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Journal articles on the topic 'Carbon regeneration'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Ko, Tse-Hao, and P. Chiranairadul. "Regeneration of PAN-based activated carbon fibers by thermal treatments in air and carbon dioxide." Journal of Materials Research 10, no. 8 (1995): 1969–76. http://dx.doi.org/10.1557/jmr.1995.1969.

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PAN-based activated carbon fibers were saturated by dye adsorption and then were regenerated by thermal treatment in carbon dioxide and in air. The dye adsorption and the regeneration were carried out in several cycles. The changes in fiber physical properties and the capacity of dye adsorption will be discussed. Activated carbon fibers regenerated in air had greater dye adsorption and weaker mechanical properties than those regenerated in carbon dioxide. The preferred orientation changed slightly during air reactivation, but it decreased gradually after carbon dioxide regeneration. The regene

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2

Nombamba, Ouéda, and W. Ouédraogo Igor. "Evaluation of the efficiency of chemical and thermal regeneration of rice husk hybrid adsorbent by glycerol adsorption." Journal of Scientific and Engineering Research 10, no. 12 (2023): 66–76. https://doi.org/10.5281/zenodo.10466093.

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<strong>Abstract </strong>This study investigates the regeneration efficiency of the chemical and thermal treated activated carbon previously used for biodiesel purification. Some analyses were carried out to find the chemical and physical modifications on the surface of regenerated activated carbon. In order to evaluate the regeneration efficiency, the regenerated activated carbons were used for glycerol removing. Therefore, the efficiency was studied by comparing adsorption rate of glycerol between the fresh and regenerated activated carbons. The analysis showed the similar chemical and phys

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Roncken, Th, A. Roebers, R. Hopman, et al. "Activated Carbon as an Adsorbent for the Separation of Low-Molecular Weight Alkyl Halides from Ground Water in the Production of Drinking Water. II. The Relationship between the Adsorption Capacity for Trichloroethene of Virgin and Regenerated Activated Carbons, and Their Achievement in the Purification of Deep-Well Ground Water." Adsorption Science & Technology 5, no. 4 (1988): 289–96. http://dx.doi.org/10.1177/026361748800500404.

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Activated carbon can be used for the separation of trichloroethene from contaminated deep-well ground water. When the activated carbon has become saturated with trichloroethene, it may be regenerated (i.e., purified from trichloroethene) by the manufacturer. After regeneration, it can be used again. It is shown that the activated carbon deteriorated gradually upon regeneration. Successive regenerations became necessary after ever-decreasing time intervals, and the amount of trichloroethene adsorbed from the ground water decreased gradually. It appears that the efficiency in the separation of t

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4

Li, Xin, Jiankang Wang, Xiao Zhang, et al. "A High-Efficient Carbon-Coated Iron-Based Fenton-Like Catalyst with Enhanced Cycle Stability and Regenerative Performance." Catalysts 10, no. 12 (2020): 1486. http://dx.doi.org/10.3390/catal10121486.

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Carbon coated iron-based Fenton-like catalysts are now widely studied in wastewater treatment. However, their poor stability is still a big challenge and the related regenerative performance is seldom investigated. Herein, a carbon-coated Fe3O4 on carbon cloth (cc/Fe3O4@C) was prepared with glucose as carbon source via electrodeposition and ethanol solvothermal methods. An amorphous carbon layer with polar C-groups covers the surface of Fe3O4, which presents a flaky cross-linked network structure on the carbon cloth (cc). The cc/Fe3O4@C exhibits an improved catalytic activity with nearly 84% p

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Dobrevski, I., and L. Zvezdova. "Biological Regeneration of Activated Carbon." Water Science and Technology 21, no. 1 (1989): 141–43. http://dx.doi.org/10.2166/wst.1989.0017.

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This paper reports the results of investigations into the effect of activated carbon pore structure on the process of carbon regeneration. The suitability of several different commercial activated carbons for biological regeneration was investigated. The pore volume, pore radii, and surface area of the carbons were determined by mercury intrusion and BET methods. The adsorption capacities of the carbons were measured in completely mixed batch reactor systems. Heterogeneous micro-organism cultures and crude cell extract were used for bioregeneration of the carbons. The comparative adsorption an

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Duan, Su Ming, Miao Jia, Ji Wei Hu, et al. "Optimization of Ultrasonic-Assisted Regeneration Process for Coconut Shell Activated Carbon Based on Response Surface Method." Advanced Materials Research 788 (September 2013): 450–55. http://dx.doi.org/10.4028/www.scientific.net/amr.788.450.

