoted on a NAR Net As Received basis Assessments reflect actual trading at the pricing point the Japan CIF assessment only is calculated from a...