Calin-Cristian Cormos

Calin-Cristian Cormos
Babeş-Bolyai University | UBB · Faculty of Chemistry and Chemical Engineering

Prof. Dr. Eng.

About

152
Publications
30,866
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
2,876
Citations
Additional affiliations
October 2004 - present
Babeş-Bolyai University
Position
  • Professor (Associate)

Publications

Publications (152)
Article
Transportation sector, particularly road transport, together with the industrial expansion stand out as key factors behind the unprecedented CO2 levels, hence the need for green fuel alternatives and sustainable technologies. The present investigation evaluates methanol (MeOH) production via direct CO2 hydrogenation, and conversion into valuable de...
Article
Decarbonizing the cement manufacturing sector presents an interesting and pressing challenge as it is one of the largest energy consumers in industry (i.e., 7%), emitting considerable amounts of anthropogenic carbon dioxide (i.e., 7%). This paper performs a technical and environmental assessment of decarbonisation of cement production through proce...
Article
The long-term environmental targets require significant cuts of CO2 emissions in fossil fuel-intensive industrial processes. Currently, the cement production sector is responsible for approximate 8% of world anthropogenic CO2 emissions. The present paper assesses from the technical, environmental and economic point of view different decarbonization...
Article
Chemical gas-liquid absorption systems are one of the most employed technologies for CO2 removal from post-combustion processes, due to the high capture efficiency. This work presents a complex hydrodynamics model used to describe a novel CO2 capture technique that relies on the use of a three phase, gas-solid-liquid absorption column, in which the...
Article
Sustainable fuels and technologies are expected to significantly contribute towards climate change mitigation considering that the transportation sector provides a 23% share out of the total CO2 emissions. Biodiesel is a green fuel produced by transesterification of triglycerides with an alcohol in the presence of a catalyst. The current study enta...
Article
Full-text available
Gas switching technology (GST) was introduced to facilitate operation and scale-up of pressurized chemical looping-based technologies thus bringing the expected benefits of reducing costs and energy penalty of CO2 capture. GST has so far been applied to generate heat/power, hydrogen, syngas, and oxygen using fossil fuel gas (but also from biomass f...
Article
Biogas got significant attention as a promising renewable energy source and an energy-efficient way of converting various biowastes into energy carriers. As relevant research contributions of present analysis, the detailed technical and economic assessment of decarbonized biogas catalytic reforming process for flexible hydrogen & power generation w...
Article
Membrane technology is one promising technology for CO2 capture from industrial gases. The application of membrane system in gasification-based power plants is particularly appealing considering the elevated pressure of syngas subject to decarbonization resulting in lower energy and economic penalties for CO2 capture. As key novelty element of this...
Chapter
This work evaluates the integration of an innovative thermo-chemical energy storage system based on calcium-derived sorbents for flexible operation of decarbonized coalfueled super-critical power plant. The reactive gas-solid cycle is used for both power plant decarbonization as well as a time-flexible thermo-chemical energy storage system in conju...
Article
Ethylene is an essential building block in the petrochemical industry and it is almost exclusively produced via ethane steam cracking, a well-established albeit highly energy and carbon dioxide intensive process. The oxidative dehydrogenation of ethane is a promising alternative to steam cracking reactions due to its exothermic nature, which decrea...
Article
Sorption Enhanced Water-Gas Shift (SEWGS) couples the water gas-shift reaction with CO2 adsorption on potassium-promoted hydrotalcite (K-HTC) sorbent material for hydrogen production and CO2 capture. Here, computational fluid dynamics (CFD) models are developed to simulate the adsorption step in SEWGS considering both packed bed and monolith reacto...
Article
As global power generation is currently relying on fossil fuel-based power plants, more anthropogenic CO2 is being released into the atmosphere. During the transition period to alternative energy sources, carbon capture and storage seems to be a promising solution. Chemical-looping combustion (CLC) is an energy conversion technology designed for co...
Article
Full-text available
The reduction of fossil CO2 emissions from key relevant industrial processes represents an important environmental challenge to be considered. To enable large-scale deployment of low carbon technologies, a significant research and development effort is required to optimize the CO2 capture systems. This work assesses various hybrid solvent-membrane...