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The single-factorial design of experiments and response surface methodology was applied to optimize ultrasonic-assisted regeneration of coconut shell activated carbon. With the pH values of the solution, solid-liquid ratio, irradiation time chosen as the independent variable and the activated carbon release of antimony as response values, the central composite design method was used to study each of the variables and their interactions on coconut shell activated carbon regeneration. The results of this study showed that: the optimum pH value was 13; solid-liquid ratio was 372 mL·g-1; irradiati

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Mourão, Paulo A. M., Peter J. M. Carrott, Manuela M. L. Ribeiro Carrott, and Luisa Marques. "Different Ways to Regenerate an Activated Carbon: Comparison between an Activated Carbon from Cork and a Commercial Carbon." Materials Science Forum 587-588 (June 2008): 844–48. http://dx.doi.org/10.4028/www.scientific.net/msf.587-588.844.

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Activated carbons are materials extensively used to remove a variety of pollutants in different media. The porous structure, the surface chemistry and the type of adsorptive determine the potential of activated carbons as an adsorbent material. However, in a more global perspective it is necessary to consider other factors such as the economical viability of production and reuse. This last factor depends on the capacity of regeneration of the activated carbons after each application. Following this guideline, the objective of this work was to evaluate the capacity of regeneration of some speci

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Atamanyuk, Volodymyr, Iryna Huzova, and Zoriana Gnativ. "Intensification of Drying Process During Activated Carbon Regeneration." Chemistry & Chemical Technology 12, no. 2 (2018): 263–71. http://dx.doi.org/10.23939/chcht12.02.263.

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9

Wang, Guo Ping. "Discussion on Activated Carbon Regeneration Method." Applied Mechanics and Materials 641-642 (September 2014): 1127–30. http://dx.doi.org/10.4028/www.scientific.net/amm.641-642.1127.

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As an effective adsorbent, activated carbon is widely used in the treatment of wastewater. Describes some of the regeneration of activated carbon for reference: thermal regeneration method, chemical regeneration, biological regeneration method, electrochemical regeneration, regeneration ozone oxidation, wet oxidation regeneration shown, supercritical carbon dioxide extraction regeneration, regeneration of catalytic oxidation method, microwave and ultrasonic regeneration and so on.

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Aoki, Kaoru, Hisao Haniu, Yoong Ahm Kim, and Naoto Saito. "The Use of Electrospun Organic and Carbon Nanofibers in Bone Regeneration." Nanomaterials 10, no. 3 (2020): 562. http://dx.doi.org/10.3390/nano10030562.

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There has been an increasing amount of research on regenerative medicine for the treatment of bone defects. Scaffolds are needed for the formation of new bone, and various scaffolding materials have been evaluated for bone regeneration. Materials with pores that allow cells to differentiate into osteocytes are preferred in scaffolds for bone regeneration, and porous materials and fibers are well suited for this application. Electrospinning is an effective method for producing a nanosized fiber by applying a high voltage to the needle tip containing a polymer solution. The use of electrospun na

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Zhu, Zhao You, Wan Ling Wang, Li Li Wang, and Ying Long Wang. "Highly Efficient Regeneration Method for Analginum-Saturated Activated Carbon." Advanced Materials Research 781-784 (September 2013): 2071–75. http://dx.doi.org/10.4028/www.scientific.net/amr.781-784.2071.

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The regeneration of Analginum-saturated powdered activated carbon (PAC) using solvent extraction and thermal regeneration was investigated in detail to get the optimal conditions. In the solvent extraction step, various influence factors, such as pH of solvent, treatment time, and temperature were studied respectively. In addition, the optimal conditions of thermal regeneration were determined to be 500 °C, 120 min, with blowing N2 gas at 80 mL/min. Under the optimized conditions, the regeneration efficiency of spent PAC reached as high as 95.1%. This study provides a useful reference of regen

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Liu, Xin Zhong, Yong Jie Huang, Ze Ran Cheng, and Wei Liao. "Research on Environment Materials with Progress on Regeneration of Active Carbon." Applied Mechanics and Materials 540 (April 2014): 235–38. http://dx.doi.org/10.4028/www.scientific.net/amm.540.235.

