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Electrolytic etching method
FREE! with an aqueous stream to extract copper from the loaded organic stream to produce a stripped organic extractant process stream and a copper-rich aqueous electrolyte process stream; feeding the electrolyte process stream into an electrowinning cell to produce copper by electrowinning; and feeding one or more of the above liquid process streams to one or more cyclones to remove entrained water or entrained organic extractant from the stream before the stream is used further in the method.
ELECTROLVTIC
ETCHING
Are you getting the most value from your dewatering dollar? Now, you can find out with our free, no obligation dewatering analysis. This exclusive service gives you a thorough and unbiased assessment of your liquid/ solid separation process, along with the recommended technology for the most effective volume reduction. No other company can offer you this broad range of dewatering solutions: filter presses, screw presses, belt presses, thickeners and dryers. So whether you’re considering a new system, upgrade or simply want to verify your existing process, e-mail us at dewatering@u<er.com or call 1.800.245.3006 and ask for your Dewatering Efficiency Analysis. It’s fast. It’s easy. And best of all, it’s from the leader in liquid/solid separation systems and technologies USFilter Dewatering Systems Group.
MEIVIOD
uSF;Jgjer
U.S. Patent 5,849,173. Dec. 15, 1998 E.A. Chandross and S.G. Kosinski, assignors to Lucent Technologies Inc., Murray Hill, N.J.
A method for reshaping a substantially sharp tip of an elongated tungsten electrode to improve robustness of the elongated electrode in an arc fusion for splicing optical fibers comprising immersing in an electrolyte solution capable of dissolving an oxidation product of the elongated electrode; providing a stainless steel electrode at a distance from the elongated tungsten electrode in the electrolyte solution; causing an electrical current to flow between the elongated tungsten electrode as the anode and the stainless steel electrode as the cathode for a period of time to reshape the sharp tip into a profile having a substantially round tip, creating a reshaped elongated tungsten electrode possessing improved robustness in the arc fusion for splicing optical fibers.
Taking care of the world; water.
Circle
028 on reader
information
WhatcanourBum-off ovendofbryou?
‘c-----z
Before
After
Burn-off ovens are all that we make. Yet after 25 years and 4,000 ovens, we still see our business as one of “solving problems *‘. Give us a call and we’ll listen to your needs before recommending a solution. Or fill out the response card in the magazine. We’ll do whatever it takes to provide a quality OLLUTION product at a fair price. RODUCTS
pELECTROLESS
COPPER
PIATING
U.S. Patent 5,849,355. Dec. 15, 1998 M.R. McHenry, assignor to AlliedSignal Inc., Morristown, N. J. 1999
043 on reader
CO.
2677 Freewood Dallas, Texas 75220-2664 Tel: (214) 356-l 539 Fax: (214) 356-3379
Keith Brown National Sales Manager Circle
August
card
information
card 77
ELECTROLVTIC
ETCHING
Are you getting the most value from your dewatering dollar? Now, you can find out with our free, no obligation dewatering analysis. This exclusive service gives you a thorough and unbiased assessment of your liquid/ solid separation process, along with the recommended technology for the most effective volume reduction. No other company can offer you this broad range of dewatering solutions: filter presses, screw presses, belt presses, thickeners and dryers. So whether you’re considering a new system, upgrade or simply want to verify your existing process, e-mail us at dewatering@u<er.com or call 1.800.245.3006 and ask for your Dewatering Efficiency Analysis. It’s fast. It’s easy. And best of all, it’s from the leader in liquid/solid separation systems and technologies USFilter Dewatering Systems Group.
MEIVIOD
uSF;Jgjer
U.S. Patent 5,849,173. Dec. 15, 1998 E.A. Chandross and S.G. Kosinski, assignors to Lucent Technologies Inc., Murray Hill, N.J.
A method for reshaping a substantially sharp tip of an elongated tungsten electrode to improve robustness of the elongated electrode in an arc fusion for splicing optical fibers comprising immersing in an electrolyte solution capable of dissolving an oxidation product of the elongated electrode; providing a stainless steel electrode at a distance from the elongated tungsten electrode in the electrolyte solution; causing an electrical current to flow between the elongated tungsten electrode as the anode and the stainless steel electrode as the cathode for a period of time to reshape the sharp tip into a profile having a substantially round tip, creating a reshaped elongated tungsten electrode possessing improved robustness in the arc fusion for splicing optical fibers.
Taking care of the world; water.
Circle
028 on reader
information
WhatcanourBum-off ovendofbryou?
‘c-----z
Before
After
Burn-off ovens are all that we make. Yet after 25 years and 4,000 ovens, we still see our business as one of “solving problems *‘. Give us a call and we’ll listen to your needs before recommending a solution. Or fill out the response card in the magazine. We’ll do whatever it takes to provide a quality OLLUTION product at a fair price. RODUCTS
pELECTROLESS
COPPER
PIATING
U.S. Patent 5,849,355. Dec. 15, 1998 M.R. McHenry, assignor to AlliedSignal Inc., Morristown, N. J. 1999
043 on reader
CO.
2677 Freewood Dallas, Texas 75220-2664 Tel: (214) 356-l 539 Fax: (214) 356-3379
Keith Brown National Sales Manager Circle
August
card
information
card 77