Enzymatic processing for pulp and paper manufacture - a review

Appita Journal

Volumn 52, Issue 6, 1999, Pages 409-418

  Wong, Ken K Y ^a   Mansfield, Shawn D ^a  

^a SCION   (New Zealand)

Author keywords

[No Author keywords available]

Indexed keywords

BLEACHING; CHEMICAL PULP; DEINKING; ENZYMES; KRAFT PAPER; KRAFT PROCESS; NATURAL FIBERS; PAPERMAKING; PULP REFINING;

ENZYMATIC TREATMENTS;

PAPER AND PULP MILLS;

EID: 0033335008     PISSN: 10386807     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (147)

1. Ouellet, J.Y., Viswanathan, G., Sharman, P., Cross, C.J.E, and Johnson, S. - Paperboard: All you need to know about classification, PIMA's Int. Papermkr., 79(5): 17 (1997).
2. Morgan, D.G., - Proc. 51st Appita Ann. Gen. Conf., Melbourne, Australia, 1:343 1997.
3. Pedersen, L.S. and Felby, C. -Process for preparing a lignocellulose-based product, and product obtainable by the process, PCT Patent WO 96/03546 (1996).
4. Jokinen, O., Kettunen, J., Lepo, J., Niemi, T. and Laine, J. E. -"Method of producing fluff pulp with improved defibration properties, US Patent 5,068,009 (1991).
5. Paice, M.G. and Jurasek, L. -Removing hemicellulose from pulps by specific enzymic hydrolysis, J. Wood Chem. Technol., 4:187 (1984).
6. Jackson, L.S., Heitmann, J.A., Jr. and Joyce, T. W. - Production of dissolving pulp from recovered paper using enzymes, TAPPI J., 81(3):171 (1998).
7. Rahkamo, L., Siika-aho, M., Viikari, L., Leppänen, T. and Buchert, J., - Effects of cellulases and hemicellulase on the alkaline solubility of dissolving pulps, Holzforschung, 52:630 (1998).
8. Kumar, A., Purtell, C. and Lepola, M. - Enzymatic treatment of manmade cellulosic fabrics, Text. Chem. Color., 26(10):25 (1994).
9. Eichinger, D. and Eibl, M. -Lenzing lyocell - an interesting cellulose fiber for the textile industry, Chem. Fib. Int., 46:26 (1996).
10. Rättö, M., Kantelinen, A., Bailey, M. and Viikari, L. - Potential of enzymes for wood debarking, TAPPI J., 76(2):125 (1993).
11. Mansfield, S.D., Wong, K.K.Y. and Richardson, J.D. - Proc. 53rd Ann. Appita Gen. Conf., Rotorua, New Zealand, 2:375 1999.
12. Giovannozzi-Sermanni, G., Cappelletto, P.L., D'Annibale, A. and Perani, C. - Enzymatic pretreatments of nonwoody plants for pulp and paper production, TAPPI J., 80(6): 139 (1997).
13. Jacobs, C.J., Venditti, R.A. and Joyce, T.W. - Effect of enzyme pretreatments on conventional kraft pulping, TAPPI J., 81(2):143 (1998).
14. Jacobs-Young, C.J., Venditti, R.A. and Joyce, T.W. - Effect of enzymatic pretreatment on the diffusion of sodium hydroxide in wood, TAPPI J., 81(1):260 (1998).
15. Johnson, A.P. - Fitting together the ECF-TCF jigsaw, Appita J., 47:243 (1994).
16. McDonough, T.J. - Recent advances in bleached chemical pulp manufacturing technology. Part 1 : Extended delignification, oxygen delignification, enzyme applications, and ECF and TCF bleaching, TAPPI J., 78(3):55 (1995).
17. Viikari, L., Ranua, M., Kantelinen, A., Sundquist, J. and Linko, M. -Proc. 3rd Int. Conf. Biotechnol. Pulp Pap. Ind., Stockholm, Sweden, 67: 1986.
18. Bajpai, P. and Bajpai, P.K. -Reduction of organochlorine compounds in bleach plant effluents, Adv. Biochem. Eng., 57:213 (1997).