Article
Full-text available
Cost-effective CO2 capture and storage (CCS) is critical for the rapid global decarbonization effort recommended by climate science. The increase in levelized cost of electricity (LCOE) of plants with CCS is primarily associated to the large energy penalty involved in CO2 capture. This study therefore evaluates three high-efficiency CCS concepts ba...
Article
This work evaluates the most relevant techno-economic performances of calcium and magnesium-based sorbents used in high temperature solid looping cycles for post-combustion CO2 capture applied in fossil power generation. The evaluated power plants generate 1000 MW net electricity with 90% CO2 capture rate. As fuels, natural gas was assessed for com...
Article
Reactive gas-liquid absorption is currently one of the most technological and commercial mature decarbonization solution for energy-intensive industrial applications. This decarbonization system is based on chemical absorption - desorption cycle using alkanolamine solutions. In this work, the reactive gas-liquid absorption was assessed from techno-...
Article
The steel industry is currently a major water pollution source, releasing high quantities of chemicals. One of the pollutants is phenol, known for its toxicity even when it is present in low concentrations. Liquid-liquid extraction employing various aromatics and cycloalkanes (i.e., benzene, toluene, cyclohexane, ethylbenzene) and ketones (i.e., me...
Article
Glycerol, as a main by-product of biodiesel synthesis, can be used in a large variety of applications including food, personal care, pharmaceutical and chemical industries However, due to the large production of biodiesel, the glycerol market was depressed. The conversion of glycerol into an energy carrier (syngas or hydrogen) could be a very inter...
Article
Hydrogen production by biogas conversion represent a promising solution for reduction of fossil CO2 emissions. In this work, a detailed techno-economic analysis was performed for decarbonized hydrogen production based on biogas conversion using calcium and chemical looping cycles. All evaluated concepts generate 100,000 Nm³/h high purity hydrogen....
Article
Full-text available
Production of synthetic natural gas (SNG) offers an alternative way to valorize captured CO2 from energy intensive industrial processes or from a dedicated CO2 grid. This paper presents an energy-efficient way for synthetic natural gas production using captured CO2 and renewable hydrogen. Considering several renewable hydrogen production sources, a...
Chapter
Greenhouse gas emission reduction from energy-intensive industrial applications (e.g., power generation) is of paramount importance today. The fossil-based power plants have to be operated in a load following (cycling) scenario to balance the time intermittent renewable sources (e.g., solar and wind). This paper is assessing the techno-economic imp...
Chapter
Biomass gasification is one of the most promising solution for producing clean electricity. This technology option can reduce the use of fossil fuels and limit the exhaust CO2 emissions in atmosphere. Moreover, by integrating different CO2 separation technologies, the biomass gasification power plant is considered to have negative CO2 emissions due...
Article
This study estimates the technical, economic and environmental impact of decarbonization strategy on Romanian fossil power generation sector. Two post-combustion decarbonization options are considered either for existing power plant retrofit or new investment based on current conventional designs: a technological and commercial mature chemical scru...
Article
Calcium Looping (CaL) cycle is a promising energy-efficient and cost-reduction decarbonization technology as well as a thermo-chemical energy storage system. This process is based on multi-cycle carbonation – calcination of CaO – CaCO3 system. In this work, the CaL cycle is used both to decarbonize super-critical power plants and to improve the pla...
Cover Page
Full-text available
REVISTA DE CHIMIE Cite as: Rev. Chim. https://doi.org/10.37358/Rev.Chim.1949 OSIM Nr. R102355 ISSN Print 0034-7752 ISSN Online 2668-8212 Journal Metrics * Impact Factor 2019: 1.755 * 5-Year IF: 1.351 * CiteScore: 2.2 * H index: 28 (InCites Journal Citation Reports) Revista de Chimie REVISTA DE CHIMIE Revista de Chimie is internationally rec...
Article
Ammonia synthesis is a topic of high interest in the industry as the market continues to expand and demand increases. The current ammonia production route is very energy and carbon-intensive, relying greatly on natural gas both as feedstock as well as for heat and power generation within the plant. In the present work, a cradle-to-gate environmenta...
Article
Glycerol represents a valuable side product from biodiesel production. This work evaluates glycerol valorization in view of energy-efficient hydrogen & power generation using chemical and calcium looping thermo-chemical cycles. Two looping options were evaluated: glycerol steam reforming followed by a syngas-based looping cycle and direct glycerol...
