塑料转型：塑料废弃物管理技术

Technologies for plasticswaste management April 2025 Contents Glossary10 1.Introduction12 1.1.The challenge of plastic waste...........................................................................................................................................................................121.2.Policy context............................................................................................................................................................................................................131.3.Technologies for plastics waste management...........................................................................................................................................141.4.About this report.....................................................................................................................................................................................................15Case study. Smart recognition of recyclables: Integrating AI in circular value chains...............................................................16Case study. Reengineering the DNA of bottles: from PET to PEF, from lab to market...............................................................18 2.Technology trends in plastics waste management20 2.1.General technology trends..................................................................................................................................................................................202.2.Specific technologies.............................................................................................................................................................................................23 3.Origins of innovation 3.1.Regional trends.........................................................................................................................................................................................................273.2.Top applicants...........................................................................................................................................................................................................303.3.Focus on European startups and universities.............................................................................................................................................33Innovation highlight 1. Removing plastics from water..........................................................................................................................37Innovation highlight 2. AI for plastics waste management..................................................................................................................40 Annex44 1Methodology44 1.1.Using patent information....................................................................................................................................................................................441.2.Methodology of this EPO technology insight report...............................................................................................................................441.3.Patent retrieval.........................................................................................................................................................................................................441.4.Data sources and tools used...............................................................................................................................................................................461.5.Notes on the limits of the study.......................................................................................................................................................................46 List of tables and figures TablesTable E. 1:Top 20 applicants in plastic waste recycling technologies (IPFs, 1990-2023)8Table 1:Growth in IPFs in plastics-related waste management solutions and all technologies (annual averagegrowth rates, 1975-2023)21Table 2:Top 5 Technologies in the beginning of each decade (IPFs and cumulative share of IPFs, 1990-2023)23Table 3:Specific technologies (IPFs, 1990-2023)24Table 4:Top countries in plastics waste management technologies (IPFs, inventor countries with a share ofat least 1 percent in the period 1990-2023)28Table 5:Revealed technology advantage (RTA) in plastics waste management, top 5 subfields(IPFs, 1990-2023)29Table 6:Top 20 applicants in plastic waste recovery technologies (IPFs, 1990-2023)31Table 7:Top 20 applicants in plastic waste recycling technologies (IPFs, 1990-2023)32Table 8:Patenting activities of startups and universities by technology fields (European patentapplications, 2010-2023)35 Figures Figure E.1:Normalised trends for IPFs in plastic waste management and for all technology fields (reference: 1990)6Figure E.2:Major world regions as innovation locations in plastics waste management (IPFs, inventor country ofresidence restricted to EP or WO