April
2006
|
Waste Plastics — A Resource for EAF Steelmaking
Veena Sahajwalla (left),
Lan Hong and Narendra Saha-Chaudhury (right), School of Materials
Science and Engineering, The University of New South Wales,
Sydney, Australia (veena@unsw.edu.au)
The findings in this study suggest that waste plastics can
become a valuable resource for EAF steelmaking, partially
replacing coal and/or coke. A mixture of coke and plastics
resulted in slag foaming comparable to that obtained while
using coke alone. |
New
Fluid Technologies for Water-free, Fire-resistant Hydraulic
Fluids
Michael D. Zink, global
marketing manager, formerly of Quaker Chemical Corp., Conshohocken,
Pa. For comments or questions, please contact Kevin Dickey,
manager — fluid power (dickeyk@quakerchem.com)
New developments in ester-based technology combine the advantages
of phosphate esters and polyolesters without compromising
on fire resistance, worker health and safety, or system compatibility. |
Leading With Safety
James B. Spigener,
vice president, Behavioral Science Technology Inc., Ojai,
Calif.
Leadership is integral to developing a safety culture within
an organization. This article features methods for taking
safety performance to a higher level. Concrete steps for employees
to move forward are provided. |
Ladle Relining Lift Equipment — Ergonomic and
Technical Design Considerations
Handling Specialty
Manufacturing Ltd., Grimsby, Ont., Canada (info@handling.com)
A safe and quick method for replacing refractory firebrick
in ladles is a necessity in a meltshop. A customized, heavy-duty
lift system replaces traditional scaffolding and platforms
and can lead to reduced downtime, decreased worker injury
and increased productivity. |
ZEWA — A New Metallurgical Process for the Treatment
of Residues Primarily From the Steel Industry to Generate Valuable
Products
Alexander Fleischanderl
(left), SIEMENS VAI, Voest-Alpine Industrieanlagenbau GmbH &
Co. (VAI*), Linz, Austria (alexander.fleischanderl@vai.at),
and Thomas Daum (right), SIEMENS VAI, Voest-Alpine Industries
Inc., Canonsburg, Pa. (daum.thomas@siemens.com)
*VAI is a division of the Siemens Group Industrial Solutions
and Services (I&S)
A new metallurgical process converts blends of industrial waste
materials and residues into hot metal and mineral products.
The technical and economical feasibility of the process are
discussed. |
|
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