🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtРусскийالعربيةفارسی中文EntityQ747996· pop 23· linked from 209 articlesred mudAlso known as red sludgewaste product from the production of aluminaWikidata factsImageLuftaufnahmen Nordseekueste 2012-05-by-RaBoe-478 retusche b.jpgSources (2)wikidata.orgdocs.openalex.orgvia Wikidata · CC0Available in 23 languagesEspañolFrançaisDeutschРусскийPortuguêsItalianoالعربيةAzerbaijaniBahasa IndonesiaCatalanCzechConnectionsaluminium oxideEntityiron oxideEntityCategoriesMetallurgical by-productsMineralsSoil contaminationWasteWater pollution