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Статті в журналах з теми "Thermal power plants-Fly ash disposal"
Kumar, Nitish. "Experimental Investigation on Waste Utilization of Steel Fiber and Fly Ash in Concrete with Partially Replacement of Cement." International Journal for Research in Applied Science and Engineering Technology 9, no. 9 (September 30, 2021): 1643–46. http://dx.doi.org/10.22214/ijraset.2021.38222.
Повний текст джерелаSHARMA, GAYATRI, S. K. MEHLA, TARUN BHATNAGAR, and ANNU BAJAJ. "POSSIBLE USE OF FLY ASH IN CERAMIC INDUSTRIES: AN INNOVATIVE METHOD TO REDUCE ENVIRONMENTAL POLLUTION." International Journal of Modern Physics: Conference Series 22 (January 2013): 99–102. http://dx.doi.org/10.1142/s2010194513009975.
Повний текст джерелаMohammed, Bashar S., Ean Lee Woen, M. A. Malek, Wong Leong Sing, Nor Aishah Abbas, Hanafi Yusop, Rahsidi Sabri Muda, Mustafa Hashim, and Usoff Yong. "Development of Sediment Brick Utilizing Reservoir Sediment and Fly Ash." Applied Mechanics and Materials 420 (September 2013): 276–80. http://dx.doi.org/10.4028/www.scientific.net/amm.420.276.
Повний текст джерелаPatil, S. L., M. V. Baride, and M. Hussain. "Fly ash for soil nourishment: A case study for Brinjal and Groundnut." Environment Conservation Journal 11, no. 1&2 (June 18, 2010): 25–29. http://dx.doi.org/10.36953/ecj.2010.1205.
Повний текст джерелаVukićević, Mirjana, Zdenka Popović, Jovan Despotović, and Luka Lazarević. "Fly ash and slag utilization for the Serbian railway substructure." Transport 33, no. 2 (December 12, 2016): 389–98. http://dx.doi.org/10.3846/16484142.2016.1252427.
Повний текст джерелаPathak, Bhawana, Krishna Rawat, and M. H. Fulekar. "Heavy Metal Accumulation by Plant Species at Fly-Ash Dumpsites: Thermal Power Plant, Gandhinagar, Gujarat." INTERNATIONAL JOURNAL OF PLANT AND ENVIRONMENT 5, no. 02 (April 30, 2019): 111–16. http://dx.doi.org/10.18811/ijpen.v5i02.7.
Повний текст джерелаKanchan, Shubham, Vinit Kumar, Krishna Yadav, Neha Gupta, and Sandeep Arya. "Effect of Fly Ash Disposal on Ground Water Quality near Parichha Thermal Power Plant, Jhansi: A Case Study." Current World Environment 10, no. 2 (August 24, 2015): 572–80. http://dx.doi.org/10.12944/cwe.10.2.21.
Повний текст джерелаSingh, Nakshatra. "Fly Ash-Based Geopolymer Binder: A Future Construction Material." Minerals 8, no. 7 (July 12, 2018): 299. http://dx.doi.org/10.3390/min8070299.
Повний текст джерелаSreenivas, V. Naren, D. Karthik, V. Aravinth Kumar, V. D. Sidharth, T. Meenatchi Sundaram, Soumitro Sarkar, and Narayanan B. Sabarish. "Determination of Complex Permittivity of Fly Ash for Potential Electronic Applications." Applied Mechanics and Materials 110-116 (October 2011): 4292–96. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.4292.
Повний текст джерелаVasilovskaya, Galina V., Maria L. Berseneva, Alexandra A. Yakshina, Vadim V. Servatinsky, and Igor Ya Bogdanov. "Road Concrete Containing Coal Ashes of Thermal Power Stations Located in Krasnoyarsk." Key Engineering Materials 839 (April 2020): 160–65. http://dx.doi.org/10.4028/www.scientific.net/kem.839.160.
Повний текст джерелаДисертації з теми "Thermal power plants-Fly ash disposal"
Eze, Chuks Paul. "Chemical, physical and morphological changes in weathered coal fly ash : a case study of brine impacted wet ash dump." University of the Western Cape, 2011. http://hdl.handle.net/11394/5420.
