2002 Apr JAPAN TAPPI JOURNAL

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JAPAN TAPPI JOURNALVol. 56, No. 4

CONTENTS
April 2002


 Welcoming New Graduates


Topics & Information

 A Laboratory Study of Damaged Wastepaper                     Fumihiko Mukae...(1)

 What Papermakers Need to Know -Where to get Environmentally Approved, Quality Fibre-
                                                 Allan G. Jamieson...(7)

 Scale Deposit Problems and their Control in ECF Bleach Plants       Hirotaka Tanabe...(13)

 Advanced Spray Coating Technology -OptiSpray-  Vilho Nissinen and Hidehiko Yamazaki...(19)

 The Development of New High Speed Paper Machine Series           Akihito Nagano...(31)

 Drainage of Forming Part -V. I. D. Formation System-             Kazunori Nagatomo...(41)

 Application of DIA-BIOFRINGE to the Treatment of Paper Mill Wastewater
                        Hisao Murakami, Katsumi Sone and Yasuyuki Takagawa...(47)

 Introduction of EBARA Water and Heat Recycling Systems           Yuji Tsukamoto...(55)

 Conversion to ECF Bleaching-A Comparative Study with Focus on the First Bleaching
              Stage Martin Ragnar, Marcelo Moreira Leite and(Translated)Michio Imai...(60)

 Sectioning Techniques of Papers for Observation and Analysis by Using OM,
   SEM and EPMA Sectioning Techniques for Optical Microscopy      Tadahira Hamada...(69)


Introduction of Research Laboratories (28)

 Graduate Course of Geosystem Engineering/Program for Social Innovation,
  Department of Systems Innovation, School of Engineering, the University of Tokyo     ...(88)


Research Report

 Effect of Blending Ratio of Amphoteric and Anionic Latex on Print Quality of Coated Paper
                             Yong-Kyu Lee, Kyu-Jae Park and Shigenori Kuga...(91)

 Methodology to Use Flatbed Image Scanner for Formation Analysis of Paper
                                   Toshiharu Enomae and Shigenori Kuga...(97)


Pulp and Paper Mills in Japan(12)

 -Niigata Mill, Hokuetsu Paper Mills, LTD.-Hokuetsu Paper Mills, LTD.              ...(105)


Committee report                                                ...(03)

Essay on Intellectual Property                                        ...(87)

Coffee break                                                   ...(90)

Papyrus                                                     ...(114)

Industry News(Domestic and International)                               ...(117)

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

List of Patents issued and Laid-open Publication                           ...(131)

Price list of Domestic Logs and Wood Chips by District                       ...(140)

Wholesale Price list of Papers at Tokyo Trade Center                        ...(141)

Other Monthly Statistics                                           ...(143)

News from the Association                                         ...(145)