Monoethanolamine (MEA) pulping of beech and spruce wood for production of dissolving pulp
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Iris Claus
Abstract
Delignification with the use of monoethanolamine (MEA) is an innovative, environmentally friendly chemical pulping process that, in contrast to conventional pulping methods, works without the use of sulphur compounds. Of particular benefit is the simple MEA recovery by distillation, allowing black liquor combustion to be dispensed with and the dissolved lignin to be gained. The MEA process is suitable for pulping both hardwood (e.g. beech) and softwood (e.g. spruce). Compared with conventional processes, the MEA process has the advantage of achieving a high degree of delignification through an increase in temperature during pulping without any appreciable damage to the cellulose. When manufacturing dissolving pulps, however, this specific selectivity of MEA requires the removal of the hemicelluloses in an additional stage, preferably by acid prehydrolysis. The conditions of this prehydrolysis step must be selected specifically to be in keeping with the ultimate use of the dissolving pulp, as this stage involves the cellulose chains being chemically attacked. The residual lignin is removed after pulping in a sequence of different bleaching stages. Substituting MEA for the sodium hydroxide solution required as a bleaching alkali in the oxygen delignification stage proves to be especially beneficial, as in this case the COD after bleaching can be considerably reduced by treating the bleaching filtrate from this stage jointly with the effluents from the MEA pulping process.
References
Alsleben, H., Burkart, P., Schleicher, H. (1973) Zur Delignifizierung von Holz mit Gemischen aus Dimethylsulfoxid und Äthanolamin. Zellstoff und Papier2:43–44.Search in Google Scholar
Bartunek, R. (1968) Zellstoff-Fremdgruppen und -Begleitstoffe, Einfluss und Bestimmungsmethoden – Zellstoff und Viskose, Part III. Das Papier22(9):534–540.Search in Google Scholar
Bloom, P., Jahn, E.C. (1941) Determination of cellulose in wood by the use of ethanolamine. Tech. Assoc. Papers24:127–130.Search in Google Scholar
Bloom, P., Jahn, E.C., Wise, L.E. (1942) Monoethanolamine extraction of wood for the determination of cellulose. Techn. Assoc. Papers25:578–585.Search in Google Scholar
Chuiko, G.V., Chupka, E.I., Nikitin, V.M. (1972) Effect of monoethanolamine on delignification during alkaline cooking. Bum. Prom.8:7–8.Search in Google Scholar
Chuiko, G.V., Sobolev, S.E., Chupka, E.I., Nikitin, V.M. (1973) Monoethanolamine additive during alkaline cooking. Leningr. Lesotekh. Akad. Kirova, Leningrad, USSR, Bum. Prom.5:8.Search in Google Scholar
Chuiko, G.V., Chupka, E.I., Nikitin, V.M. (1974a) Influence of monoethanolamine on the delignification of wood. Khim. Ispol’z. Lignina, 289–93 “Zinatna”, Riga, USSR.Search in Google Scholar
Chuiko, G.V., Chupka, E.I., Nikitin, V.M. (1974b) Change in lignin during cooking with monoethanolamine. Khimiya i tekhnol. Tsellyulozy 34–6. From Ref. Zh., Khim. 1975, Abstr. No. 2T41.Search in Google Scholar
Enkvist, T., Moilanen, M. (1949) Äthanolamin-Sulfhydrat als Reagens für die Auslösung von Lignin aus Fichtenholz. Svensk Papperstidning52(23):587–588.Search in Google Scholar
Green, J., Sanyer, N. (1982) Alkaline pulping in aqueous alcohols and amines. Tappi65(5):133–137.Search in Google Scholar
Harlow, W.M., Wise, L.E. (1938) Am. J. Botany25:217–219.10.1002/j.1537-2197.1938.tb09208.xSearch in Google Scholar
Hinck, J.F., Casebier, R. L., Hamilton, J.K. Dissolving pulp manufacture. In: Pulp and paper manufacture, vol. 4: Sulfite Science & Technology. Joint textbook committee of the paper industry, Atlanta, USA, 1985. pp. 213–242.Search in Google Scholar
Humar, M., Petric, M. (2000) Ethanolamine in impregnated wood. Research reports Forestry and Wood Science and Technology. pp. 143–159.Search in Google Scholar
