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Journal articles on the topic 'Iron electrolysis'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Buchheister, Paul Wolfgang, Malte Klingenhof, Trung Ngo Thanh, Sven Brueckner, Fabio Dionigi, and Peter Strasser. "(Invited) Insights into NiFe-LDH Catalysis and Its Implementation into Asymmetric-Feed Seawater-Electrolysers." ECS Meeting Abstracts MA2025-01, no. 38 (2025): 1957. https://doi.org/10.1149/ma2025-01381957mtgabs.

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As the devastating impacts of climate change become ever more apparent, the urgency for renewable energy solutions has reached a critical point. Seawater electrolysis stands out as a promising technology for sustainable energy storage, converting excess renewable energy into hydrogen, which can be stored and utilized later. This method not only mitigates the volatility of renewable energy generation but also offers a scalable, environmentally friendly solution without competing for precious freshwater resources. Nickel-Iron Layered Double Hydroxide (NiFe-LDH) has long been regarded as one of t

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2

Huck, Marten, Lisa Ring, Karsten Küpper, Johann Klare, Diemo Daum, and Helmut Schäfer. "Water splitting mediated by an electrocatalytically driven cyclic process involving iron oxide species." Journal of Materials Chemistry A 8, no. 19 (2020): 9896–910. http://dx.doi.org/10.1039/d0ta03340e.

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The water splitting reaction mediated by an electrocatalytically driven cycle with suspended iron oxide species enables significantly lower overpotentials for the oxygen evolution reaction compared to classic electrolysis of clear electrolytes.

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3

Wang, Yi Bo, Yong Hong Liu, Wei Fu, Li Cheng Chen, Yao Zhong Li, and Su Hua Wu. "Treatment of Actual Dyeing Wastewater by Continuous Iron-Carbon Micro-Electrolysis Process." Advanced Materials Research 838-841 (November 2013): 2395–99. http://dx.doi.org/10.4028/www.scientific.net/amr.838-841.2395.

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Continuous treating process by iron-carbon micro-electrolytic technology treating actual dyeing wastewater was studied, performance of the micro-electrolysis reactor (MER) assembled homemade iron-carbon micro-electrolysis materials (MEM) and the process of alkaline addition, the properties of iron mud (flocculation precipitation produced from alkaline addition) were also investigated. The results shows that:(1) COD removal rate of MER was stable at around 60%, and the chroma could reached less than 40 times at stable stage of 60 days operation; (2) According to 30 days of continuous operation

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4

Sun, Zhen-Zhu, Zhong-Hai Liu, Le Han, Dong-Ling Qin, Gang Yang, and Wei-Hong Xing. "Study on the treatment of simulated azo dye wastewater by a novel micro-electrolysis filler." Water Science and Technology 79, no. 12 (2019): 2279–88. http://dx.doi.org/10.2166/wst.2019.234.

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Abstract A new type of iron-copper-carbon (Fe-Cu-C) ternary micro-electrolysis filler was prepared with a certain proportion of iron powder, activated carbon, bentonite, copper powder, etc. The effect of the new type of micro-electrolysis filler on the simulated methyl orange dye wastewater was studied. The effects of various operational parameters, such as reaction time, initial pH value, aeration rate, filler dose and reaction temperature, on the degradation rate of methyl orange were studied to determine the optimum treatment conditions, and the micro-electrolysis filler was characterized b

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5

Badalbayli, Anar, Nicholas Scott Sinclair, and Rohan Akolkar. "Molten Salt Electrolysis for Sustainable Iron Metal Production." ECS Meeting Abstracts MA2024-02, no. 22 (2024): 1853. https://doi.org/10.1149/ma2024-02221853mtgabs.

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Iron and steel production, comprising approximately 95% of the global metal output annually1, are integral to modern industrialization, with steel serving as a critical material across various sectors, including construction and automotive industries. However, the industry's significant environmental impact is evident in the escalating CO2 emissions observed over the last decade. Due to this massive environmental burden, efforts to develop cleaner alternatives that benefit from advantages of electrochemistry have grown. Existing and emerging electrochemical processes ideally aim for emission-f

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6

Mishima, I., M. Hama, Y. Tabata, and J. Nakajima. "Long-term investigation of phosphorus removal by iron electrocoagulation in small-scale wastewater treatment plants." Water Science and Technology 78, no. 6 (2018): 1304–11. http://dx.doi.org/10.2166/wst.2018.402.

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Abstract Small-scale wastewater treatment plants (SWTPs), called Johkasou, are widely used as decentralized and individual wastewater treatment systems in sparsely populated areas in Japan. Even in SWTPs, nutrients should be removed to control eutrophication. An iron electrolysis method is effective to remove phosphorus chemically in SWTPs. However, it is necessary to determine the precise conditions under which phosphorus can be effectively and stably removed in full scale SWTPs for a long period. Therefore, long-term phosphorus removal from SWTPs was investigated and optimum operational cond

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7

Wahyono, Y., R. Irviandi, N. K. Lo, et al. "Producing Fe and Cu ions and oxides in water with electrolysis as artificial liquid waste." IOP Conference Series: Earth and Environmental Science 1098, no. 1 (2022): 012032. http://dx.doi.org/10.1088/1755-1315/1098/1/012032.

