Online monitoring of kappa number during batch pulping by visible spectroscopy

Industrial and Engineering Chemistry Research

Volumn 48, Issue 10, 2009, Pages 4872-4876

  Shen, Wenhao ^a   Chen, Xiaoquan ^a  

^a SOUTH CHINA UNIVERSITY OF TECHNOLOGY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

CHEMOMETRICS; COOKING LIQUOR; DISSOLVED LIGNIN; END POINTS; HIGH MOLECULAR WEIGHT; KAPPA NUMBERS; LIGNIN CONTENTS; MANUAL METHODS; MEASURING METHOD; ON-LINE MEASUREMENT; ONLINE MONITORING; PULP KAPPA; PULPING PROCESS; SPECTRAL ABSORPTIONS; VISIBLE SPECTROSCOPY; VISIBLE WAVELENGTHS;

DELIGNIFICATION; DISSOLUTION; INFRARED SPECTROPHOTOMETERS; LIGNIN; PAPER AND PULP MILLS; PULP COOKING; SULFITE PROCESS; WATER ABSORPTION;

SULFITE PULP;

DELIGNIFICATION; DISSOLVING; HEATING; LIGNINS; PAPER MILLS; PHOTOMETERS; PULP MILLS; SPECTROMETERS; SULFITE PULPS; WATER ABSORPTION;

EID: 67249090009     PISSN: 08885885     EISSN: None     Source Type: Journal    
DOI: 10.1021/ie802008r     Document Type: Article

References (21)

1. Kappa Number of Pulp, Test Method T 236; TAPPI Press: Atlanta, GA.
2. Jiang, Z. H.; Audet, A.; van Lierop, B.; Berry, R. Kappa Number Testing with Better Repeatability and at Lower Cost. Pulp and Paper Technical Association of Canada (PAPTAC) 90th Annual Meeting Montreal, Quebec, Canada, 27-29 Jan, 2004; PAPTAC: Montreal, Quebec, Canada, 2004; pp C111-C115.
3. Chai, X.-S., Zhu, J.-Y. Method for Rapidly Determining a Pulp Kappa Number Using Spectrophotometry. U.S. Patent 6,475,339, 2002.
4. Kubulnieks, E.; Lundqvist, S. O.; Pettersson, T. The STFI OPTIKappa Analyzer: Applications and Accuracy. TAPPI J. 1987, 70 (11), 38- 42.
5. Yeager, R. Online K Number Analysis Smoothes Fiberline Operation at Northwood Kraft. Pulp Paper 1998, 72 (9), 87-88-91-92.
6. Bentley, R. G. An Optical Approach to the Measurement of the Lignin Content of Kraft Pulps. Part A: Using Ultraviolet Measurements. Proc. SPIE 1986, 665, 265-279.
7. Marton, J.; Sparks, H. E. Determination of Lignin in Pulp and Paper by Infrared Multiple Internal Reflectance. TAPPI J. 1967, 50 (50), 363- 368.
8. Berben, S.; Rademacher, J.; Sell, L.; Easty, D. Estimation of Lignin in Wood Pulp by Diffuse Reflectance Fourier-Transform Infrared Spectrometry. TAPPI J. 1987, 70 (11), 129-133.
9. Faix, O.; Welkener, U.; Patt, R. Method for Controlling the Digestion of Pulp by IR Spectroscopy. U.S. Patent 4,743,339, 1988.
10. Yuzak, E.; Lohrke, C. At-Line Kappa Number Measurement by Near-Infrared Spectroscopy. In TAPPI Pulping Conference, 1993; TAPPI Press: Atlanta, GA, 1993; pp 663-671.
11. Barringer, N.; Norder, S. Method and Arrangement for Determining Fibre Properties by Near-Infrared-Spectroscopy. U.S. Patent 5,536,942, 1996.
12. Badenlid, R.; Andersson, S.; Stromberg, E. L.; Bergstrom, J. Method in Connection with the Production of Pulp, Paper or Paperboard. U.S. Patent 01/79816 A1, 2001.
13. Birkett, M.; Gambino, M. Estimation of Pulp Kappa Number with Near-Infrared Spectroscopy. TAPPI J. 1989, 72 (9), 193-197.
14. Van Fleet, R. J.; Millar, O. D. Continuous In-Line Kappa Measurement System. U.S. Patent 5,953,111, 1999.
15. Poke, F. S.; Wright, J. K.; Raymond, C. A. Predicting Extractives and Lignin Contents in Eucalyptus globulus Using Near Infrared Reflectance Analysis. J. Wood Chem. Technol. 2004, 24 (1), 55-67.
16. Trung, T. P.; Leclerc, D. Method for Determining Lignin Content in Chemical Pulps Using Raman Spectrometry. U.S. Patent 6,551,451, 2003.
17. Pearl, I. A. The Chemistry of Lignin; Academic: New York, 1967.
18. Brauns, F. E.; Brauns, D. A. The Chemistry of Lignin: Supplment Volume; Academic Press: New York, 1960.
19. Brauns, F. E.; Brauns, D. A. The Chemistry of Lignin: Supplement Volume; Academic Press: New York, 1960.
20. Norrström, H. Light Absorbing Properties of Spruce Bisulfite Pulp. 1. Effect of Cooking Conditions, Part 2. Effect of Lignin Preserving Bleaching. Svensk Papperstidning 1970, 73 (15), 455-461.
21. Long, Y. Q. The Comparison of Miscanthus sacchariflorus's Delignification in Sulphate Cooking and Bisulfite Cooking. Pulp Paper China 1984, 4 (4), 3.