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Artigos de revistas sobre o tema "Carbon dioxide (CO2)"

Autor: Grafiati

Publicado: 4 de junho de 2021

Última modificação: 25 de julho de 2025

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1

Zolotareva, O. K. "BIOCATALYTIC CARBON DIOXIDE CAPTURE PROMOTED BY CARBONIC ANHYDRASE." Biotechnologia Acta 16, no. 5 (2023): 5–21. http://dx.doi.org/10.15407/biotech16.05.005.

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The rapid and steady increase in the concentration of CO2, the most abundant greenhouse gas in the atmosphere, leads to extreme weather and climate events. Due to the burning of fossil fuels (oil, coal and natural gas), the concentration of CO2 in the air has been increasing in recent decades by more than 2 ppm per year, and in the last year alone - by 3.29 ppm. To prevent the "worst" scenarios of climate change, immediate and significant reductions in CO2 emissions through carbon management are needed. Aim. Analysis of the current state of research and prospects for the use of carbonic anhydr

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Schunemann, H. J., and R. A. Klocke. "Influence of carbon dioxide kinetics on pulmonary carbon dioxide exchange." Journal of Applied Physiology 74, no. 2 (1993): 715–21. http://dx.doi.org/10.1152/jappl.1993.74.2.715.

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In the absence of erythrocytes, carbonic anhydrase (CA) localized to the pulmonary capillary endothelium catalyzes the dehydration of bicarbonate to CO2. We studied the effects of lung CA and the reactions of CO2 on CO2 excretion in isolated lungs perfused with buffer. In indicator-dilution experiments, recoveries of dissolved CO2 and acetylene (C2H2) in the venous effluent were delayed significantly compared with a vascular indicator because the gases were distributed in both the vascular and alveolar volumes. In a second group of experiments, the kinetics of CO2 excretion were monitored with

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Sima, Sergiu, and Catinca Secuianu. "The Effect of Functional Groups on the Phase Behavior of Carbon Dioxide Binaries and Their Role in CCS." Molecules 26, no. 12 (2021): 3733. http://dx.doi.org/10.3390/molecules26123733.

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In recent years we have focused our efforts on investigating various binary mixtures containing carbon dioxide to find the best candidate for CO2 capture and, therefore, for applications in the field of CCS and CCUS technologies. Continuing this project, the present study investigates the phase behavior of three binary systems containing carbon dioxide and different oxygenated compounds. Two thermodynamic models are examined for their ability to predict the phase behavior of these systems. The selected models are the well-known Peng–Robinson (PR) equation of state and the General Equation of S

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Petroianu, Georg, Wolfgang Maleck, Wolfgang Bergler, and Roderich Ruefer. "Carbon Monoxide and Nonquantitative Carbon Dioxide Detection." Prehospital and Disaster Medicine 11, no. 4 (1996): 276–79. http://dx.doi.org/10.1017/s1049023x00043120.

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AbstractIntroduction:The capnometric demonstration of end-tidal carbon dioxide (CO2) is a reliable method of differentiating between a correct endotracheal tube position and an accidental misplacement of the tube into the esophagus. Recently, several CO2 detectors have been introduced for monitoring end-tidal CO2 in the “out-of-hospital” setting, where quantitative capnometry with capnography is not yet available.Hypothesis:These devices are not influenced by carbon monoxide (CO) present in lethal concentration.Methods:A heated (37°C) 2.3 L reservoir bag filled one-third full with water (repre

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He, Liang-Nian, Jin-Quan Wang, and Jing-Lun Wang. "Carbon dioxide chemistry: Examples and challenges in chemical utilization of carbon dioxide." Pure and Applied Chemistry 81, no. 11 (2009): 2069–80. http://dx.doi.org/10.1351/pac-con-08-10-22.

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The development of catalytic methods for chemical transformation of CO2 into useful compounds is of paramount importance from a standpoint of C1 chemistry and so-called green chemistry. The kinetic and thermodynamic stability of CO2 molecule presents significant challenges in designing efficient chemical transformations based on this potential feedstock. In this context, efforts to convert CO2 to useful chemicals will inevitably rely on its activation through molecular catalysts, particularly transition-metal catalysts. Two preparative processes employing solid catalyst or CO2-philic homogeneo

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Lanjewar, Aditya Anand. "CO2 Sequestration." Research and Analysis Journal 4, no. 10 (2021): 01. http://dx.doi.org/10.18535/raj/v4i10.01.

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Starting with an overview of Science, Engineering, Technology and Management. An application of Science is called Engineering; an application of Engineering is called Technology; and applying the Knowledge of Science, Engineering & Technology in Management. Globally, due to the realization that, from last three decades, carbon dioxide sequestration gaining interest to reduce the concentration of CO2. CO2 Sequestration terms as CO2 capture. In the atmosphere capture carbon dioxide through chemical process and physical process. This process is not new and used by petroleum, petrochemical, ch

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Khandaker, Tasmina, Muhammad Sarwar Hossain, Palash Kumar Dhar, Md Saifur Rahman, Md Ashraf Hossain, and Mohammad Boshir Ahmed. "Efficacies of Carbon-Based Adsorbents for Carbon Dioxide Capture." Processes 8, no. 6 (2020): 654. http://dx.doi.org/10.3390/pr8060654.

