Efficient adsorption of short-chain perfluoroalkyl substances by pristine and Fe/Cu-loaded reed straw biochars
As the substitutes of legacy long-chain per-/polyfluoroalkyl substances (PFASs), short-chain PFASs have been widely detected in the environment. Compared to long-chain PFASs, short-chain PFASs have smaller molecules and are more hydrophilic. Therefore, they are more likely to experience long-distanc...
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| Veröffentlicht in: | The Science of the total environment 2024-10, Vol.946, p.174223, Article 174223 |
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| creator | Liu, Na Li, Yinhui Zhang, Minggu Che, Naiju Song, Xianliang Liu, Yanli Li, Chengliang |
| description | As the substitutes of legacy long-chain per-/polyfluoroalkyl substances (PFASs), short-chain PFASs have been widely detected in the environment. Compared to long-chain PFASs, short-chain PFASs have smaller molecules and are more hydrophilic. Therefore, they are more likely to experience long-distance transport and pose lasting environmental impacts. In this study, Fe-doped (R-Fe) and Cu-doped biochars (R-Cu) were prepared using reed straw biochar (R). The results showed that the PFBA and PFPeA sorption capacities of R-Fe were 25.81 and 43.59 mg g−1, 1.65 and 1.55 times higher than those of R, respectively. The PFBA and PFPeA sorption capacities of R-Cu were 19.34 and 33.69 mg g−1, 1.24 and 1.20 times higher than those of R, respectively. In addition, R, R-Fe, and R-Cu exhibited higher PFBA and PFPeA sorption capacities than the biochars previously reported. The excellent PFAS sorption performances of the biochars were attributed to the highly porous structure of R, which provided rich adsorption sites. Ion-pair sorption, pore filling, electrostatic interaction between the Fe/Cu and cationic groups on biochar and the anionic groups of PFASs, and hydrophobic interaction between the hydrophobic surface of biochar and the fluorinated tails of PFASs were the underlying sorption mechanisms. The biochars presented high removal rates (>86 %) of multiple PFASs (∑PFAS: 350 μg L−1) from synthetic wastewaters, including legacy and emerging PFASs of different chain lengths and with different functional groups. The biochars reported in this study are promising candidate adsorbents for treating waters contaminated with short-chain PFASs.
[Display omitted]
•R-Fe/R-Cu presented high adsorption capacity of short-chain PFAS than R.•The effects of environmental factors on short-chain PFAS removal were investigated.•Adsorption mechanism of different biochars for short-chain PFASs were proposed in detail.•R-Fe/R-Cu showed high multi-PFAS removal efficiencies in different water matrices. |
| doi_str_mv | 10.1016/j.scitotenv.2024.174223 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_3072292253</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><els_id>S0048969724043717</els_id><sourcerecordid>3072292253</sourcerecordid><originalsourceid>FETCH-LOGICAL-c280t-383b786af465035e59cec9546c82e0e0d44f96d5814ea4cd0b9b8e49954063d03</originalsourceid><addsrcrecordid>eNqFkU1vGyEQhlHVqnGT_IWUYy_r8LUsHCMraStFyiU9IxZmFZw1uMCm8r8PltNcMwfm8sw7Yh6EvlOypoTK6-26uFBThfiyZoSJNR0EY_wTWlE16I4SJj-jFSFCdVrq4Qx9K2VLWg2KfkVnXGk6KM1XKN5OU3ABYsXWl5T3NaSI04TLU8q1c082RLyHPM1LysnOz4cZl2Us1UYHBY8HvM-h1BAB2-jxHVxvlm5O1oPHGdpTarb_8BhSi8rlAn2Z7Fzg8q2foz93t4-bX939w8_fm5v7zjFFascVHwcl7SRkT3gPvXbgdC-kUwwIEC_EpKXvFRVghfNk1KMCoRtCJPeEn6Mfp9x9Tn8XKNXsQnEwzzZCWorhtOdSUSroxygZGNOM9byhwwl1OZWSYTLt8zubD4YSc_Ritubdizl6MScvbfLqbcky7sC_z_0X0YCbEwDtKi8B8jEI2o19yOCq8Sl8uOQVnEqkDw</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>3072292253</pqid></control><display><type>article</type><title>Efficient adsorption of short-chain perfluoroalkyl substances by pristine and Fe/Cu-loaded reed straw biochars</title><source>Elsevier ScienceDirect Journals</source><creator>Liu, Na ; Li, Yinhui ; Zhang, Minggu ; Che, Naiju ; Song, Xianliang ; Liu, Yanli ; Li, Chengliang</creator><creatorcontrib>Liu, Na ; Li, Yinhui ; Zhang, Minggu ; Che, Naiju ; Song, Xianliang ; Liu, Yanli ; Li, Chengliang</creatorcontrib><description>As the substitutes of legacy long-chain per-/polyfluoroalkyl substances (PFASs), short-chain PFASs have been widely detected in the environment. Compared to long-chain PFASs, short-chain PFASs have smaller molecules and are more hydrophilic. Therefore, they are more likely to experience long-distance transport and pose lasting environmental impacts. In this study, Fe-doped (R-Fe) and Cu-doped biochars (R-Cu) were prepared using reed straw biochar (R). The results showed that the PFBA and PFPeA sorption capacities of R-Fe were 25.81 and 43.59 mg g−1, 1.65 and 1.55 times higher than those of R, respectively. The PFBA and PFPeA sorption capacities of R-Cu were 19.34 and 33.69 mg g−1, 1.24 and 1.20 times higher than those of R, respectively. In addition, R, R-Fe, and R-Cu exhibited higher PFBA and PFPeA sorption capacities than the biochars previously reported. The excellent PFAS sorption performances of the biochars were attributed to the highly porous structure of R, which provided rich adsorption sites. Ion-pair sorption, pore filling, electrostatic interaction between the Fe/Cu and cationic groups on biochar and the anionic groups of PFASs, and hydrophobic interaction between the hydrophobic surface of biochar and the fluorinated tails of PFASs were the underlying sorption mechanisms. The biochars presented high removal rates (>86 %) of multiple PFASs (∑PFAS: 350 μg L−1) from synthetic wastewaters, including legacy and emerging PFASs of different chain lengths and with different functional groups. The biochars reported in this study are promising candidate adsorbents for treating waters contaminated with short-chain PFASs.
