Manufacturing method of Busan lime fertilizer using waste lime

摘要

PURPOSE: Provided is a method for producing by-product lime fertilizer as soil improver by using waste lime generated from purification of sodium hydroxide. CONSTITUTION: The by-product lime fertilizer is produced by grinding lime waste to a size of 600micrometer, drying at 200-300deg.C for 1-2hrs. for removal of water, grinding, and optionally adding 10wt.% of uncalcined lime(Ca(OH)2) to increase of alkalinity of fertilizer.