Process for the production of pulp from material containing ligno celluose

摘要

Process for the production of pulp from material containing ligno celluose.A process for aproduu00e7u00e3o pulp using alkaline delignification u00e9revelado, where the cellulosic material is initially treated comvapor,And a chelation agent is added together as a treatment for steam. The final pH of the stage of treatment porvapor is below 5.The liquors containing chelated, the assimchamados compounds of non process are recycled noprocesso formation of pulp,But expelled him paraprocessamento later where the compounds of non process su00e3oeliminados.