The device comprises an autoclave (1), a solvent tank or bottle (2), a tank (3) for gravity collection and cooling of the residual solution arriving form autoclave (1) for its later recovery, a dosification tank for concentrated reagent (4), dosed according to the weight of cellulosic material treated,...http://www.google.es/patents/US7211221?utm_source=gb-gplus-sharePatente US7211221 - Device and method for mass deacidification, elimination of free acidity and disinfestation of cellulosic materials
Device and method for mass deacidification, elimination of free acidity and ...