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Carbon dioxide (CO2), a major greenhouse gas, capture has recently become a crucial technological solution to reduce atmospheric emissions from fossil fuel burning. Thereafter, many efforts have been put forwarded to reduce the burden on climate change by capturing and separating CO2, especially from larger power plants and from the air through the utilization of different technologies (e.g., membrane, absorption, microbial, cryogenic, chemical looping, and so on). Those technologies have often suffered from high operating costs and huge energy consumption. On the right side, physical process,

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Baumann, Jürg, Robert Beer, and Gion Calzaferri. "Interaction of Carbon Dioxide with Silver Zeolites." CHIMIA 42, no. 3 (1988): 100. https://doi.org/10.2533/chimia.1988.100.

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Photooxidation of water to O2 and of Cl⊖ to Cl2 by Ag⊕-exchanged zeolite A is briefly reviewed. Thermodynamic considerations concerning the free energy storage during these reactions are given. Interaction of CO2 with Ag⊕-exchanged zeolite A of various Ag⊕ content, in the original and partially reduced state, is probed by in situ FTIR transmission spectroscopy. Chemisorbed, carbonate-like species are found in samples of low silver content. The CO2 physisorption capacity is lowest for highly Ag⊕-exchanged samples. After removing the physisorbed CO2 by evacuation, a small amount of weakly bound

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Guo, Jiaqi, Yijia Hu, and Yifan Zhao. "The Development of Carbon Dioxide Captures and Biochemical Transformation of Carbon Dioxide." Highlights in Science, Engineering and Technology 6 (July 27, 2022): 372–81. http://dx.doi.org/10.54097/hset.v6i.1034.

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In recent years, human activities have led to significant CO2 emissions. The increase in energy consumption and emissions of greenhouse gases (mainly CO2) has led to consequences such as global warming and an accelerated rate of glacial melting, making global environmental development more challenging. Even though the monoethanolamine (MEA) method of capturing carbon dioxide is now widely used in industry, the disadvantages of this method still exist, mainly because of the difficult economic balance. Since CO2 is inevitable due to human activities, converting the generated CO2 into high-value

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ONOGBOSELE, Donatus Otaigbe, and Ebikabowei Biedomo ADUKU. "Urbanization and Climate Change in Nigeria." International Journal of Economics, Business and Management Research 09, no. 03 (2025): 73–87. https://doi.org/10.51505/ijebmr.2025.9305.

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The study investigates the impact of urbanization on climate change in Nigeria in the period 1981 to 2023, utilising the Cobb-Douglas production function as a framework for analysis. The equations were estimated with the Ordinary Least Squares (OLS) estimator. The urban population growth rate was used as a proxy for urbanization (UBAN), whereas carbon dioxide (CO2) emissions were used to represent climatic change. Empirical results showed a direct and significant impact of urbanization on carbon dioxide (CO2) emissions. The nonrenewable energy consumption (NREC) variable also had a direct and

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Popa, Teodor, and Ovidiu Sorin Cupsa. "Carbon Dioxide Transport and Storage." Advanced Materials Research 1036 (October 2014): 975–80. http://dx.doi.org/10.4028/www.scientific.net/amr.1036.975.

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Increased focus on reducing CO2 emissions has created growing interest in CO2 capture from industrial processes for storage in underground formations. New technical solutions, costs and energy requirements for ship-based transport of CO2 are presented. All elements in the transport chain, namely liquefaction, storage, loading system, dedicated CO2 ship (s), onshore loading and unloading, and offshore unloading systems are included in the paper. Over 80 % from the primary energy consumed all over the world is obtained from fossil oil and natural gas. The last researches have shown the energy de

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Feng, Zikun. "Current Research on CO2 Reduction Technology." Highlights in Science, Engineering and Technology 90 (April 8, 2024): 112–16. http://dx.doi.org/10.54097/8q98cj44.

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The technology of carbon dioxide reduction has become a focus of research in the fields of environmental protection and sustainable development. With the exacerbation of global warming and energy crises, the issue of carbon dioxide emissions has become increasingly severe, exerting immense pressure on human society and the natural environment. In this context, carbon dioxide reduction technology has emerged as one of the important approaches to addressing climate change and energy demands. This technology involves the reaction of carbon dioxide with hydrogen or other reducing agents to produce

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13

Ehret, David L., and Peter A. Jolliffe. "Photosynthetic carbon dioxide exchange of bean plants grown at elevated carbon dioxide concentrations." Canadian Journal of Botany 63, no. 11 (1985): 2026–30. http://dx.doi.org/10.1139/b85-283.