19. Suurnäkki, A., Tenkanen, M., Buchert, J. and Viikari, L. -Hemicellulases in the bleaching of chemical pulps, Adv. Biochem. Eng., 57:261 (1997).
20. Tolan, J.S. and Guenette, M. -Using enzymes in pulp bleaching mill applications, Adv. Biochem. Eng., 57:289 (1997).
21. Wong, K.K.Y., de Jong, E., Saddler, J.N. and Allison, R.W. -Mechanisms of xylanase aided bleaching of kraft pulp. Part I: Process parameters, Appita J., 50:415 (1997).
22. Wong, K.K.Y., de Jong, E., Saddler, J.N. and Allison, R.W. -Mechanisms of xylanase aided bleaching of kraft pulp. Part II: Target substrates, Appita J., 50:509 (1997).
23. Yee, E. and Tolan, J.S. - Three years experience running enzymes continuously to enhance the bleaching at Weyerhaeuser Prince Albert, Pulp Pap. Can., 98:42 (1997).
24. Allison, R.W., Wong, K.K.Y., Suurnäkki, A. and Buchert, J. -Proc. 7th Int. Conf. Biotechnol. Pulp Pap. Ind., Vancouver, Canada, C:C69 1998.
25. Paice, M.G., Bourbonnais, R., Reid, I.D., Archibald, F. S. and Jurasek, L. - Oxidative bleaching enzymes: a review, J. Pulp Pap. Sci., 21:J280 (1995).
26. Call, H.P. and Mücke, I. - History, overview and applications of mediated lignolytic systems, especially laccase-mediator-systems (Lignozyme®-process), J. Biotechnol., 53:163 (1997).
27. Bourbonnais, R., Paice, M. G., Freiermuth, B., Bodie, B. and Borneman, S. - Reactivities of various mediators and laccases with kraft pulp and lignin model compounds, Appl. Environ. Microbiol., 63:4627 (1997).
28. Poppius-Levlin, K., Wang, W., Tamminen, T., Hortling, B., Viikari, L. and Niku-Paavola, M.-L. -Proc. 9th Int. Symp. Wood Pulp. Chem., Montréal, Canada, 1997, Oral Presentations :F3/1.
29. Bourbonnais, R., Paice, M. G., Reid, I. D., Lanthier, P. and Yaguchi, M. - Lignin oxidation by laccase isozymes from Trametes versicolor and role of the mediator 2,2' -azinobis (3-ethylbenzthiazoline-6-sulfonate) in kraft lignin depolymerization, Appl. Environ. Microbiol., 61:1876 (1995).
30. Freudenreich, J., Amann, M., Fritz-Langhals, E. and Stohrer, J. - Int. Pulp Bleaching Conf., Helsinki, Finland, 1:71 1998.
31. Ehara, K., Tsutsumi, Y. and Nishida, T. - Biobleaching of softwood and hardwood kraft pulp with manganese peroxidase, Mokuzai Gakkaishi 43:861 (1997).
32. Paice, M.G., Archibald, F.S., Bourbonnais, R., Reid, I.D. and Renaud, S. - Tappi Proc. Biol. Sci. Symp., San Francisco, USA, 1997.
33. Hunt, K., Lee, C.L., Bourbonnais, R. and Paice, M.G. - Pulp bleaching with dimethyldioxirane and lignin-oxidizing enzymes, J. Pulp Pap. Sci., 24:55 (1998).
34. Reid, I.D. and Paice, M.G. -Effects of manganese peroxidase on residual lignin of softwood kraft pulp, Appl. Environ. Microbiol., 64:2273 (1998).
35. Kantelinen, A., Hortling, B., Ranua, M. and Viikari, L. - Effects of fungal and enzymatic treatments on isolated lignins and on pulp bleachability, Holzforschung, 47:29 (1993).
36. Niku-Paavola, M.L., Ranua, M., Suurnäkki, A. and Kantelinen, A. -Effects of lignin-modifying enzymes on pine kraft pulp, Biores. Technol., 50:73 (1994).
37. Buchert, J., Kantelinen, A., Suurnäkki, A., Viikari, L. and Janson, J. - Evaluation of the effects of hemicellulases on the bleachability of sulphite pulps, Holzforschung, 49:439 (1995).
