A procedure for neutralizing Waste acid with simultaneous Generation of Salt Crystals and the use of this procedure for the production of ammonium desulfato

摘要

We describe a procedure for Neutralization of residual acid (S), and at the same time to obtain Crystals of salt (as) of the salts formed during laneutralizacion.The procedure is particularly suitable for the production of sulphate Deamo nio (as) from a residual sulfuric acid (S) usandoamonu00edaco as Neutralizer (a).The residual acid is an aqueous solution with organic substances (OG).The reaction Heat released during a laneutralizacion can usarsepara solution concentration and Crystallization.In the first procedure (Part I) and neutralizes the u00e1cidoresidual - to prevent crystallization of the salt is diluted with water (W)And orgu00e1nicasque substances are removed from the aqueous solution (L) during the Neutralization.(c) there is a crystallization of the Salt crystals - in particular - The AMMONIUM SULFATE which is withdrawn from the solucionacuosa (L) as a product (as) in a segundoprocedimiento parttime (ii)Through a process of Evaporation / Crystallization using the heat of reaccionliberado procedure in the first part.