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Synergistic utilization of coal and other energy – Key to low carbon economy

Weidou NI, Zhen CHEN

《能源前沿（英文）》 2011年第5卷第1期页码 1-19 doi: 10.1007/s11708-010-0136-4

摘要： In China, coal is a dominant component of energy mix, and it is expected to remain as such over the next 30 to 40 years. Coal is expected to be used even more in power generation. The direct combustion of coal already has been causing severe pollution and ecological degradation, and it is quite difficult to address the need to reduce greenhouse gas (GHG) given the direct combustion of coal. Therefore, the polygeneration system based on coal gasification, which is one of the major examples of synergistic utilization of coal, is proposed. It is a comprehensive solution to meet the energy challenges China is facing. Furthermore, the synergy of fossil fuels (especially coal) with renewable energy, the synergy of different kinds of energy for energy storage, the synergy of centralized and distributed supply of different kinds of energy, and the synergy of different kinds of energy in smart energy grid (power, gas, heat, and water) are the keys to making China a low-carbon economy. Carbon dioxide (CO ) mitigation in China should begin from the coal-chemical industry given their accumulated relevant experiences. The mitigation process should gradually be transformed into the “IGCC+ polygeneration+ CCUS”. The objectives of this paper are to describe the synergistic utilization of coal, and to analyze the synergy of coal with other energy resources, and to propose the scientific and technological problems to achieve these synergies.

关键词： synergy clean and efficient utilization of coal coal-based polygenration CO₂ mitigation energy storage

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Innovative approach of low carbon and efficient utilization of coal resources: The polygeneration systemof a combination of the gasified coal gas and the pyrolyzed coal gas to form the synthetic gas

Kechang XIE, Fan LI

《化学科学与工程前沿（英文）》 2010年第4卷第4期页码 383-384 doi: 10.1007/s11705-010-0526-5

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Lifecycle carbon footprint and cost assessment for coal-to-liquid coupled with carbon capture, storage, and utilization technology in China

《能源前沿（英文）》 2023年第17卷第3期页码 412-427 doi: 10.1007/s11708-023-0879-3

摘要： The coal-to-liquid coupled with carbon capture, utilization, and storage technology has the potential to reduce CO₂ emissions, but its carbon footprint and cost assessment are still insufficient. In this paper, coal mining to oil production is taken as a life cycle to evaluate the carbon footprint and levelized costs of direct-coal-to-liquid and indirect-coal-to-liquid coupled with the carbon capture utilization and storage technology under three scenarios: non capture, process capture, process and public capture throughout the life cycle. The results show that, first, the coupling carbon capture utilization and storage technology can reduce CO₂ footprint by 28%–57% from 5.91 t CO₂/t·oil of direct-coal-to-liquid and 24%–49% from 7.10 t CO₂/t·oil of indirect-coal-to-liquid. Next, the levelized cost of direct-coal-to-liquid is 648–1027 $/t of oil, whereas that of indirect-coal-to-liquid is 653–1065 $/t of oil. When coupled with the carbon capture utilization and storage technology, the levelized cost of direct-coal-to-liquid is 285–1364 $/t of oil, compared to 1101–9793 $/t of oil for indirect-coal-to-liquid. Finally, sensitivity analysis shows that CO₂ transportation distance has the greatest impact on carbon footprint, while coal price and initial investment cost significantly affect the levelized cost of coal-to-liquid.

关键词： coal-to-liquid carbon capture utilization and storage (CCUS) carbon footprint levelized cost of liquid lifecycle assessment

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Technology Development and Engineering Practice for Protection and Utilization of Water Resources inCoal Mining in Western China

Da-zhao Gu

《工程管理前沿（英文）》 2016年第3卷第1期页码 59-66 doi: 10.15302/J-FEM-2016010

摘要： Shanxi, Shaanxi, Inner Mongolia, Ningxia, and Gansu (hereafter generally referred as “the Western Area”) are major coal-producing areas in China due to rich coal resources and good mining conditions. However, the Western Area has a serious water shortage. The surface evaporation is huge and a great amount of mine water generated in coal mining is evaporated and lost after discharging to surface. In order to protect and utilize the water resources during large-scale coal mining in the Western Area, Shenhua Group has put forward a technological idea to store mine water in underground mined areas and successfully researched and developed the coal mine underground reservoir technology by solving the technical difficulties of water source prediction, reservoir site selection, reservoir capacity design, dam construction, safety guarantee, water quality control and so on through 20 years of exploration. Now Shenhua Group has successfully established a batch of reservoir in the Shendong Mining Area, obtaining great economic and social benefits. The technology is also extended to other western mining areas, providing an effective path for harmonic mining of coal and water resources in western China.

