{"id":"S85049358","label":"Flue gases--Purification","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85049358","normalized_label":"flue gases--purification","broader":[],"aliases":["Purification of flue gases"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85049358","provider":"lcsh","revision":"f9b9a39a01c1d0dc","taxonomy_revision":"f050b5d4780b1289","title":"Flue gases--Purification","url":"/topics/S85049358","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326656400577135104","address_version":"morton4x16-v1","coordinates":[0,20,18176,14336],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}