38. Frühauf, S., Gamerith, G. and Ditzelmüller, G. - Biotechnology in the Pulp and Paper Industry -Recent Advances in Applied and Fundamental Research: Facultas-Universitäts verlag, Wien, 115-118 (1996).
39. Bajpai, P. and Bajpai, P.K. - Proc. 7th Int. Conf. Biotechnol. Pulp Pap. Ind., Vancouver, Canada, C:C3 (1998).
40. Christov, L.P. and Prior, B.A. -Repeated treatments with Aureobasidium pullulans hemicellulases and alkali enhance biobleaching of sulfite pulps, Enzyme Microb. Technol., 18:244 (1996).
41. Grönberg, V., Rose, S., Moody, D. and Dunlop-Jones, N. - Proc. 8th Int. Symp. Wood Pulp. Chem., Helsinki, Finland, 11:385 (1995).
42. Hill, C.B. - Tappi Proc. Pulping Conf., Nashville, USA, 2:697 (1996).
43. Richardson, J.D., Wong, K.K.Y. and Clark, T.A. - Modification of mechanical pulp using carbohydrate-degrading enzymes, J. Pulp Pap. Sci., 24:125 (1998).
44. Magdzinski, L. - Tappi Proc. Int. Pulp Bleach. Conf., Washington, D.C., USA, 2:577 (1996).
45. Butler, M.J. and Day, A.W. -Destruction of fungal melanins by ligninases of Phanerochaete chrysosporium and other white rot fungi, Int. J. Plant Sci. 159:989 (1998).
46. Beatson, R.P., Wang, W., Johansson, C.I. and Saddler, J.N. - Proc. 7th Int. Conf. Biotechnol. Pulp Pap. Ind., Vancouver, Canada, A:A211 (1998).
47. Chandra, R.P., Beatson, R.P., de Jong, E. and Saddler, J.N. - Proc. 7th Int. Conf. Biotechnol. Pulp Pap. Ind., Vancouver, Canada, (1998) C:C159.
48. Rapson, W.H. and Corbi, J.C. -Colour reversion caused by degradation products of oxidized cellulose, Pulp Pap. Mag. Can., 65:T459 (1964).
49. Buchert, J., Bergnor, E., Lindblad, G., Viikari, L. and Ek, M. -Significance of xylan and glucomannan in the brightness reversion of kraft pulps, TAPPI J., 80(6):165 (1997).
50. Forsskåhl, I., Tylli, H., Hortling, B. and Olkkonen, C. - Int. Pulp Bleaching Conf., Helsinki, Finland, 2:569 (1998).
51. Tachibana, S., Yamushita, T., Koyanagi, T., Tanaka, R., Honda, Y., Kage, Y., Okada, K. and Sumimoto, M. - Biotechnology in Pulp and Paper Industry: Uni Publishers Co., Ltd., Tokyo, Japan, 21-26 (1992).
52. Welt, T. and Dinus, R.J. -Enzymatic deinking - a review, Progr. Pap. Recycl., 4:36 (1995).
53. Jobbins, J.M. and Franks, N.E. -Enzymatic deinking of mixed office waste: Process condition optimization, TAPPI J., 80(9):73 (1997).
54. Bajpai, P. and Bajpai. P.K. -Deinking with enzymes: a review, TAPPI J., 81(12):111 (1998).
55. Prasad, D.Y., Heitmann, J.A. and Joyce, T.W. - Enzyme deinking of black and white letterpress printed newsprint waste, Prog. Pap. Recycl., 1:21 (1992).
56. Prasad, D.Y., Heitmann, J.A. and Joyce, T.W. - Enzymatic deinking of colored offset newsprint, Nord. Pulp Pap. Res. J., 8:284 (1993).
57. Ow, S.K., Park, J.M. and Han, S.H. - Biotechnology in the Pulp and Paper Industry: Recent Advances in applied and fundamental research: Facultas-Universitätsverlag, Wien, Austria, 163-168 (1996).
58. Moørkbak, A.L. and Zimmermann, W. - Proc. 7th Int. Canf. Biotechnol. Pulp Pap. Ind., Vancouver, Canada, C:C187 (1998).
59. Zollner, H.K. and Schroeder, L.R. - Enzymatic deinking of nonimpact printed white office paper with α-amylase, TAPPI J., 81(3): 166 (1998).