Повний текст джерелаFly ash is the major waste material produced by power plants in the combustion of coal to generate electricity. The main constituents of fly ash are Si, Al, Fe and Ca with smaller amount of S, Mn, Na, K, and traces of many other elements such as Co, Cd, As, Se, Zn, Mo, Pb, B, Cu and Ni. Fly ash is usually disposed either by dry or wet disposal methods. These disposal methods have raised major environmental concerns due to the potential leaching of chemical species from the ash heap by ingress of rainfall and brine used to transport the fly ash to the dam. This study focuses on the changes in chemical composition, morphology and mineral phases due to weathering, of coal fly ash co-disposed with brine over 20 years at Sasol Secunda ash dump in Mpumalanga Province, South Africa. The design and operation of the Secunda ash dump presupposes that the ash dump may act as a sink for the salts which originated from chemicals used for normal operation in the plants. The majority of these salts come from the brines generated during desalination and raw water regeneration. The aim of this study is to ascertain if the ash dump could serve as a sustainable salt sink.Samples were drawn along the depth of two drilled cores (S1 and S3) from the weathered Secunda ash dump and analysed in conjunction with the fresh (unweathered) Secunda fly ash taken from the fly ash hoppers for comparative analysis. Scanning electron microscopy (SEM), X-ray diffractive (XRD) and X-ray fluorescence (XRF) spectrometry were employed to obtain a detailed morphological, mineralogical and bulk chemical composition of all the samples. Pore water analysis was used to determine the pH, EC and moisture content of fly ash samples. A five step sequential chemical extraction procedure was used to establish the geochemical association of particular elements with various mineral phases. The total acid digestion test was also used to determine the total elemental compositions of the Secunda fly ash samples. The SEM results showed that the fly ashes consist of irregular and numerous spherically shaped particles. Changes (encrustations, etchings and corrosion) in the morphologies of the weathered ash particles were also observed. The XRD results revealed quartz, mullite, lime and calcite as the major mineral phases. Other minerals identified in very minor quantities in the drilled Secunda ash core that were dried prior to analysis were halite, kaolinite, nitratine, bassanite, microline. and hydrophitte. These phases may have formed during sample handling. XRF investigation revealed that the major oxides present in the dumped ash samples were SiO₂, A₂2O₃, CaO, Fe₂O₃, MgO, Na₂O, TiO₂ and the minor elements present were K₂O, P₂O₅, SO₃ and MnO. The sum of the mean values of the % composition of SiO₂, Al₂O₃, and Fe₂O₃ was 70.19 %, and 72.94 % for the two drilled ash core samples (S1 and S3) respectively, and 78.67 % for the fresh ash which shows the significant alteration of the Si, Al and Fe content in the ash matrix over time. The fly ash is classified as Class F using the ASTM C 618 standards. The loss on ignition (LOI) which is an indication of unburned carbon or organic content was 4.78 %, 13.45 % and 8.32 % for the fresh ash, drilled ash cores S1 and S3 respectively. The high LOI values for the drilled ash cores could indicate high hydrocarbon content in the ash dump because of co-disposal practises where hydrocarbon waste are included in the brine stream for disposal on the ash. While the ash samples from the surface appeared dry, moisture content (MC) analysis showed that there is considerable water entrained in the fly ash dump. The fresh ash MC was 1.8 % while core S1 ranged from 41.4 – 73.2 %; core S3 ranged from 21.7 – 76.4 %. The variations in the MC values can be attributed to uneven flow paths due to inconsistent placement conditions or variations in ambient weather conditions during placement. The fresh fly ash (n=3) had a pH of 12.38±0.15, EC value of 4.98±0.03 mS/cm and TDS value of 2.68±0.03 g/L, the pH of the drilled ash core S1 (n=35) was 10.04 ±0.50, the EC value was 1.08±0.14 mS/cm and the TDS value was 0.64 ±0.08 g/L. Core S3 (n=66) had pH of 11.04±0.09; EC was 0.99 ±0.03 and TDS was 0.57 ± 0.01. The changes in pH values can be attributed to the dissolution and