EnergyRN: Coal (Topic)最新文献

Experimental Development of Approaches To Reduce the Slagging and Corrosive Activity of Salty Coal 降低盐煤结渣和腐蚀活性方法的实验研究

EnergyRN: Coal (Topic) Pub Date : 2020-12-09 DOI: 10.15587/1729-4061.2020.217585

T. Shendrik, N. Dunayevska, A. Tsaryuk, Valery Ielagin, A. Fateyev

{"title":"Experimental Development of Approaches To Reduce the Slagging and Corrosive Activity of Salty Coal","authors":"T. Shendrik, N. Dunayevska, A. Tsaryuk, Valery Ielagin, A. Fateyev","doi":"10.15587/1729-4061.2020.217585","DOIUrl":"https://doi.org/10.15587/1729-4061.2020.217585","url":null,"abstract":"The problems of reducing the slagging ability and corrosiveness of coal with a high content of low-melting salts (the so-called salty coal (SC) in the processes of its combustion) are considered. Salty coal is considered to be the coal, the ash of which contains Na 2 O>2 %. The object of study is the salty coal of Donbass and ways of solving the problems of its use. The influence of low-melting salts on the formation of ash deposits and the development of corrosion of the metal surface during the combustion of salty coal from different fields was determined. A noticeable decrease in the slagging ability and corrosiveness of the test coal was noted during the removal of salts by water extraction. The composition of corrosive compounds (oxides Fe 2 O 3, Fe 3 O 4 and iron sulfide FeS) has been determined, formed during the combustion of native coal, and their absence in the case of desalinated coal. Artificial fuel mixtures produced from more reactive salty and conventional low reactive coal have been studied. To create a mixed fuel, long-flame salty coal (low stage of metamorphism) from the Northern Donbas and unsalty lean coal (high stage of metamorphism) from Kuzbas were used. A significant deviation (to 9 %) was noted for the release of ash during the combustion of mixtures from the additivity, indicating a chemical interaction between the mineral components of the mixture. The formation of new refractory mineral phases of ash (nepheline, ultramarine, combeite) during the combustion of composite fuel from coals of different metamorphism and salinity was established. The obtained results will be useful in the development of recommendations for the preparation of model fuel mixtures and their accident-free combustion in industrial boiler units. Experimental data on the determination of new mineral compounds in the case of composite fuels can be used to create a general theory of slagging in the combustion of salty coal of different origins","PeriodicalId":177787,"journal":{"name":"EnergyRN: Coal (Topic)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127780268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Death of Coal and Breath of Life: The Effect of Power Plant Closure on Local Air Quality 煤的死亡与生命的呼吸:电厂关闭对当地空气质量的影响

EnergyRN: Coal (Topic) Pub Date : 2020-10-15 DOI: 10.2139/ssrn.3729579

Jason Brown, Colton Tousey

引用次数: 0

The Death Spiral of Coal in the USA: Will New U.S. Energy Policy Change the Tide? 美国煤炭的死亡螺旋:新的美国能源政策会改变潮流吗?

EnergyRN: Coal (Topic) Pub Date : 2019-02-01 DOI: 10.2139/SSRN.3342032

Roman Mendelevitch, Christian Hauenstein, F. Holz

{"title":"The Death Spiral of Coal in the USA: Will New U.S. Energy Policy Change the Tide?","authors":"Roman Mendelevitch, Christian Hauenstein, F. Holz","doi":"10.2139/SSRN.3342032","DOIUrl":"https://doi.org/10.2139/SSRN.3342032","url":null,"abstract":"The Trump administration has promised to stop the spiraling down of the U.S. coal industry that has been going on for several years. We discuss the origins of the decline of the U.S. coal industry and new policy interventions by the Trump administration. We find that a further decrease of coal consumption in the U.S. electricity sector must be expected because of the old and inefficient U.S. coal-fired generation fleet. By contrast, we adapt the EIA’s overly optimistic view and analyze three potential support schemes to assess whether under such assumptions they can turn the tide for the U.S. coal industry: i) revoking the Clean Power Plan (CPP); ii) facilitating access to the booming Asian market by developing West Coast coal export terminals; and iii) enhanced support for the Carbon Capture, Transport and Storage (CCTS) technology to provide a long-term perspective for domestic coal use while mitigating climate change. We investigate the short-term and long-term effects for U.S. coal production using a comprehensive partial equilibrium model of the world steam coal market, COALMOD-World (Holz et al. 2016). Revoking the CPP will stop the downward trend of steam coal consumption in the U.S., but will not lead to a return of U.S. coal production to the levels of the 2000s with more than 900 Mtpa. Even when assuming a continuously strong global coal demand and expanding U.S. coal export capacities, U.S. coal production will not return to its previous production highs. When global steam coal use, including U.S. consumption, is aligned with the 2°C climate target, U.S. steam coal production drops to around 100 Mtpa by 2030 and below 50 Mtpa by 2050, respectively, even if CCTS is available and exports via the U.S. West Coast are possible.","PeriodicalId":177787,"journal":{"name":"EnergyRN: Coal (Topic)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123274362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Federal Coal Program Reform, the Clean Power Plan, and the Interaction of Upstream and Downstream Climate Policies 联邦煤炭计划改革，清洁能源计划，以及上下游气候政策的相互作用

EnergyRN: Coal (Topic) Pub Date : 2016-04-01 DOI: 10.1257/POL.20160246

Todd D. Gerarden, S. Reeder, J. Stock

引用次数: 23

Impacts of Being Downwind of a Coal-Fired Power Plant on Infant Health at Birth: Evidence from the Precedent-Setting Portland Rule 燃煤电厂下风对婴儿出生时健康的影响:来自波特兰规则先例的证据

EnergyRN: Coal (Topic) Pub Date : 2015-11-01 DOI: 10.3386/W21723

Muzhe Yang, Shin-Yi Chou

引用次数: 10