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- The synergism of laccase/HBT and xylanase will further decrease kappa number. 漆酶和木聚糖酶的协同作用使纸浆的卡伯值进一步下降,并具有更高的强度性能。
- At the conditions,oxygen delignified bamboo pulp with a Kappa number of 11. 本文进行了高卡伯值硫酸盐竹浆氧脱木素工艺条件的优化。
- Kappa number is an important quality index of pulp, and it is determined by the quantity of lignin in pulp. 卡伯值是纸浆质量的重要指标,而纸浆中的木素含量决定了纸浆的卡伯值。
- A newmethod for the measurement of the kappa number of Kraft pulp with reflecting spectrum is presented. 提出了采用反射光谱测量纸浆卡伯值的新方法。
- The factors affecting oxygen delignification of fast-growing eucalyptus kraft pulp with kappa number 17. 对卡伯值为17.;1的速生桉木硫酸盐浆进行了氧脱木素各影响因素的研究。
- A rapid test method for kappa number has been in an urgent need in the pulp and paper industry. 对卡伯值分光光度直接测定法进行了改进和简化。
- One lignin unit was found to be oxidized by about 3 electrons as an average when Kappa number of the pulp became about half (from 25.4 to 13.4). 只有第一阶段氧化反应是木质素与氧气直接反应,而在第二、三阶段主要是协同氧化作用,氧化反应过程中产生的活性氧基团扮演了一定角色。
- Principal component-stepwise regression(PCR-SRA) algorithm was proposed for th e determination of pulp kappa number by near-infrared spectroscopy. 主成分-逐步回归法用于纸浆卡伯值的近红外光谱法测量建模。
- Abstract: This paper introduces a novel method to measure fiber Kappa number according to the fluoresence produced by acridine orange staining. 摘 要: 介绍一种利用吖啶橙染色产生的荧光特性来测量纤维卡伯值的新方法。
- This paper introduces a novel method to measure fiber Kappa number according to the fluoresence produced by acridine orange staining. 介绍一种利用吖啶橙染色产生的荧光特性来测量纤维卡伯值的新方法。
- The result showed that the effect of anthraquinone is first,and its charge 0.1%(on OD material)can decreasing Kappa number from 123 to 54. 结果表明;蒽醌具有最好的效果;其用量为0.;1%25(对绝干原料)时;可使卡伯值由123降到54。
- The choice of wavelength in on-line measurement of pulp Kappa number is deeply affected by electropositive units during batch pulping. 蒸煮过程中,纸浆卡伯值光学法在线测量的波段选择受盐基的影响较大。
- This paper introduces a novel method to measure fiber Kappa number according to the fluorescence produced by acridine orange staining. 介绍一种利用吖啶橙染色产生的荧光特性来测量纤维卡伯值的新方法。
- Pretreatments of wheat straw with xylanase,laccase/HBT,and cellulase prior to NaOH AQ cooking decrease kappa number and increase brightness of the resultant pulp. 利用木聚糖酶、漆酶和纤维素酶在蒸煮前对麦草进行预处理,可降低化学浆的卡伯值,提高未漂浆的白度。
- The results show that polysulfide charge, temperature and time at the temperature during cooking process had an obvious effect on the pulp yield, Kappa number and viscosity. 结果表明,多硫化钠用量、小保温温度以及小保温时间对马尾松纸浆的得率、卡伯值和粘度均有较明显的影响。
- Near infrared diffuse reflectance spectroscopy was studied as a method for estimating kappa number of Chinese red pine wood, bamboo pulp, sugarcane bagasse pulp samples. 介绍了近红外漫反射技术在纸浆卡伯值定量分析测定中的应用。用近红外光谱仪对竹浆、蔗渣浆、松木浆样品的卡伯值进行了分析测定。
- Compared to the conventional kraft(CK) process, EMCC cooking increased pulping selectivity,producing brownstocks with a lower Kappa number and a higher pulp viscosity. 深化脱木素连续蒸煮提高了蒸煮选择性,制得卡伯值较低、粘度较高的纸浆。
- Kappa number is an important quality index.In order to control the conditions in cooking process efficiently, on-line measuring Kappa number is necessary. 纸浆的卡伯值是蒸煮过程的重要质量指标,为合理控制蒸煮工艺条件需要在线测量蒸煮过程中纸浆的卡伯值。
- Then ozonic-hydrogen peroxide bleaching were carried out and the results show that the higher of Kappa number, the poor of the delignification selectivity and the lower of brightness rising. 然后经过臭氧-过氧化氢漂白,结果表明:卡伯值越高,脱木质素选择性越差,白度上升值越低。
- Experimental results indicated that delignification increased significantly with a reinforced alkaline extraction. Kappa number reduction were 35.52% and 43.28% by Eo and Eop respectively. 结果表明,硫酸盐苇浆经碱抽提强化后,氯化木素溶解率大大提高,与E相比,Eo的卡伯值下降了35.;52%25,Eop的卡伯值下降了43