flushing out from the dump basic alkaline oxides like CaO and MgO These variations in pH values shows that the fly ash is acidifying over time and metal mobility can be expected under these conditions. The large decrease of EC in the drilled ash cores S1 and S3 compared to the fresh ash indicated a major loss of ionic species over time in the ash dump. The sequential extraction scheme revealed that the elements Al, Si, Ca, Mg, Ba, Sr, Fe, Mn, Na, K, As, Pb, Cr, Mo, Cu, Ni and Zn are present in Secunda fresh and weathered fly ash and are partitioned between the water soluble, exchangeable, carbonate, iron and manganese, and residual fractions of the coal fly ash. It also showed that the trace elements As, Pb, Cr, Mo, Cu, Ni and Zn do not show permanent association with particular mineral phases as a continuous partitioning between different mineral phases was observed in the weathered drilled core. Generally, all the elements had the highest concentration in the residual fraction. But it was evident that the labile phase (water soluble, exchangeable and carbonate fractions) had fairly high concentrations of Si (± 6.5 %), Al (± 6.5 %), Ca (±10 %), Mg (± 5.5 %), Ba (± 7.5 %),Sr (± 7.5 %), Na (± 12 %) and K (± 12 %) for the Secunda drilled ash core (S1 and S3) and fresh fly ash samples. This indicates that these species can leach easily upon water ingress and could pose a danger to the environment. Na and K had the highest concentrations leached out in the labile phase in all the ash samples. The amount of Na leached out of the drilled Secunda ash core in the labile phase was 13.21 % of 18584.26 mg/kg in the five geochemical phases of core S1; and 9.59 % of 11600.17 mg/kg in the five geochemical phases of core S3 while the fresh Secunda fly ash leached out 11.28 % of 16306.30 mg/kg of Na in the five geochemical phases. This study provided significant insight into the pore water chemistry, morphology, mineralogy and chemical composition and the elemental distribution pattern of the major and trace elements in the Secunda fly ash and weathered drilled Secunda ashm core S1 and S3. Though results from XRF analysis and the sequential extraction scheme shows that Na, K, S, Ca and Mg were slightly captured from the co-disposed brine by the Secunda fly ash, these species were however released in the labile phase. Hence there was no significant retention of these species in the ash dump. The amount of these species retained in the weathered ash were (0.26 % and 0.55 %) for Na, (0.02 % and 0.34 %) for K, (0.08 % and 0.06 %) for S, (0.94 % and 0.01 %) for Ca and (0.37 % and 0.96 %) for Mg in drilled ash cores S1 and S3 respectively. This poor retention of Na K, S, Ca and Mg which are major components of Sasol Secunda brine in the drilled ash cores S1 and S3 clearly shows the unsustainability of the Secunda fly ash dump as a salt sink.
IZIDORO, JULIANA de C. "Síntese e caracterização de Zeólita pura obtida a partir de cinzas volantes de carvão." reponame:Repositório Institucional do IPEN, 2013. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10180.
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Tese (Doutoramento)
IPEN/T
Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
CASTRO, FLAVIA J. de. "Avaliação ecotoxicológica dos percolados das colunas de cinza de carvão e de solos com cinza de carvão utilizando Lactuca sativa e Daphnia similis como organismos teste." reponame:Repositório Institucional do IPEN, 2013. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10517.
Повний текст джерелаMade available in DSpace on 2014-10-09T14:03:39Z (GMT). No. of bitstreams: 0
Dissertação (Mestrado)
IPEN/D
Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
Книги з теми "Thermal power plants-Fly ash disposal"
National Seminar on Coal & Coal Combustion in Utility Boilers (1999 Noida, India). National Seminar on Coal & Coal Combustion in Utility Boilers, 6-8 April, 1999 at R & D Centre, National Thermal Power Corporation, Noida: Proceedings. Edited by Varma C. V. J, Lal P. K, Hirani Mohan, and National Thermal Power Corporation (India). Research and Development Centre. Noida: The Corp., 1999.
Знайти повний текст джерелаASCE, National Convention (1988 Nashville Tenn ). Disposal and utilization of electric utility wastes: Proceedings of a session. New York, N.Y: ASCE, 1988.