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Abstract Water - in the context of an inland water source - is complex when used as an object of research. Often when using river water samples, researchers struggle to find the desired composition. Therefore, a simple and controlled method is needed to produce test samples with specific substance compositions. This study aims to use electrolysis to produce artificial heavy metal waste. Iron (Fe) and copper (Cu) provided the electrodes and water the electrolytes. Electrolysis of water with Fe electrodes produced Fe3+ ions and Fe(OH)3 precipitation. Electrolysis of water with Cu electrodes prod

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8

Arakcheev, Evgeny N., V. E. Brunman, M. V. Brunman, A. V. Konyashin, V. A. Dyachenko, and A. P. Petkova. "Complex technology for water and wastewater disinfection and its industrial realization in prototype unit." Hygiene and sanitation 96, no. 2 (2019): 137–43. http://dx.doi.org/10.18821/0016-9900-2017-96-2-137-143.

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Usage of complex automated electrolysis unit for drinking water disinfection and wastewater oxidation and coagulation is scoped, its ecological and energy efficiency is shown. Properties of technological process of anolyte production using membrane electrolysis of brine for water disinfection in municipal pipelines and potassium ferrate production using electrochemical dissolution of iron anode in NaOH solution for usage in purification plants are listed. Construction of modules of industrial prototype for anolyte and ferrate production and applied aspects of automation of complex electrolysis

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9

Hong, Zhen Wei, Chun-I. Lee, and Chun-Jern Pan. "Nickel-Based Metal-Organic Framework Materials with Mixed Ferrocene-Based Ligands As Anodic Catalysts for Water Electrolysis and Urea Electrolysis." ECS Meeting Abstracts MA2024-01, no. 34 (2024): 1887. http://dx.doi.org/10.1149/ma2024-01341887mtgabs.

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Water electrolysis is a highly promising technology for hydrogen production, generating green hydrogen with no greenhouse gas emissions. The water electrolysis reaction involves two half-reactions: hydrogen evolution and oxygen evolution. While oxygen evolution in water electrolysis involves a four-electron transfer requiring higher overpotential and thus leading to energy consumption. Urea electrolysis offers lower theoretical energy consumption than water electrolysis, making them a key technology in future electrolytic hydrogen production processes. Conventional anodic catalysts, such as Ir

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10

Kisel', YU E., S. P. Simokhin, and S. A. Murachev. "Intensification of the recovery of hydraulic equipment parts by iron in the electrolyte flow." Traktory i sel hozmashiny 88, no. 4 (2021): 63–70. http://dx.doi.org/10.31992/0321-4443-2021-4-63-70.

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The technology of bath-free ironing of parts in an electrolyte flow with simultaneous hydromechanical activation of the growing surface is proposed. Its advantages over the traditional type of coating are introduced. The structure, some physicomechanical and operational properties of iron coatings were studied depending on the electrolysis regimes and the composition of electrolytes. The possibility of high-speed electrodeposition of iron with a wide range of physical and mechanical properties is shown. There were shown the electrolysis modes, which make it possible to obtain high-quality stro

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11

Suryarao, Kimaya Prasad, Katrin Ellen Daehn, and Antoine Allanore. "Iron Production By Molten Sulfide Electrolysis." ECS Meeting Abstracts MA2024-01, no. 55 (2024): 2914. http://dx.doi.org/10.1149/ma2024-01552914mtgabs.

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With urgency and incentives to cut CO2 emissions, alongside increasing demand for steel, there is a need for technologies that use solely electricity for iron ore reduction, eliminating the role of carbon as a reductant. Herein, we propose the electrolytic production of liquid cast iron using a novel sulfide route, molten sulfide electrolysis (MSE). The process operates using sulfide chemistry and an inert anode. Sulfides are well known from non-ferrous metallurgy1 and the exclusion of oxygen supports a virtual elimination of green-house gases(GHG) emissions from the reduction step. The electr

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12

Liu, Yong Hong, Yi Bo Wang, Wei Fu, Li Cheng Chen, Yao Zhong Li, and Li Na Wang. "Study on Advanced Treatment of Alkali Dyeing Wastewater by Continuous Process of Iron Carbon Micro-Electrolysis-UASB-SBR." Advanced Materials Research 955-959 (June 2014): 144–48. http://dx.doi.org/10.4028/www.scientific.net/amr.955-959.144.

