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electrolysis

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Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006483
EISBN: 978-1-62708-207-5
... Abstract This article describes the Bayer process for the purification of alumina. The process includes four major stages: digestion, clarification, precipitation, and calcination. The article discusses the aluminum electrolytic process in terms of aluminum electrolysis cell design...
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Published: 01 January 1986
Fig. 1 Typical internal electrolysis cell. More
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Published: 09 June 2014
Fig. 1 Water cooling hose with a long loop to help prevent electrolysis across the DC link More
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Published: 09 June 2014
Fig. 2 Electrolysis damage causing water cooling flow reduction and premature failure of the silicon-controlled rectifier. Note the rust on the inside of the water fittings. More
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Published: 30 November 2018
Fig. 2 End view of a prebake aluminum electrolysis cell More
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Published: 30 November 2018
Fig. 8 Basic Ohm’s law electrical formula applied to a Hall-Héroult electrolysis cell More
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Published: 30 November 2018
Fig. 14 Modern potline of 600 kA aluminum prebake electrolysis cells. Courtesy of Northeastern University Engineering and Research Institute Co., Ltd. and Weiqiao Aluminum Smelter, China More
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Published: 15 December 2019
Fig. 2 A simple electrolysis setup. The electrodes (black bars) are often made out of graphite. More
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Published: 15 December 2019
Fig. 8 Typical internal electrolysis cell More
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Published: 15 December 2019
Fig. 10 Circuit of controlled-potential electrolysis cell for voltammetry More
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Published: 30 November 2018
Fig. 11 Effects of polarization on the substrate and initial oxidation. Electrolysis of the aqueous electrolyte at the interface with the polarized, dissolving anode produces separation of the hydrogen (H+) and hydroxide ions (OH−), producing alternating charge concentration adjacent More
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Published: 30 November 2018
Fig. 2 Effects of polarization on the substrate and initial oxidation. Electrolysis of the aqueous electrolyte at the interface with the polarized, dissolving anode produces separation of the hydrogen (H + ) and hydroxide (OH − ) ions, producing alternating charge concentration adjacent More
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001742
EISBN: 978-1-62708-178-8
... Abstract Electrogravimetry is the oldest electroanalytical technique in which the element of interest is deposited electrolytically onto an electrode and weighed. This article discusses the principles involved in determining the electrolysis rate of the solution, and describes different methods...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001744
EISBN: 978-1-62708-178-8
... in various sample types. controlled-potential coulometry electrochemical potential Overview Introduction Substances determined by controlled-potential coulometry are electrolyzed in a portion of the sample solution using the methodology of controlled-potential electrolysis. A specially...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001070
EISBN: 978-1-62708-162-7
... Abstract This article briefly reviews the subject of copper-base powder-metallurgy (P/M) products in terms of powder production methods (atomization, oxide reduction, electrolysis, and hydrometallurgy) and the product properties/consolidation practices of the major applications. Of the four...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001089
EISBN: 978-1-62708-162-7
..., and lutetium. This article classifies the rare earth metals based on their purity level, which are designated as research grades (>99.8% pure) and commercial grades (95% - 98% pure), and describes the preparation and purification, including solid-state electrolysis. It further discusses physical, mechanical...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006139
EISBN: 978-1-62708-175-7
... Abstract This article describes the fundamentals of various techniques used for the production of copper and copper alloy powders. These include atomization (water, air, and gas), oxide reduction, and electrolysis. The article discusses the effects of electrolyte composition and operating...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006086
EISBN: 978-1-62708-175-7
... used mechanical methods include water and gas atomization, milling, mechanical alloying, and electrolysis. Some chemical methods include reduction of oxides. This article provides information on the reliable techniques for powder characterization and testing to evaluate the chemical and physical...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001262
EISBN: 978-1-62708-170-2
... Abstract Pulsed-current plating can be defined simply as metal deposition by pulsed electrolysis, which involves using interrupted direct current to electroplate parts. This article discusses the advantages and limitations of pulsed-current plating and provides information on the process...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006679
EISBN: 978-1-62708-213-6
... was the first electrochemical device, which lead to the production of batteries for reliable production of electrical current. Conversely, electricity can bring about chemical changes in a process known as electrolysis (meaning “electric-splitting”), whereby substances are separated by the application...