July 28, 2020 admin Blog Sodium lignosulfonate water-reducing agent Sodium lignosulfonate water-reducing agent by using pulping black liquor, which has the following preparation technological steps: after the thin pulping black liquor is concentrated into dark black liquor of which… Read More
July 12, 2020 admin Blog Separation of lignosulfonates from sulfite spent liquor The spent liquor of the sulfite pulping process is dilute and contains other impurities; therefore, lignosulfonates should be separated from the spent liquor for increased commercial value. Because lignosulfonates are… Read More
July 12, 2020 admin Blog Sulfonated lignin from kraft black liquor The sulfite pulping process has many environmental issues, and thus, only a small portion of market pulp (less than 10%, roughly 7 million tons) is produced by the sulfite pulping… Read More
July 12, 2020 admin Blog Lignin and Lignosulfonate Relation Lignin is the largest reservoir of aromatic compounds on earthand has great potential to be used in many industrial applications. Alternative methods to produce lignosulfonates from spent sulfite pulping liquors… Read More