Article
Full-text available
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 proce...
Article
Integrated Gasification Combined Cycle (IGCC) design represents a versatile electricity production method with key advantages for decarbonization. Carbon capture, utilization and storage methods are predicted to perform an essential role in reducing CO2 emissions. In this paper, two innovative reactive gas-solid systems are assessed in pre-combusti...
Chapter
Chemical looping combustion (CLC) is a promising energy conversion technology for fossil fuel combustion with inherent carbon dioxide separation and minimum energy and cost penalties for CO2 capture. Designing and setting the optimum operating conditions for the CLC reactors are important steps to be taken before implementing the process on an indu...
Chapter
Reducing CO2 emissions from energy-intensive industrial applications is of paramount importance today. Various carbon capture, utilisation and storage (CCUS) technologies can be applied to reduce the carbon footprint of industrial processes. This paper is presenting, through various illustrative gasification-based examples, some innovative carbon c...
Chapter
The present work is focused on process modeling and simulation of methanol production and conversion into various chemical intermediates and final products. Methanol synthesis is achieved by chemical reaction between CO2 and H2, this method being considered an important method for carbon dioxide valorization. The main advantages of this route are t...
Article
The need for flexible power plants could increase in the future as variable renewable energy (VRE) share will increase in the power grid. These power plants could balance the increasing strain on electricity grids by renewables. The proposed plant in this paper can adapt to these ramps in electricity demand of the power grid by maintaining a consta...
Article
Oxy-fuel combustion and gasification technologies for power generation require significant oxygen consumption. The actual oxygen production method involves cryogenic systems, the most important shortcomings of this process are high ancillary electricity consumption and high capital costs. Chemical Looping Air Separation (CLAS) concept represents an...
Presentation
Full-text available
Hydrogen as one of the key elements to unlock the potential of hybrid and flexible energy systems in scenarios with variable renewable output
Article
Full-text available
Variable renewable energy (VRE) is expected to play a major role in the decarbonization of the electricity sector. However, decarbonization via VRE requires a fleet of flexible dispatchable plants with low CO2 emissions to supply clean power during times with limited wind and sunlight. These plants will need to operate at reduced capacity factors w...
Article
Hydrogen is regarded as a promising energy carrier with several key advantages for future low carbon applications (e.g. no greenhouse gas emission at the point of use, higher energy conversion efficiency). This paper is assessing from a techno-economic point of view, three chemical looping processes suitable for hydrogen production generating high...
Article
Full-text available
The environmental evaluation of the sorption-enhanced water–gas shift (SEWGS) process to be used for the decarbonization of an integrated steel mill through life cycle assessment (LCA) is the subject of the present paper. This work is carried out within the STEPWISE H2020 project (grant agreement No. 640769). LCA calculations were based on material...
Article
Full-text available
Energy and economic penalties for CO2 capture are the main challenges in front of the carbon capture technologies. Chemical Looping Air Separation (CLAS) represents a potential solution for energy and cost-efficient oxygen production in comparison to the cryogenic method. This work is assessing the key techno-economic performances of a CLAS system...
Article
In the interest of mitigating global warming and climate change, the leading industrial sectors such as the iron and steel industry, as one of the most significant industrial contributors to anthropogenic CO2 emissions, is challenged to find more efficient and environmentally clean solutions to reduce their CO2 emissions while maintaining high proc...
Article
Full-text available
Industrial processes contribute significantly to global carbon dioxide emissions, with iron and steel manufacturing alone responsible for 6% of the total figure. The STEPWISE project, funded through the European Horizon 2020 (H2020) Low Carbon Energy (LCE) programme under grant agreement number 640769, is looking at reducing CO2 emissions in the ir...
Article
The gasification technology has multiple key advantages for future low carbon power generation scenario e.g. reduced energy and cost penalties for CO2 capture, multi-fuel multi-product operation capability, ability to process lower grade fuels, plant flexibility, etc. This paper is assessing the updated most important techno-economic aspects of IGC...
Article
Full-text available
The environmental impact represents a significant constraint for fossil fuel-intensive industrial processes in transition to a low-carbon scenario. This paper is evaluating the potential energy efficiency improvements in reactive gas–liquid absorption process used for CO2 capture from coal-based super-critical CFBC power plants. Two improved config...
