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Permselective membrane research for stainless steel pickle liquors.

Authors
Horter-GL; Stephenson-JB; Dressel-WM
Source
Recycle and secondary recovery of metals: proceedings of the International Symposium on Recycle and Secondary Recovery of Metals and the Fall Extractive and Process Metallurgy Meeting, December 1-4, 1985, Fort Lauderdale, Florida. Taylor PR, Sohn HY, Jarrett N, eds. Warrendale, PA: Metallurgical Society, 1987 Feb; :467-475
Link
NIOSHTIC No.
10004928
Abstract
Acid pickling of stainless steel annually generates approximately 30 million gallons of depleted nitric acid-hydrofluoric acid solutions as an undesirable byproduct. Disposal of these acid solutions significantly increases the cost of manufacturing stainless steel. Recent advances in ion-selective membrane technology have opened new avenues to economically regenerate these acid solutions as an alternative to disposal. Experimental work has indicated that an electrodialysis cell utilizing ion-selective membranes has potential for separating dissolved metals from depleted pickling acid solutions, allowing the acids to be regenerated for return to the pickling process.
Keywords
Waste-treatment; Acids; Steel-industry
Publication Date
19870201
Document Type
OP; Conference/Symposia Proceedings
Editors
Taylor-PR; Sohn-HY; Jarrett-N
Fiscal Year
1987
NTIS Accession No.
NTIS Price
ISBN No.
9780873390071
Identifying No.
OP 19-86
NIOSH Division
RORC
Source Name
Recycle and secondary recovery of metals: proceedings of the International Symposium on Recycle and Secondary Recovery of Metals and the Fall Extractive and Process Metallurgy Meeting, December 1-4, 1985, Fort Lauderdale, Florida
State
MO; PA
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