{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,10]],"date-time":"2025-12-10T12:19:48Z","timestamp":1765369188161,"version":"build-2065373602"},"reference-count":45,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2017,4,24]],"date-time":"2017-04-24T00:00:00Z","timestamp":1492992000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"State Research Program ResProd"}],"content-domain":{"domain":["scijournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Chemical Tech &amp; Biotech"],"published-print":{"date-parts":[[2017,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>BACKGROUND<\/jats:title><jats:p>Arsenic in drinking water poses serious potential health risks in more than 30 countries with total affected population of around 100 million people. The present study is devoted to the development of innovative sorbents based on zeolite materials for As(V) sorption by modifying raw materials with iron oxyhydroxide and manganese oxychloride. Natural clinoptilolite and synthetic zeolite A were modified in order to obtain improved sorption of As(V). Sorption properties of newly developed sorbents were studied. Zeolites containing natural clinoptilolite are chosen due to relatively low cost and their broad use in industrial production as well as characteristic large surface area.<\/jats:p><\/jats:sec><jats:sec><jats:title>RESULTS<\/jats:title><jats:p>Results obtained indicate that modification of zeolites with <jats:styled-content style=\"fixed-case\">FeOOH<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">Mn<jats:sub>8<\/jats:sub>O<jats:sub>10<\/jats:sub>Cl<jats:sub>3<\/jats:sub><\/jats:styled-content> significantly improves the As(V) sorption capacity of newly developed materials. As(V) sorption on <jats:styled-content style=\"fixed-case\">FeOOH<\/jats:styled-content>\u2010modified aluminosilicates follows the Langmuir model, while on unmodified aluminosilicates it is described by the Freundlich model. As(V) sorption kinetics on both modified and unmodified materials most precisely can be described by Lagergren's pseudo\u2010second\u2010order kinetic model. Elevated As(V) concentration on the surface of <jats:styled-content style=\"fixed-case\">Mn<jats:sub>8<\/jats:sub>O<jats:sub>10<\/jats:sub>Cl<jats:sub>3<\/jats:sub><\/jats:styled-content> crystals and amorphous <jats:styled-content style=\"fixed-case\">FeOOH<\/jats:styled-content> indicates these compounds as responsible for sorption increase.<\/jats:p><\/jats:sec><jats:sec><jats:title>CONCLUSION<\/jats:title><jats:p>Developed sorbents show improved performance in comparison with their unmodified counterparts, with a dramatic increase in As(V) sorption capacity up to 99.3 times in the case of <jats:styled-content style=\"fixed-case\">FeOOH<\/jats:styled-content>\u2010modified calcium zeolite A. These materials have great potential for As(V) removal in aqueous medium. \u00a9 2017 Society of Chemical Industry<\/jats:p><\/jats:sec>","DOI":"10.1002\/jctb.5283","type":"journal-article","created":{"date-parts":[[2017,3,16]],"date-time":"2017-03-16T01:16:48Z","timestamp":1489627008000},"page":"1948-1960","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":28,"title":["<scp>FeOOH<\/scp> and <scp>Mn<sub>8<\/sub>O<sub>10<\/sub>Cl<sub>3<\/sub><\/scp> modified zeolites for As(V) removal in aqueous medium"],"prefix":"10.1002","volume":"92","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2380-4450","authenticated-orcid":false,"given":"Andrejs","family":"Krauklis","sequence":"first","affiliation":[{"name":"Department of Environmental Science University of Latvia  Riga Latvia"},{"name":"Institute of General Chemical Engineering Riga Technical University  Riga Latvia"},{"name":"Department of Engineering Design and Materials Norwegian University of Science and Technology  Trondheim Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruta","family":"Ozola","sequence":"additional","affiliation":[{"name":"Department of Environmental Science University of Latvia  Riga Latvia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Juris","family":"Burlakovs","sequence":"additional","affiliation":[{"name":"Department of Environmental Science University of Latvia  Riga Latvia"},{"name":"Department of Biology and Environmental Science Linnaeus University  Kalmar Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kristine","family":"Rugele","sequence":"additional","affiliation":[{"name":"Institute of General Chemical Engineering Riga Technical University  Riga Latvia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kirill","family":"Kirillov","sequence":"additional","affiliation":[{"name":"Department of Environmental Science University of Latvia  Riga Latvia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anna","family":"Trubaca\u2010Boginska","sequence":"additional","affiliation":[{"name":"Department of Chemistry University of Latvia  Riga Latvia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kristaps","family":"Rubenis","sequence":"additional","affiliation":[{"name":"Institute of General Chemical Engineering Riga Technical University  Riga Latvia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Valentina","family":"Stepanova","sequence":"additional","affiliation":[{"name":"Institute of General Chemical Engineering Riga Technical University  Riga Latvia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maris","family":"Klavins","sequence":"additional","affiliation":[{"name":"Department of Environmental Science University of Latvia  Riga Latvia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2017,4,24]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jconhyd.2008.04.002"},{"key":"e_1_2_6_3_1","unstructured":"KemperKandMinnatullahK The World Bank and the Water and Sanitation Programs of South and East Asia Technical Report No. 31303 (2005)."},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jiec.2014.10.013"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.aca.2014.04.029"},{"key":"e_1_2_6_6_1","unstructured":"World Health Organization. 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