Article
Carbon Capture, Utilization and Storage (CCUS) is a widely discussed method that can help reduce carbon emissions of energy intensive plants. The goal of this work is to evaluate from a techno-economic point of view such a plant that uses captured CO2 and renewable H2 obtained in a carbon-free way and produces methanol (MeOH). The paper presents (i...
Article
In the context of the climate changes and to improve people's life, solutions for reducing the amount of CO2 emissions into the atmosphere from the energy sector are being sought after. One of the solutions is to produce a greater part of the global energy requirement from renewable energy sources. Nowadays, biomass is one of the most easily availa...
Chapter
This paper evaluates the dry reforming of methane (DRM) process with CO2 capture using an alkanolamine gas - liquid absorption system for flexible hydrogen and power co-generation. The evaluated plant concepts consider a net power output of about 500 MW net with a flexible hydrogen thermal output in the range of 0 to 200 MWth. The carbon capture ra...
Chapter
The paper evaluates the technical performances of an ammonia production plant having an output of 2500 t/day. Mass and energy integration aspects of natural gas conversion (conventional steam reforming, autothermal reforming and chemical looping), carbon capture unit by gas-liquid and gas-solid systems, ammonia production and associated heat recove...
Chapter
This article underlines the most important aspects of the integrated gasification combined cycle (IGCC) power plants used in conjunction with carbon capture and storage technologies. The distinct advantages of IGCC power plants with carbon capture are briefly presented through illustrative and quantifiable examples, for example, ability to process...
Article
The objective of this study was to describe the hydrogen production from catalytic reforming of liquefied petroleum gas (LPG) with carbon capture and storage (CCS). Nowadays, hydrogen requires a lot of attention as a clean fuel as well as a chemical used in industrial applications (e.g. hydrogenation processes especially in oil refinery sector). Th...
Article
Reducing the greenhouse gas emissions from heat and power sector as well as from other energy-intensive industrial applications is of paramount importance today. Various carbon capture technologies can be applied to reduce the CO2 emissions from the polluting process industries. This paper is presenting, through various illustrative coal-based exam...
Article
Chemical Looping Air Separation (CLAS) is a promising solution for energy efficient large scale oxygen production in comparison to the existing technologies (e.g. cryogenic air separation). This paper is evaluating the copper-based CLAS system used in conjunction with two power generation technologies based on coal oxy-combustion and gasification p...
Article
The environmental impact using Life Cycle Assessment (LCA) of coal-based IGCC power plants with carbon capture based on chemical & calcium looping is evaluated in the present work. The two IGCC carbon capture cases use calcium-based CO2 sorbents and iron-based oxygen carriers and they are compared, in term of technical performance (e.g. net power o...
Article
The heat and power generation sector is facing fundamental changes for transition to a low carbon scenario due to significant environmental constraints. This paper is evaluating from techno-economic point of view the integration of post-combustion CO2 capture technologies into coal-based CFBC power plants operated in sub- and super-critical steam c...
Article
Full-text available
In the STEPWISE project, the Sorption Enhanced Water-Gas Shift (SEWGS) technology for CO2 capture is brought to TRL6 by means of design, construction, operation and modelling a pilot installation in the Iron and Steel industry using Blast Furnace Gas (BFG). This advanced CO2 removal technology makes use of regenerative solid adsorbents. The STEPWIS...
Article
Reducing the carbon dioxide emissions from the energy-intensive industrial sectors is of great importance in the fight against climate change. The cement industry is responsible for about 5% of global CO2 emissions. In this article, two reactive absorption and adsorption post-combustion CO2 capture methods are assessed in conjunction with cement pr...
Article
Environmental and technical aspects of four supercritical (SC) pulverized-coal processes with post-combustion carbon capture and storage (CCS) are evaluated in the present work. The post-combustion CCS technologies (e.g. MDEA, aqueous ammonia and Calcium Looping (CaL) are compared to the benchmark case represented by the SC pulverized coal without...
Chapter
Reducing the greenhouse gas emissions from heat and power sector as well as from other energy-intensive industrial applications is of paramount importance in the modern society. The cement production industry is one of the largest industrial sources of CO2 (about 5% of anthropogenic CO2 emissions). Among various carbon capture methods suitable to b...