Janson, J. (1970) Calculation of the polysaccharide composition of wood and pulp. Paperi ja Puu, 5:323–328.Search in Google Scholar
Julien, L.M., Sun, B.C.H. (1979) Pulping with amine and soda-amine systems. Tappi62(8):63–65.Search in Google Scholar
Karstens, T. (1999) Patent DE19916347.Search in Google Scholar
Kauppi, P.K. (1985) Pulping process pre-treatment using a lower alkanolamine in the presence of ammonium hydroxide. U.S. patent 4,552,616.Search in Google Scholar
Kleinert, T. N. (1974) Organosolv pulping with aqueous alcohol. Tappi J.57(8):99–102.Search in Google Scholar
Klupsch, R. (2001) Untersuchung zu Herstellung von Chemiezellstoff aus Aspen- und Buchenholz nach dem Dampfdruck-Extraktionsverfahren. Dissertation, University of Hamburg, Germany. pp. 157.Search in Google Scholar
Kubes, G.J., Bolker, H.I. (1978) Sulphur-free delignification I. Alkaline pulping with monoethanolamine and ethylene diamine. Cellulose Chem. Technol.12(5):621–645.Search in Google Scholar
Kubes, G.J., Fleming, B.I., MacLeod, J.M., Bolker, H.I. (1978) Sulfur-free delignification. Tappi61(8):46–50.Search in Google Scholar
Mackie, D.M. (1977) Alkaline pulping of lignocellulosic material with amine and nitrate pretreatment. U.S. patent 4,045,280.Search in Google Scholar
Moskovtsev, N.G., Chupka, E.I. (1978) Effect of monoethanolamine and hydrazine on the addition of lignin from solution to lignocellulose residue during alkali pulping. Khim. Drev.4:57–59.Search in Google Scholar
Moskovtsev, N.G., Chupka, E.I. (1981) Effect of monoethanolamine and anthraquinone on pinewood alkaline pulping. Khim. Drev.3:31–33.Search in Google Scholar
Nimz H.H., Berg, A., Granzow, C., Casten, R., Muladi, S. (1989) Zellstoffgewinnung und –bleiche nach dem Acetosolv-Verfahren. Das Papier43(10A):V102–V107.Search in Google Scholar
öne, 1992Nimz, H.H., Schöne, M. (1992) Holzaufschluss mit Essigsäure unter Zusatz von Ameisensäure. Das Papier42(28):171.Search in Google Scholar
Obst, J.R., Sanyer, N. (1980) Effect of quinones and amines on the cleavage rate of β-O-4 ethers in lignin during alkaline pulping. Tappi63(7):111–114.Search in Google Scholar
Ogiyama, K., Taniguchi, E., Sasaki, T., Yasue, M. (1973) Pulp-properties obtained from the delignification with monoethanolamine. Kami Pa Gikyoshi27(3):123–130.Search in Google Scholar
Peterson, F.C., Wise, L.E. (1940) U.S. patent 2192202.Search in Google Scholar
Peterson, F.C., Wise, L.E. (1940) U.S. patent 2218479.Search in Google Scholar
Puls, J., Lin, J.L., Körner, H.U. (1987) Non-traditional analytical techniques and enzymatic treatments of pulps. Proc. Int. Dissolving Pulps Conf. Geneva, March 24–27. Tappi Press, Atlanta. GA 30348:39–42.Search in Google Scholar
Reid, J., D., Nelson, G.H., Aronovsky, S.I. (1940) Determination of cellulose in fibrous agricultural wastes. Ind. Eng. Chem. Anal. Ed.12(5):255–259.10.1021/ac50145a003Search in Google Scholar
Starr, L.D., Casebier, R. L. (1970) Improvements in alkaline-solvent wood pulping. Brit. patent 1,217,573.Search in Google Scholar
Sundquist, J. (1996) Summary of Milox research. Pap. Puu78(3):92–95.Search in Google Scholar
Treiber, E. (1971) Charakterisierung von Chemiefaserzellstoffen. Das Papier25(12):830–833.Search in Google Scholar
Treiber, E. (1983) Einfluss der Hemicellulosen auf die Weiterverarbeitung von Chemiefaserzellstoffen. Das Papier37(12):591–599.Search in Google Scholar
Wallis, A.F.A. (1976) Reaction of lignin model compounds with ethanolamine, Cellul. Chem. Technol.10(3):345–355.Search in Google Scholar
Wallis, A.F.A. (1978) Wood pulping with mono-, di- and triethanolamine, Appita31(6):443–448.Search in Google Scholar
Wallis, A.F.A. (1980) Wood pulping with monoethanolamine in pressure vessels, Appita33(5):351–355.Search in Google Scholar
