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(PDF) Environmental Risk Assessment of Industrial by

Flue gas desulphurization (FGD) gypsum samples were collected from 12 power plants in Shanxi province in China. The total concentrations of Zn Mn Pb Cr Cd and Ni in FGD gypsum were determined.

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Durability and environmental performance of Bayer red mud

Request PDF Durability and environmental performance of Bayer red mud-coal gangue-based road base material Red mud is the solid waste residue of bauxite ore digestion with caustic soda for

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Study on each phase characteristics of the whole coal life

 · The paper divided the whole coal life cycle explained each phase characteristics and took coal mine in China as a study case to assess the ecological risk in coal utilization phase. The main conclusions are as follows (1) the whole coal life cycle is divided into coal mining processing transportation utilization and waste disposal. (2) The key points of production organization and

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Co-combustion of municipal solid waste and coal gangue in

 · Mixed incineration of municipal solid waste (MSW) in existing coal gangue power plant is a potentially high-efficiency and low-cost MSW disposal way. In this paper the co-combustion and pollutants emission characteristic of MSW and coal gangue was investigated in a circulating fluidized bed (CFB) combustor. The effect of MSW blend ratio bed temperature and excess air ratio was detailedly

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Emission characteristics of volatile organic compounds

 · Coal- coal gangue- and biomass-fired power plant were chosen to survey the source profile and emission factor of VOCs. • B/T ratios (0.8–2.6) during thermal power generation could be consider as the characteristics of coal and biomass burning.

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Groundwater environmental risk assessment of abandoned

 · Human activities during each phase of coal mine life cycle greatly affect groundwater environment. The groundwater environment destruction is not just only the destruction of underground structure but also the social problems caused by available groundwater resources reduction as well as the environmental problems affecting ecosystem and human health. Moreover the groundwater environmental

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"Risk Assessment Hazard Management" (RH)

 · Continuous Casting Billet Caster (2 strand) 330 1 51 000 Captive Power Plant Up-gradation of 1x30 TPH AFBC Boiler to 1x55 TPH and Replacement-1x8 MW TG Set to 15 MW 330 330 7MW additional (Total 15 MW) Fly-ash Plant 2x15000 bricks x 2 shifts 300 180 lakhs bricks Under Phase-2 Expansion

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The environmental characteristics of usage of coal gangue

 · The main chemical compositions of coal gangue are SiO 2 (54–60 ) Al 2 O 3 (23–27 ) Fe 2 O 3 (6–9 ) and CaO (7–11 ) which are deemed a suitable raw material for making (Raut et al. 2011).The high SiO 2 and Al 2 O 3 contents in the coal gangue suggested high compositions of clay minerals and quartz. The high concentration of Fe 2 O 3 is predominantly controlled by sulfide

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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 matter of great concern and

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thermal coal ArchivesInternational Mining

 · With the phase out of coal power it is important to consider the future of thermal coal mining. This strategic assessment is the tool included in the Impact Assessment Act to do this." Draft terms of reference for the strategic assessment of thermal coal mining will be available online for public comments early in 2020 according to the

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IOP Conference Series Earth and Environmental Science

The mainly high active center is multilayered Ni-Mo-S type II phase benefited from the weak bond between Al 2 O 3-SiO 2 support and active components. The incorporation of phosphorous enhances the dispersion of MoS 2 particles and formed more multilayered Ni-Mo-S type II phase. The route of hydrogenation activity increases with the content of P

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Investigation of phosphate removal from aqueous solution

 · Therefore the disposal of coal gangue becomes an increasingly important problem both from an environmental as well as an economic standpoint. At present the beneficial utilization of coal gangue includes power generation construction material and filling material for reclamation (Chugh

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Behaviors of Chromium in Coal-Fired Power Plants and

 · atmosphere Article Behaviors of Chromium in Coal-Fired Power Plants and Associated Atmospheric Emissions in Guizhou Southwest China Zhonggen Li 1 2 Qingfeng Wang 1 Zhongjiu Xiao 1 Leilei Fan 1 Dan Wang 1 Xinyu Li 2 3 Jia Du 1 and Junwei Cheng 1 1 College of Resources and Environment Zunyi Normal University Zunyi 563006 China qingfeng_424 163 (Q.W.) xzj198099 163 (Z.X

