Auteur John A. Heitmann
Documents disponibles écrits par cet auteur (2)
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Article : texte imprimé
Hao Chen, Auteur ; Andrew Park, Auteur ; John A. Heitmann, Auteur |When cellulosic fines are present in significant amounts, they can have a dominant influence on dewatering. Pulp suspensions drain rapidly if the fines have been removed. In this study, the dependency of gravity dewatering rates on the level and[...]
Article : texte imprimé
Gang Hu, Auteur ; John A. Heitmann, Auteur ; Orlando J. Rojas, Auteur |Sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) was employed to study the sorption behaviors of cellulases on microcrystalline celluloses and hardwood pulp. The adsorption and recovery of cellulases from Aspergillus niger an[...]