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Now activated carbon has been used greatly in all walks of life, thus the regeneration of spent activated carbon is of great significance. The advantages and disadvantages of the regeneration methods of the spent activated carbon are introduced and discussed in this paper, mainly including thermal regeneration, chemical regeneration, electrochemical regeneration, microwave radiation regeneration, wet air oxidation and supercritical fluid regeneration etc. Then a new recycling method of the spent activated carbon is proposed.

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13

Coppola, Giovanni, and Davide Papurello. "Biogas Cleaning: Activated Carbon Regeneration for H2S Removal." Clean Technologies 1, no. 1 (2018): 40–57. http://dx.doi.org/10.3390/cleantechnol1010004.

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The coupling of fuel cell technology with wastewater treatment plants (WWTPs) is within the sustainable development imperative for the integration of energy production purposes and recovery of materials, even if research is still under development in this field. The anaerobic digestion process can be used for fuel cell feeding, only if trace contaminants are removed continuously. The most harmful and frequent contaminant is H2S. This article shows the results of H2S adsorption on activated carbon fixed-beds (dry process), since it is one of the best solutions from both the complexity and costs

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Gubiš, J., Z. Lajchová, and L. Klčová. "The effect of carbon source on plant regeneration in tomato." Horticultural Science 32, No. 1 (2011): 6–8. http://dx.doi.org/10.17221/3759-hortsci.

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&nbsp;The effect of different tomato cultivars and different sugar types (sucrose, glucose and maltose) and concentrations (1.0, 2.0 and 3.0%) on shoot regeneration from aseptically grown hypocotyl and cotyledon explants were studied. Among sugar types, sucrose at a concentration of 3.0% induced the highest number of shoots from both types of explants. In hypocotyl explants, cv. Premium showed the best regeneration capacity (0.23 shoots per explant), and in cotyledon explants, cv. Hana produced the maximal number of shoots (0.43 or 0.37 for media with 2.0% or 3.0% sucrose, respectively). &

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15

Hong, Hye-Sun, Hee-Jung Park, Ji-Min Lee, et al. "Bioactive Carbon Dots from Clove Residue: Synthesis, Characterization, and Osteogenic Properties." Biomedicines 13, no. 2 (2025): 527. https://doi.org/10.3390/biomedicines13020527.

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Background/Objectives: Bone regeneration using nanomaterial-based approaches shows promise for treating critical bone defects. However, developing sustainable and cost-effective therapeutic materials remains challenging. This study investigates the osteogenic potential of clove-derived carbon dots (C-CDs) for bone regeneration applications. Methods: C-CDs were synthesized using a green hydrothermal method. The osteogenic potential was evaluated in human bone marrow-derived mesenchymal stem cells (hBM-MSCs) and validated using ectopic bone formation and calvarial defect models. Results: C-CDs d

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Cheng, Wei, Feng Zhu, Chen Hang, and ZhengJie Xu. "Study on regeneration performance of carbon fluoride adsorbent in SF₆ gas." E3S Web of Conferences 441 (2023): 01023. http://dx.doi.org/10.1051/e3sconf/202344101023.

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To study the regeneration of CF-100 type microcrystalline material after adsorbing carbon fluorides in SF6, an experimental device was built that can achieve both vacuum desorption of carbon fluorides and auxiliary heating to promote vacuum desorption of carbon fluorides. Thermogravimetric analyzer and Fourier transform infrared spectrometer were used to analyze the optimal treatment temperature and time of regeneration technology for promoting vacuum desorption of fluorocarbon by auxiliary heating. A comparative study was conducted on the two regeneration techniques mentioned above by analyzi

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Zhu, Zhao You, Li Li Wang, Wan Ling Wang, and Ying Long Wang. "Study on Thermal Regeneration for Caffeine-Saturated Activated Carbon." Advanced Materials Research 781-784 (September 2013): 1941–44. http://dx.doi.org/10.4028/www.scientific.net/amr.781-784.1941.

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Waste activated carbon (AC) containing caffeine was produced during the process of the production for caffeine. The process of treatment caffeine-saturated AC using thermal regeneration was explored and factors on the regeneration of activated carbon were investigated. The optimum conditions obtained were: temperature is 650 °C, the regeneration time is 180 min, the carrier gas velocity is 0.002 m/s, carbon layer thickness is 0.1 m. Under these conditions, activated carbon regeneration efficiency reached 90.3%. In addition, the pore structure of activated carbon before and after regeneration w

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18

Sun, Zhiguo, Menglu Wang, Jiaming Fan, Yue Zhou, and Li Zhang. "Regeneration Performance of Activated Carbon for Desulfurization." Applied Sciences 10, no. 17 (2020): 6107. http://dx.doi.org/10.3390/app10176107.