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By use of iron-carbon micro-electrolysis-UASB-SBR continuous process, treatment of an actual alkali dyeing wastewater (pH 11.50~13.50) taken from a certain factory in Xian-Yang was studied. The results indicated that: (1) When the influent COD is 1000~1600 mg·L-1, chroma 250 times, firstly effluent COD reduced to 400~800 mg·L-1and chroma 40 times by iron-carbon micro-electrolysis process, secondly effluent COD dropped to 250~500 mg·L-1by UASB process, finally effluent COD dropped to 70~98 mg·L-1by a SBR with loading PVA micro-gel beads, which meet the direct emission limits of water pollutants

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13

TANIMURA, Yuji, Takahiro ITOH, Masayoshi KATO, and Yasuie MIKAMI. "Electrolytic Regeneration of Iron (III) Chloride Etchant I. Batch Electrolysis." Denki Kagaku oyobi Kogyo Butsuri Kagaku 63, no. 8 (1995): 737–43. http://dx.doi.org/10.5796/kogyobutsurikagaku.63.737.

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14

TANIMURA, Yuji, Takahiro ITOH, Masayoshi KATO, and Yasuie MIKAMI. "Electrolytic Regeneration of Iron (III) Chloride Etchant II. Continuous Electrolysis." Denki Kagaku oyobi Kogyo Butsuri Kagaku 64, no. 4 (1996): 301–6. http://dx.doi.org/10.5796/kogyobutsurikagaku.64.301.

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15

H. Abbar, Ali, Jameel Y. Abdul-Ridha, and Sameer H. Kareem. "Electrolytic preparation of Iron powder with particle Size Less than 106 pm." Iraqi Journal of Chemical and Petroleum Engineering 8, no. 1 (2007): 51–57. http://dx.doi.org/10.31699/ijcpe.2007.1.8.

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Avery large numbers of articles are made by powder metallurgical methods using electrolytically reduced metal powders. Iron powder is one of these powders which play an important role in this field. Its preparation by electrolytic method is economic in comparison with the traditional methods (Atomization and carbonyl processes). An electrochemical cell consisting of two electrodes (stainless steel cathode and iron anode, 99.9%) was used to study the electrolytic preparation of iron powder with particle size less than 106µm directly as powde1y form. Ferrous sulphate electrolyte was used c

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16

Nenastina, Tetiana, Мikola Sakhnenko, Valeria Proskurina, and Lyudmila Haponova. "SYNTHESIS OF ELECTROLYTIC TERNARY ALLOYS WITH HIGH MICROHARDNESS." Bulletin of the National Technical University «KhPI» Series: New solutions in modern technologies, no. 4(22) (December 29, 2024): 56–61. https://doi.org/10.20998/2413-4295.2024.04.07.

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Electrodeposition of electrolytic alloys consisting of metals of the iron subgroup and zirconium allows obtaining a coating with a unique combination of physical and chemical properties that cannot be achieved by other coating methods. One of the reasons limiting the use of electrolytic coatings based on such alloys is the complexity of process control process and composition forecasting. The properties of alloys of the iron subgroup containing refractory metals and their composites depend not only on the chemical composition, that is, the content of the refractory component, but also on the d

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17

Haarberg, Geir Martin. "Electrowinning of Light Metals from Molten Salts Electrolytes." ECS Transactions 114, no. 6 (2024): 13–21. http://dx.doi.org/10.1149/11406.0013ecst.

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Light metals such as lithium, sodium, potassium, magnesium and aluminium may be produced by molten salts electrolysis. Aluminium is produced by the Hall-Heroult process by electrolysis in molten salts. It is by far the largest in terms of production volumes and for metals second only to iron and steel, but it carries a very high carbon footprint mainly due to the wide-spead use of electricity based on based on coal. Magnesium is currently produced by silicothermic reduction of MgO according to the Pidgeon process. However, electrolysis in molten chloride electrolytes using MgCl2 as feedstock m

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18

An, Zheng Yang, Yuan Yuan Wang, and Xiao Jun Xu. "Internal Electrolysis Intensified by Microwave for the Treatment of Nitrobenzene – Containing Wastewater." Advanced Materials Research 641-642 (January 2013): 178–82. http://dx.doi.org/10.4028/www.scientific.net/amr.641-642.178.

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Treatment of nitrobenzene-containing wastewater was carried out by iron-carbon internal electrolysis and microwave and its degradation mechanism was investigated. The parameters is found in the process of treating nitrobenzene-containing wastewater. The experimental results showed that the microwave intensified the internal electrolysis effect of iron-carbon and the existence of iron was beneficial to the regeneration of activated carbon. Under the optimized electrolysis conditions as follows: iron dosage was 175g, molar ratio of Fe to C was 3, pH was 3, microwave power was 640W, irradiation t

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19

Li, Liang, Bing Zhe Xu, Chang Yu Lin, and Xiao Min Hu. "Synergetic Degradation of Zidovudine Wastewater by Ultrasonic and Iron-Carbon Micro-Electrolysis." Advanced Materials Research 347-353 (October 2011): 1949–52. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.1949.