60. Zollner, H.K. and Schroeder, L.R. - Tappi Proc. Recycl. Symp., New Orleans, USA, 261 (1998).
61. Roncero, M.B., Colom, J.F., Pastor, F.I.J., Blanco, A. and Vidai, T. -Int. Pulp Bleaching Conf., Helsinki, Finland, 2:343 (1998).
62. Eom, T.J. and Ow, S.K. - Enzymatic deinking method of old news paper, Jpn.TAPPI J., 45:1377 (1991).
63. Jeffries, T.W., Klungness, J.H., Sykes, M.S. and Rutledge-Cropsey, K.R. - Comparison of enzyme-enhanced with conventional deinking of xerographic and laser-printed paper, TAPPI J., 77(4): 173 (1994).
64. Gübitz, G.M., Mansfield, S.D., Böhm, D. and Saddler, J.N. - Effect of endoglucanases and hemicellulases in magnetic and flotation deinking of xerographic and laser-printed papers, J. Biotechnol., 65:215 (1998).
65. Heise, O.U., Unwin, J.P., Klungness, J.H., Fineran, W.G., Jr., Sykes, M. and Abubakr, S. - Industrial scale-up of enzyme-enhanced deinking of nonimpact printed toners, TAPPI J., 79(3):207 (1996).
66. Knudsen, O., Young, J.D. and Yang, J.L. - Proc. 7th Int. Conf. Biotechnol. Pulp Pap. Ind., Vancouver, Canada, A:A17 (1998).
67. Gehlhoff, W.S. - Tappi Proc. Recycl. Symp., New Orleans, USA, 277 (1998).
68. Diehm, R.A. - Process of manufacturing paper, US Patent 2,280,307 (1942).
69. Bolaski, W. and Gallatin, J.C. -Enzymatic conversion of cellulosic fibers, US Patent 3,04,256 (1962).
70. Yerkes, W.D., Jr. - Process for the digestion of cellulosic material by enzymatic action of Trametes suaveolens, US Patent 3,460,089 (1968).
71. Noé, P., Chevalier, J., Mora, F. and Comtat, J. - Action of xylanases on chemical pulp fibers, part II: enzymatic beating, J. Wood Chem. Technol., 6:167 (1986).
72. Bhardwaj, N.K., Bajpai, P. and Bajpai, P.K. - Use of enzymes in modification of fibres for improved beatability, J. Biotechnol., 51:21 (1996).
73. Wong, K.K.Y., Kibblewhite, R.P. and Signal, F.A. - Dosage of xylanase affects the refining properties of unbleached softwood kraft pulp, Submitted (1999).
74. Dickson, A.R., Wong, K.K.Y. and Mansfield, S.D., Proc. 10th Int. Symp. Wood Pulp. Chem., Yokohama, Japan, 3:252 (1999).
75. Oksanen, T., Pere, J., Buchert, J. and Viikari, L. - The effect of Trichoderma reesei cellulases and hemicellulases on the paper technical properties of never-dried bleached kraft pulp, Cellulose 4:329 (1997).
76. Mansfield, S.D., Wong, K.K.Y. and Dickson, A.R. - Variation in the response of three different Pinus radiata kraft pulps to xylanase treatments, Wood Fibre Sci., in press (1999).
77. Freiermuth, B., Garrett, M. and Jokinen, O. - The use of enzymes in the production of release papers, Pap. Technol., 35(3):21 (1994).
78. Yamaguchi, H. and Yaguchi, T. -Proc. 50th Appita Ann. Gen. Conf., Auckland, New Zealand, 1:91 (1996).
79. Uchimoto, I. and Yamagishi, Y. -Enzyme modification of pulp (Improvement of vessel picking), Jpn. J. Pap. Technol., 2:1 (1990).
80. Ishizaki, H., - Upgrading pulp for papermaking by enzyme treatment, Jpn. TAPPI J., 46(1): 149 (1992).
81. Petit-Conil, M., Sigoillot, J.C., Herpoel, I., Kurek, B., Ruel, K., Moukha, S., Joseleau, J.P., Penninckx, M., Asther, M., Gazza, G. and De Choudens, C. - Proc. 7th Int. Conf. Biotechnol. Pulp Pap. Ind., Vancouver, Canada, A:A143 (1998).
