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The Changing Industrial Environment and Materials Selection
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From ATI Wah Chang
The competitive global environment provides a key economic driver to use reactive metals in corrosive conditions. Economics are dictated by POE, unit costs, maintenance cost, reliability, and life cycle costs. Areas of opportunity for the reactive metals in the pulp and paper industry include recovery boilers, black liquor evaporators, Kamyr digestors, chlorine and peroxide bleach plants, recauseicizers, and other equipment failing from corrosion, erosion or both. Products & Services
Nonferrous metals and nonferrous alloys are not based on iron and include alloys of aluminum, copper, titanium, zinc, nickel, cobalt, tungsten, precious metals, refractory metals.
Learn more about Nonferrous Metals and Alloys
Master alloys and alloying additives are alloy element concentrates, grain refiners, hardeners, deoxidants and other agents added into a melt or metal powder blend to produce a particular alloy, modify a melt or alter processing characteristics.
Learn more about Master Alloys and Alloying Additives
Bimetals and clad alloys consist of two or more different alloy layers that are integrally bonded into a metal plate, strip, sheet, or other stock shape.
Learn more about Bimetals and Clad Alloys
Reactive and refractory metals include tungsten, molybdenum, niobium, tantalum, chromium, hafnium, zirconium, and titanium. Reactive metals oxide rapidly and form a stable oxide. Refractory metals and alloys have melting points above ~ 1750° C (~ 3200 F°).
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Learn more about Refractory and Reactive Metals
Titanium and titanium alloys are non-ferrous metals with excellent corrosion resistance, fatigue properties, and a high strength-to-weight ratio.
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Learn more about Titanium and Titanium Alloys
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Topics of Interest
5.7 BLACK LIQUOR GASIFICATION
Black liquor gasification is a specialized field (see also Section 4.3.2). Particular difficulties are the high inorganic load, particularly of sodium, and the...
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Hydrogen peroxide, H2O2, is one of the most powerful oxidizing agents known, and has increasingly become an important chemical in manufacturing plants for environmental reasons. It is used as a...
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This paper presents a recent innovation and development of a new technology, known as Twisted Tube technology, which has been able to overcome the limitations of the conventional technology, and in...
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10.1 Chlorine Dioxide Another Look?
After being used to sanitise the buildings of the US House of Representatives contaminated with anthrax, chlorine dioxide may be used as a sterilant. But whether...
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The family of elements, known as the reactive metals, consist of Titanium, Zirconium, Hafnium (Group IV B), Vanadium, Niobium, Tantalum (Group V B). All but Vanadium exhibit a tenaciously adherent,...
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