Production of High Silicon Alloys

Production of High Silicon Alloys
Author: Anders Schei,Johan Kr Tuset,Halvard Tveit
Publsiher: Akademika Pub
Total Pages: 363
Release: 1997-01-01
Genre: Technology & Engineering
ISBN: 8251913179

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This book is intended for professionals working with all aspects of high silicon alloy production. It covers the basics of silicon processes regarding thermodynamic and reaction kinetics. Post-furnace processes such as refining and solidification are presented and there are also important contributions covering furnace design, energy use and environmental standards for silicon production.

The Treatment of Liquid Aluminum silicon Alloys

The Treatment of Liquid Aluminum silicon Alloys
Author: John E. Gruzleski,Bernard M. Closset,American Foundrymen's Society
Publsiher: Amer Foundry Society
Total Pages: 280
Release: 1990
Genre: Aluminum alloys
ISBN: UCSD:31822023674203

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Solar Silicon Processes

Solar Silicon Processes
Author: Bruno Ceccaroli,Eivind Ovrelid,Sergio Pizzini
Publsiher: CRC Press
Total Pages: 258
Release: 2016-10-03
Genre: Technology & Engineering
ISBN: 9781498742665

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Polycrystalline silicon (commonly called "polysilicon") is the material of choice for photovoltaic (PV) applications. Polysilicon is the purest synthetic material on the market, though its processing through gas purification and decomposition (commonly called "Siemens" process) carries high environmental risk. While many current optoelectronic applications require high purity, PV applications do not and therefore alternate processes and materials are being explored for PV grade silicon. Solar Silicon Processes: Technologies, Challenges, and Opportunities reviews current and potential future processing technologies for PV applications of solar silicon. It describes alternative processes and issues of material purity, cost, and environmental impact. It covers limits of silicon use with respect to high-efficiency solar cells and challenges arising from R&D activities. The book also defines purity requirements and purification processes of metallurgical grade silicon (MG-Si) and examines production of solar grade silicon by novel processes directly from MG-Si and/or by decomposition of silane gas in a fluidized bed reactor (FBR). Furthermore, the book: Analyzes past research and industrial development of low-cost silicon processes in view of understanding future trends in this field. Discusses challenges and probability of success of various solar silicon processes. Covers processes that are more environmentally sensitive. Describes limits of silicon use with respect to high-efficiency solar cells and challenges arising from R&D activities. Defines purity requirements and purification processes of MG-Si. Examines production of solar grade silicon directly from MG-Si.

Handbook of Ferroalloys

Handbook of Ferroalloys
Author: Michael Gasik
Publsiher: Butterworth-Heinemann
Total Pages: 536
Release: 2013-05-04
Genre: Technology & Engineering
ISBN: 9780080977669

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This handbook gathers, reviews and concisely presents the core principles and varied technology involved in processing ferroalloys. Background content in thermodynamics, kinetics, heat and mass transfer is accompanied by an overview of electrical furnaces theory and practice as well as sustainability issues. The work includes detailed coverage of the major technologies of ferrosilicon, ferronickel, ferromolybdenum, ferrotungsten, ferrovanadium, ferromanganese and lesser known minor ferroalloys. Distilling the results of many years' experience in ferroalloys, Michael Gasik has assembled contributions from the worlds' foremost experts. The work is therefore a unique source for scientists, engineers and university students, exploring in depth an area which is one of the most versatile and increasingly used fields within modern metallurgy. All-in-one source for the major ferroalloys and their metallurgical processing technologies, cutting research time otherwise spent digging through old handbooks or review articles. In-depth discussion of the C, Si, Al-reduction, groups II-VIII of the periodic table, supporting analysis of metallurgical processing. Contemporary coverage includes environment and energy saving issues.

Handbook of Sulphuric Acid Manufacturing

Handbook of Sulphuric Acid Manufacturing
Author: Douglas K. Louie
Publsiher: DKL Engineering, Inc.
Total Pages: 831
Release: 2005
Genre: Sulfuric acid
ISBN: 9780973899207

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Electric Smelting of Low grade Chromite Concentrates

Electric Smelting of Low grade Chromite Concentrates
Author: John P. Walsted
Publsiher: Unknown
Total Pages: 36
Release: 1956
Genre: Chromite
ISBN: UOM:39015077553710

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Report of Investigations

Report of Investigations
Author: Anonim
Publsiher: Unknown
Total Pages: 932
Release: 1956
Genre: Mineral industries
ISBN: UOM:39015006384708

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The Complete Book on Ferroalloys

The Complete Book on Ferroalloys
Author: B.P Bhardwaj
Publsiher: NIIR PROJECT CONSULTANCY SERVICES
Total Pages: 480
Release: 2014-01-01
Genre: Electronic Book
ISBN: 9789381039298

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The Complete Book on Ferroalloys (Ferro Manganese, Ferro Molybdenum, Ferro Niobium, Ferro Boron, Ferro Titanium, Ferro Tungsten, Ferro Silicon, Ferro Nickel, Ferro Chrome) An alloy is a mixture or solid solution composed of metals. Similarly, Ferroalloys are the mixture of Iron with high proportion of other elements like manganese, aluminium or silicon. Alloying improves the physical properties like density, reactivity, YoungÂ’s modulus, electrical and thermal conductivity etc. Ferroalloys thus show different properties as mixture of different metals in different proportion exhibit a wide range of properties. Also, Alloying is done to alter the mechanical properties of the base metal, to induce hardness, toughness, ductility etc. The main demand of ferroalloys, nowadays is continuously increasing as the major use of such products are in the field of civil construction; decorative items; automobile; steel industry; electronic appliances. The book provides a wide idea to readers about the usage of appropriate raw material and the treatment involved in the processing of raw material to final produce, safety, uses and properties of raw material involved in the processes. This book concisely presents the core principles and varied details involved in processing of ferroalloys. The work includes detailed coverage of the major products like ferroaluminium, ferrosilicon, ferronickel, ferromolybdenum, ferrotungsten, ferrovanadium, ferromanganese and lesser known minor ferroalloys. Progress in thermodynamics and physico-chemical factors in ferroalloy production has developed rapidly during the past twenty-five years or so. The book presents the principles and current knowledge of processes in the production of various ferroalloys. The production of a particular ferroalloy involves a number of processes to be followed in order to give the alloy desired physical and mechanical properties. The slight difference in the temperature or heating or composition can lead to entirely different alloy with different properties. This book is not only confined to the different processes followed in the production of ferroalloys but also describes the processes used and other information related to product, which are necessary for the manufacturerÂ’s knowledge. Also, the book gives the reader appropriate knowledge regarding the selection the best of available raw materials.