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Herein, we report a facile method for preparing N-doped nanoporous carbon through direct carbonization of metal\u2013organic frameworks (ZIF-8) to remove harmful formaldehyde. The prepared N-doped nanoporous carbon exhibited uniform morphology and large specific surface area. Moreover, the type of N-functional groups on the N-doped nanoporous carbon had a dominant effect on its HCHO adsorption activity. As a result, HCHO adsorption capacity of the optimized N-doped nanoporous carbon was approximately five times higher than that of the commercially activated carbon. The detailed HCHO adsorption process, including physical adsorption and chemical adsorption, was also confirmed through\n                    <jats:italic>in situ<\/jats:italic>\n                    diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS). In addition, it should be noted that the N-doped nanoporous carbon exhibited high stability for HCHO adsorption, even after six adsorption cycles, indicating its good recyclability for long-term application. This study is expected to pave a way for expanding the environmental applications of the N-doped nanoporous carbon.\n                  <\/jats:p>","DOI":"10.1088\/1361-6528\/aaf75b","type":"journal-article","created":{"date-parts":[[2018,12,10]],"date-time":"2018-12-10T17:16:03Z","timestamp":1544462163000},"page":"105702","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":20,"title":["N-doping nanoporous carbon microspheres derived from MOFs for highly efficient removal of formaldehyde"],"prefix":"10.1088","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7816-4262","authenticated-orcid":false,"given":"Xinyang","family":"Li","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yiqiang","family":"Sun","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tao","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Bai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xianjun","family":"Lyu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4515-6098","authenticated-orcid":false,"given":"Weiping","family":"Cai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1202-4224","authenticated-orcid":false,"given":"Yue","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"266","published-online":{"date-parts":[[2019,1,14]]},"reference":[{"key":"nanoaaf75bbib1","doi-asserted-by":"publisher","first-page":"118","DOI":"10.1016\/j.buildenv.2017.03.004","type":"journal-article","volume":"117","author":"Jiang","year":"2017","journal-title":"Build. 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