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Zidovudine wastewater is difficult to biodegradation due to high COD and toxicity. The synergetic treatment of Zidovudine wastewater by Ultrasonic and iron-carbon micro-electrolysis technology was studied. The influence of initial pH, reaction time, mass ratio of iron and carbon and mass ratio of iron and water on degradation rate of COD was researched. The result showed that the COD removal rate was only about 54.3% and the degradation speed is very slow when iron-carbon micro-electrolysis treated Zidovudine wastewater separately. However, when ultrasonic synergy micro-electrolysis to treat Z

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20

Hutňan, Miroslav, Barbora Jankovičová, Ronald Zakhar, and Nikola Šoltýsová. "Impact of Combined Electrolysis and Activated Sludge Process on Municipal Wastewater Treatment." Processes 12, no. 5 (2024): 868. http://dx.doi.org/10.3390/pr12050868.

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Electrochemical methods for the treatment of municipal and industrial wastewater are used either independently or in conjunction with biological methods for pretreatment or posttreatment of biologically treated wastewater. In our work, the combination of these processes was studied, where pre-electrolysis was used to produce dissolved iron before the activation process. Electrolysis was also directly introduced into the activation using either iron or carbon electrodes. The surface of one iron electrode was 32.2 cm2, voltage at the electrodes was 21 V, and current was 270 mA. The surface of on

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21

Martinez, Ana Maria, Karen Sende Osen, Anne Støre, et al. "Manufacturing of Dysprosium-Iron Alloys by Electrolysis in Fluoride-Based Electrolytes. Electrolysis in a Laboratory-Scale Cell." Metallurgical and Materials Transactions B 49, no. 4 (2018): 2063–70. http://dx.doi.org/10.1007/s11663-018-1270-3.

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22

N, Melnik, and Mustyatsa O. "TRANSFORMATION OF THE NATURE OF THE CONDUCTIVITY OF HIGHLY CONDUCTIVE CHALCOGENIDE MELTS TO TOWARDS THEIR ELECTROLYTIC CAPACITY." National Transport University Bulletin 1, no. 48 (2021): 208–16. http://dx.doi.org/10.33744/2308-6645-2021-1-48-208-216.

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Ibe aim of this work is to study the nature of the conductivity of melts of iron chalcogenides (Fe-Se, Fe-Te, FeS-Na2S) and the conditions of its possible transformation in order to bring the high-conductivity melt to a state suitable for electrolytic decomposition into metal and chalcogen. To solve this problem, a set of methods was used - electrical conductivity (ж), thermo-EMF (a), polarization characteristics (І-V) and electrolysis (n). ж of high-conductivity melts was investigated by the four-probe method on a direct current in a quartz U-shaped cell of capillary type with graphite electr

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23

Ved’, M., N. Sakhnenko, I. Yermolenko, G. Yar-Mukhamedova, and R. Atchibayev. "Composition and." Eurasian Chemico-Technological Journal 20, no. 2 (2018): 145. http://dx.doi.org/10.18321/ectj697.

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Principles of three component Iron-Cobalt-Tungsten alloys electrodeposition from complex Fe (III) based citrate electrolytes are discussed. It is shown, that deposition of ternary alloys proceeds through competitive reduction of cobalt and tungsten with iron. With increasing ligand concentration coatings are enriched with a refractory component; however, increasing current density favors a reverse trend. The effect of both current density and pulse on/off time on the quality, content of alloying metals and surface topography of electrolytic coatings were determined. The application of pulsed e

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Yar-Mukhamedova, G., M. Ved’, I. Yermolenko, N. Sakhnenko, A. Karakurkchi, and A. Kemelzhanova. "Effect of Electrodeposition Parameters on the Composition and Surface Topography of Nanostructured Coatings by Tungsten with Iron and Cobalt." Eurasian Chemico-Technological Journal 22, no. 1 (2020): 19. http://dx.doi.org/10.18321/ectj926.

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The electrodeposition of binary and ternary coatings Fe-W and Fe-Co-W from mono ligand citrate electrolyte has been investigated. The Fe-Co-W coatings were formed from electrolytes, which composition differs in the ratio of the concentrations of the alloying components and the ligand content. The investigation results indicate a competitive reduction of iron, cobalt and tungsten, the nature of which depends both on the ratio of electrolyte components, and electrolysis parameters. The effect of both current density amplitude and pulse on off time on quality, composition and surface morphology o

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25

Mishima, I., M. Hama, Y. Tabata, and J. Nakajima. "Improvement of phosphorus removal by calcium addition in the iron electrocoagulation process." Water Science and Technology 76, no. 4 (2017): 920–27. http://dx.doi.org/10.2166/wst.2017.256.

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Small-scale wastewater treatment plants (SWTPs) are widely used as decentralized wastewater treatment systems in sparsely populated areas of Japan. Iron electrolysis, an electrocoagulation technology, is installed in these SWTPs for phosphorus removal. Phosphorus can be removed via the formation of an insoluble compound containing phosphate and iron, such as FePO4; however, it was necessary to determine the conditions under which phosphorus can be effectively and stably removed in actual SWTPs. According to previous studies using iron compounds, improved phosphorus removal was obtained by Ca a

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26

Tao, Mei, and Ting Ting Kang. "Experimental Study on High Salt Acid Pretreatment of Refinery Wastewater." Advanced Materials Research 859 (December 2013): 369–72. http://dx.doi.org/10.4028/www.scientific.net/amr.859.369.

