A comparative thermodynamic, economic and risk analysis concerning implementation of oxy-combustion power plants integrated with cryogenic and hybrid air separation units

Skorek‐Osikowska, Anna; Bartela, Łukasz; Kotowicz, J.

doi:10.1016/j.enconman.2014.12.079

Cited by 58 publications

(17 citation statements)

References 35 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The CC unit can be divided into two main parts. In the first, the flue gas was: • Variant V1-an oxy-type power plant equipped with a lignite-fired, fluidized-bed boiler and cryogenic ASU [59,60]: • Variant V2-an oxy-type power plant equipped with a hard-coal-fired, pulverized-fuel boiler and hybrid ASU (membrane-cryogenic) [61][62][63][64]; • Variant V3a-an oxy-type power plant equipped with a lignite-fired, fluidized-bed boiler and ASU with a three-end type, high-temperature membrane (HTM) [65,66]; • Variant V3b-an oxy-type power plant equipped with a hard-coal-fired, pulverized-fuel boiler and ASU with a four-end type, high-temperature membrane (HTM) [3,67,68].…”

mentioning

confidence: 99%

The Characteristics of a Modern Oxy-Fuel Power Plant

2019

Self Cite

View full text Add to dashboard Cite

This paper presents the thermodynamic and economic analyses of four variants of a supercritical oxy-type plant. These variants differed in terms of air separation units (ASU, variants: V1—cryogenic; V2—hybrid; equipped with a three-end (V3a) or four-end (V3b) high-temperature membrane) and boilers (V1 and V3a—lignite-fired fluidized-bed; V2 and V3b—hard-coal-fired pulverized-fuel). The gross power of steam turbine unit (STU) was 600 MW. The live and reheated steam parameters were 650 °C/30 MPa and 670 °C/6.5 MPa, respectively. The influence of the ASUs’ operating parameters on the ASUs’ auxiliary power rate and boiler efficiency (V3a and V3b only) was studied. The ASUs’ operating parameters for maximum net efficiency were then determined. The decrease in the net efficiency compared to a reference plant (with a classic fluidized-bed or pulverized-fuel boiler) fluctuated in the range 7.2 (V3b)–11.2 (V1) p.p. An analysis of the waste heat utilization was performed (fuel drying—V1 and V3a; STU steam-water heat exchangers replacing). Thus, the efficiency decreases fluctuated in the range 4.3 (V3b)–10.2 (V1) p.p. The economic analysis showed that in order for the variants to be economically viable, the unit CO2 emission cost should be greater than 42.2 (V1) or 22.0 (V3b) EUR/MgCO2.

show abstract

mentioning

confidence: 99%

The Characteristics of a Modern Oxy-Fuel Power Plant

2019

Self Cite

View full text Add to dashboard Cite

show abstract

“…On account of detailed assumptions and techno-economic analysis can be referred to the previous studies [21][22][23][24][25] for the base case, some crucial hypotheses for cost calculation of oxy-steam combustion are established as below. (1) Different from desulfurization method used in Ref.…”

Section: Economic Evaluationmentioning

confidence: 99%

Comprehensive investigation of process characteristics for oxy-steam combustion power plants

Jin

Zhao

Zou

et al. 2015

Energy Conversion and Management

View full text Add to dashboard Cite

“…When CO2 is successfully captured from these coal-fired power plants, it can be stored in natural areas, like geological formations, where it is trapped below impermeable rocks and retained in pore spaces after being dissolved by underground water [159,160]. This method of storing CO2 has a long residence time.…”

Section: Geological Storage Of Co2mentioning

confidence: 99%

The Potential of CO2 Capture and Storage Technology in South Africa’s Coal-Fired Thermal Power Plants

Yoro

Sekoai

2016

Environments

View full text Add to dashboard Cite

Abstract:The global atmospheric concentration of anthropogenic gases, such as carbon dioxide, has increased substantially over the past few decades due to the high level of industrialization and urbanization that is occurring in developing countries, like South Africa. This has escalated the challenges of global warming. In South Africa, carbon capture and storage (CCS) from coal-fired power plants is attracting increasing attention as an alternative approach towards the mitigation of carbon dioxide emission. Therefore, innovative strategies and process optimization of CCS systems is essential in order to improve the process efficiency of this technology in South Africa. This review assesses the potential of CCS as an alternative approach to reducing the amount CO 2 emitted from the South African coal-fired power plants. It examines the various CCS processes that could be used for capturing the emitted CO 2 . Finally, it proposes the use of new adsorbents that could be incorporated towards the improvement of CCS technology.

show abstract

A comparative thermodynamic, economic and risk analysis concerning implementation of oxy-combustion power plants integrated with cryogenic and hybrid air separation units

Cited by 58 publications

References 35 publications

The Characteristics of a Modern Oxy-Fuel Power Plant

The Characteristics of a Modern Oxy-Fuel Power Plant

Comprehensive investigation of process characteristics for oxy-steam combustion power plants

The Potential of CO2 Capture and Storage Technology in South Africa’s Coal-Fired Thermal Power Plants

Contact Info

Product

Resources

About