SEPARATION OF NICKEL, ALUMINUM AND MAGNESIUM FROM SPENT STEAM REFORMING CATALYSTS USING ION EXCHANGE RESINS
GAVRILĂ LUCIAN*, ISTRATI LĂCRĂMIOARA*, CONSTANTIN MARIA-MAGDALENA*, SIMION ANDREI*, IVASCAN ŞTEFAN**
*UNIVERSITY OF BACĂU, DEPOLLUTION ENGINEERING LABORATORY, CALEA MARASESTI 157, RO 5500 BACĂU, ROMANIA, E-MAIL: LGAVRILA@UB.RO **TECHNICAL UNIVERSITY “GH. ASACHI” IAŞI, FACULTY OF INDUSTRIAL CHEMISTRY, BD. MANGERON 71, RO-6600 IAŞI, ROMANIA
Abstract
The paper presents the possibilities of nickel, aluminum and magnesium separation from acid solutions that are obtained from spent steam-reforming catalysts treated with sulfuric acid. Flow sheets for obtaining electroplating nickel sulfate, aluminum sulfate (alum) and industrial magnesium chloride are established.