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Leaves of bean plants (Phaseolus vulgaris L. cv. Pure Gold Wax) grown in atmospheres enriched in CO2 (1400 μL L−1) showed a decrease in CO2 exchange capacity when compared with unenriched plants (340 μL L−1) measured at the same CO2 concentration. The decrease was not associated with changes in chlorophyll concentration or photorespiratory activity. The decrease was less evident in older leaves, in leaves maintained at low light intensity, and in those with reduced chlorophyll contents. Respiration rates in leaves of CO2-enriched plants increased only under conditions that caused a concurrent

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Pahlipi, Muhammad Ridha, Ervina Aryanti, Mokhamad Irfan, Indah Permanasari, and Ahmad Taufiq Arminudin. "EMISI GAS KARBON DIOKSIDA (CO2) PADA PERKEBUNAN KELAPA SAWIT (Elaeis guineensis Jacq) YANG DITUMPANGSARI DENGAN TANAMAN PANGAN DI LAHAN GAMBUT." JURNAL AGROTEKNOLOGI 7, no. 2 (2017): 35. http://dx.doi.org/10.24014/ja.v7i2.3355.

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Peat land conversion into oil palm plantations leads was increased emissions of carbon dioxide (CO2). Plants on peat land and environmental conditions believed to be factors in the emission of carbon dioxide (CO2). The porpuse of this research was determined the emissions of carbon dioxide (CO2) in oil palm plantations are intercropped with cropping crop on peat land and the influence of environmental factors on the emission of carbon dioxide (CO2). This research was conducted in September 2015 until April 2016 in Rimbo Panjang village, Subdiscrict Tambang, District of Kampar, Province of Riau

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Watson, M. N., C. J. Boreham, and P. R. Tingate. "CARBON DIOXIDE AND CARBONATE CEMENTS IN THE OTWAY BASIN: IMPLICATIONS FOR GEOLOGICAL STORAGE OF CARBON DIOXIDE." APPEA Journal 44, no. 1 (2004): 703. http://dx.doi.org/10.1071/aj03035.

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Understanding CO2 source and carbonate cements in natural gas accumulations is important for predicting the behaviour of anthropogenic CO2 in a reservoir system. The Otway Basin offers an excellent opportunity to examine late CO2-derived cements as an analogue for mineralogical storage of CO2. Understanding Otway Basin diagenesis and carbonate cement distribution is also of great significance to petroleum production in the region.Elemental and textural examination of Otway Basin cements has identified five carbonates in reservoir rock from CO2-rich gas accumulations. These carbonates show an o

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16

Benson, Sally M., and Franklin M. Orr. "Carbon Dioxide Capture and Storage." MRS Bulletin 33, no. 4 (2008): 303–5. http://dx.doi.org/10.1557/mrs2008.63.

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Reducing CO2 emissions from the use of fossil fuel is the primary purpose of carbon dioxide capture and storage (CCS). Two basic approaches to CCS are available.1,2 In one approach, CO2 is captured directly from the industrial source, concentrated into a nearly pure form, and then pumped deep underground for long-term storage (see Figure 1). As an alternative to storage in underground geological formations, it has also been suggested that CO2 could be stored in the ocean. This could be done either by dissolving it in the mid-depth ocean (1–3 km) or by forming pools of CO2 on the sea bottom whe

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17

Cao, Xiaopeng, Qihong Feng, and Yanfeng Ji. "Effect of Interaction between Carbon Dioxide and Fluid Phase/Rock Interface on Carbon Dioxide Storage." Processes 11, no. 12 (2023): 3331. http://dx.doi.org/10.3390/pr11123331.

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The interaction between CO2, formation water, and rock surfaces after CO2 flooding and the mechanism by which it affects CO2 storage were studied in this paper. The results show that variations in the solubility of CO2 in crude oil under pressure are similar to those observed in formation water. The solubility of CO2 increases as pressure increases under a low-pressure conditions. The solubility of CO2 in crude oil increases significantly when crude oil is in a low-viscosity state, and this makes it easier to diffuse CO2 into the oil phase at high temperatures. More resistance is encountered w

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18

Rambeli@Ramli, Norimah, Norasibah Abdul Jalil, Emilda Hashim, et al. "The Impact of Selected Macroeconomic Variables on Carbon Dioxide (Co2) Emission in Malaysia." International Journal of Engineering & Technology 7, no. 4.15 (2018): 204. http://dx.doi.org/10.14419/ijet.v7i4.15.21447.

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This study tries to investigate the relationship between gross domestic product, electricity product, net trade, electricity consumption and oil price on carbon dioxide (Co2) emission in Malaysia. Thus, it uses the Ordinary Least Square (OLS) method in structuring the model estimation. By utilizing yearly time series data from 1980 to 2017, this study focuses on economics and statistical criteria analyses. According to sign analysis, the results suggest that, gross domestic product, electricity product, net trade and energy consumption affect carbon dioxides (Co2) positively. In contrast, the

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Peres, Christiano B., Pedro M. R. Resende, Leonel J. R. Nunes, and Leandro C. de Morais. "Advances in Carbon Capture and Use (CCU) Technologies: A Comprehensive Review and CO2 Mitigation Potential Analysis." Clean Technologies 4, no. 4 (2022): 1193–207. http://dx.doi.org/10.3390/cleantechnol4040073.