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This study explored the regenerated performance of activated carbon (AC) as SO2 adsorbent. The optimal conditions of SO2 removal were determined by experiment, and then the adsorption efficiency of AC was studied by a method of thermal regeneration. The characteristics of regenerated AC were analyzed by Brunauer-Emmett-Teller (BET) and Scanning Electron Microscopy (SEM) methods. The test results showed that the most suitable adsorption conditions were using 4 g of activated carbon, 1.65 L/min gas flue rate, and 5% O2. During the ten regenerations, the desulfurization efficiency and sulfur capa

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Nkiawete, Mpila Makiesse, and Randy Vander Wal. "Thermo-Catalytic Decomposition Comparisons: Carbon Catalyst Structure, Hydrocarbon Feed and Regeneration." Catalysts 13, no. 10 (2023): 1382. http://dx.doi.org/10.3390/catal13101382.

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Thermo-catalytic decomposition (TCD) activity and stability depend upon the initial carbon catalyst structure. However, further transitions in the carbon structure depend on the carbon material (structure and composition) originating from the TCD process. In this article, reaction data are presented that illustrates the time-dependent TCD activity as TCD-formed carbon contributes and then dominates conversion. A variety of initial carbon catalysts are compared, including sugar char, a conductive carbon black (AkzoNobel Ketjenblack), a rubber-grade carbon black (Cabot R250), and its graphitized

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Hong, Hsuan-Yi, Niels Michiel Moed, Young Ku, and Hao-Yeh Lee. "Ultrasonic Regeneration Studies on Activated Carbon Loaded with Isopropyl Alcohol." Applied Sciences 10, no. 21 (2020): 7596. http://dx.doi.org/10.3390/app10217596.

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Ultrasonic regeneration of activated carbon loaded with isopropyl alcohol (IPA) was studied. IPA adsorption was performed batchwise at varying solution pH. Adsorption was optimal at solution pH 7, which was closest to the point of zero charge of the activated carbon (6.7). Ultrasonic regeneration was performed on IPA-loaded activated carbon with three factors being tested: ultrasonic intensity, solution temperature and ethanol addition. Regeneration efficiency increased with ultrasonic intensity up to 32.4 W/cm2. A higher intensity led to a higher desorption but damaged the activated carbon, s

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Jung, Eunyoung, Seong-Ho Koh, Myeongjong Yoo, and Yoon Kyung Choi. "Regenerative Potential of Carbon Monoxide in Adult Neural Circuits of the Central Nervous System." International Journal of Molecular Sciences 21, no. 7 (2020): 2273. http://dx.doi.org/10.3390/ijms21072273.

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Regeneration of adult neural circuits after an injury is limited in the central nervous system (CNS). Heme oxygenase (HO) is an enzyme that produces HO metabolites, such as carbon monoxide (CO), biliverdin and iron by heme degradation. CO may act as a biological signal transduction effector in CNS regeneration by stimulating neuronal intrinsic and extrinsic mechanisms as well as mitochondrial biogenesis. CO may give directions by which the injured neurovascular system switches into regeneration mode by stimulating endogenous neural stem cells and endothelial cells to produce neurons and vessel

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Parveen, Rahat, and Haq Nawaz. "Regeneration of Spend Activated Carbon." Pakistan Journal of Biological Sciences 3, no. 5 (2000): 866–67. http://dx.doi.org/10.3923/pjbs.2000.866.867.

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23

Vedhanayagam, Mohan, Iruthayapandi Selestin Raja, Anara Molkenova, Timur Sh Atabaev, Kalarical Janardhanan Sreeram, and Dong-Wook Han. "Carbon Dots-Mediated Fluorescent Scaffolds: Recent Trends in Image-Guided Tissue Engineering Applications." International Journal of Molecular Sciences 22, no. 10 (2021): 5378. http://dx.doi.org/10.3390/ijms22105378.