Chapter
Developing efficient and economic viable energy conversion systems for a transition to a low carbon economy represents a key issue of the modern society. To reduce the anthropogenic greenhouse gas emissions, innovative solutions have to be developed and deployed into energy sector as well as other energy-intensive industrial applications (e.g. petr...
Article
Full-text available
This paper is evaluating from the conceptual design, thermal integration, techno-economic and environmental performances points of view the hydrogen and power generation using glycerol (as a biodiesel by-product) reforming processes at industrial scale with and without carbon capture. The evaluated hydrogen plant concepts produced 100,000 Nm³/h hyd...
Article
Developing high energy efficient solutions with low CO2 emissions for heat and power generation sector is of main importance today. One innovative carbon capture method based on Chemical Looping with Oxygen Uncoupling (CLOU) concept for power generation with near-zero CO2 emissions was evaluated in this paper. As an illustrative example, the copper...
Article
Reducing CO2 emissions from energy sector and other fossil fuel-intensive industrial applications is of main importance today. The iron and steel industry is one of the largest industrial sources of CO2 (about 6% of total CO2 emissions). Two post-combustion CO2 capture methods based on reactive gas-liquid and gas-solid systems are evaluated to be u...
Article
Acrylic acid, one of the most important monomers, has a wide range of uses e.g. in the paints adhesives, textile finishing, leather processing or super absorbents. The production process from propylene is well known and used at industrial scale in the USA, Europe, and Asia. The present paper focuses on the evaluation of the environmental impact of...
Article
Developing advanced conversion ways for fossil fuels and renewable energy sources to electricity or other total or partial decarbonised energy vectors (e.g. hydrogen, heat, synthetic fuels) is of paramount importance in modern energy sector. In addition, the development of carbon capture, utilisation and storage (CCUS) technologies is equally impor...
Conference Paper
This paper is evaluating two power generation concepts based on hydrogen produced from bioethanol steam reforming at industrial scale without and with carbon capture. The power generation from bioethanol conversion is based on two important steps: hydrogen production from bioethanol catalytic steam reforming and electricity generation using a hydro...
Article
Full-text available
Developing innovative power generation technologies with low fossil CO2 emissions is of paramount importance in modern society. Natural gas-based energy applications have the highest conversion efficiency, this fuel being considered the cleanest fossil fuel in terms of specific CO2 emissions. Carbon Capture, Utilisation and Storage (CCUS) technolog...
Article
The need to develop energy efficient low carbon conversion processes is of critical importance today. Hydrogen production concepts using glycerol resulted as byproduct from biodiesel production, at industrial scale (100,000 Nm3/h hydrogen equivalent to 300 MWth), with and without carbon capture was evaluated in the present paper. Three hydrogen pro...
Article
Full-text available
Hydrogen production from natural gas, combined with advanced CO2 capture technologies, such as iron-based chemical looping (CL), is considered in the present work. The processes are compared to the conventional base case, i.e. hydrogen production via natural gas steam reforming (SR) without CO2 capture. The processes are simulated using commercial...
Article
Full-text available
Power generation is one of the industrial sectors with major contribution to greenhouse gas emissions (especially CO2). For climate change mitigation, a special attention is given to the reduction of CO2 emissions by applying capture and storage techniques in which CO2 is captured from energy-intensive processes and then stored in suitable safe geo...
Article
Introduction of hydrogen in the energy system, as a new energy carrier complementary to electricity, is exciting much interest not only for heat and power generation applications, but also for transport and petro-chemical sectors. In transition to a low carbon economy, Carbon Capture and Storage (CCS) technologies represent another way to reduce CO...
Article
A thermodynamic analysis and experimental validation of bioglycerol catalytic steam reforming process using Ni/Al2O3 catalyst for hydrogen production is presented in this article. The thermodynamic study was performed by developing a mathematical model of the process using ChemCAD process simulator a well-known and widely used CAPE tool. All major...
Article
Calcium looping is an innovative CO2 capture process using solid CaO as sorbent to remove CO2 from flue gases. In the work presented in this paper, the calcium looping cycle was applied to a super-critical power plant to capture CO2 (purity >95%). This capture technology is based on calcium looping process which uses CaO for CO2 capture. Calcium lo...