| Título: | Refining of Soda-AQ, Kraft-AQ, and Ethanol Pulps from Orange Tree Wood |
| Autores: |
González, Zoilo; Chemical Engineering Department, University of Córdoba, 14071, Córdoba, Spain Rodriguez, Alejandro; University of Córdoba Vargas, Fátima; Chemical Engineering Department, University of Córdoba, 14071, Córdoba, Spain Jiménez, Luis; Chemical Engineering Department, University of Córdoba, 14071, Córdoba, Spain |
| Fecha: | 2013-08-01 |
| Publicador: | Bioresources |
| Fuente: |
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| Tipo: |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
| Tema: | Orange tree wood; Soda-anthraquinone; Kraft-anthraquinone; Ethanol; Pulp refining |
| Descripción: | The pulp yield of orange tree wood was tested under various conditions including processing with soda-anthraquinone (soda-AQ), kraft-anthraquinone (kraft-AQ), or ethanol under different temperature, time, reagent concentration, and PFI laboratory beater beating regimes. Beating grade and stretch properties were studied, with a view to identifying the optimum operating conditions. Polynomial equations were derived that generally reproduced the dependent variables, with errors in most cases much less than 20%. Kraft-AQ pulping was the most efficient. The values of the tensile, burst, and tear indices obtained with kraft-AQ (78.04 Nm/g, 4.84 kN/g, and 2.97 mNm2/g, respectively), were in most cases higher than those found for soda-AQ and ethanol pulps. Using lower values of operational conditions than those required to maximize the studied paper properties (170 °C, 65 min, 13% active alkali, and 2700 number of PFI beating revolutions), it was possible to provide a more energy- and chemically-efficient process for industrial facilities. |
| Idioma: | Inglés |