3 edition of Utilization of coal combustion by-products for in situ treatment of acidic mine waters found in the catalog.
Utilization of coal combustion by-products for in situ treatment of acidic mine waters
Geoffrey A. Canty
Published
1999
by Graduate College, University of Oklahoma in Norman, OK
.
Written in English
Edition Notes
| Statement | by Geoffrey A. Canty |
| The Physical Object | |
|---|---|
| Format | Electronic resource |
| Pagination | xvii, 340 l. |
| Number of Pages | 340 |
| ID Numbers | |
| Open Library | OL22251057M |
“The Use of Coal-Combustion By-Products for In Situ Treatment of Acid Mine Drainage,” presented at the Annual Meeting of the American Society for Surface Mining and Reclamation, Lexington, Ky. Porter, C. M., and R. W. Nairn. The huge amount of WW released by coal washeries (approximately – m 3 of effluent each day per plant) can be treated for reuse in coal washing and to reduce fresh water consumption, because, as per estimates, every tonnes of coal requires 6 × 10 .
Coal utilization technologies in the U.S. industrial sector today fall into two main categories—coke plants that produce high-purity carbon for use in steel making, and combustion technologies that use coal to provide heat and power for industrial process operations. In addition, a small amount of coal is currently used to produce substitute. Canty GA () Utilization of coal combustion by-products for in situ treatment of acidic mine waters (Doctoral dissertation) Google Scholar. Casiot C, Egal M, Elbaz-Poulichet F, Bruneel O, Bancon-Montigny C, Cordier MA et al () Hydrological and geochemical control of metals and arsenic in a Mediterranean river contaminated by acid mine.
“The Use of Coal-Combustion By-Products for In Situ Treatment of Acid Mine Drainage presented at the,” Annual Meeting of the American Society for Surface Mining and Reclamation, Lexington, Ky. Porter, C. M., and R. W. Nairn. “Ecosystem Functions within a Mine Drainage Passive Treatment System,” Ecological Engineering 32(4): – Coal combustion residuals, commonly known as coal ash, are created when coal is burned by power plants to produce electricity. Coal ash is one of the largest types of industrial waste generated in the United States. In , coal-fired electric utilities generated about million tons of coal ash.
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Coal combustion by-products (CCBs), including boiler slag, bottom ash, fly ash and flue gas desulphurisation (FGD) material, are solid residues that remain after the burning of coal (Kalyoncu and Olson,Scheetz and Earle, ).The global production of CCBs in was million tonnes with China as the largest producer followed by Russia and the USA ().Cited by: R.A.
Kruger, in Coal Combustion Products (CCP's), Utilization in South Africa. Coal combustion accounts for 85% of the electrical power generated in South Africa. The state-owned enterprise (Eskom) supplies 95% of the electrical power. A total of 35 Mt of coal ash (29 Mt fly ash and 6 Mt bottom ash) is generated, but only Mt ( Mt fly ash and Mt bottom ash) are available.
The Use of Coal Combustion By-Products for In Situ Treatment of Acid Mine Drainage FINAL REPORT Prepared For: Combustion By-Product Recycling Consortium (CBRC) CBRC Project # ECW (Subcontract # UND Western Region) Prepared By Geoffrey A. Canty, Ph.D. CC Environmental, PO Box Norman, OK Jess W.
Everett, Ph.D., P.E. At the Copper Basin site in Tennessee both in situ and ex situ treatment with hydrated lime have been employed at the pit lake to treat North Potato Creek (which flows through the upper levels of the pit and discharges into Ocoee River) and highly acidic mine water from.
the use of coal combustion by-products for in situ treatment of acid mine drainage Article (PDF Available) January with 35 Reads How we measure 'reads'. The acidic waters which are referred to as acid mine drainage (AMD) result when coal seams and other pyrite containing rocks are exposed to air and water causing production of sulfuric acid (H 2.
Coal Combustion Products (CCPs): Their Nature, Utilization and Beneficiation is a valuable resource for engineers and scientists from the coal, cement, concrete, and construction industries seeking an in-depth guide to the characteristics, utilization, beneficiation, and environmental impacts of coal combustion chers in universities working in this area will also find much to.
