DETERMINATION OF KRAFT LIGNIN CONCENTRATIONS BY FTIR

编号 zgly0000332958

文献类型 期刊论文

文献题名 DETERMINATION OF KRAFT LIGNIN CONCENTRATIONS BY FTIR

学科分类 220.5570;林产化学加工学

作者 VietHoang  K.LoiNguyen 

作者单位 AustralianPulpandPaperInstitute 

母体文献 天津科技大学学报 

年卷期 2004,19(A02)

页码 97-100

年份 2004 

分类号 TS761  TS74 

关键词 牛皮纸  木质素  部分最小平方算法  制浆  FTIR 

文摘内容 A fast and accurate method based on FTIR is developed for determining the lignin content and its characteristic bands in alkali solutions. The work consisted of two main parts: 1) establishing a predictive model and 2) determination of the accuracy of the model. The model was derived by applying the partial least squares algorithm for multivariate analyses to a set of spectrum data obtained from selected IR absorption regions in the range of 1600-900 cm^-1. The model was tested with spent liquors obtained from commercial pulp mills. The accuracy of the predictive model is extremely high suitable for commercial applications, particularly for monitoring the dynamic response of modem kraft pulping processes。