| Título: | Polymeric Branched Flocculant Effect on the Flocculation Process of Pulp Suspensions in the Papermaking Industry |
| Autores: | Blanco Suárez, Ángeles ; Fuente González, Elena de la ; Monte Lara, María Concepción ; Cortés, Noelia ; Negro Álvarez, Carlos Manuel |
| Tipo de documento: | texto impreso |
| Fecha de publicación: | 2009 |
| Dimensiones: | application/pdf |
| Nota general: | info:eu-repo/semantics/openAccess |
| Idiomas: | |
| Palabras clave: | Estado = Publicado , Materia = Ciencias: Química: Ingeniería química , Materia = Ciencias: Química: Agua , Materia = Ciencias: Química: Industria del papel , Tipo = Artículo |
| Resumen: |
This paper presents the effect of the structure of cationic polyacrylamides (CPAMs) on flocculation of pulp suspensions and floc properties. A focused beam reflectance measurement (FBRM) probe was used to monitor flocculation, deflocculation, and reflocculation processes in real time. To carry out the study, 1% elemental chlorine free (ECF) eucalyptus kraft pulp containing 20% ground calcium carbonate (GCC) was used. Results show that the effect of the CPAM structure depends on charge density and polymer dose. Floc size does not always decrease with branching degree, whereas floc stability and reflocculation ability increased when highly charged and branched CPAM was used. These findings indicate that the use of highly branched CPAMs with very high molecular weight is very promising as a retention aid method to improve the papermaking process. |
| En línea: | https://eprints.ucm.es/id/eprint/11905/1/Blanco_Polymeric_branched_flocculant_effect_2009.pdf |
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