Sodium lignosulfonate (lignosulfonic acid, sodium salt) is used in the food industry as a de-foaming agent for paper production and in adhesives for items that […]
Calcium Lignosulfonate Manufacturing
An insoluble basic calcium lignosulfonate salt has been produced heretofore by treating the waste liquor from the calcium-base acid sulfite process of wood pulping with […]
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 […]
Lignosulfonate and kraft lignin
The world’s most abundant renewable resource is biomass (wood and nonwood), of which the three main components are cellulose, hemicellulose, and lignin. In woody biomass, […]
Sodium lignosulfonate superplasticizer
The effects of sodium lignosulfonate superplasticizer on the hydration of Portland cement Type V have been investigated by XRD and FTIR techniques. The results of […]