nickel beneficiation soda ash

Apr 15, 2010 Nickel recovery from spent Raneynickel catalyst through dilute sulfuric acid leaching and soda ash precipitation. Lee JY(1), Rao SV, Kumar BN, Kang DJ, Reddy BR. Author information: (1)Minerals and Materials Processing Research Division, Korea Institute of Geoscience and Mineral Resources, Daejeon 305-350, South Korea.