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Regeneration of damaged tissues or organs is one of the significant challenges in tissue engineering and regenerative medicine. Many researchers have fabricated various scaffolds to accelerate the tissue regeneration process. However, most of the scaffolds are limited in clinical trials due to scaffold inconsistency, non-biodegradability, and lack of non-invasive techniques to monitor tissue regeneration after implantation. Recently, carbon dots (CDs) mediated fluorescent scaffolds are widely explored for the application of image-guided tissue engineering due to their controlled architecture,

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Jurkiewicz, Martyna, and Robert Pełech. "Adsorption of 1,2-Dichlorobenzene from the Aqueous Phase onto Activated Carbons and Modified Carbon Nanotubes." International Journal of Molecular Sciences 22, no. 23 (2021): 13152. http://dx.doi.org/10.3390/ijms222313152.

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This study aimed to describe the adsorption process of ortho-dichlorobenzene (o-DCB) onto activated carbons (ACs) and modified carbon nanotubes (CNTs) from the aqueous phase. The starting material NC_7000 carbon nanotubes were modified by chlorination (NC_C) and then by the introduction of hydroxyl groups (NC_C_B). The concentration of o-DCB in solutions was performed by UV-VIS spectrophotometry. After adsorption, the activated carbons were regenerated by extraction with organic solvents such as acetone, methanol, ethanol, and 1-propanol; the carbon nanotubes were regenerated by methanol. The

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Fang, Kailun, Suzana Ariff Azizan, and Yifei Wu. "Low-Carbon Community Regeneration in China: A Case Study in Dadong." Sustainability 15, no. 5 (2023): 4136. http://dx.doi.org/10.3390/su15054136.

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Low carbon sustainability has been addressed in China’s sustainable urbanism strategies as a response the impact of climate change. This study empirically examines the relationship between household factors and carbon emissions in the context of community regeneration through the use of correlational and regression analysis. The participants were drawn from the Dadong community in Guangzhou, China, who has been participating in low-carbon community regeneration. In total, 102 valid questionnaires were obtained from homeowners and the data were analyzed with SPSS and STATA software with an OLS

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VELICHKINA, L. M., and YA E. BARBASHIN. "STUDY OF THE PHYSICOCHEMICAL PROPERTIES OF GASOLINE-UPGRADING ZEOLITE CATALYST IN REACTION-REGENERATION CYCLES." Chemistry for Sustainable Development 33, no. 2 (2025): 165–72. https://doi.org/10.15372/csd2025641.

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A catalyst for the process of upgrading the straight-run gasoline fraction of oil was developed on the basis of pentasil zeolite by means of postsynthetic alkaline treatment, followed by the introduction of nanosized nickel powder. Three reaction-regeneration cycles were carried out, textural, acidic and catalytic properties of the initial and regenerated samples were studied, the amount of carbon compaction products and temperature range of their removal were determined. It is shown by IR spectroscopy that triplicate regeneration of carbonised zeolite catalysts does not change their crystal s

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Liu, Yan, Meiyue Sang, Xiangrui Xu, Liyin Shen, and Haijun Bao. "How Can Urban Regeneration Reduce Carbon Emissions? A Bibliometric Review." Land 12, no. 7 (2023): 1328. http://dx.doi.org/10.3390/land12071328.

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As urbanization continues to accelerate worldwide, the consequential rise in CO2 emissions has caused substantial environmental challenges. Urban regeneration has emerged as a promising approach to reducing carbon emissions and developing low-carbon cities. Even though both urban regeneration and carbon emissions reduction have been researched from various perspectives, a thorough review is still required to completely reveal their multifaceted relationship. Based on 231 papers published between 2001 and 2023, a bibliometric analysis was conducted to understand the overall trajectory and main

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Zhang, Tingting, Yanling Yang, Xing Li, Zhiwei Zhou, and Bigui Wei. "Ultrasonic–Thermal Regeneration of Spent Powdered Activated Carbon." Sustainability 15, no. 11 (2023): 9060. http://dx.doi.org/10.3390/su15119060.

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This study investigated the ultrasonic–thermal regeneration of powdered activated carbon (PAC) spent using 4-chlorophenol (4-CP). Similarly, a thermal regeneration process was also studied and the reaction conditions (i.e., regeneration temperature, heating rate, regeneration time) were tested. Fourier transform infrared spectroscopy (FT-IR), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD) analysis were applied to characterize the regenerated PACs under different treatments (thermal, ultrasonic and ultraso

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Ciobanu, Mihail, Tudor Lupascu, Nina Timbaliuc, and Nina Boldurescu. "Regeneration of AG-3 activated carbon used in surface water processes." Studia Universitatis Moldaviae. Seria Științe ale Naturii, no. 6(166) (April 2024): 106–12. http://dx.doi.org/10.59295/sum6(166)2023_14.