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We pretreat the high salt level, high CODcr and strong acid refinery wastewater and analyse the influence of the iron-carbon ratio and the pH to ferric-carbon micro-electrolysis. Thereby we confirmed the reaction time and mixture component. Furthemore, we discussed the influence of supersaturated sodium on ferric-carbon micro-electrolysis. The results show that ferric-carbon micro-electrolysis can take full advantage of high salt, strongly acidic water quality characteristics of refinery wastewater to confirm that the removal rate of CODcr can reach to 49%, at the conditions of the iron-carbon

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27

Kuang, Ju Chi. "Effect of Adding Rare Earths into Iron-Carbon Micro Electrolysis Process on Degradation of Dyeing Wastewater." Advanced Materials Research 1021 (August 2014): 25–28. http://dx.doi.org/10.4028/www.scientific.net/amr.1021.25.

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Nowadays the traditional dyeing wastewater treatments based on flocculation-biochemical technology become more difficult than before. The study in this paper aim was it to probe how adding rare earths (REs) into iron-carbon micro-electrolysis process to advance dyeing wastewater degradation. Firstly, the principle was discussed. Then the experimental methods were stated and it followed by exploring effect of iron powder size on the dye decolorization rate. Next were design of the micro electrolysis orthogonal experiments and discussion of influences of related factors on waste water treatment.

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Sun, Xiaoxu, Jin Xu, Xiaorong Kang, Bing Li, and Yuanyan Zhang. "Experimental Study on the Treatment of Printing and Dyeing Wastewater by Iron–Carbon Micro-Electrolysis and Combined Processes." Processes 13, no. 7 (2025): 2147. https://doi.org/10.3390/pr13072147.

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Iron–carbon micro-electrolysis and combined processes were used to treat simulated dyeing wastewater containing direct Big Red 4BE dye (concentration of 1500 mg/L, chromaticity of 80,000 times, and salt content of 20 g/L). Through single-factor experiments, the optimal reaction conditions were determined as follows: reaction time of 110 min, initial pH of 5, and iron and carbon mass ratio of 1:2. Under the optimal conditions, the concentration was reduced to 14.51 mg/L, the chromaticity was reduced to 3000 times, and the decolorization rate reached 99.03%. In order to further decrease the wast

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29

Li, Jian Ping. "Study on Iron Filings Combined with Biological Carbon Derived from Chicken Manure Forming Internal Electrolysis to Treat Dyeing Wastewater of Disperse Blue E-4R." Advanced Materials Research 955-959 (June 2014): 2205–11. http://dx.doi.org/10.4028/www.scientific.net/amr.955-959.2205.

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Aiming at the difficulty of treating dyeing wastewater, the limitation of the traditional electrolysis method, the high cost of active carbon and the environmental pollution of the chicken manure in farms, the paper put forward a new method of using iron combined with biological carbon derived from chicken manure forming internal electrolysis to treat dyeing wastewater. It discussed the effects of mass ratio of iron and biological carbon derived from chicken manure, pH, reaction time, the particle size of iron filings, the aeration rate, circulation velocity and the circling liquid volume on t

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Han, Qixian, Hongmei Wu, Feng Li, et al. "Self-Standing Hierarchical Porous Nickel-Iron Phosphide/Nickel Foam for Long-Term Overall Water Splitting." Catalysts 13, no. 9 (2023): 1242. http://dx.doi.org/10.3390/catal13091242.

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Electrolytic water splitting is a promising path for the production of clean hydrogen when combined with green electric power, such as photovoltaic and wind power; however, the high current water electrolysis is mainly dependent on the utilization of Pt, Ru, and other expensive materials, while the transition metal-based catalysts still need improvement in electrocatalytic activity and stability. Here, we present the preparation of economic and scalable electrode materials, Nickel-Iron phosphide/Nickel foam (NiFeP/NF), with a hierarchical porous structure for overall water splitting as both th

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Kempler, Paul A., and Shannon W. Boettcher. "Electrolyte Engineering for Advanced Alkaline Water Electrolysis." ECS Meeting Abstracts MA2025-01, no. 38 (2025): 1950. https://doi.org/10.1149/ma2025-01381950mtgabs.

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Dissolved alkali cations and transition metals control the overpotential for the hydrogen evolution and oxygen evolution reaction and are thus crucial for the design of energy efficient electrolyzers for green hydrogen production. Most electrochemical studies of cation effects are carried out in electrolytes at concentrations ≤ 1 M, but advanced alkaline water electrolysis occurs in concentrated electrolytes. In this talk I will discuss two strategies for controlling the overpotential for water splitting reactions in concentrated electrolytes. I will first discuss the behavior of dissolved iro

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Sosnovskaya, Nina, Nadezhda Dobrynina, Nataliya Istomina, and Roman Lyapustin. "THE ELECTROLYSIS SOLUTION OF BROMIDE-BROMINE IRON." Bulletin of the Angarsk State Technical University 1, no. 14 (2020): 69–73. http://dx.doi.org/10.36629/2686-777x-2020-1-14-69-73.