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One of society’s major current challenges is carbon dioxide emissions and their consequences. In this context, new technologies for carbon dioxide (CO2) capture have attracted much attention. One of these is carbon capture and utilization (CCU). This work focuses on the latest trends in a holistic approach to carbon dioxide capture and utilization. Absorption, adsorption, membranes, and chemical looping are considered for CO2 capture. Each CO2 capture technology is described, and its benefits and drawbacks are discussed. For the use of carbon dioxide, various possible applications of CCU are d

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Back, Martin R., James G. Caridi, Irvin F. Hawkins, and James M. Seeger. "ANGIOGRAPHY WITH CARBON DIOXIDE (CO2)." Surgical Clinics of North America 78, no. 4 (1998): 575–91. http://dx.doi.org/10.1016/s0039-6109(05)70335-2.

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Lee, Ming Ju, Ming Gin Lee, Yung Chih Wang, Yu Min Su, and Jia Lun Deng. "Preliminary Study on Reaction of Fresh Concrete with Carbon Dioxide." Defect and Diffusion Forum 382 (January 2018): 230–34. http://dx.doi.org/10.4028/www.scientific.net/ddf.382.230.

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In order to let fresh concrete react with carbon dioxide sufficiently, the carbon dioxide was added to mixing concrete. The study used three water cement ratio (0.55, 0.65, 0.75), three CO2 pressures (0.2, 0.4, 0.6 MPa), and two CO2 concentration (50% and 100%) to make concrete samples, and observed the effect of carbon dioxide adsorption in the above parameters. Finally, the compressive strength and carbonation degree of concretes were tested after three curing time (7, 14 and 28 days). The research showed that concrete could be more efficient to absorb carbon dioxide by using this pressure m

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Pierre, Alain C. "Enzymatic Carbon Dioxide Capture." ISRN Chemical Engineering 2012 (December 16, 2012): 1–22. http://dx.doi.org/10.5402/2012/753687.

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In the past decade, the capture of anthropic carbonic dioxide and its storage or transformation have emerged as major tasks to achieve, in order to control the increasing atmospheric temperature of our planet. One possibility rests on the use of carbonic anhydrase enzymes, which have been long known to accelerate the hydration of neutral aqueous CO2 molecules to ionic bicarbonate species. In this paper, the principle underlying the use of these enzymes is summarized. Their main characteristics, including their structure and catalysis kinetics, are presented. A special section is next devoted t

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Lin, Jian-Shian, Chieh-Lung Lai, Hsiu-Jen Lin, Ya-Chun Tu, and Yoshimi Takeuchi. "Optical Mold Cleaning Using Carbon Dioxide." International Journal of Automation Technology 4, no. 1 (2010): 39–44. http://dx.doi.org/10.20965/ijat.2010.p0039.

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An optical mold cleaning technique comprised of supercritical CO2 fluids and a CO2 snow particle cleaning process is proposed in this paper. Our results indicate that using supercritical CO2 fluids with cosolvents significantly improves cleaning effectiveness. There is a high degree of cleaning efficiency even when supercritical CO2 fluids are used alone, without any cosolvents. We have also determined that two key factors in controlling the effectiveness of the CO2 snow cleaning process are the density and pressure of the CO2 propellant. Since CO2 cleaning generates much less pollution than c

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Seng Wong, Tuck, and Kang Lan Tee. "CO2 bioeconomy: Creating value from carbon dioxide." Open Access Government 40, no. 1 (2023): 422–23. http://dx.doi.org/10.56367/oag-040-10701.

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CO2 bioeconomy: Creating value from carbon dioxide Is the CO2 bioeconomy creating value from carbon dioxide? Dr Kang Lan Tee and Professor Tuck Seng Wong both explain. Carbon dioxide is frequently portrayed as the villain of climate change. A 50% carbon dioxide content increase in less than 200 years (National Oceanic and Atmospheric Administration) is a stark reminder of its role in global warming. Scientists have also linked the rise of carbon dioxide with the greenhouse effect in the past 66 million years (Annual Review of Earth and Planetary Sciences). Beyond scientific reports, we have ex

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Kvamme, Bjørn. "Feasibility of simultaneous CO2 storage and CH4 production from natural gas hydrate using mixtures of CO2 and N2." Canadian Journal of Chemistry 93, no. 8 (2015): 897–905. http://dx.doi.org/10.1139/cjc-2014-0501.

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Production of natural gas from hydrate using carbon dioxide allows for a win-win situation in which carbon dioxide can be safely stored in hydrate form while releasing natural gas from in situ hydrate. This concept has been verified experimentally and theoretically in different laboratories worldwide, and lately also in a pilot plant in Alaska. The use of carbon dioxide mixed with nitrogen has the advantage of higher gas permeability. Blocking of flow channels due to formation of new hydrate from injected gas will also be less compared to injection of pure carbon dioxide. The fastest mechanism

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B S, Seema, Vijaya Kumar Y M, Yashaswini L, and Natraj R L. "An Experimental Study on Curing of Mortar Cubes by Carbon Dioxide." Asian Journal of Applied Science and Technology 06, no. 02 (2022): 26–31. http://dx.doi.org/10.38177/ajast.2022.6204.