关键词： Western Mining Area coal mining water resources coal mine underground reservoirs

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The Major Root Causes of Smog in China and Technologies and Solutions to Reduce It

Ke Liu

《工程管理前沿（英文）》 2016年第3卷第4期页码 343-348 doi: 10.15302/J-FEM-2016053

摘要： This paper discusses the two major root causes of smog in China. The first one is the distributed coal combustion in many small and medium sized boilers which have no emission control systems installed. To resolve this problem, there are several ways, such as increasing the centralized coal combustion for heat and power cogeneration; or converting coal to SNG in areas where there is enough water resource and removing the pollutants of the coal in the centralized coal to SNG plant, or refining the coal and making it cleaner first before combustion. The second major cause of smog is the low quality diesel and outdated diesel engines used in China. To solve this problem, there are some ways, such as improving the diesel quality to meet the national V standard, and meanwhile, enhancing the law enforcement to eliminate these outdated diesel engines that do not meet the national emission standards; in addition, combusting cleaner and cheaper fuel such as methanol or DME in the diesel engines is also an option for certain areas where there are abundant alternative fuels such as methanol to replace diesel.

关键词： smog emissions coal refining coal utilization solutions

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煤矿能源资源高效利用发展研究

吕超贤,孙文,宋关羽,于浩,王成山

《中国工程科学》 2023年第25卷第5期页码 136-145 doi: 0.15302/J-SSCAE-2023.05.012

摘要： project “Research on Scientific System and Strategic Path of Carbon Neutral Development of China’s Coal

关键词：煤矿能源资源；伴生资源；高效利用；物质 – 能量循环；综合能源微网

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Optimization and performance prediction of a new near-zero emission coal utilization system with combined

GUAN Jian, WANG Qinhui, LI Xiaomin, LUO Zhongyang, CEN Kefa

《能源前沿（英文）》 2007年第1卷第1期页码 113-119 doi: 10.1007/s11708-007-0013-y

摘要： In accordance with the new near-zero emission coal utilization system with combined gasification and combustion, which is based on the CO acceptor gasification process, the product gas composition of the gasifier and the combustor was calculated by means of thermodynamic equilibrium calculation software FactSage 5.2. Based on these calculations, the whole system efficiency calculation method that complies with the mass and energy conservation principle was established. To enhance the system efficiency, the system pressure and the gasifier carbon conversion ratio were optimized. The results indicate that the system efficiency increases with increasing pressure and gasifier carbon conversion ratio. After taking into consideration the influence of the pressure and carbon conversion ratio on the performance of the system, the gasifier and the combustor were synthetically studied. The optimum system pressure and carbon conversion ratio were obtained as 2.5 MPa and 0.7, respectively. The system efficiency could reach around 62.1% when operated in these two optimum parameters. If the advanced ion transport membrane (ITM) air separation technology is used, there would be an increase of another 1.3%.

关键词： influence efficiency calculation optimum software FactSage transport

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煤炭工业碳中和发展战略构想

袁亮

《中国工程科学》 2023年第25卷第5期页码 103-110 doi: 10.15302/J-SSCAE-2023.05.009

摘要： How to achieve the first step of the carbon-neutrality 2060 target in China: The coal substitution perspectiveThe future of coal supply in China based on non-fossil energy development and carbon price strategiesHis major research fields include coal carbon neutral development strategy, coal intelligent precisionproject “Research on Scientific System and Strategic Path for Carbon Neutral Development of China’s Coal

关键词：煤炭工业；碳中和；清洁高效利用；煤炭与清洁能源耦合；战略路径

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Sensitivity analysis of a methanol and power polygeneration system fueled with coke oven gas and coal

