From End-Of-Pipe Technology to Clean Technology: Effects of Environmental Regulation on Technological Change in the Chlor-Alkali Industry in Japan and Western Europe
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From End-of-Pipe Technology to Clean Technology: Effects of Environmental Regulation on Technological Change in the Chlor-Alkali Industry in Japan and Western Europe PROEFSCHRIFT ter verkrijging van de graad van doctor aan de Universiteit Maastricht, op gezag van de Rector Magnificus, Prof. dr. A.C. Nieuwenhuijzen Kruseman volgens het besluit van het College van Decanen, in het openbaar te verdedigen op donderdag 8 mei 2003 om 14.00 uur Masaru Yarime Promotor: Prof. Dr. L.K. Mytelka Beoordelingscommissie: Prof. Dr. R. Cowan (voorzitter) Dr. R. Kemp Professor W.E. Steinmueller (SPRU, University of Sussex) The following institution sponsored this PhD thesis research: United Nations University Institute for New Technologies, Maastricht, The Netherlands Acknowledgement Writing this Ph.D. dissertation was a long process, and its completion owes a great deal to many people. I would like to express my gratitude to all the people working at the United Nations University Institute for New Technologies (UNU/INTECH) and Maastricht Economic Research Institute on Innovation and Technology (MERIT) in Maastricht. I’m particularly grateful to Professor Lynn Mytelka, who provided me with valuable guidance and warm encouragement without which I could not have completed this dissertation. I appreciate very much comments and suggestions of Dr. Anthony Bartzokas, which improved this dissertation greatly. I would also like to thank Ms. Corien Gijsbers for her help kindly given to me in various occasions since I first came to Maastricht in 1995. Professor Yasunori Baba of the University of Tokyo introduced me to the economics of technological change when I was a senior student of chemical engineering. I’m grateful to him for having orientated me to this exciting field. In the process of writing this dissertation, different institutions provided me with financial support. I gratefully acknowledge the Graduate Scholarship of Matsuo Foundation, Ph.D. Fellowship of the United Nations University Institute of Advanced Studies (UNU/IAS), and the Huygens Scholarship of the Netherlands Organization for International Cooperation in Higher Education (NUFFIC). Finally, I would like to thank my family for having encouraged and supported me during the long course of my learning in Japan, the United States, and Europe. 3 Table of Contents LIST OF FIGURES .................................................................................................................8 LIST OF TABLES ................................................................................................................. 11 1. INTRODUCTION.......................................................................................................... 17 1.1 PROBLEM AND RESEARCH METHODS ........................................................................ 17 1.2 OUTLINE OF THE THESIS............................................................................................ 23 2. ANALYTICAL FRAMEWORK FOR THE EFFECTS OF ENVIRONMENTAL REGULATION ON TECHNOLOGICAL CHANGE........................................................ 28 2.1 PREVIOUS STUDIES OF THE EFFECTS OF ENVIRONMENTAL REGULATION ON TECHNOLOGICAL CHANGE .................................................................................................... 28 2.1.1 Theoretical Models............................................................................................... 28 2.1.2 Empirical Studies ................................................................................................. 42 2.2 TECHNOLOGIES FOR DEALING WITH EMISSIONS FROM CHEMICAL INDUSTRIES......... 46 2.2.1 End-of-Pipe Technology....................................................................................... 48 2.2.2 Clean Technology................................................................................................. 51 2.3 DIVERGING EFFECTS OF ENVIRONMENTAL REGULATIONS ON TECHNOLOGICAL CHANGE ................................................................................................................................56 2.3.1 Environmental Policy Making under Uncertainty ............................................... 56 2.3.2 Choice between the End-of-Pipe Technology and the Clean Technology ........... 59 2.3.3 Technological Progress through R&D and Learning.......................................... 64 2.4 CONCLUSION ............................................................................................................. 75 APPENDIX.............................................................................................................................. 78 3. TECHNOLOGICAL BACKGROUND OF THE CHLOR-ALKALI INDUSTRY. 