Знайти повний текст джерелаInternational Conference Fly Ash Disposal & Utilisation (2nd 2000 New Delhi, India). 2nd International Conference Fly Ash Disposal & Utilisation, 2-4 February 2000, New Delhi, India: Proceedings. Edited by Varma C. V. J, India. Central Board of Irrigation and Power., and Technology Information Forecasting and Assessment Council (India). Fly Ash Mission. New Delhi: Central Board of Irrigation and Power, 2000.
Знайти повний текст джерелаInternational, Conference Fly Ash Disposal &. Utilisation (3rd 2003 New Delhi India). 3rd International Conference Fly Ash Utilisation & Disposal, 19-21 February 2003, New Delhi, India: Proceedings. New Delhi: Central Board of Irrigation and Power, 2003.
Знайти повний текст джерелаChekanov, G. S. Obrazovanie i ustranenie otlozheniĭ v sistemakh gidrozoloudalenii͡a︡. Moskva: Ėnergoatomizdat, 1987.
Знайти повний текст джерелаIndia. Central Pollution Control Board., ed. Status of pollution control, fly-ash management, and performance of air pollution control equipment in thermal power plants in West Bengal. Delhi: Central Pollution Control Board, Ministry of Environment & Forests, Govt. of India, 2003.
Знайти повний текст джерелаPower), Seminar on Fly-Ash Utilisation (1996 Central Board of Irrigation and. Seminar on Fly-Ash Utilisation, 26-27 March 1996 at CBIP, New Delhi: Proceedings. New Delhi: Central Board of Irrigation and Power, 1996.
Знайти повний текст джерелаTennessee Valley Authority. Combustion By-product Marketing and Management Section., ed. Environmental assessment development of by-product disposal facilities: Cumberland Fossil Plant, flue gas desulfurization gypsum and fly ash. [Chattanooga, Tenn.?: Tennessee Valley Authority], Fossil Fuels Combustion By-Product Marketing and Management Section, 1992.
Знайти повний текст джерелаAlternate coal ash transportation and disposal systems for thermal power plants. Delhi: Central Pollution Control Board, 2003.
Знайти повний текст джерелаЧастини книг з теми "Thermal power plants-Fly ash disposal"
Maiti, Deblina, Sundararajan Muniyan, and Iqbal Ansari. "Management of Coal Fly Ash Leachates Generated from Disposal Sites Near Thermal Power Plants." In Water Quality, Assessment and Management in India, 221–36. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-95687-5_11.
Повний текст джерелаNihalani, S. A., Y. D. Mishra, and A. R. Meeruty. "Handling and Utilisation of Fly Ash from Thermal Power Plants." In Circular Economy and Fly Ash Management, 1–11. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-0014-5_1.
Повний текст джерелаPratap Singh, Swatantra, Amritanshu Shriwastav, and Abhishek Gupta. "Strategies for Collection, Treatment, and Recycling of Fly Ash from Thermal Power Plants." In Pollutants from Energy Sources, 91–103. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-3281-4_6.
Повний текст джерелаTwardowska, Irena, Prem S. M. Tripathi, Gulab Singh, and Joanna Kyziol. "Trace Elements and Their Mobility in Coal Ash/Fly Ash from Indian Power Plants in View of Its Disposal and Bulk Use in Agriculture." In Chemistry of Trace Elements in Fly Ash, 25–44. Boston, MA: Springer US, 2003. http://dx.doi.org/10.1007/978-1-4757-4757-7_3.
Повний текст джерелаVarshney, Swati, and S. K. Dhawan. "Utilization of Fly Ash Composites in Electromagnetic Shielding Applications." In Smart Materials Design for Electromagnetic Interference Shielding Applications, 315–54. BENTHAM SCIENCE PUBLISHERS, 2022. http://dx.doi.org/10.2174/9789815036428122010010.
Повний текст джерелаTosun, Yıldırım İsmail. "Thickener Water Neutralization by Mid‐Bottom and Fly Ash of Thermal Power Plants and CO2: Organic Humate Mud of AMD Treatment for Remediation of Agricultural Fields." In Coal Fly Ash Beneficiation - Treatment of Acid Mine Drainage with Coal Fly Ash. InTech, 2018. http://dx.doi.org/10.5772/intechopen.69927.
