PROCESS FOR THE RECOVERY OF NICKEL FROM SPENT CATALYST

摘要

THE PRESENT INVENTION RELATES TO A PROCESS FOR RECOVERY OF NICKEL AND ALUMINA FROM SPENT CATALYST BY DIRECT LEACHING WITH SULPHURIC ACID IN PRESENCE OF SMALL AMOUNT OF AN ADDITIVE. THE INVENTION IS USEFUL FOR RECOVERY OF BOTH NICKEL AND SOURCES OF NICKEL AND THEREFORE IMPORTANT FROM THE VIEW OF ENVIRONMENTAL PROTECTION, RESOURCE RECYCLING AND CONSERVATION.