METHOD FOR PRODUCING CALCIUM NITRATE AQUEOUS SOLUTION

摘要

PROBLEM TO BE SOLVED: To provide a method for producing a calcium nitrate aqueous solution by which the calcium nitrate aqueous solution can be produced efficiently and inexpensively with a compact apparatus. SOLUTION: Lime slurry or lime sludge slurry obtained by suspending calcium carbonate into water and nitric acid are continuously brought into neutralization reaction by a static mixer 3. After the neutralization reaction, it is filtered with a filter press 5. COPYRIGHT: (C)2008,JPO&INPIT