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Updating the Fossil-fired Power Infrastructure via Supercritical Thermal Power Units

Song Zhiping

Strategic Study of CAE 2002, Volume 4, Issue 2,   Pages 22-27

Abstract: Numerous efforts have been made worldwide to reach high levels of efficiency by using super-and ultra supercriticalsteam conditions for thermal power generation.

Keywords： thermal power infrastructure     supercritical steam conditions     ultra-supercritical power unit     sustainable    

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1000 MW ultra-supercritical turbine steam parameter optimization

FENG Weizhong

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 187-193 doi: 10.1007/s11708-008-0030-5

Abstract: The 2 × 1000 MW ultra-supercritical steam turbine of Shanghai Waigaoqiao Phase III project, which usesThrough optimization, the steam pressure is regarded as the criterion between constant pressure and slidingtemperature and by setting the individual Boiler Feedwater Turbine condenser to reduce the exhaust steam
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Cooling performance of grid-sheets for highly loaded ultra-supercritical steam turbines

Dieter BOHN , Robert KREWINKEL , Shuqing TIAN ,

Frontiers in Energy 2009, Volume 3, Issue 3,   Pages 313-320 doi: 10.1007/s11708-009-0036-7

Abstract: #176;C with a live steam pressure of 30MPa.The wire mesh provides the grid-sheet with structural rigidity under varying operating conditions.Inperformance of the grid-sheets will be investigated applying the conjugate heat transfer method to ultra-supercriticallive and cooling steam conditions for a section of the cooling structure.numerical results should give a first prediction of the cooling performance under future operating conditions

Keywords： steam turbines     700&     deg     C-technology     numerical inverstigation     cooling    

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Industrial-scale investigations on effects of tertiary-air declination angle on combustion and steamtemperature characteristics in a 350-MW supercritical down-fired boiler

Xiaoguang LI, Lingyan ZENG, Hongye LIU, Yao LI, Yifu LI, Yunlong ZHAO, Bo JIAO, Minhang SONG, Shaofeng ZHANG, Zhichao CHEN, Zhengqi LI

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 132-142 doi: 10.1007/s11708-020-0803-z

Abstract: were conducted to study the effects of tertiary air declination angle (TDA) on the coal combustion and steamtemperature characteristics in the first 350-MW supercritical down-fired boiler in China with the multiple-injectionThe main and reheat steam temperatures were the highest (557.2°C and 559.4°C at a load of 210 MW, 558.4changing the TDA from 15° to 25°, the flame kernel was found to move downward and the main and reheat steam

Keywords： supercritical down-fired boiler     industrial-scale experiment     tertiary air declination angle     coal combustion     steam temperature    

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Controllable synthesis of a large TS-1 catalyst for clean epoxidation of a C=C double bond under mild conditions

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6,   Pages 772-783 doi: 10.1007/s11705-022-2280-x

Abstract: and a four-coordinate Ti framework is critical for efficient catalytic oxidation reaction under mild conditionsHerein, a size-controlled TS-1 zeolite (TS-1#0.1ACh (acetylcholine)) was synthesized via steam-assisted

Keywords： size-controlled TS-1     crystal modifier     steam-assisted crystallization     epoxidation    

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High-Level Layout Technology and Engineering Application for Advanced Air-Cooled Ultra-SupercriticalSteam-Turbine Generator Unit

Wang Shumin, Zhang Yi, Xu Lu, Li Yanbing, Gu Yongzheng, Zhuo Hua, Sun Rui, Zhang Manping, Jiang Shihong, Liu Jianhai, Li Hongxing

Strategic Study of CAE 2023, Volume 25, Issue 2,   Pages 147-159 doi: 10.15302/J-SSCAE-2023.02.012

Abstract: The engineering application of 700 ℃ ultra-supercritical coal-fired power generation is hindered by theintroduces the engineering innovation practice of the high-level layout technology for an air-cooled ultra-supercriticalsteam-turbine generator unit.pipelines, and steam turbine generator unit through technological breakthroughs.for 700 ℃ ultra-supercritical coal-fired power units.