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The thermal regeneration process of the used AG-3 activated carbon from the water treatment plant in Chisinau was studied. The regeneration process was carried out at different temperatures and for different periods of time with water vapor. To evaluate the degree of regeneration of activated carbon samples, the adsorption isotherms of benzene and methylene blue from aqueous solutions were measured. It was found that at high temperatures the complete regeneration of the used AG-3 activated carbon occurred. This fact has been confirmed by the practically equal methylene blue adsorption values o

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Vinay P.S, Rithik, Shashank Sivakumar, and Prof Dr Saibol Ray. "Carbon Nanotubes for Neural Applications." International Research Journal of Innovations in Engineering and Technology 08, no. 04 (2024): 363–66. http://dx.doi.org/10.47001/irjiet/2024.804058.

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This research proposal investigates the feasibility of utilizing carbon nanotubes (CNTs) for neural applications. Due to their exceptional mechanical strength, electrical conductivity, and biocompatibility, CNTs present significant potential for biomedical uses. This study focuses on their role in peripheral nerve regeneration and as components of neural interfaces. We hypothesize that CNTs can promote nerve regeneration and serve as efficient neural electrodes due to their unique properties. The objectives include assessing biocompatibility, evaluating electrical properties, designing CNT-bas

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Usmani, Sadaf, Audrey Franceschi Biagioni, Manuela Medelin, et al. "Functional rewiring across spinal injuries via biomimetic nanofiber scaffolds." Proceedings of the National Academy of Sciences 117, no. 41 (2020): 25212–18. http://dx.doi.org/10.1073/pnas.2005708117.

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The regrowth of severed axons is fundamental to reestablish motor control after spinal-cord injury (SCI). Ongoing efforts to promote axonal regeneration after SCI have involved multiple strategies that have been only partially successful. Our study introduces an artificial carbon-nanotube based scaffold that, once implanted in SCI rats, improves motor function recovery. Confocal microscopy analysis plus fiber tracking by magnetic resonance imaging and neurotracer labeling of long-distance corticospinal axons suggest that recovery might be partly attributable to successful crossing of the lesio

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Chen, Routong, Jiaxin Meng, Shiyi Tan, et al. "Plasma-Assisted Regeneration of Activated Carbon: Current Status and Prospects." Inorganics 13, no. 7 (2025): 209. https://doi.org/10.3390/inorganics13070209.

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Activated carbon (AC) is widely used in pollution control, but it faces significant challenges in regeneration due to secondary pollution and structural degradation. Traditional methods, such as thermal and chemical regeneration, are energy-intensive and inefficient. Plasma-based regeneration, which includes high-voltage pulsed discharge and dielectric barrier discharge, provides an effective approach for restoring AC adsorption capacity with minimal environmental impact. While plasma techniques risk damaging AC’s porous structure, recent advances demonstrate their potential for efficient rege

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Li, Ya, and Da Li Ma. "Green Regeneration of Hemp Fiber." Applied Mechanics and Materials 295-298 (February 2013): 403–7. http://dx.doi.org/10.4028/www.scientific.net/amm.295-298.403.

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Application of hemp fiber to low-carbon design can realize conceptual innovation. This article takes low-carbon clothing as development objective, and excavates and develops its huge competitive advantages on the low-carbon clothing application aspect through studying the practical applicability of hemp fiber. Starting from green regeneration of hemp fiber, the designers would play their design creativity on the basis of visual effect, tactile effect, integral feeling and other aspects, and endow the hemp fabric more design philosophy and flexile technique of expression applying the design ski

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Dąbek, Lidia, Ewa Ozimina, and Anna Picheta-Oleś. "Assessing the Influence of the Presence of Heavy Metals Adsorbed on Activated Carbon on the Efficiency of Degradation of Phenol Using Selected Oxidizing Agents." Ecological Chemistry and Engineering S 19, no. 2 (2012): 249–57. http://dx.doi.org/10.2478/v10216-011-0019-6.