82. Wong, K.K.Y, Anderson, K.B. and Kibblewhite, R.P. - Effects of the laccase-mediator system on the handsheet properties of two high kappa kraft pulps, Enzyme Microb. Technol., 25:125 (1999).
83. Pere, J., Siika-aho, M. and Viikari, L. - Process for preparing mechaical pulp, Can Patent 2,157,513 (1994).
84. Pere, J., Liukkonen, S., Siika-aho, M., Gullichsen, J. and Viikari, L., Tappi Proc. Pulping Conf., Nashville, USA, 2:693 (1996).
85. Viikari, L., Pere, J., Suurnäkki, A., Oksanen, T. and Buchert, J. -Carbohydrates from Trichoderma reesei and Other Microorganisms: Structures, biochemistry, genetics and applications: Royal Society of Chemistry, Cambridge, U.K. 245-254(1998).
86. Eriksson, L.A., Heitmann, J.A., Jr. and Venditti, R. A. - Freeness improvement of recycled fibers using enzymes with refining, ACS Symp. Ser., 687:41 (1998).
87. Moran, B.R. - Enzyme treatment improves refining efficiency, recycled fiber freeness, Pulp Pap., 70(9): 119 (1996).
88. Caram, F.C., Sarkar, J.M., Didwania, H.P., Espinoza, E. and Benavides, J.C. - Tappi Proc. Papermkr. Conf., Philadelphia, USA, 481 (1996).
89. Kibblewhite, R.P. and Clark, T.A. -Proc. 50th Appita Ann. Gen. Conf., Auckland, New Zealand, 1:65 (1996).
90. Kibblewhite, R.P. and Wong, K.K.Y. - Modification of a commercial radiata pine kraft pulp using carbohydrate-degrading enzymes, Submitted (1999).
91. Steadman, R. and Luner, P. -Trans. 8th Fund. Res. Symp., 1:336 (1985).
92. Mansfield, S.D., Dickson, A.R. and Saddler, J.N. - Proc. 7th Int. Conf. Biotechnol. Pulp Pap. Ind., Vancouver, Canada, A:A189 (1998).
93. Hartler, N. and Nyrén, J. - Misaligned zones in cellulosic fibres. Part 3: Their influence in fibre stiffness., Sv. Papperstidn., 71:788 (1968).
94. Oltus, E., Mato, J., Bauer, S. and Farkas, V. - Enzymatic hydrolysis of waste paper, Cellul. Chem. Technol., 21:663 (1987).
95. Jackson, L.S., Heitmann, J.A. and Joyce, T.W. - Enzymatic modifications of secondary fiber, TAPPI J., 76(3):147 (1993).
96. Kantelinen, A., Jokinen, O. and Pere, J. - Tappi Proc. Biol. Sci. Symp., San Francisco, USA, 267 (1997).
97. Mansfield, S.D., de Jong, E., Stephens, R.S. and Saddler, J.N. - Physical characterization of enzymatically modified kraft pulp fibers, J. Biotechnol., 57:205 (1997).
98. Dickson, A.R. and Wong, K.K.Y., Proc. 7th Int. Conf. Biotechnol. Pulp Pap. Ind., Vancouver, Canada, C:C183 (1998).
99. Mansfield, S.D., Wong, K.K.Y., de Jong, E. and Saddler, J.N. -Modification of Douglas fir mechanical and kraft pulps by enzyme treatment, TAPPI J., 79(8):125 (1996).
100. Mansfield, S.D., Wong, K.K.Y., de Jong, E. and Saddler, J.N. -Xylanase prebleaching of fractions of Douglas fir kraft pulp of different fibre length, Appl. Microbiol. Biotechnol., 46:319 (1996).
101. Paavilainen, L. - Importance of particle size - fibre length and fines - for the characterization of softwood kraft pulp, Paperi ja Puu., 72:516 (1990).
102. Karnis, A. - The role of latent and delatent mechanical pulp fines in sheet structure and pulp properties, Paperi ja Puu., 77:491 (1995).
103. Kibblewhite, R.P., Bawden, A.D. and Brindley, C.L. - TMP fibre and fines qualities of thirteen radiata pine wood types, Appita J., 48:367 (1995).
