September 2000

Kraft Pulp II

 An Innovative Technology for Kraft Pulping
   -New process of producing highly concentrated polysulfide by electrolysis of white liquor-
                                                     Hiraku Nihei...(1)

 Environmental Measures of Kraft Pulp Production                  Yutaka Kaneda...(10)

 The Application of Xylanase on Hardwood Kraft Pulp Bleaching and its Operating Experience
                                               Nobuyuki Fukunaga...(26)

 The Experience of ECF Bleaching Plant Operation                Keiichi Nakamata...(34)

 Lo-SolidsTM Cooking Update
   -Yield Improvement, AQ Effect and Application to Overloaded Digesters-
                            Chiaki Kawakami, Eric Wiley and Bertil Stromberg...(39)

 Extended Oxygen Delignification with the OxyTracTM Process
                                   Monica Bokstrom and Toru Kobayashi...(50)

Topics & Information

 Introduction of New Wet Strengthening Agent Arafix255            Yoshimori Nabeta...(59)

 A Cut Paper Quality Measuring System -Spec*Edge2000MJ-         Hiroyuki Kasai...(65)

 Introduction of Research Laboratories Kochi Prefectural Paper       Technology Center...(72)

Research Report

 Micro-Surface Roughening of Paper by Sputter Etching and its Optical Application Part.4
   -Opacity Increase in Cellophan Sheet by Oxygen Gas Sputtering-
                                     Satoshi Fukui and Tatsuo Yamauchi...(75)

 Oxygen-Weak Base Pulping of Rice Straw with Minimum Silica Removal Seung-
        Young Park, Keiichi Koda, Yuji Matsumoto, Gyosuke Meshitsuka and Kenji Iiyama...(81)

 HBS Pulping -Pulping of Softwood
                         Junko Kajimoto, Yoshihiro Sano, Wahyu Eko Widodo,
                                   Takao Kishimoto and Yasumitsu Uraki...(88)

53rd JAPAN TAPPI General Meeting                                    ...(96)

Committee report                                                ...(03)

Essay on Intellectual Property                                        ...(71)

Coffee break                                                   ...(74)

Papyrus                                                      ...(119)

Industry News(Domestic and International)                                ...(121)

List of Titles in Foreign Journals Received by JAPAN TAPPI                    ...(128)

List of Patents issued and Laid-open Publication                            ...(130)

Price list of Domestic Logs and Wood Chips by District                       ...(138)

Wholesale Price list of Papers at Tokyo Trade Center                         ...(139)

Other Monthly Statistics                                           ...(141)