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Assessing the Influence of the Presence of Heavy Metals Adsorbed on Activated Carbon on the Efficiency of Degradation of Phenol Using Selected Oxidizing Agents Removing organic substances from wastewater is a complex problem. Different methods are used for this purpose. Recently, much attention has been given to the application of sorption and advanced oxidation processes (AOPs), which contribute also to the regeneration of activated carbon. The analysis presented in this paper focused on determining the influence of Cu(II) and Fe(II) ions adsorbed on activated carbon on the efficiency of oxid

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van Vliet, B. M., and L. Venter. "Infrared Thermal Regeneration of Spent Activated Carbon from Water Reclamation." Water Science and Technology 17, no. 6-7 (1985): 1029–42. http://dx.doi.org/10.2166/wst.1985.0199.

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An infrared conveyor-belt furnace was evaluated and utilized to conduct a parametric study on the effects of temperature and residence time on spent granular carbon intraparticle structure and concomitant regeneration efficiencies, incorporating an appraisal of the efficacy of low-temperature long-residence-time regeneration conditions. In addition, a virgin carbon of the same type and particle size fraction as was used in the above regeneration study, was subjected to equivalent temperature and residence time conditions to serve as a control experiment designed to shed light on the effects of

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Yang, Dong, and Xin Du. "A review about microwave regeneration technology of waste activated carbon." IOP Conference Series: Earth and Environmental Science 983, no. 1 (2022): 012101. http://dx.doi.org/10.1088/1755-1315/983/1/012101.

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Abstract Activated carbon (AC) can concentrate and transfer pollutants using its own adsorption capacity. Waste AC is a kind of solid waste, its adsorption capacity of pollutants is greatly reduced after adsorption saturation. If handled improperly, it will cause secondary pollution to the environment. Therefore, it is necessary to regenerate the waste AC to restore its adsorption performance and reduce environmental pollution and resource waste. Microwave regeneration technology is of great research value because of its low energy consumption, time saving and high efficiency. Based on the cha

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Baldassarre, G., and V. Amicarelli. "Low-temperature regeneration of activated carbon." Journal of Thermal Analysis 30, no. 2 (1985): 339–43. http://dx.doi.org/10.1007/bf02156499.

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Zhang, Guojun, Sanfan Wang, and Zhongzhou Liu. "Ultrasonic Regeneration of Granular Activated Carbon." Environmental Engineering Science 20, no. 1 (2003): 57–64. http://dx.doi.org/10.1089/109287503762457581.

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Narbaitz, Roberto M., and Jianqi Cen. "Electrochemical regeneration of granular activated carbon." Water Research 28, no. 8 (1994): 1771–78. http://dx.doi.org/10.1016/0043-1354(94)90250-x.

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Harriott, Peter, and Alan Tat-Yan Cheng. "Kinetics of spent activated carbon regeneration." AIChE Journal 34, no. 10 (1988): 1656–62. http://dx.doi.org/10.1002/aic.690341009.

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Liu, P. K. T., and N. J. Wagner. "Thermal regeneration of granular activated carbon." Environmental Progress 4, no. 2 (1985): 136–41. http://dx.doi.org/10.1002/ep.670040216.

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Haga, T., and Y. Nishiyama. "Regeneration of Nickel Catalyst on Carbon." Journal of Catalysis 140, no. 1 (1993): 168–72. http://dx.doi.org/10.1006/jcat.1993.1075.

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Foo, K. Y., and B. H. Hameed. "Microwave-assisted regeneration of activated carbon." Bioresource Technology 119 (September 2012): 234–40. http://dx.doi.org/10.1016/j.biortech.2012.05.061.

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Zhang, Yiqiang, John Mignone, and W. Robb MacLellan. "Cardiac Regeneration and Stem Cells." Physiological Reviews 95, no. 4 (2015): 1189–204. http://dx.doi.org/10.1152/physrev.00021.2014.

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After decades of believing the heart loses the ability to regenerate soon after birth, numerous studies are now reporting that the adult heart may indeed be capable of regeneration, although the magnitude of new cardiac myocyte formation varies greatly. While this debate has energized the field of cardiac regeneration and led to a dramatic increase in our understanding of cardiac growth and repair, it has left much confusion in the field as to the prospects of regenerating the heart. Studies applying modern techniques of genetic lineage tracing and carbon-14 dating have begun to establish limi

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Ceroni, Ludovica, Stefania Benazzato, Samuel Pressi, Laura Calvillo, Ester Marotta, and Enzo Menna. "Enhanced Adsorption of Methylene Blue Dye on Functionalized Multi-Walled Carbon Nanotubes." Nanomaterials 14, no. 6 (2024): 522. http://dx.doi.org/10.3390/nano14060522.

