Process For Production Of Nickel Carbonate (Vale S/a)
Title: Process for production of nickel carbonate. Abstract: Aspects of the present invention refers to a process for production of nickel carbonate including preparing a magnesium salt solution, contacting the solution with a stream of gaseous CO2, keeping pH between 4 and 10 and temperature,Propylene carbonate based cleaning compositions - patents,Accordingly, the present invention provides for propylene carbonate based cleaning compositions. The compositions comprise propylene carbonate, a glycol ether, water, and an acid activator. The compositions may optionally also comprise hydrogen peroxide.Generic Fosrenol Availability - Drugs,The present invention includes an oral pharmaceutical capsule comprising a shell, lanthanum carbonate or lanthanum carbonate hydrate, and a lubricant such as talc, wherein the shell encapsulates the lanthanum carbonate or its hydrate and the lubricant. Capsule shells comprise, for example, gelatin.