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The article presents the main results of the study of the process of electrochemical production of bromine from a solution of bromide-bromine iron using a non-diaphragm electrolyzer and an electrolyzer with the separation of the cathode and anode space using a diaphragm. The nature of changes in the concentrations of bromine and iron ions in the catholyte and anolyte depending on the conditions of electrolysis is established

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Duan, Ting, Mei Yan Xing, Ming Zhuo Li, Zheng Zhong Liu, Wen Liu, and Jian Yang. "Treatment of Cotton Pulp Black Liquor Using Micro-Electrolysis in Sequencing Batch Reactor." Key Engineering Materials 500 (January 2012): 180–86. http://dx.doi.org/10.4028/www.scientific.net/kem.500.180.

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Micro-electrolysis process was conducted to treat the anaerobic digestion effluent of cotton pulp black liquor in sequencing batch reactor (SBR). Three key factors including reaction time, pH, and iron-carbon volume ratio were investigated for their impacts on the treatment efficiency. The effluent of micro-electrolysis polished by coagulation process was performed with Al2(SO4)3and PAC as coagulators. The results show that the optimum conditions of the micro-electrolysis treatment were pH 5.5, iron-carbon volume ratio 1:1, and reaction time 8h. Al2(SO4)3was selected as the coagulator with the

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Cheng, Li Hua, Xue Jun Bi, and Chang Qing Liu. "Advanced Treatment of Secondary Sewage Effluent by Iron-Carbon Internal Electrolysis." Advanced Materials Research 183-185 (January 2011): 291–95. http://dx.doi.org/10.4028/www.scientific.net/amr.183-185.291.

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Due to increasing water scarcity, appropriate technologies were need for advanced treatment of wastewater to enable reuse. Effect of iron-carbon internal electrolysis in tertiary treatment of wastewater was investigated in this study. Static experiment was adopted to evaluate influence of Fe/C ratio, pH, reaction time and aeration on pollutant removal by iron-carbon internal electrolysis. Then dynamic experiment was conducted to determine removal rate of CODcr, TP, chroma and NO3--N. The results showed that internal electrolysis could remove CODcr, TP and chroma efficiently. The optimal ratio

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Huang, Chong Hao, Meng Xing Cao, Jun Hong Luo, and Chao Zhang. "Treatment of Pharmaceutical Wastewater by Micro-Electrolysis and Fenton Oxidation Process." Advanced Materials Research 356-360 (October 2011): 1622–25. http://dx.doi.org/10.4028/www.scientific.net/amr.356-360.1622.

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Pharmaceutical wastewater was treated by micro-electrolysis and Fenton process.The aim of this research was to optimize operating parameters in micro-electrolysis and Fenton process. Effectiveness of important process parameters such as mass ratio of iron to carbon, the initial pH, reaction time and H2O2 dosage on the performance of micro-electrolysis and Fenton process were investigated. The results show that the removal efficiency of pharmaceutical wastewater chemical oxygen demand (COD) could reach 37.3% at the optimal pH of 4 with the iron to carbon ratio of 1:1 after 80 min treatment. The

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Kvalheim, E., G. M. Haarberg, A. M. Martinez, S. Rolseth, K. S. Osen, and H. Gudbrandsen. "High Temperature Electrolysis for Liquid Iron Production." ECS Transactions 50, no. 44 (2013): 63–72. http://dx.doi.org/10.1149/05044.0063ecst.

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37

Syahrial, Anne Zulfia, Vita Astini, and Johny Wahyuadi M.S. "Electrolysis and precipitation-based purification of ferronickel for high-purity nickel production." Eastern-European Journal of Enterprise Technologies 3, no. 6 (135) (2025): 46–53. https://doi.org/10.15587/1729-4061.2025.324608.

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This study investigates the purification of ferronickel through electrolysis and precipitation processes to produce high-purity nickel. Ferronickel has yet to find extensive applications in industries requiring high-purity nickel. So, it is imperative to develop technologies that can upgrade ferronickel through electrolytic processes. Ferronickel, consisting of approximately 18% Ni and 80% Fe, represents an abundant but underutilized resource for high-grade nickel applications. Electrolysis was conducted using ferronickel anodes and graphite cathodes in 2 M HCl, followed by oxidation with H2O2

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38

Gu, Shan Lin, Xing Li Zou, and Xiong Gang Lu. "Eletroreduction of Fe₂O₃ to Fe in Strongly Alkaline Solution." Applied Mechanics and Materials 595 (July 2014): 8–13. http://dx.doi.org/10.4028/www.scientific.net/amm.595.8.