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Carbon nanomaterials are promising adsorbents for dye removal from wastewater also due to their possible surface functionalization that, in principle, can increase the adsorption rate and provide regeneration. To investigate the real advantages of functionalization, we synthesized and characterized through IR, TGA, TEM, XPS and DLS measurements a multi-walled carbon nanotube (MWCNT) derivative bearing benzenesulfonate groups (MWCNT-S). The obtained material demonstrated to have good dispersibility in water and better capability to adsorb methylene blue (MB) compared to the pristine MWCNT adsor

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Mao, Jie, Yongqiang Zhu, Qiwei Chen, and Huayang Yu. "Energy Consumption and Carbon Emission Analysis of Typical Regeneration Methods for Asphalt Pavements." Buildings 13, no. 6 (2023): 1569. http://dx.doi.org/10.3390/buildings13061569.

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A quantitative evaluation was conducted on the energy consumption and carbon emissions during the asphalt pavement regeneration process, and the energy consumption and emission ratios during the construction and raw material production stages of the cold and hot regeneration process were obtained. This study applies the theory of life cycle assessment to propose an evaluation framework and calculation method suitable for quantitatively evaluating the environmental impact of the asphalt pavement regeneration process. Firstly, based on the life cycle evaluation theory, the evaluation framework a

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Li, Yang, Qiu Hong Ai, Hao Xin Wang, and He’an Luo. "The Regeneration of the Spent Catalyst Resulted from 3,4,5,6-Tetrachloropyridine-2-Carbonitrile Synthesis." Advanced Materials Research 550-553 (July 2012): 2436–46. http://dx.doi.org/10.4028/www.scientific.net/amr.550-553.2436.

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In order to optimize the process conditions for regeneration of activated carbon form spent catalyst resulted from 3,4,5,6-tetrachloropyridine-2-carbonitrile synthesis. A two-step process involving the thermal desorption of spent activated carbon and the activation of activated carbon treated by thermal desorption with steam was designed. The influence of desorption temperature, time and the flow rate of nitrogen on the yield of chlorides, the iodine adsorption capacity and the yield of activated carbon were investigated, respectively . The optimal desorption conditions were: temperature of 65

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Pavia, Frank J., Robert F. Anderson, Phoebe J. Lam, et al. "Shallow particulate organic carbon regeneration in the South Pacific Ocean." Proceedings of the National Academy of Sciences 116, no. 20 (2019): 9753–58. http://dx.doi.org/10.1073/pnas.1901863116.

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Particulate organic carbon (POC) produced in the surface ocean sinks through the water column and is respired at depth, acting as a primary vector sequestering carbon in the abyssal ocean. Atmospheric carbon dioxide levels are sensitive to the length (depth) scale over which respiration converts POC back to inorganic carbon, because shallower waters exchange with the atmosphere more rapidly than deeper ones. However, estimates of this carbon regeneration length scale and its spatiotemporal variability are limited, hindering the ability to characterize its sensitivity to environmental condition

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Hutchinson, David H., and Campbell W. Robinson. "A microbial regeneration process for granular activated carbon—II. regeneration studies." Water Research 24, no. 10 (1990): 1217–23. http://dx.doi.org/10.1016/0043-1354(90)90044-7.

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Wu, Xiurong, Peifang Chong, Erwen Xu, et al. "Relationships between Regeneration of Qinghai Spruce Seedlings and Soil Stoichiometry across Elevations in a Forest in North-Western China." Forests 15, no. 2 (2024): 267. http://dx.doi.org/10.3390/f15020267.

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Qinghai spruce (Picea crassifolia Kom.) is an ecologically important species in the forest ecosystem of the Qilian Mountains region in China. Natural regeneration of this species is critical to maintaining forest ecosystem function. Here, we analyzed several biological indicators among naturally regenerating Qinghai spruce across several elevations in the Pailugou watershed. Specifically, seedling density, basal diameter (BD), and plant height were measured, as were soil physicochemical parameters, at 2700 m, 3000 m, and 3300 m above sea level. Differences in the regeneration indicators and co

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