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Rapid Catalytic Water Disinfection from Earth Abundant Ca 2 Fe 2 O 5 Brownmillerite
Water disinfection is a crucial challenge for humanity. Approaches that are effective, cheap, environmentally friendly, and do not promote gene exchange between bacteria are urgently required. Strongly oxidizing radicals are highly promising to achieve this as they lead to bacterial activation at hi...
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Published in: | Advanced sustainable systems (Online) 2021-12, Vol.5 (12) |
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container_issue | 12 |
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container_title | Advanced sustainable systems (Online) |
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creator | Vanags, Mārtiņš Mežule, Linda Spule, Arnita Kostjukovs, Juris Šmits, Krišjānis Tamm, Aile Juhna, Talis Vihodceva, Svetlana Käämbre, Tanel Baumane, Larisa Začs, Dzintars Vasiliev, Grigory Turks, Maris Mierina, Inese Sherrell, Peter C. Šutka, Andris |
description | Water disinfection is a crucial challenge for humanity. Approaches that are effective, cheap, environmentally friendly, and do not promote gene exchange between bacteria are urgently required. Strongly oxidizing radicals are highly promising to achieve this as they lead to bacterial activation at high efficiencies. However, sources to consistently generate these radicals are limited to high energy UV/H
2
O
2
treatments requiring a large energy input. Here the use of abundant, cheap, brownmillerite (Ca
2
Fe
2
O
5
) is demonstrated as an efficient radical generation material under dark conditions, showing a seven order of magnitude decrease in bacterial concentration over 10 min. This decrease is attributed to the release of interlayer Ca
2+
from the layered structure of Ca
2
Fe
2
O
5
and hydroxyl radical generation. The efficacy of Ca
2
Fe
2
O
5
is demonstrated by disinfecting turbid sewage sludge. The identification of this cheap, abundant, and nontoxic antibacterial material will provide an opportunity for broad scale clean water generation globally, and address the United Nations’ Sustainable Development Goal of clean water and sanitation. |
doi_str_mv | 10.1002/adsu.202100130 |
format | article |
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2
O
2
treatments requiring a large energy input. Here the use of abundant, cheap, brownmillerite (Ca
2
Fe
2
O
5
) is demonstrated as an efficient radical generation material under dark conditions, showing a seven order of magnitude decrease in bacterial concentration over 10 min. This decrease is attributed to the release of interlayer Ca
2+
from the layered structure of Ca
2
Fe
2
O
5
and hydroxyl radical generation. The efficacy of Ca
2
Fe
2
O
5
is demonstrated by disinfecting turbid sewage sludge. The identification of this cheap, abundant, and nontoxic antibacterial material will provide an opportunity for broad scale clean water generation globally, and address the United Nations’ Sustainable Development Goal of clean water and sanitation.</description><identifier>ISSN: 2366-7486</identifier><identifier>EISSN: 2366-7486</identifier><identifier>DOI: 10.1002/adsu.202100130</identifier><language>eng</language><ispartof>Advanced sustainable systems (Online), 2021-12, Vol.5 (12)</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c840-3f49c1f97a7f5ad51e6783c0bb4eb5d7ac5853967455f936d1303d76f77732f63</citedby><cites>FETCH-LOGICAL-c840-3f49c1f97a7f5ad51e6783c0bb4eb5d7ac5853967455f936d1303d76f77732f63</cites><orcidid>0000-0002-4717-7474 ; 0000-0003-1453-4663 ; 0000-0001-5985-704X ; 0000-0002-0547-0824 ; 0000-0003-4644-6238 ; 0000-0001-5227-0369 ; 0000-0002-2608-536X ; 0000-0001-5573-9396 ; 