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Electroreduction of Fe2O3to Fe in sodium hydroxide solutions has been investigated. It is found that pure iron powder with uniform crystal particles can be obtained by electrolysis of Fe2O3in alkaline solution. The porosity of the iron oxide (Fe2O3) pellet and the concentration of NaOH solution have significant influences on the electrolysis process. The deoxidation rate increases with increasing the concentration of NaOH solution, the grain size of iron products decreases with increasing the concentration of NaOH. The optimum NaOH concentration and pressure load used to fabricate Fe2O3pellet

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Moon, Kyung Man, Min Seok Oh, Jong Pil Won, and Yun Hae Kim. "Development of the Iron Elimination Technology of Acid Cleaning Solution of Hot Dip Galvanizing Process." Advanced Materials Research 472-475 (February 2012): 367–70. http://dx.doi.org/10.4028/www.scientific.net/amr.472-475.367.

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Hot dip galvanizing is being widely used to the numerous constructional steels such as a guard rail of high way, various types of structural steel for manufacturing ship and for some other fields etc.. Recently, the cost of zinc is getting higher and higher, thus, a proper manufacturing process should be developed possibly to reduce the cost of production. one of hot dip galvanizing process, that is, acid cleaning process is very important to control more effective coating. However, acid solution is deteriorated with increasing its using time because dissolved iron from structural steel due to

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Chen, Bin, Hong Yan, and Huan Jie He. "Treatment of Acidify Waste Fluid in Oilfield by Neutralization/Iron Chipping Micro-Electrolysis/Oxidation/Coagulation Four Process." Applied Mechanics and Materials 295-298 (February 2013): 1267–72. http://dx.doi.org/10.4028/www.scientific.net/amm.295-298.1267.

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The composition of acidizing waste fluid is complicated, its chromaticity is high, the demand of chemical oxygen (CODCr) is high and hard to be degraded by biochemical treatment. That is why it causes serious pollution to the environments. The four process--neutralization/iron chipping micro-electrolysis/oxidation/coagulation were used to treat acidizing waste fluid. A new method of treating acidizing waste fluid with the neutralization/iron chipping micro-electrolysis/oxidation/coagulation was put forward. The optimal conditions of the treatment of single reaction are given. The experimental

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41

Yarmolenko, Mykhaylo V., and Sergii O. Mogilei. "Copper, Iron and Aluminium Electrochemical Corrosion Investigation during Electrolysis and Temperature Increasing." Defect and Diffusion Forum 429 (December 12, 2023): 93–106. http://dx.doi.org/10.4028/p-5pugb3.

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An experimental method to calculate average charge of metal ions by electrolysis at different temperatures is proposed. Aluminium undergoes dissolution to the Al3+ ions at all temperatures. Iron undergoes dissolution to the Fe2+ or the Fe3+ ions and copper undergoes dissolution to the Cu+ or the Cu2+. It depends on temperature and electric current density. Direct electric current value and anode mass decreasing were measured during electrolysis into concentrated NaCl solution in water (5 mol/kg or 23.1%, freezing point equals -22°C, pH 6.5–7.5) at room temperature and 100°C. The average charge

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42

Chen, Xiao Gang, Ju Chi Kuang, and Min Hua Chen. "Effect of Rare Earths on Iron-Carbon Micro Electrolysis in Dyeing Wastewater Treatment." Advanced Materials Research 1010-1012 (August 2014): 190–94. http://dx.doi.org/10.4028/www.scientific.net/amr.1010-1012.190.

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In the paper we first discussed the principle of wastewater treatment by iron-carbon micro electrolysis. And the experimental methods were stated clear soon afterwards. Then we designed the micro electrolysis orthogonal experiments. Discussion of influences of related factors on waste water treatment followed. The main factors are cerium ion additive quantity, ratio of La3+/Ce4+ and pH in wastewater. The experimental results show that 1) The sequence of factors influence on wastewater micro-electrolysis treatment is Ce4+ > pH > La3+ > iron/carbon ratio; 2) The lanthanum and cerium ion

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Bechtold, T., E. Burtscher, A. Turcanu, and O. Bobleter. "Dyeing Behavior of Indigo Reduced by Indirect Electrolysis." Textile Research Journal 67, no. 9 (1997): 635–42. http://dx.doi.org/10.1177/004051759706700902.

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Dispersed indigo dyestuff can be reduced by indirect electrolysis using an iron (II)-triethanolamine complex. The iron (III) form of the complex can be transformed to the iron (II) form by cathodic reduction, thus leading to a regenerable reducing agent. Electrochemically reduced indigo is tested in laboratory scale dyeing experiments, and the results of different reduction conditions in the dyebath are discussed. The influence of the concentration of the complex-system on the build-up of color depth and shade with increasing number of dips is discussed and compared with samples of the standar

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Hou, Ming Shan, Shi Qi Li, Rong Zhu, Run Zao Liu, and Yu Gang Wang. "Experiment Research of Non-Carbon Metallurgy with Clean Energy." Advanced Materials Research 803 (September 2013): 355–62. http://dx.doi.org/10.4028/www.scientific.net/amr.803.355.

