Online Raman monitoring of the phase transition of magnesium sulphite hydrate

Chemical Engineering and Processing: Process Intensification

Volumn 44, Issue 4, 2005, Pages 471-475

  Steindl, M ^a   Roder T ^b   Simharl, R ^b   Harasek, M ^c   Friedl, A ^c   Sixta, H ^b  

^a Competence Ctr Wood Compos WCK ^*  (Austria)

^b LENZING AG   (Austria)

^c VIENNA UNIVERSITY OF TECHNOLOGY   (Austria)

Author keywords

Magnesium; Monitoring; Phase transition; Pulping; Raman; Sulphite

Indexed keywords

ABSORPTION; COMBUSTION; MAGNESIUM COMPOUNDS; OPTIMIZATION; PH EFFECTS; PULP; RAMAN SPECTROSCOPY;

MAGNESIUM BISULPHITE; RAMAN MONITORING; SULPHUR DIOXIDE (SO2);

PHASE TRANSITIONS;

PHASE CHANGE;

ABSORPTION; COMBUSTION; OPTIMIZATION; PH; PHASE TRANSITION; PULPS; RAMAN SPECTROSCOPY;

EID: 7944227803     PISSN: 02552701     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cep.2004.06.011     Document Type: Article

References (13)

1. O.V. Ingruber, Sulfite Science and Technology, 3rd ed., Joint Textbook Committee of the Paper Industry, 1985.
2. 2 systems, Tappi 45 (1962) 849-854.
3. H. Hagisawa, Studies of magnesium sulphite, Bull. Inst Phys. Chem. Res. 12 (1933) 976-983.
4. J. Nývlt, Solubilities of magnesium sulfite, J. Therm. Anal. Calc. 66 (2001) 509-512.
5. H.D. Lutz, S.M. El-Suradi, B. Engelen, Zur Kenntnis der Sulfite und Sulfithydrate des Zinks, Mangans, Magnesiums und Cobalts - Röntgenographische, spektroskopische und thermoanalytische Untersuchungen, Z. Nat 32b (1977) 1230-1238.
6. H.D. Lutz, W. Eckers, J. Henning, M. Jung, W. Buchmeier, High-temperature Raman spectra in thermoanalytical studies on the hydrates of magnesium and zinc sulfite, Thermochim. Acta 74 (1984) 323-330.
7. J.W. Bats, H. Fuess, Y. Ellerman, Deformation density in magnesium sulfite hexahydrate, Acta Crystallogr. B42 (1986) 552-557.
8. 2O, Acta Cryst. C40 (1984) 584-586.
9. O. Söhnel, A. Rieger, Phase transition of magnesium sulphite hydrates in aqueous suspension, Crystallogr. Res. Technol. 28 (1993) 487-493.
10. A.V. Gladkii, V.V. Govorov, A.I. Silantév, V.I. Budanov, Kinetics of the recrystallization of crystal hydrates of magnesium sulfite, Zhur. Prikl. Khim. 50 (1977) 422-423.
11. C.-C. Chen, H.I. Britt, J.F. Boston, L.B. Evans, Local composition model for excess Gibbs energy of electrolyte systems. Part I. Single solvent, single completely dissociated electrolyte systems, AIChE J. 28 (1982) 588-596.
12. C.-C. Chen, Representation of solid-liquid equilibrium of aqueous electrolyte systems with the electrolyte NRTL model, Fluid Phase Equilib. 27 (1986) 457-474.
13. C.-C. Chen, P.M. Mathias, H. Orbey, Use of hydration and dissociation chemistries with electrolyte-NRTL model, AIChE J. 45 (1999) 1576-1586.