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Carbon dioxide (CO2) is the predominant greenhouse gas resulting from human industrial Activities. A significant fraction of CO2 discharged into the atmosphere comes from Industry point sources. Cement production alone contributes approximately 5% of global CO2 emissions. This emitted carbon dioxide, however, can be partially recycled into mortar through early age curing to form thermodynamically stable calcium carbonates. The carbonation reaction between carbon dioxide and appropriate calcium Compounds results in permanent fixation of the carbon dioxide in a thermodynamically stable calcium c

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Perry, S. F. "Carbon dioxide excretion in fishes." Canadian Journal of Zoology 64, no. 3 (1986): 565–72. http://dx.doi.org/10.1139/z86-083.

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The pattern and control of carbon dioxide excretion in fish is reviewed with particular emphasis on the site(s) of bicarbonate dehydration, the involvement of diffusive and convective processes, and the relationship with ionic and acid–base regulation. The principal route for carbon dioxide excretion in fish involves the catalysed dehydration of plasma bicarbonate within erythrocytes to form physically dissolved CO2 and the subsequent diffusion of physically dissolved CO2 across the gill epithelium. It is likely that bicarbonate entry into the erythrocyte in exchange for intracellular chloride

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Pratama, Ikhwan Annas, and Jihad Lukis Panjawa. "ANALYSIS OF THE EFFECT OF GROSS DOMESTIC PRODUCT, FINANCIAL DEVELOPMENT, FOREIGN DIRECT INVESTMENT, AND ENERGY ON CO2 EMISSIONS IN INDONESIA FOR THE 1990-2020 PERIOD." JOURNAL OF HUMANITIES, SOCIAL SCIENCES AND BUSINESS (JHSSB) 1, no. 4 (2022): 189–208. http://dx.doi.org/10.55047/jhssb.v1i4.343.

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This study examines the factors influencing CO2 emissions from 1990 to 2020. In this study, CO2 emissions are the dependent variable, and the independent variables consist of financial development, foreign direct investment, economic growth, and energy, as measured by the Error Correction Model (ECM) method implemented in the E-views 10 software. This study discover that (1) Financial Development in the short and long term has no effect on carbon dioxide (CO2) emissions in Indonesia, (2) foreign direct investment in the short and long term has no effect on carbon dioxide (CO2) emissions in Ind

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Vargas-Sánchez, Mariana, Javier Alcocer, Eric Puche, and Salvador Sánchez-Carrillo. "Abiotic processes control carbon dioxide dynamics in temperate karst lakes." PeerJ 12 (May 22, 2024): e17393. http://dx.doi.org/10.7717/peerj.17393.

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Inland waters are crucial in the carbon cycle, contributing significantly to the global CO2 fluxes. Carbonate lakes may act as both sources and sinks of CO2 depending on the interactions between the amount of dissolved inorganic carbon (DIC) inputs, lake metabolisms, and geochemical processes. It is often difficult to distinguish the dominant mechanisms driving CO2 dynamics and their effects on CO2 emissions. This study was undertaken in three groundwater-fed carbonate-rich lakes in central Spain (Ruidera Lakes), severely polluted with nitrates from agricultural overfertilization. Diel and sea

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Paik, Inkwan, and Seunguk Na. "Comparison of Carbon Dioxide Emissions of the Ordinary Reinforced Concrete Slab and the Voided Slab System During the Construction Phase: A Case Study of a Residential Building in South Korea." Sustainability 11, no. 13 (2019): 3571. http://dx.doi.org/10.3390/su11133571.

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The construction industry not only consumes a lot of energy but also emits large volumes of carbon dioxide. Most countries have established target reduction values of the carbon dioxide emissions to alleviate environmental burdens and promote sustainable development. The reduction in carbon dioxide emissions in the construction industry has been taking place in various ways as buildings produce large quantities of the carbon dioxide over their construction life cycle. The aim of this study is to assess and compare the carbon dioxide emissions of an ordinary reinforced concrete slab and the voi

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Liang, Zhuoming, Linlin Huang, Siyuan Tu, and Keqin Wang. "Global Warming and Carbon Dioxide Concentration." Advances in Engineering Technology Research 4, no. 1 (2023): 470. http://dx.doi.org/10.56028/aetr.4.1.470.2023.

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At present, global warming is one of the most important environmental problems that people pay attention to. We generally believe that the main factor causing the problem of global warming is the emission of greenhouse gases. Among them, the most important greenhouse gas is carbon dioxide (CO2). The prediction and correlation analysis of CO2 concentration and land-ocean temperature allows us to accurately get the level of future CO2 concentration and land-ocean temperature. The great significance for knowing environmental protection work and specifying environmental protection policies. Howeve

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Zou, Shaohui, and Tian Zhang. "CO2 Emissions, Energy Consumption, and Economic Growth Nexus: Evidence from 30 Provinces in China." Mathematical Problems in Engineering 2020 (November 30, 2020): 1–10. http://dx.doi.org/10.1155/2020/8842770.