Повний текст джерелаChoudhary, Nisha, Virendra Kumar Yadav, Parth Malik, Samreen Heena Khan, Gajendra Kumar Inwati, Suriyaprabha R., Bijendra Singh, A. K. Yadav, and Raman Kumar Ravi. "Recovery of Natural Nanostructured Minerals." In Handbook of Research on Emerging Developments and Environmental Impacts of Ecological Chemistry, 450–70. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-1241-8.ch021.
Повний текст джерелаGohatre, Omdeo Kishorrao, Subhaprada Sahoo, Kashmira Majhi, Sunil S. Suresh, and Jaidev K. "Effective Utilization of Thermal Power Plant Waste Fly Ash for Value Addition of Plastic Products." In Green Chemistry for the Development of Eco-Friendly Products, 1–23. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-7998-9851-1.ch001.
Повний текст джерелаТези доповідей конференцій з теми "Thermal power plants-Fly ash disposal"
Delitsyn, Leonid, Mikhail Sulman, Ruslan Kulumbegov, Oleg Popel, and Yury Kosivtsov. "PRODUCTION OF AGLOPORITE FROM ASH OF VARIABLE COMPOSITION OF A COAL-FIRED POWER PLANT." In 22nd SGEM International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022/4.1/s18.28.
Повний текст джерелаVlahović, Milica, Aleksandar Savić, Sanja Martinović, Nataša Đorđević, Zoran Stević, and Tatjana Volkov Husović. "Enhancing properties of concrete by addition of fly ash from a thermal power plant for application in geothermal systems." In 8th International Conference on Renewable Electrical Power Sources. SMEITS, 2020. http://dx.doi.org/10.24094/mkoiee.020.8.1.77.
Повний текст джерелаThemelis, Nickolas J., and Saman Reshadi. "Potential for Reducing the Capital Costs of WTE Facilities." In 17th Annual North American Waste-to-Energy Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/nawtec17-2366.
Повний текст джерела"Heat Treatment of Fine-Grained Cementless Concrete Based on High-Calcium Fly Ash and Slag from Thermal Power Plants." In "SP-153: Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete Proceedings Fifth International Conference Milwauk". American Concrete Institute, 1995. http://dx.doi.org/10.14359/1085.
Повний текст джерелаThemelis, Nickolas J. "Chlorine Sources, Sinks, and Impacts in WTE Power Plants." In 18th Annual North American Waste-to-Energy Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/nawtec18-3577.
Повний текст джерелаKorytni, Efim, Yuli Berman, Boris Davidson, Miron Perelman, Roman Saveliev, and Ezra Bar-Ziv. "Fouling of Heat Exchanger Tubes in Pulverized-Coal-Fired Combustion Chambers." In ASME 2008 Power Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/power2008-60044.
Повний текст джерелаWang, Wuchao, Xiaohu Dong, Huiqing Liu, Yan Peng, Zhangxin Chen, Yu Li, and Yunfei Guo. "Fly Ash Nanoparticle-Stabilized Emulsions for Improve Mobility Control Application." In SPE EuropEC - Europe Energy Conference featured at the 83rd EAGE Annual Conference & Exhibition. SPE, 2022. http://dx.doi.org/10.2118/209646-ms.
Повний текст джерелаLoosaar, Ju¨ri, Hendrik Arro, Teet Parve, To˜nu Pihu, Arvi Prikk, Toomas Tiikma, and Matti Hiltunen. "New 215 MWel CFB Power Units for Estonian Oil Shale." In 18th International Conference on Fluidized Bed Combustion. ASMEDC, 2005. http://dx.doi.org/10.1115/fbc2005-78141.
Повний текст джерелаDhamangaonkar, P. R., Abhishek Deshmukh, Santosh Pansare, and M. R. Nandgaonkar. "Design and Computational Validation of In-Line Bare Tube Economizer for a 210 MW Pulverized Coal Fired Boiler." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-62073.
Повний текст джерелаLuo, Qinlan, Ruiya Jia, Bin Feng, Qulan Zhou, and Na Li. "Experimental Study of Mercury Removal and Electrolytic Regeneration by Ca(ClO)2 Solutions." In ASME 2017 Power Conference Joint With ICOPE-17 collocated with the ASME 2017 11th International Conference on Energy Sustainability, the ASME 2017 15th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2017 Nuclear Forum. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/power-icope2017-3264.
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