The Beatability of Wheat Straw Soda and Monoethanolamine Pulps
In this study the beatability of soda and monoethanolamine pulps was compared. The refining of pulps was done in pilot scale Voith refiner Model LR 40. The results show that the maximum tensile and burst indices of monothanolamine pulp are reached with consumption of 70 kWh energy in pilot scale Voi...
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Veröffentlicht in: | Majallah-i ṣanāyiʻ-i chūb va kāghaz̲-i Īrān 2016-09, Vol.7 (2), p.155-166 |
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Zusammenfassung: | In this study the beatability of soda and monoethanolamine pulps was compared. The refining of pulps was done in pilot scale Voith refiner Model LR 40. The results show that the maximum tensile and burst indices of monothanolamine pulp are reached with consumption of 70 kWh energy in pilot scale Voith refiner and the increasing of energy more than this level has the adverse effect on these indices. In the case of soda pulp increasing the energy up to 500 kWh has the linear relationship with tensile and burst indices. In comparison to monoethanolamine pulp, the refining of soda pulp is more difficult and needs more energy. Using monoethanolamine pulp resulted in saving of energy by 70-80 % to reach the optimum strength indices. |
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ISSN: | 2008-9066 2423-3242 |