Normally fuels other than coal have defined hydrocarbons which means C & H in fuel does not very much. Coal is a heterogeneous fuel and has only an assumed structure of C & H and varies highly from mine to mine and even in the same mine from seam to seam.; C & H in coal can be known only after carrying out ultimate analysis moreover the way in which these hydrocarbons will behave will depend.
Coal Combustion. CCW are coded under category 10 (wastes from thermal processes), subcategory 10 01 (wastes from power stations and other combustion plants (except 19), codes 10 01 01, 10 01 02, 10 01 05 and 10 01 07, which comprise slag, BA and FA from hard coal and lignite, as well as FGDS.
Bhupinder Dhir, in Bio-Geotechnologies for Mine Site Rehabilitation, Abstract. Acid mine drainage (AMD), a waste from mining sites is highly acidic, rich source of sulfate and heavy metals.
Conventional technologies for treatment of AMD include various physicochemical methods, which involve excessive use of chemicals and capital. Process Chemistry of Coal Utilization: Reaction Mechanisms for Coal Decomposition and Volatiles Conversion relates major advances in coal science on how to interpret performance data from lab, pilot and commercial book presents a very broad range of quantitative methods, from statistical regressions, to rudimentary models, CFD and comprehensive reaction mechanisms.
Acid mine drainage, acid and metalliferous drainage (AMD), or acid rock drainage (ARD) is the outflow of acidic water from metal mines or coal mines. Acid rock drainage occurs naturally within some environments as part of the rock weathering process but is exacerbated by large-scale earth disturbances characteristic of mining and other large construction activities, usually within rocks.
Please contact [email protected] or call (M – Th 9 am – pm and F 9 am – 3 pm. ET), to start a free trial, get pricing information, order a reprint, or post an. This was followed by Huainan coal mine in Anhui Province, where CMM was used for internal combustion engine and later for electric power generation (IEA, ).
Intwo coal mines in Sichuan Province used CMM for power generation with expanded use in other coal mines in Liaoning and Shanxi Provinces in An American Recycling Success Story: Beneficial Use Of Coal Combustion Products.
Production and Use Survey Results News Release. ACAA CCP Survey Results and Production & Use Charts. ACAA CCP Survey Results and Production & Use Charts. ACAA CCP Survey Results and Production & Use Charts.
ACAA CCP Survey Results and. Acid mine drainage (AMD) occurs after mining exposes metal sulfides to oxidizing conditions. Leaching of reaction products into surface waters pollute o km of streams in the USA alone. Coal utilization, combustion of coal or its conversion into useful solid, gaseous, and liquid products.
By far the most important use of coal is in combustion, mainly to provide heat to the boilers of electric power plants. Metallurgical coke is the major product of coal conversion. In addition, techniques for gasifying and liquefying coal into fuels or into feedstocks for the chemical.
Previous studies show that in-situ treatment of acid mine drainage combustion by-products (CCBs) such as CFA is evaluated by Application of Coal Fly Ash to Circumneutral Mine Waters.
Coal utilization - Coal utilization - Coal combustion: The most common and important use of coal is in combustion, in which heat is generated to produce steam, which in turn powers the turbines that produce electricity.
Combustion for electricity generation by utilities is the end use for 86 percent of the coal mined in the United States. The main chemical reactions that contribute to heat. Two pilot plant products containing 65 and 45% NaP1 zeolite were obtained from two Spanish coal fly ashes (Narcea and Teruel Power Station, respectively).
The zeolitic product obtained showed a cation exchange capacity (CEC) of and mequiv/g, respectively. Decontamination tests of three acid mine waters from southwestern Spain were carried out using the zeolite derived from fly.
Coal utilization - Coal utilization - Gasification: While the goal of combustion is to produce the maximum amount of heat possible by oxidizing all the combustible material, the goal of gasification is to convert most of the combustible solids into combustible gases such as carbon monoxide, hydrogen, and methane.
During gasification, coal initially undergoes devolatilization, and the residual.The use of ashes from coal combustion is still limited in Brazil, but such residues have a potential use as neutralizing agent for acid mine drainage.
This study intended to evaluate [email protected]{osti_, title = {Passive treatment of acid mine drainage using coal combustion by-products and spent mushroom substrate: Results of column study}, author = {Crisp, T E and Nairn, R W and Strevett, K A and Everett, J}, abstractNote = {A column study was conducted to evaluate the feasibility of using of coal combustion by-products (CCB) as alkaline materials in a field scale.
