Integration of the calcium carbonate looping process into an existing pulverized coal-fired power plant for CO2 capture: Techno-economic and environmental evaluation

Rolfe, Angela; Huang, Ye; Haaf, Martin; Rezvani, Sina; MclIveen-Wright, D.; Hewitt, Neil

doi:10.1016/j.apenergy.2018.03.160

Cited by 43 publications

(14 citation statements)

References 24 publications

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“…This software was initially developed for the use of coal liquefaction research projects of the European Commission over the period since 1986 by the Energy Research Centre of the University of Ulster 23 . However, since its development, it has been used to provide a techno‐economic assessment for a wide range of industrial plant applications, most recently in References 24, 25.…”

Section: Modelling and Evaluation Methodologymentioning

confidence: 99%

Converting brown coal to synthetic liquid fuels through direct coal liquefaction technology: Techno‐economic evaluation

Huang

Rolfe

Rezvani³

et al. 2020

Int J Energy Res

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The main objective of this paper is to carry out a techno-economic evaluation for the direct coal liquefaction (DCL) process based on the two primary conversion options under consideration: (a) catalytic coal liquefaction (CCL)the use of non-donor solvents with added hydrogen pressure and (b) thermal coal liquefaction (TCL)the use of solvents with some H-donor properties without hydrogen pressure. For this purpose, steady-state process models for the CCL and TCL are developed. The process modules addresses only the primary DCL process and do not include any upgrading to transport fuels as this will be conducted at refinery facilities. To better understand the process parameters and benefits of each option, detailed simulations have been conducted using the ECLIPSE modelling software. Technical results showed that daily oil yields (light and middle distillates) were around 1208 barrels from the CCL process and 924 barrels from the TCL process when the feed rate of brown coal was 256 t/d (on dry and ash free basis). Based on economic assumptions, the break-even oil price would be €47.10/barrel with the CCL and €57.81/barrel with the TCL.

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Section: Modelling and Evaluation Methodologymentioning

confidence: 99%

Converting brown coal to synthetic liquid fuels through direct coal liquefaction technology: Techno‐economic evaluation

Huang

Rolfe

Rezvani³

et al. 2020

Int J Energy Res

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“…The specific consumption of primary energy for CO 2 avoided (SPECCA) also shows better value for chemical looping in comparison to chemical scrubbing (gas-liquid absorption) by about 0.67 MJ/kg. All these technical and environmental benefits of the CaL-based decarbonization process translate into improved economic performance [35]. All economic indicators are in favor of the calcium looping option in comparison to the gas-liquid absorption as assessed decarbonization technologies-specific investment cost (reduced by about 25%), levelized cost of electricity (reduced by about 18%), and CO 2 avoided cost (reduced by about 36%).…”

Section: Coal-based Super-critical Combustion Power Plantsmentioning

confidence: 97%

Techno-Economic and Environmental Evaluations of Decarbonized Fossil-Intensive Industrial Processes by Reactive Absorption & Adsorption CO2 Capture Systems

et al. 2020

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Decarbonization of energy-intensive systems (e.g., heat and power generation, iron, and steel production, petrochemical processes, cement production, etc.) is an important task for the development of a low carbon economy. In this respect, carbon capture technologies will play an important role in the decarbonization of fossil-based industrial processes. The most significant techno-economic and environmental performance indicators of various fossil-based industrial applications decarbonized by two reactive gas-liquid (chemical scrubbing) and gas-solid CO2 capture systems are calculated, compared, and discussed in the present work. As decarbonization technologies, the gas-liquid chemical absorption and more innovative calcium looping systems were employed. The integrated assessment uses various elements, e.g., conceptual design of decarbonized plants, computer-aided tools for process design and integration, evaluation of main plant performance indexes based on industrial and simulation results, etc. The overall decarbonization rate for various assessed applications (e.g., power generation, steel, and cement production, chemicals) was set to 90% in line with the current state of the art in the field. Similar non-carbon capture plants are also assessed to quantify the various penalties imposed by decarbonization (e.g., increasing energy consumption, reducing efficiency, economic impact, etc.). The integrated evaluations exhibit that the integration of decarbonization technologies (especially chemical looping systems) into key energy-intensive industrial processes have significant advantages for cutting the carbon footprint (60–90% specific CO2 emission reduction), improving the energy conversion yields and reducing CO2 capture penalties.

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“…The calcium looping process can be run most efficiently if integrated in power plants (e.g. coalfired), resulting in net efficiency penalties < 8 % [30], [632]- [636]. In Europe and other parts of the world, reliance on coal for power generation is expected to decrease significantly in the next decades as per governmental decisions, so it remains doubtful whether efforts will be made to retrofit existing power plants with a calcium looping process for CO2 capture.…”

Section: Enabling Co2 Capture On An Industrial Scalementioning

confidence: 99%

CO2 capture using solid sorbents: Fundamental aspects, mechanistic insights and recent advances

Dunstan¹,

Donat²,

Bork³

et al. 2021

Preprint

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Carbon dioxide capture and mitigation forms a key part of the technological response to combat climate change and reduce CO2 emissions. Solid materials capable of reversibly absorbing CO2 have been the focus of intense research for the past two decades, promising stability and low energy costs to implement and operate compared to the more widely used liquid amines. In this Review, we explore the fundamental aspects underpinning solid CO2 sorbents based on alkali and alkaline earth metal oxides operating at mid- to high temperature: how their structure, chemical composition and morphology impact their performance and long-term use. Various optimization strategies are outlined to improve upon the most promising materials, and we combine recent advances across disparate scientific disciplines including materials discovery, synthesis, and in situ characterization to present a coherent understanding of the mechanisms of CO2 absorption both at surfaces and within solid materials.

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Integration of the calcium carbonate looping process into an existing pulverized coal-fired power plant for CO2 capture: Techno-economic and environmental evaluation

Cited by 43 publications

References 24 publications

Converting brown coal to synthetic liquid fuels through direct coal liquefaction technology: Techno‐economic evaluation

Converting brown coal to synthetic liquid fuels through direct coal liquefaction technology: Techno‐economic evaluation

Techno-Economic and Environmental Evaluations of Decarbonized Fossil-Intensive Industrial Processes by Reactive Absorption & Adsorption CO2 Capture Systems

CO2 capture using solid sorbents: Fundamental aspects, mechanistic insights and recent advances

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