104. Richardson, J.D., Wong, K.K.Y., Robson, C.P. and Anderson, K.B. -Proc. 7th Int. Conf. Biotechnol. Pulp Pap. Ind., Vancouver, Canada, A:A193 (1998).
105. Haynes, K. and Ragauskas, A. -Int. Pulp Bleaching Conf., Helsinki, Finland, 2:355 (1998).
106. Poppius-Levlin, K., Wang, W. and Ranua, M. - Int. Pulp Bleaching Conf., Helsinki, Finland, 1:77 (1998).
107. Mansfield, S.D. and Wong, K.K.Y. - Proc. 10th Int. Symp. Wood Pulp. Chem., Yokohama, Japan, 1999: in press.
108. Back, S., Lazorisak, N., Smeltzer, N. and Schmitt, J. - Production of soft paper products from old newpaper, PCT Patent WO 96/00811 (1996).
109. Lazorisak, N., Schmitt, J. F. and Smith, R. - Production of soft paper products from high and low coarseness fibers, US Patent 5,620,565 (1997).
110. Sharyo, M., Sakaguchi, H., Onishi, M., Takahashi, M., Kida, K., Tamagawa, H., Schülein, M. and Franks, N.E. - Production of sanitary paper, PCT Patent WO 97/27363 (1997).
111. Seger, G.E., Mackey, L.N. and Trokkan, P.D. - Modified cellulosic fibers and fibrous webs containing these fibers, PCT Patent WO 98/56981 (1998).
112. Carr, C. and Knight, P. - How to be objective about softness, Pulp Pap. Eur. 2(6):32 (1997).
113. Felby, C., Pedersen, L. S. and Nielsen, B. R. - Enhanced autoadhesion of wood fibers using phenol oxidases, Holzfonchung 51:281 (1997).
114. Sigoillot, J.-C., Petit-Conil, M., Ruel, K., Moukha, S., Comtat, J., Laugero, C., Joseleau, J.-P., De Choudens, C. and Asther, M. -Enzymatic treatment with manganese peroxidase from Phanerochaete chrysosporium for enhancing wheat straw pulp characteristics, Holzforschung 51:549 (1997).
115. Buchert, J., Rättö, M., Mustranta, A., Suurnäkki, A., Ekman, R., Spezio, M., Siika-aho, M. and Viikari, L. - Proc. 7th Int. Conf. Biotechnol. Pulp Pap. Ind., Vancouver, Canada, A :A225, 1998.
116. Dykstra, G. M. and Stoner, M. T. -TAPPI Proc. Biol. Sci. Symp., San Francisco, USA, 117, 1997.
117. Lavielle, P., Koljonen, M., Piiroinen, P., Koponen, R., Reid, D. and Fredriksson, R. - Proc. Eur. Pulp Pap. Week, 4th Int. Conf., Bologna, Italy, 1:203, 1992.
118. Turner, J. C., Skerker, P. S., Burns, B. J., Howard, J. C., Alonso, M. A. and Andres, J. L. - Bleaching with enzymes instead of chlorine-mill trials, TAPPI J. 75(12):83 (1992).
119. Scott, B. P., Young, F. and Paice, M. G. - Mill-scale enzyme treatment of a softwood kraft pulp prior to bleaching, Pulp Pap. Can. 94(3):57 (1993).
120. Jean, P., Hamilton, J. and Senior, D. J. - Mill trial experiences with xylanase: AOX and chemical reductions, Pulp Pap. Can. 95(12): 126 (1994).
121. Fujita, Y., Awaji, H., Taneda, H., Matsukura, M., Hata, K., Shimoto, H., Sharyo, M., Sakaguchi, H. and Gibson, K. - Recent advances in enzymatic pitch control, TAPPI J. 75(4):117 (1992).
122. Van Haute, E. - Legislation and economics bring on the enzymes, Pulp Pap. Eur: 2(2):11 (1997).
123. Van Haute, E. - Proc. 53rd Appita Annu. Conf., Rotorua, New Zealand, 2:575 1999.
124. Thornton, J., Tenkanen, M., Ekman, R., Holmbom, B. and Viikari, L. - Possibility of increasing mechanical pulp yield by enzymatic treatment, Holzforschung 48:436 (1994).