Guoqiang ZHANG, Lin GAO, Hongguang JIN, Rumou LIN, Sheng LI

《化学科学与工程前沿（英文）》 2010年第4卷第4期页码 491-497 doi: 10.1007/s11705-010-0511-z

摘要： The sensitivity analysis of a polygeneration energy system fueled with duo fuel of coke oven gas and coal gas is performed in the study, and the focus is put on the relations among syngas composition, conversation rate and performance. The impacts of the system configuration together with the fuel composition on the performance are investigated and discussed from the point of cascading utilization of fuel chemical energy. First, the main parameters affecting the performance are derived along with the analysis of the system configuration and the syngas composition. After the performance is being simulated by means of the Aspen Plus process simulator of version 11.1, the variation of the performance due to the composition of syngas and the conversion rate of chemical subsystem is obtained and discussed. It is obtained from the result that the proper conversion rate of the chemical subsystem according to the specific syngas composition results in better performance. And the syngas composition affects the optimal conversion rate of the chemical subsystem, the optimal point of which is around the stoichiometric composition for methanol production (CO/H = 0.5). In all, the polygeneration system fueled with coke oven gas and coal gas, which can realize the reasonable conversion of syngas to power and chemical product according to the syngas composition, is a promising method for coal energy conversion and utilization.

关键词： duo fuel of coke oven gas and coal gas polygeneration of power and methanol sensitivity analysis the relation among energy utilization syngas composition and chemical conversion rate

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对我国煤炭工业产业升级及能源发展的建议

王安

《中国工程科学》 2009年第11卷第10期页码 143-147

摘要：

提升煤炭工业产业技术水平，转变煤炭生产增长方式，不仅是解决煤炭工业健康发展的需要，也是改善国家能源供给，保障能源安全的关键所在。煤炭产业升级总的方向和途径主要在结构优化和技术升级两个方面。神东以“四化”为基本特征的大型煤炭基地建设的成功实践，在“规模、模式、装备”3个方面带动了我国煤炭工业的发展，对煤炭产业升级具有重要的示范意义。要加快制定煤炭产业政策配套措施，积极引导产业升级，建立有利于统一管理的能源管理体制，推广神东模式，提高资源的采出率和矿产资源的利用率。

关键词：煤炭工业产业升级能源安全神东模式产业政策资源采出率利用率

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中国清洁煤技术：现状和未来前景

常世彦, 卓建坤, 孟朔, 秦士跃, 姚强

《工程（英文）》 2016年第2卷第4期页码 447-459 doi: 10.1016/J.ENG.2016.04.015

摘要：

煤炭是我国最主要的一次能源，也是最主要的温室气体排放源和大气污染物排放源。本文综述了我国煤炭发电、煤炭转化、污染控制及碳捕集、利用和封存四种清洁煤技术近期的研发现状，同时展望了各类技术发展的未来前景。总体而言，我国在清洁煤技术的研究和发展方面已取得显著进步，已有大批技术进入商业或示范阶段。

关键词：清洁煤技术煤炭发电煤炭转化污染控制碳捕集、利用和封存

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西部地区富油煤开发利用潜力分析和技术体系构想

王双明 ,王虹 ,任世华 ,董书宁,郑德志 ,谭克龙 ,侯恩科, 王生全 ,曲洋,焦小淼

《中国工程科学》 2022年第24卷第3期页码 49-57 doi: 10.15302/J-SSCAE-2022.03.006

摘要：

西部地区富油煤资源量丰富，具备产业规模化发展的资源基础；科学认识富油煤的油气资源属性，推动以油气为主要产品的富油煤开发与转化，是增加国内油气供给、缓解油气对外依存度、保障国家能源安全的战略方向。本文依据现阶段煤炭资源的勘查成果，估算了西部地区富油煤资源潜力；系统梳理了西部地区富油煤开发利用的现状和存在问题；针对碳达峰、碳中和战略目标，智能绿色开发，弥补油气不足等新要求，论证提出了西部地区富油煤开发利用的基本理念与技术构想。研究认为，富油煤的开发利用，需要着重突破高精度综合勘查、高回采率开采、井下原位热解、热解气化一体化、原位热解半焦CO2封存等关键技术。研究建议，将富油煤纳入非常规油气资源管理，加大富油煤开发利用科技攻关，设立富油煤开发利用国家级示范区，推动西部地区新能源和富油煤协同开发，由此发挥富油煤作为煤基油气资源的特殊优势、实现煤炭资源低碳高值利用。