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Co-combustion of municipal solid waste and coal gangue

 · Mixed incineration of municipal solid waste (MSW) in existing coal gangue power plant is a potentially high-efficiency and low-cost MSW disposal way. In this paper the co-combustion and pollutants emission characteristic of MSW and coal gangue was investigated in a circulating fluidized bed (CFB) combustor. The effect of MSW blend ratio bed temperature and excess air ratio was detailedly

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Methodology Used in the Radiological Assessment of a

 · A radiological assessment of the workers and the public potentially affected by the operation of the Teruel Coal-fired Power Plant (the UPT Teruel) was performed under realistic assumptions. This assessment is part of a wider study to characterize the potential radiological impact of Naturally

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Romania s coal-fired power plants efficiency and pollution

Downloadable This article analyses the efficiency of coal-fired power plants in Romania in the European Green Deal context. The focus is on the coal-fired power plants of the Oltenia and Hunedoara Energy Power Plants as they generate over 97 of coal-fired electricity in Romania. Oltenia Energy Power Plant (CEO) is composed of eleven power plants with an average lifetime of 37 years while of

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Clean Coal Technologies Carbon Capture and Storage

Summit Power Group s Texas Clean Energy Project (TCEP) at Penwell is a 377 MWe IGCC power plant burning coal with CCS capturing 90 of CO 2 and 90 of NO x. It has 450 million funding from the DOE Clean Coal Power Initiative towards its 2.4 billion cost. It was due to operate from 2015 but construction start is not yet in sight.

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Effect of organic matter on the Rietveld quantitative

 · I. INTRODUCTION Coal gangue (CG) produced from coal mining and coal processing is one of the largest amounts of industrial solid wastes in China (Liu and Liu Reference Liu and Liu 2010).More than 700 million tons of CG is generated annually in China and its resource utilization attracts many researchers attention (Bian et al. Reference Bian Dong Lei Leng Mu and Wang 2009 National

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Managing energy infrastructure to decarbonize industrial

 · From the fuel perspective coal-fired units emitted 92.3 of the total GHG emissions while natural gas-fired coal gas-fired coal gangue-fired MSW-driven and other units emitted 2.8 2.2 1

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Study and Current Environmental Situations Evaluation on

To assess environmental feasibility of Expanding Project of Heilongjiang Dadong Coal Gangue Power Plant (EPHDCGPP) and predict it s influence to ambient according to government laws codes and regulations such as The Specific Guide to Environmental Impact Assessment and technical features of the project the range grade standards and factors of current situations evaluation were

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Co-combustion and emission characteristics of coal

 · The reuse of coal gangue for energy recovery is developing rapidly in China due to its advantage in achieving both economic and environmental benefits. Low-quality coal is often added to elevate the calorific value of the fuel. In this paper the combustion characteristics as well as pollutant emissions (SO 2 and NO) of coal gangue low-quality coal and their blends at different proportions

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IOP Conference Series Earth and Environmental Science

 · In this paper the coal gangue samples were activated at first and then the coal gangue powder was modified by adding coal gangue powder to road asphalt with the ratio of 0.5 and 1.2 and the penetration softening point and ductility of the modified asphalt were tested.

