Vibrational Spectroscopy in the Pulp and Paper Industry

Abstract

The sections in this article are Introduction Comparative Advantages and Limitations of Infrared and R aman Spectroscopies Topical Overview of Article History Early Pulp and Paper Applications of Vibrational Spectroscopy Current Scope of FT ‐ IR and FT ‐ NIR Pulp and Paper Applications Current Scope of R aman Pulp and Paper Applications Sampling Methods FT ‐ IR Sampling Techniques DRIFTS ATR FT ‐ IR Microscopy PAS FT ‐ R aman Sampling Techniques Raman Microscopy R aman Fiber‐Optic Probes Laboratory Applications Lignocellulosic Material Characterization Cellulose and Lignin (Wood Species, Pulp, Paper) Color/Brightness Reversion Studies Extractives Analysis Contaminant Analysis Characterization of Papermaking Additives FT ‐ IR and FT ‐ NIR On‐Line Applications K raft Pulping Alkaline Sulfite Anthraquinone Methanol Pulping Other Applications FT ‐ R aman and Other Vibrational Spectroscopic Applications Lignin Content and K appa Number Determination Brightness Reversion and Photo‐Yellowing Classification of Wood Types Paper and Paper Additives Analysis Other Vibrational Spectroscopy Applications Performance, Maintenance and Data Quality Issues Performance and Maintenance Requirements Reststrahlen (Inversion) Bands in DRIFTS Optimization of ATR Sensitivity R aman Signal Enhancement of Lignocellulosic Materials Development of Quantitative Methods Univariate Calibration Multivariate Calibration Concluding Remarks Acknowledgments

From Natural Woods to High Density Materials: An Ecofriendly Approach

“…In this work, it was decided to use FTIR-ATR to investigate the surface modifications of the materials after the delignification and densification treatments. This variant of FT-IR spectroscopy has been used since the 1980s in the paper industry and for the characterization of wood and plant materials [21].…”