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Under the situation of global low-carbon development, the contradiction among energy consumption, economic growth, and CO2 emissions is increasingly prominent. Considering the possible two-way feedback among the three, based on the panel data of 30 regions in China from 2000 to 2017, this paper establishes a spatial Durbin model including economic growth, energy consumption equation, and CO2 emissions and studies the dynamic relationship and spatial spillover among economic growth, energy consumption, and CO2 emissions effects. The results show that the economic growth can significantly improv

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Gessesse, Abrham Tezera, and Ge He. "Analysis of carbon dioxide emissions, energy consumption, and economic growth in China." Agricultural Economics (Zemědělská ekonomika) 66, No. 4 (2020): 183–92. http://dx.doi.org/10.17221/258/2019-agricecon.

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This study examines the nexus of carbon dioxide (CO2) emissions, energy consumption (EC) and gross domestic products (GDP), using an Autoregressive Distributed Lag (ARDL) bounds test approach of co-integration and error-correction model (ECM) for the period 1971–2015. The aim of the research is to i) examine the relationship between CO2 and GDP as “cross-coupling, relative decoupling, or absolute decoupling,” and validate the existence of the Environmental Kuznets Curve (EKC) hypothesis; ii) detect causality between CO2 emissions, EC, and GDP, and scrutinize their impacts. The ARDL results con

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Guliyeva, Shafa. "Energy consumption, economic growth and CO2 emissions in Azerbaijan." Multidisciplinary Science Journal 5, no. 4 (2023): 2023052. http://dx.doi.org/10.31893/multiscience.2023052.

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The primary goal of this research is to investigate the link between carbon dioxide emissions, energy consumption, and economic growth in Azerbaijan. Azerbaijan's economy is growing, and people have noticed that the country is using more energy. However, the issue of how this increase affects carbon dioxide emissions is controversial. The analyzes show that there is a linear relationship between energy consumption and carbon dioxide emissions. That is, as energy consumption increases, carbon dioxide emissions also increase. In addition, it is stated in the study that Azerbaijan focuses on foss

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Islami, Fitrah Sari, Panji Kusuma Prasetyanto, and Fitri Kurniasari. "The Effect of Population, GDP, Non-Renewable Energy Consumption and Renewable Energy Consumption on Carbon Dioxide Emissions in G-20 Member Countries." International Journal of Energy Economics and Policy 12, no. 2 (2022): 103–10. http://dx.doi.org/10.32479/ijeep.12548.

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The purpose of this study is to analyze the effect of population, Gross Domestic Product (GDP), consumption of non-renewable energy, and renewable energy on carbon dioxide (CO2) emissions in The G-20 Member Countries 2010-2019. The data used in this study is panel data. The data used in this study is secondary data obtained from the World Bank and BP Statistical Review of World Energy. This study uses panel data regression analysis through the E-views 11 program. The results of the analysis in this study show that (1) the population has a positive and significant effect on carbon dioxide (CO2)

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Afifah, Yuri, Indra Prasetya, Setyasih Anjarwani, and Andranissa Amalia Pashira. "The complex relationship between arterial carbon dioxide levels and acute heart failure: implications for prognosis and management." Heart Science Journal 6, no. 1 (2025): 3–10. https://doi.org/10.21776/ub.hsj.2025.006.01.2.

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Acute Heart Failure (AHF) can affect carbon dioxide levels in the body by altering the balance between ventilation and carbon dioxide production, leading to either hypocapnia or hypercapnia. Arterial carbon dioxide (CO2) levels are essential for maintaining respiratory function and acid-base balance. However, the relationship between arterial CO2 levels and AHF remains complex and not fully understood. Diverse factors affect arterial CO2 levels in patients with AHF, including neurohormonal activation, respiratory compensation for hypoxemia, and changes in pulmonary perfusion. Hypocapnia, chara

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Wardhani, Annisa Choerinita Kusuma, Rita Retnowati, and Yossa Istiadi. "Carbon dioxide (CO2 ) emissions and mitigation efforts based on Bogor City's green open space." Indonesian Journal of Applied Environmental Studies 5, no. 2 (2024): 92–96. https://doi.org/10.33751/injast.v5i2.8513.

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One of the risks associated with climate change is carbon dioxide (CO2) emission, which can negatively affect human health and the ecosystem. The CO2 emission can lead to a decline in urban area quality that surpasses the environment's carrying capacity. This research aimed to investigate the relationship between CO2 Emissions from Transportation (X1), Household (X2), and Business Sector (X3) with the CO2 reduction of green open space (Y). The hypothesis is that there is a negative correlation between CO2 emissions from transportation, households, and businesses and CO2 reduction from green op

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Tagwale, Pranav, Vibhas Bambroo, Rituja Bande, Prasad Rathod, and S. T. Mali. "POTENTIAL OF CARBON DIOXIDE ABSORPTION IN CONCRETE." International Journal of Students' Research in Technology & Management 3, no. 5 (2015): 369–72. http://dx.doi.org/10.18510/ijsrtm.2015.357.

