Method for preparing byproduct lime fertilizer by using sludge of gypsum of phosphoric acid and byproduct lime fertilizer prepared from the same

摘要

The invention and quicklime (CaO) to the resulting sludge from waste sludge and phosphoric acid gypsum plaster refining process calcium carbonate, zeolite, or by the addition of a binder selected from a mixture thereof relates to lime fertilizer lime fertilizer (byproduct lime fertilizer) Preparation of the soil from the way and this is .