Wise, L.E., Peterson, F.C., Harlow, W.M. (1939) The action of ethanolamine on woody tissue. Ind. Eng. Chem., Anal. Ed.11:18–19.10.1021/ac50129a002Search in Google Scholar
Zhang, J., Kamdem, D.P. (2000) FTIR characterization of copper ethanolamine-wood interaction for wood preservation. Holzforschung54:119–122.10.1515/HF.2000.020Search in Google Scholar
© Walter de Gruyter
Articles in the same Issue
- Subject Index
- Contents
- Species Index
- Author Index
- Monoethanolamine (MEA) pulping of beech and spruce wood for production of dissolving pulp
- Voltammetric analysis of the bleachability of softwood kraft pulps
- Alkaline degradation of model compounds related to beech xylan
- Effect of UV radiation on the carbonyl distribution in different pulps
- Changes in the lignin-carbohydrate complex in softwood kraft pulp during kraft and oxygen delignification
- Carbohydrate structures in residual lignin-carbohydrate complexes of spruce and pine pulp
- Ozonation of pine kraft lignin in alkaline solution. Part 1: Ozonation, characterization of kraft lignin and its ozonated preparations
- Ozonation of pine kraft lignin in alkaline solution. Part 2: Surface active properties of the ozonated kraft lignins
- Lignin reactions in oxygen delignification catalysed by Mn(II)-substituted molybdovanadophosphate polyanion
- Bioactive phenolic substances in industrially important tree species. Part 2: Knots and stemwood of fir species
- Evaluation of hydrocarbon emissions from heart- and sapwood of Scots pine using a laboratory-scale wood drier
- Effect of pulsating tension-torsion combined loading on fatigue behavior in wood
- Effects of density and microfibril orientation on the vertical variation of low-stiffness wood in radiata pine butt logs
- Determination of the natural durability of larch wood (Larix decidua Mill.) from the Western Italian Alps
- High-performance liquid chromatographic analysis of soluble and total oxalate in Ca- and Mg-amended liquid cultures of three wood decay fungi
- Artificial weathering of tropical woods. Part 1: Changes in wettability and Artificial weathering of tropical woods. Part II: Color change
Articles in the same Issue
- Subject Index
- Contents
- Species Index
- Author Index
- Monoethanolamine (MEA) pulping of beech and spruce wood for production of dissolving pulp
- Voltammetric analysis of the bleachability of softwood kraft pulps
- Alkaline degradation of model compounds related to beech xylan
- Effect of UV radiation on the carbonyl distribution in different pulps
- Changes in the lignin-carbohydrate complex in softwood kraft pulp during kraft and oxygen delignification
- Carbohydrate structures in residual lignin-carbohydrate complexes of spruce and pine pulp
- Ozonation of pine kraft lignin in alkaline solution. Part 1: Ozonation, characterization of kraft lignin and its ozonated preparations
- Ozonation of pine kraft lignin in alkaline solution. Part 2: Surface active properties of the ozonated kraft lignins
- Lignin reactions in oxygen delignification catalysed by Mn(II)-substituted molybdovanadophosphate polyanion
- Bioactive phenolic substances in industrially important tree species. Part 2: Knots and stemwood of fir species
- Evaluation of hydrocarbon emissions from heart- and sapwood of Scots pine using a laboratory-scale wood drier
- Effect of pulsating tension-torsion combined loading on fatigue behavior in wood
- Effects of density and microfibril orientation on the vertical variation of low-stiffness wood in radiata pine butt logs
- Determination of the natural durability of larch wood (Larix decidua Mill.) from the Western Italian Alps
- High-performance liquid chromatographic analysis of soluble and total oxalate in Ca- and Mg-amended liquid cultures of three wood decay fungi
- Artificial weathering of tropical woods. Part 1: Changes in wettability and Artificial weathering of tropical woods. Part II: Color change