Keywords： ultra-supercritical     advanced coal-fired power     air-cooled steam turbine generator unit     high-level layout    

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Calculation and analysis of sub/supercritical methanol preheating tube for continuous production of biodieselvia supercritical methanol transesterification

Wen CHEN, Weiyong YING, Cunwen WANG, Weiguo WANG, Yuanxin WU, Junfeng ZHANG,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 423-431 doi: 10.1007/s11708-009-0075-0

Abstract: Supercritical methanol transesterification for biodiesel has recently been concerned because of its obviousThe tubular reactor is an ideal reactor for continuous preparation of biodiesel via supercritical methanolmethanol preheating tube is necessary for the tubular reaction system because the reaction temperature for supercritical;600K, changes of the density, isobaric capacity, viscosity and thermal conductivity of sub/supercriticalthe basis of these thermophysical properties, an integration method is adopted for the design of sub/supercritical

Keywords： sub/supercritical methanol     preheating tube     integration method     biodiesel    

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A review on catalytic & non-catalytic bio-oil upgrading in supercritical fluids

Sainab Omar, Yang Yang, Jiawei Wang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 1,   Pages 4-17 doi: 10.1007/s11705-020-1933-x

Abstract: summarizes the key published research on the topic of bio-oil upgrading using catalytic and non-catalytic supercriticalfluid (SCF) conditions.have opted for non-precious metal catalysts such as acidic HZSM-5 which can promote esterification in supercriticalSupercritical methanol, ethanol, and water are most commonly used and demonstrate catalyst like activities

Keywords： bio-oil     upgrading     supercritical     review    

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Modeling analysis on solar steam generator employed in multi-effect distillation (MED) system

Zhaorui ZHAO, Bao YANG, Ziwen XING

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 193-203 doi: 10.1007/s11708-019-0608-0

Abstract: A modeling analysis has also been conducted to assess the performance and operating conditions of theSpecifically, the effects of operating parameters, such as the motive steam temperature, seawater flowproduced have been investigated in the MED desalination system combined with the bilayer wood solar steamIt is found that, under a given operating condition, there exists an optimum steam generation temperatureThis parametric simulation study will help the design of efficient bilayer wood solar steam generator

Keywords： solar energy     steam generating     multi-effect desalination    

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Polydimethylsiloxane assisted supercritical CO

Weixia Wang, Shuai Zhou, Zhong Xin, Yaoqi Shi, Shicheng Zhao

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 3,   Pages 396-404 doi: 10.1007/s11705-016-1577-z

Abstract: The effect of PDMS viscosity on the foaming behavior of HMSPP was systematically investigated using supercritical

Keywords： high melt strength polypropylene (HMSPP)     polydimethylsiloxane (PDMS)     supercritical CO2     foaming    

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Intrinsic kinetics and external diffusion of catalytic steam gasification of fine coal char particlesunder pressurized and fluidized conditions

Xuantao Wu, Jie Wang

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 2,   Pages 415-426 doi: 10.1007/s11705-018-1725-8

Abstract: Catalytic steam gasification of fine coal char particles was carried out using a self-made laboratory

Keywords： coal char     catalytic steam gasification     pressure     kinetics     diffusion    

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Corrosion mechanisms of candidate structural materials for supercritical water-cooled reactor

Lefu ZHANG, Fawen ZHU, Rui TANG

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 233-240 doi: 10.1007/s11708-009-0024-y

Abstract: strengthened steel are presently considered to be the candidate structural or fuel-cladding materials for supercriticalthose candidate materials exhibits quite complicated mechanism in high-temperature and high-pressure supercritical

Keywords： supercritical water-cooled reactor     general corrosion     oxide film     corrosion mechanism    

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Development of a supercritical and an ultra-supercritical circulating fluidized bed boiler

Junfu LYU, Hairui YANG, Wen LING, Li NIE, Guangxi YUE, Ruixin LI, Ying CHEN, Shilong WANG

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 114-119 doi: 10.1007/s11708-017-0512-4

Abstract: The supercritical circulating fluidized bed (CFB) boiler, which combines the advantages of CFB combustionwith low cost emission control and supercritical steam cycle with high efficiency of coal energy, isDifferent from the supercritical pulverized coal boiler that has been developed more than 50 years, thesupercritical CFB boiler is still a new one which requires further investigation.The design theory and key technology for supercritical CFB boiler were proposed.