关键词：富油煤；西部地区；煤基油气资源；资源潜力；开发利用；技术体系

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我国能源绿色开发利用路径研究

李全生,张凯

《中国工程科学》 2021年第23卷第1期页码 101-111 doi: 10.15302/J-SSCAE-2021.01.012

摘要：

能源绿色开发利用是贯彻落实能源安全新战略和加快新时代生态文明建设的重要任务。为推进能源生产和消费革命，本文从我国能源发展现状与存在的问题出发，在阐述能源绿色开发利用的内涵和发展原则的基础上，构建了能源绿色开发评价模型和能源利用系统评价指标模型，对能源绿色开发利用的经济效益和环境效益进行评价，预测了我国面向2030 年、2050 年的能源绿色开发利用发展目标。研究指出，我国能源绿色开发利用的实施路径可着重从两方面展开：在能源布局方面，开展化石能源的清洁高效开发利用，清洁能源的规模化开发利用和能源系统的智能化，重点实施绿色煤炭工程、稳油增气工程和加强能源集约化、节约化利用；在科技创新方面，从加强对煤炭安全高效、清洁低碳利用的科技攻关，加快攻克深层深水和非常规油气勘探开发关键技术，推进清洁能源规模化开发利用的科技创新等5 方面推进。为构建清洁低碳、安全高效的能源体系，本文从能源管理体制创新、能源价格市场化机制形成、能源绿色开发利用考核、能源绿色开发利用科技创新体系等方面提出了对策建议。

关键词：能源，绿色开发利用，能源绿色开发评价模型，绿色煤炭工程，能源智能化

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输煤输电的技术经济比较研究及其重要战略意义

李立浧,饶宏,张东辉,范新宽,徐国新,曾沅,荆勇

《中国工程科学》 2015年第17卷第9期页码 63-68

摘要：

煤炭是我国主要的一次能源资源，由于与区域经济发达程度呈逆向分布，大规模、远距离的煤炭资源应用将会长期存在。输煤与输电的应用方式是一个各方关注的问题，也是一个长期争论的问题。本文着重研究通过铁路运输输煤和通过特高压直流技术输电这两种方式，从煤炭清洁高效利用、综合经济效益、环境土地水资源占用、安全性等方面进行输煤输电综合比较模型分析，提出了定量结论：在2012年的主要指标下，1 800 km是输煤输电的指标性距离。即：1 800 km以下输电有优势，大于1 800 km输煤有优势。预测了未来输煤输电发展趋势，指出我国应坚持输煤输电并举战略方针。

关键词：输煤输电；特高压直流；铁路运输；煤炭的清洁高效利用

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developing an innovative lean burn catalytic turbine technology for fugitive methane mitigation and utilization

Shi SU, Xinxiang YU

《能源前沿（英文）》 2011年第5卷第2期页码 229-235 doi: 10.1007/s11708-011-0147-9

摘要： Approximately 2.8 × 10 m of methane is emitted per year to the atmosphere from coal mining activities around the world. Mitigation and utilization of the fugitive coal mine methane is very difficult because its concentration is very low and varies from 0.1% to1%, and the methane is contained in a large air flow rate of 150–400 m /s. This paper overviews existing and developing technologies for the mitigation and utilization of the fugitive mine methane, and then presents research progress in developing an innovative lean burn catalytic turbine technology for fugitive methane mitigation and utilization. This turbine system can be powered with about 1% methane in air.

关键词： coal mine methane mitigation and utilization lean burn gas turbine catalytic combustion

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标题作者时间类型操作

Synergistic utilization of coal and other energy – Key to low carbon economy

Weidou NI, Zhen CHEN

期刊论文

Innovative approach of low carbon and efficient utilization of coal resources: The polygeneration systemof a combination of the gasified coal gas and the pyrolyzed coal gas to form the synthetic gas

Kechang XIE, Fan LI

期刊论文

Lifecycle carbon footprint and cost assessment for coal-to-liquid coupled with carbon capture, storage, and utilization technology in China

期刊论文

Technology Development and Engineering Practice for Protection and Utilization of Water Resources inCoal Mining in Western China

Da-zhao Gu

期刊论文

The Major Root Causes of Smog in China and Technologies and Solutions to Reduce It

Ke Liu

期刊论文

煤矿能源资源高效利用发展研究

吕超贤,孙文,宋关羽,于浩,王成山