{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T15:41:19Z","timestamp":1791906079706,"version":"4.3.4"},"reference-count":46,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2019,12,3]],"date-time":"2019-12-03T00:00:00Z","timestamp":1575331200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100002790","name":"Canadian Network for Research and Innovation in Machining Technology, Natural Sciences and Engineering Research Council of Canada","doi-asserted-by":"publisher","award":["12345"],"award-info":[{"award-number":["12345"]}],"id":[{"id":"10.13039\/501100002790","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemSusChem"],"published-print":{"date-parts":[[2020,1,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Kaolin, a natural and inexpensive clay mineral, is ubiquitous in soil, dirt, and airborne particles. Amongst four commonly available clay minerals, kaolin, as a result of its layered structure, is the most efficient natural gaseous Hg adsorbent to date (Langmuir maximum adsorption capacity <jats:italic>Q<\/jats:italic><jats:sub>m<\/jats:sub>=574.08\u2005\u03bcg\u2009g<jats:sup>\u22121<\/jats:sup> and Freundlich <jats:italic>Q<\/jats:italic><jats:sub>m<\/jats:sub>=756.49\u2005\u03bcg\u2009g<jats:sup>\u22121<\/jats:sup>). The Hg uptake proceeds by homogeneous monolayer and heterogeneous processes. Hg physisorption on kaolin occurs in the dark, yet the adsorption rate is enhanced upon irradiation. The effects of several metal complexes, salts, halides and solvents on the Hg uptake were examined. The addition of CuCl<jats:sub>2<\/jats:sub> particles leads to a significant enhancement of the Hg uptake capacity (&gt;30\u2005times) within second timescales and without irradiation. The physisorption with kaolin is switched to chemisorption upon the addition of CuCl<jats:sub>2<\/jats:sub> to kaolin. This process is entirely reversible upon the addition of Zn\/Sn granules at room temperature without any added energy. However, the investment of a small amount of renewable energy can speed up the process. This technology demonstrates the facile and efficient capture and recycling of elemental Hg<jats:sup>0<\/jats:sup> from air. A wide range of metal particles and diverse physicochemical processes, which include the microphysics of nucleation, are herein examined to explore the potential reaction mechanism by using a suite of complementary analytical techniques. These new mechanistic insights open a new era of energy\u2010neutral environmental remediation based on natural soil\/airborne particles.<\/jats:p>","DOI":"10.1002\/cssc.201902955","type":"journal-article","created":{"date-parts":[[2019,11,12]],"date-time":"2019-11-12T01:35:40Z","timestamp":1573522540000},"page":"165-172","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Natural Kaolin: Sustainable Technology for the Instantaneous and Energy\u2010Neutral Recycling of Anthropogenic Mercury Emissions"],"prefix":"10.1002","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5315-7381","authenticated-orcid":false,"given":"Mainak","family":"Ganguly","sequence":"first","affiliation":[{"name":"Department of Atmospheric and Oceanic Sciences McGill University  Montreal Quebec H3A 0B9 Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuanyuan","family":"Tao","sequence":"additional","affiliation":[{"name":"Department of Chemistry McGill University  Montreal Quebec H3A 0B8 Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bryan","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Chemistry McGill University  Montreal Quebec H3A 0B8 Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Parisa A.","family":"Ariya","sequence":"additional","affiliation":[{"name":"Department of Atmospheric and Oceanic Sciences McGill University  Montreal Quebec H3A 0B9 Canada"},{"name":"Department of Chemistry McGill University  Montreal Quebec H3A 0B8 Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2019,12,3]]},"reference":[{"key":"e_1_2_7_1_1","unstructured":"https:\/\/www.canada.ca\/en\/environment-climate-change\/corporate\/international-affairs\/partnerships-organizations\/mercury-minamata-convention.html accessed on 19thSeptember 2019."},{"key":"e_1_2_7_2_1","unstructured":"https:\/\/www.iisd.org\/library\/us-epa-changing-policy-mercury accessed on 19thSeptember 2019."},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1201\/9781420014044"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.carbon.2006.05.053"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-019-47086-8"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1021\/ac504545w"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1039\/C4DT01158A"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-018-34172-6"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1021\/ie990758v"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1039\/C7RA07401H"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1021\/sc500479b"},{"key":"e_1_2_7_12_1","first-page":"45","volume":"10","author":"Hafshejani M. 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