Keywords： supercritical     circulating fluidized bed boiler     development     demonstration    

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Thermo-economic analysis of a direct supercritical CO electric power generation system using geothermal

Frontiers in Energy 2022, Volume 16, Issue 2,   Pages 246-262 doi: 10.1007/s11708-021-0749-9

Abstract: A comprehensive thermo-economic model combining a geothermal heat mining system and a direct supercriticalthe key design parameters of the whole system including the geothermal well pattern and operational conditions

Keywords： geothermal heat mining     supercritical CO2     power generation     thermo-economic analysis     optimization    

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Production of renewable fuels by blending bio-oil with alcohols and upgrading under supercritical conditions

Sainab Omar, Suzanne Alsamaq, Yang Yang, Jiawei Wang

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 702-717 doi: 10.1007/s11705-019-1861-9

Abstract: The work studied a non-catalytic upgrading of fast pyrolysis bio-oil by blending under supercriticalconditions using methanol, ethanol and isopropanol as solvent and hydrogen donor.The GCMS analysis indicated that the supercritical methanol reaction removed the acids in the bio-oilconsequently the pH increased from 2.39 in the crude bio-oil to 4.04 after the supercritical methanolAfter the supercritical isopropanol reaction, the heating value of the liquid product slightly further

Keywords： bio-oil     blending     supercritical     upgrading     characterisation    

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Title Author Date Type Operation

Updating the Fossil-fired Power Infrastructure via Supercritical Thermal Power Units

Song Zhiping

Journal Article

1000 MW ultra-supercritical turbine steam parameter optimization

FENG Weizhong

Journal Article

Cooling performance of grid-sheets for highly loaded ultra-supercritical steam turbines

Dieter BOHN , Robert KREWINKEL , Shuqing TIAN ,

Journal Article

Industrial-scale investigations on effects of tertiary-air declination angle on combustion and steamtemperature characteristics in a 350-MW supercritical down-fired boiler

Xiaoguang LI, Lingyan ZENG, Hongye LIU, Yao LI, Yifu LI, Yunlong ZHAO, Bo JIAO, Minhang SONG, Shaofeng ZHANG, Zhichao CHEN, Zhengqi LI

Journal Article

Controllable synthesis of a large TS-1 catalyst for clean epoxidation of a C=C double bond under mild conditions

Journal Article

High-Level Layout Technology and Engineering Application for Advanced Air-Cooled Ultra-SupercriticalSteam-Turbine Generator Unit

Wang Shumin, Zhang Yi, Xu Lu, Li Yanbing, Gu Yongzheng, Zhuo Hua, Sun Rui, Zhang Manping, Jiang Shihong, Liu Jianhai, Li Hongxing

Journal Article

Calculation and analysis of sub/supercritical methanol preheating tube for continuous production of biodieselvia supercritical methanol transesterification

Wen CHEN, Weiyong YING, Cunwen WANG, Weiguo WANG, Yuanxin WU, Junfeng ZHANG,

Journal Article

A review on catalytic & non-catalytic bio-oil upgrading in supercritical fluids

Sainab Omar, Yang Yang, Jiawei Wang

Journal Article

Modeling analysis on solar steam generator employed in multi-effect distillation (MED) system

Zhaorui ZHAO, Bao YANG, Ziwen XING

Journal Article

Polydimethylsiloxane assisted supercritical CO

Weixia Wang, Shuai Zhou, Zhong Xin, Yaoqi Shi, Shicheng Zhao

Journal Article

Intrinsic kinetics and external diffusion of catalytic steam gasification of fine coal char particlesunder pressurized and fluidized conditions

Xuantao Wu, Jie Wang

Journal Article

Corrosion mechanisms of candidate structural materials for supercritical water-cooled reactor

Lefu ZHANG, Fawen ZHU, Rui TANG

Journal Article

Development of a supercritical and an ultra-supercritical circulating fluidized bed boiler

Junfu LYU, Hairui YANG, Wen LING, Li NIE, Guangxi YUE, Ruixin LI, Ying CHEN, Shilong WANG

Journal Article

Thermo-economic analysis of a direct supercritical CO electric power generation system using geothermal

Journal Article

Production of renewable fuels by blending bio-oil with alcohols and upgrading under supercritical conditions

Sainab Omar, Suzanne Alsamaq, Yang Yang, Jiawei Wang

Journal Article