{"id":"W4404618138","doi":"10.1002/cjce.25531","title":"Plastic recycling: Challenges and opportunities","year":2024,"lang":"en","type":"article","venue":"The Canadian Journal of Chemical Engineering","topic":"Microplastics and Plastic Pollution","field":"Environmental Science","cited_by":67,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia, Okanagan Campus; University of British Columbia","funders":"Natural Sciences and Engineering Research Council of Canada; Mitacs","keywords":"High-density polyethylene; Plastic waste; Low-density polyethylene; Materials science; Context (archaeology); Expanded polystyrene; Polypropylene; Polystyrene; Waste management; Polyethylene; Pyrolysis; Environmental science; Polymer; Composite material; Engineering","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001628758,0.00005683269,0.00006315474,0.00003893661,0.0000271821,0.00003991009,0.00008153736,0.00003181797,0.0001157797],"category_scores_gemma":[0.0001163739,0.00003974347,0.00002131436,0.00002908674,0.00006708876,0.00005424652,0.00001210364,0.0001723243,0.000009451729],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00008281608,"about_ca_system_score_gemma":0.00006367142,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002108938,"about_ca_topic_score_gemma":0.0001825655,"domain_scores_codex":[0.9996316,0.000004700785,0.0001091212,0.00004841564,0.00007563874,0.0001305692],"domain_scores_gemma":[0.9995324,0.0001864425,0.0000167244,0.00003634909,0.000003676478,0.0002244276],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00004899237,0.00002320182,0.0002668979,0.0005278277,0.0003642033,0.002074876,0.01014479,0.08351358,0.5594151,0.07144105,0.01132059,0.2608589],"study_design_scores_gemma":[0.0007153043,0.0002844783,0.004589787,0.002059908,0.0003552506,0.006538569,0.000271283,0.4228399,0.04277261,0.008244595,0.5100952,0.001233043],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.985067,0.00950858,0.001008541,0.002204433,0.0008074568,0.00002892105,0.00000751234,0.00001335592,0.001354208],"genre_scores_gemma":[0.9995915,0.0001497092,0.0001146989,0.00001990286,0.00008988047,2.927721e-7,2.36364e-7,0.000007008884,0.00002678518],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.5166425,"threshold_uncertainty_score":0.1620692,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02541034249537976,"score_gpt":0.183486041713814,"score_spread":0.1580756992184343,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}