Copying and distributing are prohibited without permission of the publisher
Perseverance pays
November 20, 2009 - 00:00 GMT
They say that the simplest ideas are the best. The more experienced might add that they are also the hardest to pull off.
They say that the simplest ideas are the best. The more experienced might add that they are also the hardest to pull off.
Take electric steelmaking, for example. Load buckets of scrap, pig iron or DRI into the electric arc furnace according to need, insert the electrodes, turn on the power, skim the slag and tap the molten steel. Then start all over again.
Those basic steps are followed by many electric steelmakers and work well, but over 30 years ago inventor John A. Vallomy started to pursue an idea that seemed to offer
considerable advantages for what sounds like a simple variation on the process. Why not charge the furnace continuously, instead of using batch charging, by feeding raw material into the...
All material subject to strictly enforced copyright laws. ©
Euromoney Institutional Investor PLC.
Please log in using your online subscriber details.
Your username will be your registered email address with Metal Bulletin.
If you aren't a subscriber yet, feel free to take a seven day free trial, or subscribe using the instructions below.
Subscribe
A standard subscription include one year's worth of news and prices. You can also upgrade to the full archive and benefit from more than 13 years of intelligence. Start your subscription today.
Subscribe
Free trial
Taking a free trial will give you open access to Metal Bulletin online news, prices, archived content and email alert service for the next seven days. Start your free trial today.
Free trial