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Experiment research on non-carbon metallurgy was explored, which contained three parts: smelting in high temperature, electrolytic iron and hydrogen reduction. A complete set of non carbon metallurgy system should include four technical units: power generation, electric power storage, control module, metallurgy unit. Energy and high temperature over 1600°C can be offered by technology on non-carbon metallurgy, electron also can be offered for hydrogen reduction and electrolysis. Technological parameters and results of three kind experiments were analysed and discussed, the feasibility of this

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Jia, Haiyang, Jiawei Sun, Meng Dong, Hui Dong, Hongtao Zhang, and Xiao Xie. "Deep eutectic solvent electrolysis for preparing water-soluble magnetic iron oxide nanoparticles." Nanoscale 13, no. 45 (2021): 19004–11. http://dx.doi.org/10.1039/d1nr05813d.

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46

Bharath, M., B. M. Krishna, and B. Manoj Kumar. "Degradation and biodegradability improvement of the landfill leachate using electrocoagulation with iron and aluminum electrodes: A comparative study." Water Practice and Technology 15, no. 2 (2020): 540–49. http://dx.doi.org/10.2166/wpt.2020.041.

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Abstract This present study investigates the comparative study of iron and aluminum electrodes for the treatment of landfill leachate by the Batch Electrocoagulation (EC) technique. The performance of EC was used to determine the removal efficiency of COD and Color. The effects of operating conditions such as electrode material, stirring speed, inter-electrode distance, electrolysis time, initial pH, and applied voltage were studied to evaluate the performance of the electrode. The electrodes were arranged in a monopolar mode by applying different cell voltages of 4, 6, 8, 10 and 12 V for 180

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47

PROTSENKO, Vyacheslav, Larysa PAVLENKO, Olexandr SUKHATSKYI, Tetyana BUTYRINA, and Felix DANILOV. "ELECTRODEPOSITION OF NANOCRYSTALLINE NICKEL-IRON ALLOY FROM AN ELECTROLYTE BASED ON A NEW TYPE OF IONIC LIQUIDS – DEEP EUTECTIC SOLVENT." Proceedings of the Shevchenko Scientific Society. Series Сhemical Sciences 2022, no. 70 (2022): 119–27. http://dx.doi.org/10.37827/ntsh.chem.2022.70.119.

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The paper reports the main features of electrochemical deposition of nickel-iron alloy from electrolyte based on the eutectic mixture of choline chloride and ethylene glycol, which is a typical representative of a new type of ionic liquids, deep eutectic solvents (DES). It is found that the iron content in the deposited alloy increases with both increasing the applied cathode current density and increasing the concentration of iron ions in the electrolyte and the introduction of water additives. Thus, variation in the current density and the concentration of water additive in electrolytes base

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48

Zhang, Yue, Jun Xiao, Shaoguang Yang, and Aimin Zhao. "Effect of electrolysis parameters on corrosion resistance of extra-low carbon high silicon iron-based alloy." Anti-Corrosion Methods and Materials 69, no. 2 (2021): 121–30. http://dx.doi.org/10.1108/acmm-08-2021-2527.

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Purpose High silicon iron-based alloys possess excellent corrosion resistance in certain specific media, but the effects of electrolysis parameters on corrosion resistance remain unknown. This study aims to guide the development and application of an extra-low carbon high silicon iron-based alloy (ECHSIA) in electrode plates. Design/methodology/approach The corrosion resistance of ECHSIA and a conventional high-silicon cast iron (CHSCI) was analyzed through experimental characterizations. The morphology was observed by scanning electron microscopy. The influence of electrolysis parameters on t

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49

Chen, Xiaodong, Deli Zhou, Junhao Ding, Xu Song, and Weihong Li. "3D-Printed Hierarchical Electrodes for Ampere-Level Alkaline Water Electrolysis." ECS Meeting Abstracts MA2024-01, no. 34 (2024): 1713. http://dx.doi.org/10.1149/ma2024-01341713mtgabs.

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In the realm of water electrolysis technology, Alkaline Electrolysis Cell (ALK) hydrogen production stands as a pivotal technology, playing a critical role in the pursuit of large-scale green hydrogen production and the achievement of the "dual carbon" objective. Despite its importance, the mass transfer efficiency of commercial porous nickel electrodes currently used in ALK systems is suboptimal. These electrodes, plagued by unstable catalyst loading, typically operate at current densities between 300-500 mA/cm², seldom reaching the desired threshold of 1 A/cm². This limitation hampers the po

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50

Kisel, Yuri, Sergey Simokhin, Igor Borzdyko, and Larisa Markaryants. "Influence of the Structure of Iron Coatings on their Physical and Mechanical Properties." Materials Science Forum 1031 (May 2021): 242–47. http://dx.doi.org/10.4028/www.scientific.net/msf.1031.242.

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The influence of electrolysis parameters on the structure and properties of iron coatings is shown. The dependencies of hardness of iron coatings upon the parameters of metal microstructure characterized by dilatation are established. It is shown that dilatation can be used as a checkup parameter for iron strength properties. The influence of some factors on the properties of iron deposits obtained under non-stationary deposition regimes is analyzed.

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