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gallium recovery process

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Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001091
EISBN: 978-1-62708-162-7
..., including recovery from bauxite, zinc ore and secondary recovery process and purification. The article briefly describes the fabrication process of gallium arsenide crystals. Furthermore, the article gives a short note on world supply and demand of gallium and concludes with research and development...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001090
EISBN: 978-1-62708-162-7
... by roasting with H 2 SO 4 , followed by leaching and selective precipitation of the germanium with MgO ( Ref 3 ). In the United States, zinc concentrates have been roasted and then sintered for germanium recovery. In this process, the sinter fume is chemically leached, and the germanium is selectively...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003825
EISBN: 978-1-62708-183-2
.... Table 1 lists numerous applications for tantalum in the chemical processing industry and in other industries. Applications for tantalum equipment Table 1 Applications for tantalum equipment Product Operation Industry Equipment Remarks Acetic acid, crude Recovery from wood...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006641
EISBN: 978-1-62708-213-6
..., and precious metals, are chemically inert and insoluble in concentrated chemicals. In addition, sample digestion is a time-consuming process and does not provide spatially resolved information of a heterogeneous solid sample. A refractory solid sample can be introduced directly into the ICP by direct...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006250
EISBN: 978-1-62708-169-6
...Abstract Abstract This article introduces the mechanism of diffusion and the common types of heat treatments such as annealing and precipitation hardening, which are applicable to most ferrous and nonferrous systems. Three distinct processes occur during annealing: recovery, recrystallization...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001092
EISBN: 978-1-62708-162-7
.... Another recovery procedure involves precipitating indium phosphate selectively from slightly acidic solutions, converting the phosphate to the oxide by leaching in a strong caustic soda solution, and then reducing the oxide to metal. Indium that is distilled with zinc in zinc retort smelting processes...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001261
EISBN: 978-1-62708-170-2
.... It provides a detailed account of the applications of selective plating, with examples. The article describes the advantages, limitations, key process elements, and health and safety considerations of selective plating. It also includes the most important industrial, government, and military specifications...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003121
EISBN: 978-1-62708-199-3
... Production All aluminum production is based on the Hall-Héroult process. Alumina refined from bauxite is dissolved in a cryolite bath with various fluoride salt additions made to control bath temperature, density, resistivity, and alumina solubility. An electrical current is then passed through the bath...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003049
EISBN: 978-1-62708-200-6
... materials that are processed from naturally occurring raw materials or synthetic powders. This definition includes so-called traditional ceramics (e.g., whiteware, structural clay products, and refractories), advanced ceramics (i.e., ceramics that have highly developed properties for critical applications...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006579
EISBN: 978-1-62708-290-7
...Abstract Abstract This article is a detailed account of additive manufacturing (AM) processes for copper and copper alloys such as copper-chromium alloys, GRCop, oxide-dispersion-strengthened copper, copper-nickel alloys, copper-tin alloys, copper-zinc alloys, and copper-base shape memory...
Book Chapter

Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001087
EISBN: 978-1-62708-162-7
... and by ease of refining. Also, the refining process is marked by a high recovery rate because the precious metals are virtually indestructable. This high rate of recovery can make their use, for many applications, economical as well as efficient. The precious metals share a number of properties...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004209
EISBN: 978-1-62708-184-9
...-palladium-silver, and gold-palladium types. The palladium-base alloys are palladium-silver alloys or palladium-gallium alloys with additions from either copper or cobalt. The nickel- and cobalt-base alloys are alloyed primarily with chromium and with minor additions of molybdenum and other elements...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001752
EISBN: 978-1-62708-178-8
... 28 61 Nickel 3.79 3 2 1.1 0.16 3.9 × 10 −5 0.005 29 63 Copper 11.285 3 2 69.1 −0.211 0.064 0.93 29 65 Copper 12.089 3 2 30.9 −0.195 0.035 0.45 30 67 Zinc 2.663 5 2 4.1 0.17 1.2 × 10 −4 0.031 31 69 Gallium...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003829
EISBN: 978-1-62708-183-2
... in jewelry, coinage, and sterling ware is well known. Also of commercial significance are the uses of silver in manufacturing and processing equipment within the food, chemical, and pharmaceutical industries. Silver has been used for decades within the food industry to maintain purity and freedom from...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001057
EISBN: 978-1-62708-162-7
... accounting for 20%, and secondary recovery representing 26% ( Fig. 3 ). The source of secondary production is scrap in all forms, as well as the product of skim and dross processing. Primary and secondary production of aluminum are integrally related and complementary. Many wrought and cast compositions...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006651
EISBN: 978-1-62708-213-6
..., the mass analyzer separates ions based on m / z values. The process is typically electrically driven, while many traditional analyzers use magnetic fields for the separation. Various mass analyzer options include, but are not limited to, quadrupole, triple quadrupole, magnetic sectors, time of flight...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001119
EISBN: 978-1-62708-162-7
... following inhalation of aerosols of soluble beryllium compounds, particularly fluoride—an intermediate in the ore extraction process. Severity is dose related. Fatalities have occurred, although recovery is generally complete after a period of several weeks or even months. Chronic Granulomatous Pulmonary...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003824
EISBN: 978-1-62708-183-2
...Abstract Abstract For chemical processing, niobium resists a wide variety of corrosive environments, including mineral acids, many organic acids, liquid metals, and most salt solutions. This article focuses on the mechanisms of corrosion resistance of niobium alloys in these environments...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006503
EISBN: 978-1-62708-207-5
... the underlying alloying and structural aspects that affect the properties and possible processing routes of aluminum alloys. It provides information on the heat treatment effects on the physical properties of aluminum alloys and the microstructural effects on the fatigue and fracture of aluminum alloys...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003150
EISBN: 978-1-62708-199-3
... obvious, but equally pervasive, are the use of platinum-group metals as catalysts in automotive pollution-control equipment and for making the spinnerettes used in the manufacture of synthetic fibers for clothing; the use of silver for photographic processes; the use of gold, palladium, and their alloys...