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Mobility behavior and environmental implications of trace

 · The concentration of coal gangue is enriched in Ga and depleted in Ba Co Cr Cu Li Mn Ni Zn V Ce Dy Er Gd La Lu Nd Yb and Y compared with the background values of black shales (Ketris and Yudovich 2009) and are equal in the remaining trace elements comparison with the Clarke values (Tayor 1964) the concentration of the trace elements Ga Se As and Sn are much higher in

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Methodology Used in the Radiological Assessment of a

 · A radiological assessment of the workers and the public potentially affected by the operation of the Teruel Coal-fired Power Plant (the UPT Teruel) was performed under realistic assumptions. This assessment is part of a wider study to characterize the potential radiological impact of Naturally

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Comparing Chinese Clean Coal Power Generation

 · plants power supply efficiency. we can see in the table that both power supply efficiency in the whole life cycle and efficiency of power plants power supply supercritical is the highest whose power generation efficiency can be raised nearly by 4 percentages (life cycle efficiency) after coal washing . 3.2

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Effects of Fine Gangue on Strength Resistivity and

The cemented coal gangue backfill (CGB) in coal mining is normally made of gangue (particle size of 0–15 mm) fly ash cement and water. In this study the effects of the weight content (ranging from 20 to 60 ) of fine gangue (0–5 mm) on the microscopic characteristics resistivity and compressive strength of CGB were investigated at 3 #x2009d and 28 #x2009d curing times respectively.

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Co-combustion and emission characteristics of coal gangue

 · The reuse of coal gangue for energy recovery is developing rapidly in China due to its advantage in achieving both economic and environmental benefits. Low-quality coal is often added to elevate the calorific value of the fuel. In this paper the combustion characteristics as well as pollutant emissions (SO 2 and NO) of coal gangue low-quality coal and their blends at different proportions

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Behaviors of Chromium in Coal-Fired Power Plants and

 · atmosphere Article Behaviors of Chromium in Coal-Fired Power Plants and Associated Atmospheric Emissions in Guizhou Southwest China Zhonggen Li 1 2 Qingfeng Wang 1 Zhongjiu Xiao 1 Leilei Fan 1 Dan Wang 1 Xinyu Li 2 3 Jia Du 1 and Junwei Cheng 1 1 College of Resources and Environment Zunyi Normal University Zunyi 563006 China qingfeng_424 163 (Q.W.)

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Durability and environmental performance of Bayer red

Request PDF Durability and environmental performance of Bayer red mud-coal gangue-based road base material Red mud is the solid waste residue of bauxite ore digestion with caustic soda for

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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 matter of great concern and has attracted

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Coal and Coal Gangue Separation Based on Computer Vision

While coal is the major power source around the globe gangue is unwanted in power plants. Thus separating gangue from coal is a crucial part in the pre-processing step of mining.

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Equilibrium Strategy Based Recycling Facility Site

Downloadable Environmental pollution caused by coal gangue has been a significant challenge for sustainable development thus many coal gangue reduction approaches have been proposed in recent years. In particular coal gangue facility (CGF) construction has been considered as an efficient method for the control and recycling of coal gangue.

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As Hg and Se Flue Gas Sampling in a Coal-Fired Power

 · As Hg and Se are the most volatile elements in the flue gas from a coal-fired power plant. Significant amounts of these elements cause an undesired direct gaseous emission which leads to a serious environmental health risk. The main focus of this study is to evaluate the possibility of simultaneous sampling of these volatile elements using an accurate official method for Hg (the most

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Life cycle assessment of a cleaner supercritical coal

 · 2.2. Environmental life cycle impact assessment. Life cycle assessment (LCA) is an efficient analytical tool for characterization quantification and evaluation of environmental impacts associated with the entire life cycle of any product (Toniolo et al. 2017) this study LCA method has been employed to investigate the eco-sustainability of the selected coal-fired power plant and to

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DR QIAN ZHU DR ANDREW MINCHENER OBE

 · • New USC Hassyan coal plant4x600 MW in another 1200 MW by 2025 • EPC by GE and Harbin Electric SCR FGD and ESP for conventional pollutants • Dubai has no natural gas reserves • LCOE of coal power is competitive with CCGT and solar (5 c/kWh) and will provide back-up and ancillary services for solar plant

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Life cycle energy-economy-environmental evaluation of coal

Coal-based chemical looping combustion (CLC) power plant presents itself as a promising technology due to its low energy penalty which is associated with its inherent CO 2 capture process. However most evaluations and comparisons (energy efficiency economic and environmental aspects) of the CLC power plant generally were focused on the power plant operation stage.

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