125. Kantelinen, A., Jokinen, O., Sarkki, M.-L., Pettersson, C., Sundberg, K., Eckerman, C., Ekman, R. and Holmbom, B. - Proc. 8th Int. Symp. Wood Pulp. Chem., Helsinki, Finland, 1:605, 1995.
126. Irie, Y., Matsukura, M., Usui, M. and Hata, K. - Tappi Proc. Papermkrs. Conf., Atlanta, USA, 1990: 1.
127. Gibson, K. - Tappi Proc. Pulp. Conf., 2:775, 1991.
128. Sarkar, J. M., Tsernoglou, D. and Hartig, E. J. - Tappi Proc. Papermkrs. Conf., Chicago, USA, 1995: 175.
129. Luhta, U. and Åkerholm, M. - Int. Pulp Bleaching Conf., Helsinki, Finland, 1:289, 1998.
130. Räsänen, E. and Vuorinen, T. - Int. Pulp Bleaching Conf., Helsinki, Finland, 2:539, 1998.
131. Sykes, M. S., Tan, F., Klungness, J.H. and Abubakr, S. - TAPPI Proc. Pulping Conf., San Francisco, USA, 2:687, 1997.
132. Johnsrud, S. C. - Biotechnology for solving slime problems in the pulp and paper industry, Adv. Biochem. Eng. 57:311 (1997).
133. Freis, R. E. - Enzyme eliminates slime buildup in acid and alkaline systems, Pulp Pap. 57(4):124 (1983).
134. Colsaurdo, A. R. and Wilton, J., Jr. - Sonoco utilizes enzymes to control problems with slime and deposits, Pulp Pap. 62(1):89 (1988).
135. Fuentes, J.-L. and Robert, P. C. -Procédé de traitement d'une pâte papetière par une solution enzymatique, EP Patent O 262 040 A1 (1988).
136. Pommier, J.-C., Fuentes, J.-L. and Goma, G. - Using enzymes to improve the process and the product quality in the recycled paper industry. Part 1 : The basic laboratory work, TAPPI J. 72(6):187 (1989).
137. Bhardwaj, N. K., Bajpai, P. and Bajpai, P. K. - Use of enzymes to improve drainability of secondary fibres, Appita J. 48:378 (1995).
138. Stork, G., Pereira, H., Wood, T. M., Düsterhöft, E. M., Toft, A. and Puls, J. - Upgrading recycled pulps using enzymatic treatment, Tappi J. 78(2):79 (1995).
139. Pommier, J.-C., Goma, G., Fuentes, J.-L. and Rousset, C. - Using enzymes to improve the process and the product quality in the recycled paper industry. Part 2: Industrial applications, TAPPl J. 73(12):197 (1990).
140. Sandström, D. A. - Enzymer förbättrar avvattningen i Skärblacka, Sv. Papperstidn. 99(1):21 (1996).
141. Rutledge-Cropsey, K., Klungness, J. H. and Abubakr, S. -Performance of enzymatically deinked recovered paper on paper machine runnability, TAPPI J. 81(2):148 (1998).
142. Sarkar, J. M. - Recycle paper mill trial using enzyme and polymer for upgrading recycled fibre, Appita J. 50:57 (1997).
143. Lascaris, E., Mew, L., Forbes, L. and Lonergan, G. - Drainage improvement of recycled fibre backwater following α-amylase bio-modification, Appita J. 50:51 (1997).
144. Lascaris, E., Forbes, L. and Lonergan, G. - Tappi Proc. Biol. Sci. Symp., San Francisco, USA, 271, 1997.
145. Forss, K., Jokinen, K., Savolainen, M. and Williamson, H. -Utilization of enzymes for effluent treatment in the pulp and paper industry, Paperi ja Puu 71:1108 (1989).
146. Paice, M. G. and Jurasek, L. -Peroxidase-catalyzed color removal from bleach plant effluent, Biotechnol. Bioeng. 26:477 (1984).
147. Gonçalves, M. L. F. C. and Steiner, W. - Use of laccase for bleaching of pulps and treatment of effluents. ACS Symp. Ser. 655:197 (1996).