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Abstract: Cement industry contributes to 5% of global CO2 emissions. To mitigate pollution, there is a need of CO2 sequestration into stable forms. Present research focusses on CO2 being channelized towards an important construction practice. This paper summarizes the potential of CO2 absorption in concrete. To verify CO2 absorption in concrete, an artificial CO2 environment for curing of concrete cubes using dry ice was created. Considering concrete of M20 grade, a comparative experimental study of water cured concrete cubes, CO2 cured concrete cubes, for penetration (using phenolphthalein in

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Parnell, John, Kirsty Macleod, and Malcolm J. Hole. "Carbon dioxide drawdown by Devonian lavas." Earth and Environmental Science Transactions of the Royal Society of Edinburgh 105, no. 1 (2014): 1–8. http://dx.doi.org/10.1017/s1755691014000152.

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ABSTRACTLower Devonian volcanic rocks in the northern British Isles, especially Scotland, show extensive evidence for contemporaneous subaerial weathering. Basalt and andesite lavas were altered to red iron oxides, commonly accompanied by calcite. Measurement of carbonate contents in 104 samples over a region of 100,000 km2 show an average of 13% calcite. Weighted for outcrop thickness, this represents an estimated 7.3×1016 moles CO2, extracted from surface waters and ultimately the atmosphere. The time frame for this drawdown is difficult to constrain, but complete weathering of a one-metre u

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Lach, Daniel, Jaroslaw Polanski, and Maciej Kapkowski. "CO2—A Crisis or Novel Functionalization Opportunity?" Energies 15, no. 5 (2022): 1617. http://dx.doi.org/10.3390/en15051617.

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The growing emission of carbon dioxide (CO2), combined with its ecotoxicity, is the reason for the intensification of research on the new technology of CO2 management. Currently, it is believed that it is not possible to eliminate whole CO2 emissions. However, a sustainable balance sheet is possible. The solution is technologies that use carbon dioxide as a raw material. Many of these methods are based on CO2 methanation, for example, projects such as Power-to-Gas, production of fuels, or polymers. This article presents the concept of using CO2 as a raw material, the catalytic conversion of ca

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Sari, Erza Guspita, and Muhammad Sofwan. "Carbon Dioxide (CO2) Emissions Due to Motor Vehicle Movements in Pekanbaru City, Indonesia." Journal of Geoscience, Engineering, Environment, and Technology 6, no. 4 (2021): 234–42. http://dx.doi.org/10.25299/jgeet.2021.6.4.7692.

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Land use has a very close relationship with transportation. Transportation is formed as a result of the interaction between land use and its support system. Good land use supported by good infrastructure will result in good movement as well. Accessibility is one of the supporting factors for good interaction between transportation and land use—the better the land use conditions in an area, the greater the movement in that area. However, the interaction between land use and transportation can cause one of the problems: the increase in carbon dioxide emissions due to the more significant movemen

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Lao, Wan-Li, Xiao-Ling Li, Ying-Chun Gong, and Xin-Fang Duan. "Carbon Dioxide Emission Evaluations in the Chinese Furniture Manufacturing Industry Using the IPCC Tier-2 Methodology." Forest Products Journal 73, no. 1 (2023): 6–12. http://dx.doi.org/10.13073/fpj-d-22-00023.

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Abstract Estimating industrial carbon dioxide emissions at the national scale is crucial for China's carbon peak and carbon neutralization targets, as well as the low-carbon development of the Chinese furniture manufacturing industry. For this purpose, in this study the Intergovernmental Panel on Climate Change Tier-2 methodology was used to evaluate the carbon dioxide emissions of the Chinese furniture manufacturing industry at the national scale. The results show that carbon dioxide emissions increased from 219.50 × 10,000 tons of CO2 equivalent in 2000 to 850.68 × 10,000 tons of CO2 equival

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Harding, Frances C., Alan T. James, and Hazel E. Robertson. "The engineering challenges of CO2 storage." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 232, no. 1 (2018): 17–26. http://dx.doi.org/10.1177/0957650918756542.

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The permanent underground storage of large quantities of anthropogenic carbon dioxide from thermal energy and industrial plant is widely recognised as a fundamental tool which can help to avoid the worst impacts of climate change. To achieve this effectiveness, it will require widespread global deployment in a new industry which would rival the current oil and gas industry in its scale and ambition. Many of the technologies for carbon dioxide storage are the adaptations of oil and gas technology, but there are some important differences. These arise from: 1. the thermodynamic properties of car

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Petuya, Claire, Françoise Damay, Sarah Desplanche, David Talaga, and Arnaud Desmedt. "Selective trapping of CO2 gas and cage occupancy in CO2–N2 and CO2–CO mixed gas hydrates." Chemical Communications 54, no. 34 (2018): 4290–93. http://dx.doi.org/10.1039/c8cc00538a.