81 3.1 PRODUCTION OF CHLOR-ALKALI PRODUCTS............................................................. 81 3.1.1 Chlorine and Caustic Soda .................................................................................. 81 3.1.2 Production............................................................................................................ 85 3.2 THREE DOMINANT TECHNOLOGIES FOR CHLOR-ALKALI PRODUCTION: MERCURY PROCESS, DIAPHRAGM PROCESS, AND ION EXCHANGE MEMBRANE PROCESS ...................... 87 5 3.3 TECHNOLOGICAL CHANGE PRIOR TO THE EFFECTS OF ENVIRONMENTAL REGULATIONS ....................................................................................................................... 91 3.3.1 Development of the Mercury Process .................................................................. 91 3.3.2 Development of the Diaphragm Process.............................................................. 99 3.3.3 Diffusion of the Mercury Process in Western Europe and Japan...................... 106 3.4 CONCLUSION ........................................................................................................... 120 APPENDIX............................................................................................................................ 121 4. ENVIRONMENTAL REGULATION AND TECHNOLOGICAL CHANGE IN THE JAPANESE CHLOR-ALKALI INDUSTRY ........................................................... 123 4.1 REGULATORY DECISION ON THE PHASE OUT OF THE MERCURY PROCESS............... 123 4.2 CONVERSION OF THE MERCURY PROCESS TO THE DIAPHRAGM PROCESS................ 127 4.3 INTERRUPTION OF THE PROCESS CONVERSION SCHEDULE AND EVALUATION OF THE ION EXCHANGE MEMBRANE PROCESS................................................................................. 135 4.4 TECHNOLOGICAL DEVELOPMENT OF THE ION EXCHANGE MEMBRANE PROCESS .... 138 4.4.1 Characteristics of the Ion Exchange Membrane Process.................................. 138 4.4.2 Patents on Technologies for Chlor-Alkali Production....................................... 145 4.4.3 Technological Developments of the Ion Exchange Membrane Process by Innovative Companies in Japan..................................................................................... 151 4.5 MODIFICATION OF REGULATORY SCHEDULE AND ADOPTION OF THE ION EXCHANGE MEMBRANE PROCESS .......................................................................................................... 184 4.6 COSTLY TRANSITION FROM THE MERCURY PROCESS TO THE DIAPHRAGM PROCESS AND THEN TO THE ION EXCHANGE MEMBRANE PROCESS.................................................... 189 4.7 CONCLUSION ........................................................................................................... 194 APPENDIX............................................................................................................................ 197 5. ENVIRONMENTAL REGULATION AND TECHNOLOGICAL CHANGE IN THE WESTERN EUROPEAN CHLOR-ALKALI INDUSTRY .................................... 215 5.1 IMPOSITION OF EMISSION STANDARDS ON MERCURY ............................................. 215 5.1.1 Paris Commission .............................................................................................. 215 5.1.2 European Community......................................................................................... 225 5.2 REDUCTION OF MERCURY EMISSIONS WITH END-OF-PIPE TECHNOLOGIES ............. 233 5.2.1 Patents on Chlor-Alkali Production Technologies ............................................ 233 6 5.2.2 Development of End-of-Pipe Technologies for the Reduction of Mercury Emissions........................................................................................................................ 240 5.2.3 Continued Use of the Mercury Process with End-of-Pipe Technologies........... 250 5.3 DELAYED DEVELOPMENT OF TECHNOLOGIES FOR THE ION EXCHANGE MEMBRANE PROCESS.............................................................................................................................. 253 5.4 SLOW DIFFUSION OF THE ION EXCHANGE MEMBRANE PROCESS............................. 269 5.4.1 Availability of Information on the Ion Exchange Membrane Process............... 269 5.4.2 Profitability of the Adoption of the Ion Exchange Membrane Process ............. 272 5.4.3 Long Lifetime of Chlor-Alkali Plants Based on the Mercury Process............... 281 5.5 CONCLUSION ........................................................................................................... 289 APPENDIX............................................................................................................................ 294 6. SUMMARY AND CONCLUSION............................................................................. 319 APPENDIX. EFFECTS OF ENVIRONMENTAL REGULATION ON TECHNOLOGICAL CHANGE OF THE CHEMICAL PROCESSES FOR CHLOR-