0000-0002-5739-0164</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27907,27908</link.rule.ids></links><search><creatorcontrib>Vanags, Mārtiņš</creatorcontrib><creatorcontrib>Mežule, Linda</creatorcontrib><creatorcontrib>Spule, Arnita</creatorcontrib><creatorcontrib>Kostjukovs, Juris</creatorcontrib><creatorcontrib>Šmits, Krišjānis</creatorcontrib><creatorcontrib>Tamm, Aile</creatorcontrib><creatorcontrib>Juhna, Talis</creatorcontrib><creatorcontrib>Vihodceva, Svetlana</creatorcontrib><creatorcontrib>Käämbre, Tanel</creatorcontrib><creatorcontrib>Baumane, Larisa</creatorcontrib><creatorcontrib>Začs, Dzintars</creatorcontrib><creatorcontrib>Vasiliev, Grigory</creatorcontrib><creatorcontrib>Turks, Maris</creatorcontrib><creatorcontrib>Mierina, Inese</creatorcontrib><creatorcontrib>Sherrell, Peter C.</creatorcontrib><creatorcontrib>Šutka, Andris</creatorcontrib><title>Rapid Catalytic Water Disinfection from Earth Abundant Ca 2 Fe 2 O 5 Brownmillerite</title><title>Advanced sustainable systems (Online)</title><description>Water disinfection is a crucial challenge for humanity. Approaches that are effective, cheap, environmentally friendly, and do not promote gene exchange between bacteria are urgently required. Strongly oxidizing radicals are highly promising to achieve this as they lead to bacterial activation at high efficiencies. However, sources to consistently generate these radicals are limited to high energy UV/H
2
O
2
treatments requiring a large energy input. Here the use of abundant, cheap, brownmillerite (Ca
2
Fe
2
O
5
) is demonstrated as an efficient radical generation material under dark conditions, showing a seven order of magnitude decrease in bacterial concentration over 10 min. This decrease is attributed to the release of interlayer Ca
2+
from the layered structure of Ca
2
Fe
2
O
5
and hydroxyl radical generation. The efficacy of Ca
2
Fe
2
O
5
is demonstrated by disinfecting turbid sewage sludge. The identification of this cheap, abundant, and nontoxic antibacterial material will provide an opportunity for broad scale clean water generation globally, and address the United Nations’ Sustainable Development Goal of clean water and sanitation.</description><issn>2366-7486</issn><issn>2366-7486</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNpNkMtKAzEUhoMoWGq3rvMCM55JJsnMstbWCoWCFlwOZ3LByFxKkiJ9e6co4ua_LP4D5yPkvoC8AGAPaOIpZ8CmUnC4IjPGpcxUWcnrf_mWLGL8BADOGIDgM_L2ikdv6AoTdufkNX3HZAN98tEPzurkx4G6MPZ0jSF90GV7GgwOaRpQRjd2kj0V9DGMX0Pvu84Gn-wduXHYRbv49Tk5bNaH1Tbb7Z9fVstdpqsSMu7KWheuVqicQCMKK1XFNbRtaVthFGpRCV5LVQrhai7N9Bc3SjqlFGdO8jnJf87qMMYYrGuOwfcYzk0BzQVKc4HS_EHh32FiUzA</recordid><startdate>202112</startdate><enddate>202112</enddate><creator>Vanags, Mārtiņš</creator><creator>Mežule, Linda</creator><creator>Spule, Arnita</creator><creator>Kostjukovs, Juris</creator><creator>Šmits, Krišjānis</creator><creator>Tamm, Aile</creator><creator>Juhna, Talis</creator><creator>Vihodceva, Svetlana</creator><creator>Käämbre, Tanel</creator><creator>Baumane, Larisa</creator><creator>Začs, Dzintars</creator><creator>Vasiliev, Grigory</creator><creator>Turks, Maris</creator><creator>Mierina, Inese</creator><creator>Sherrell, Peter C.</creator><creator>Šutka, Andris</creator><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-4717-7474</orcidid><orcidid>https://orcid.org/0000-0003-1453-4663</orcidid><orcidid>https://orcid.org/0000-0001-5985-704X</orcidid><orcidid>https://orcid.org/0000-0002-0547-0824</orcidid><orcidid>https://orcid.org/0000-0003-4644-6238</orcidid><orcidid>https://orcid.org/0000-0001-5227-0369</orcidid><orcidid>https://orcid.org/0000-0002-2608-536X</orcidid><orcidid>https://orcid.org/0000-0001-5573-9396</orcidid><orcidid>https://orcid.org/0000-0002-5739-0164</orcidid></search><sort><creationdate>202112</creationdate><title>Rapid Catalytic Water Disinfection from Earth Abundant Ca 2 Fe 2 O 5 Brownmillerite</title><author>Vanags, Mārtiņš ; Mežule, Linda ; Spule, Arnita ; Kostjukovs, Juris ; Šmits, Krišjānis ; Tamm, Aile ; Juhna, Talis ; Vihodceva, Svetlana ; Käämbre, Tanel ; Baumane, Larisa ; Začs, Dzintars ; Vasiliev, Grigory ; Turks, Maris ; Mierina, Inese ; Sherrell, Peter C. ; Šutka, Andris</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c840-3f49c1f97a7f5ad51e6783c0bb4eb5d7ac5853967455f936d1303d76f77732f63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Vanags, Mārtiņš</creatorcontrib><creatorcontrib>Mežule, Linda</creatorcontrib><creatorcontrib>Spule, Arnita</creatorcontrib><creatorcontrib>Kostjukovs, Juris</creatorcontrib><creatorcontrib>Šmits, Krišjānis</creatorcontrib><creatorcontrib>Tamm, Aile</creatorcontrib><creatorcontrib>Juhna, Talis</creatorcontrib><creatorcontrib>Vihodceva, Svetlana</creatorcontrib><creatorcontrib>Käämbre, Tanel</creatorcontrib><creatorcontrib>Baumane, Larisa</creatorcontrib><creatorcontrib>Začs, Dzintars</creatorcontrib><creatorcontrib>Vasiliev, Grigory</creatorcontrib><creatorcontrib>Turks, Maris</creatorcontrib><creatorcontrib>Mierina, Inese</creatorcontrib><creatorcontrib>Sherrell, Peter C.</creatorcontrib><creatorcontrib>Šutka, Andris</creatorcontrib><collection>CrossRef</collection><jtitle>Advanced sustainable systems (Online)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Vanags, Mārtiņš</au><au>Mežule, Linda</au><au>Spule, Arnita</au><au>Kostjukovs, Juris</au><au>Šmits, Krišjānis</au><au>Tamm, Aile</au><au>Juhna, Talis</au><au>Vihodceva, Svetlana</au><au>Käämbre, Tanel</au><au>Baumane, Larisa</au><au>Začs, Dzintars</au><au>Vasiliev, Grigory</au><au>Turks, Maris</au><au>Mierina, Inese</au><au>Sherrell, Peter C.</au><au>Šutka, Andris</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Rapid Catalytic Water Disinfection from Earth Abundant Ca 2 Fe 2 O 5 Brownmillerite</atitle><jtitle>Advanced sustainable systems (Online)</jtitle><date>2021-12</date><risdate>2021</risdate><volume>5</volume><issue>12</issue><issn>2366-7486</issn><eissn>2366-7486</eissn><abstract>Water disinfection is a crucial challenge for humanity. Approaches that are effective, cheap, environmentally friendly, and do not promote gene exchange between bacteria are urgently required. Strongly oxidizing radicals are highly promising to achieve this as they lead to bacterial activation at high efficiencies. However, sources to consistently generate these radicals are limited to high energy UV/H
2
O
2
treatments requiring a large energy input. Here the use of abundant, cheap, brownmillerite (Ca
2
Fe
2
O
5
) is demonstrated as an efficient radical generation material under dark conditions, showing a seven order of magnitude decrease in bacterial concentration over 10 min. This decrease is attributed to the release of interlayer Ca
2+
from the layered structure of Ca
2
Fe
2
O
5
and hydroxyl radical generation. The efficacy of Ca
2
Fe
2
O
5
is demonstrated by disinfecting turbid sewage sludge. The identification of this cheap, abundant, and nontoxic antibacterial material will provide an opportunity for broad scale clean water generation globally, and address the United Nations’ Sustainable Development Goal of clean water and sanitation.</abstract><doi>10.1002/adsu.202100130</doi><orcidid>https://orcid.org/0000-0002-4717-7474</orcidid><orcidid>https://orcid.org/0000-0003-1453-4663</orcidid><orcidid>https://orcid.org/0000-0001-5985-704X</orcidid><orcidid>https://orcid.org/0000-0002-0547-0824</orcidid><orcidid>https://orcid.org/0000-0003-4644-6238</orcidid><orcidid>https://orcid.org/0000-0001-5227-0369</orcidid><orcidid>https://orcid.org/0000-0002-2608-536X</orcidid><orcidid>https://orcid.org/0000-0001-5573-9396</orcidid><orcidid>https://orcid.org/0000-0002-5739-0164</orcidid></addata></record> |
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source | Wiley |
title | Rapid Catalytic Water Disinfection from Earth Abundant Ca 2 Fe 2 O 5 Brownmillerite |
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