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Frank, Patrick. "Cenozoic Carbon Dioxide: The 66 Ma Solution." Geosciences 14, no. 9 (2024): 238. http://dx.doi.org/10.3390/geosciences14090238.

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The trend in partial pressure of atmospheric CO2, P(CO2), across the 66 MYr of the Cenozoic requires elucidation and explanation. The Null Hypothesis sets sea surface temperature (SST) as the baseline driver for Cenozoic P(CO2). The crystallization and cooling of flood basalt magmas is proposed to have heated the ocean, producing the Paleocene–Eocene Thermal Maximum (PETM). Heat of fusion and heat capacity were used to calculate flood basalt magmatic Joule heating of the ocean. Each 1 million km3 of oceanic flood basaltic magma liberates ~5.4 × 1024 J, able to heat the global ocean by ~0.97 °C

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Zeitler, Elizabeth. "Carbon Dioxide Conversion: Pathway to Defossilize Carbon‐Based Materials and Durably Store Carbon." Climate and Energy 41, no. 8 (2025): 1–8. https://doi.org/10.1002/gas.22445.

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Carbon dioxide (CO2) conversion is a suite of chemical and biological processes that transform the carbon in CO2 into other forms, such as mineral carbonates, alcohols, hydrocarbons, polymers, or elemental carbon materials. Such processes allow CO2 to replace fossil fuels to enable sustainable production of chemicals and materials, and support durable storage of CO2 in long‐lived products, two underexamined aspects of addressing CO2 accumulation in the atmosphere. CO2 can, in principle, serve as a feedstock for any carbon‐based product, and is better suited to forming carbonates, other oxygena

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Geiser, Dennis R., and B. W. Rohrbach. "Use of end-tidal CO2 tension to predict arterial CO2 values in isoflurane-anesthetized equine neonates." American Journal of Veterinary Research 53, no. 9 (1992): 1617–21. http://dx.doi.org/10.2460/ajvr.1992.53.09.1617.

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SUMMARY End-tidal carbon dioxide tension (PetCO2) and arterial carbon dioxide tension (PaCO2) were determined and compared in isoflurane-anesthetized spontaneously breathing equine neonates. End-tidal carbon dioxide and PaCO2 values increased with respect to time. Difference between values of PetCO2 and PaCO2 increased over time. End-tidal carbon dioxide tension was useful to predict changes in and was more closely correlated with PaCO2 early in the anesthetic period (T ≤ 60 minutes). The dead space volume to tidal volume (Vd/Vt) ratio increased with respect to time, indicating increase in phy

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Saharjo, Bambang Hero, and Citra Septriantri Putri. "Pendugaan Emisi Gas Karbondioksida Akibat Kebakaran Hutan Dan Lahan Di Kabupaten Ketapang Provinsi Kalimantan Barat." Journal of Tropical Silviculture 10, no. 3 (2019): 152–58. http://dx.doi.org/10.29244/j-siltrop.10.3.152-158.

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Forest and land fires are phenomena that often occur in Indonesia and have a negative impact on life. One of them is carbon dioxide gas emissions which influences global climate change. Therefore, information is needed regarding the estimation of carbon dioxide emissions in fire-prone areas, one of them is West Kalimantan, as a consideration in the activity to control forest and land fires. The method that is applied in this research is by estimating the area of the burned area then estimating carbon dioxide gas which refers to the loss of burning biomass. The results showed that the number of

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Enyi, C. G., and D. Appah. "Improved Wastewater Treatment Using Carbon Dioxide." Advanced Materials Research 18-19 (June 2007): 569–75. http://dx.doi.org/10.4028/www.scientific.net/amr.18-19.569.

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This paper focus on the use of Carbon dioxide (CO2) instead of sulphuric acid (H2SO4) in a modified wastewater treatment scheme. Over 90% of the vented CO2 from an ammonia plant was used in this scheme, CO2 was directly injected into the wastewater to neutralize it, by reducing the pH to acceptable standard (7.0). This was achieved because the CO2 produces carbonic acid (H2CO3). The use of this process produced a better overall effluent quality of wastewater (pH, 7.56; TDS, 155.15 ppm; Heavy metal, 1.49 ; ppm) as against the use of H2SO4 (pH, 8.77; TDS, 1000 ppm; Heavy metals, 2.90 ppm) which

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Mezza, Alessio, Angelo Pettigiani, Nicolò B. D. Monti, et al. "An Electrochemical Platform for the Carbon Dioxide Capture and Conversion to Syngas." Energies 14, no. 23 (2021): 7869. http://dx.doi.org/10.3390/en14237869.

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We report on a simple electrochemical system able to capture gaseous carbon dioxide from a gas mixture and convert it into syngas. The capture/release module is implemented via regeneration of NaOH and acidification of NaHCO3 inside a four-chamber electrochemical flow cell employing Pt foils as catalysts, while the conversion is carried out by a coupled reactor that performs electrochemical reduction of carbon dioxide using ZnO as a catalyst and KHCO3 as an electrolyte. The capture module is optimized such that, powered by a current density of 100 mA/cm2, from a mixture of the CO2–N2 gas strea

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