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The photocatalytically active microspheres are prepared by wet impregnation of porous silica scaffolds with Trizma\u2010functionalized anatase titania (TiO<jats:sub>2<\/jats:sub>) nanoparticles (NPs). NPs loading of 22 wt% is obtained in the form of a thin and well\u2010attached layer, covering the external surface of the microspheres as well as the internal surface of the pores. The TiO<jats:sub>2<\/jats:sub> loading leads to an increase of the specific surface area by 26%, without impacting the typically interconnected macroporosity (<jats:bold>\u2248<\/jats:bold>60%) of the microspheres, which is essential for an efficient flow of the pollutant solution during the photocatalytic tests. These are carried out in a liquid medium for the decomposition of methyl orange and paracetamol. In addition to photocatalytic activity under continuous flow, the microspheres offer the advantage that they can be easily removed from the reaction medium, which is an appealing aspect for industrial applications. In this work, the typical issues of TiO<jats:sub>2<\/jats:sub> NPs photocatalysts are circumvented, without the need for elaborate chemistries, and for low availability and expensive raw materials.<\/jats:p>","DOI":"10.1002\/gch2.202000116","type":"journal-article","created":{"date-parts":[[2021,1,28]],"date-time":"2021-01-28T07:56:32Z","timestamp":1611820592000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":37,"title":["Porous Silica Microspheres with Immobilized Titania Nanoparticles for In\u2010Flow Solar\u2010Driven Purification of Wastewater"],"prefix":"10.1002","volume":"5","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2947-1186","authenticated-orcid":false,"given":"Ana C.","family":"Marques","sequence":"first","affiliation":[{"name":"CERENA DEQ Instituto Superior T\u00e9cnico Universidade de Lisboa Avenida Rovisco Pais  Lisboa 1049\u2010001 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