[Display omitted]
•R-Fe/R-Cu presented high adsorption capacity of short-chain PFAS than R.•The effects of environmental factors on short-chain PFAS removal were investigated.•Adsorption mechanism of different biochars for short-chain PFASs were proposed in detail.•R-Fe/R-Cu showed high multi-PFAS removal efficiencies in different water matrices.</description><identifier>ISSN: 0048-9697</identifier><identifier>ISSN: 1879-1026</identifier><identifier>EISSN: 1879-1026</identifier><identifier>DOI: 10.1016/j.scitotenv.2024.174223</identifier><identifier>PMID: 38917893</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>adsorbents ; Adsorption ; Biochar ; electrostatic interactions ; environment ; hydrophilicity ; hydrophobic bonding ; hydrophobicity ; Mechanisms ; Perfluorobutyric acid (PFBA) ; perfluorocarbons ; Perfluoropentanoic acid (PFPeA) ; straw ; wastewater</subject><ispartof>The Science of the total environment, 2024-10, Vol.946, p.174223, Article 174223</ispartof><rights>2024 Elsevier B.V.</rights><rights>Copyright © 2024 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c280t-383b786af465035e59cec9546c82e0e0d44f96d5814ea4cd0b9b8e49954063d03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0048969724043717$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/38917893$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Liu, Na</creatorcontrib><creatorcontrib>Li, Yinhui</creatorcontrib><creatorcontrib>Zhang, Minggu</creatorcontrib><creatorcontrib>Che, Naiju</creatorcontrib><creatorcontrib>Song, Xianliang</creatorcontrib><creatorcontrib>Liu, Yanli</creatorcontrib><creatorcontrib>Li, Chengliang</creatorcontrib><title>Efficient adsorption of short-chain perfluoroalkyl substances by pristine and Fe/Cu-loaded reed straw biochars</title><title>The Science of the total environment</title><addtitle>Sci Total Environ</addtitle><description>As the substitutes of legacy long-chain per-/polyfluoroalkyl substances (PFASs), short-chain PFASs have been widely detected in the environment. Compared to long-chain PFASs, short-chain PFASs have smaller molecules and are more hydrophilic. Therefore, they are more likely to experience long-distance transport and pose lasting environmental impacts. In this study, Fe-doped (R-Fe) and Cu-doped biochars (R-Cu) were prepared using reed straw biochar (R). The results showed that the PFBA and PFPeA sorption capacities of R-Fe were 25.81 and 43.59 mg g−1, 1.65 and 1.55 times higher than those of R, respectively. The PFBA and PFPeA sorption capacities of R-Cu were 19.34 and 33.69 mg g−1, 1.24 and 1.20 times higher than those of R, respectively. In addition, R, R-Fe, and R-Cu exhibited higher PFBA and PFPeA sorption capacities than the biochars previously reported. The excellent PFAS sorption performances of the biochars were attributed to the highly porous structure of R, which provided rich adsorption sites. Ion-pair sorption, pore filling, electrostatic interaction between the Fe/Cu and cationic groups on biochar and the anionic groups of PFASs, and hydrophobic interaction between the hydrophobic surface of biochar and the fluorinated tails of PFASs were the underlying sorption mechanisms. The biochars presented high removal rates (>86 %) of multiple PFASs (∑PFAS: 350 μg L−1) from synthetic wastewaters, including legacy and emerging PFASs of different chain lengths and with different functional groups. The biochars reported in this study are promising candidate adsorbents for treating waters contaminated with short-chain PFASs.
[Display omitted]
•R-Fe/R-Cu presented high adsorption capacity of short-chain PFAS than R.•The effects of environmental factors on short-chain PFAS removal were investigated.•Adsorption mechanism of different biochars for short-chain PFASs were proposed in detail.•R-Fe/R-Cu showed high multi-PFAS removal efficiencies in different water matrices.</description><subject>adsorbents</subject><subject>Adsorption</subject><subject>Biochar</subject><subject>electrostatic interactions</subject><subject>environment</subject><subject>hydrophilicity</subject><subject>hydrophobic bonding</subject><subject>hydrophobicity</subject><subject>Mechanisms</subject><subject>Perfluorobutyric acid (PFBA)</subject><subject>perfluorocarbons</subject><subject>Perfluoropentanoic acid (PFPeA)</subject><subject>straw</subject><subject>wastewater</subject><issn>0048-9697</issn><issn>1879-1026</issn><issn>1879-1026</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNqFkU1vGyEQhlHVqnGT_IWUYy_r8LUsHCMraStFyiU9IxZmFZw1uMCm8r8PltNcMwfm8sw7Yh6EvlOypoTK6-26uFBThfiyZoSJNR0EY_wTWlE16I4SJj-jFSFCdVrq4Qx9K2VLWg2KfkVnXGk6KM1XKN5OU3ABYsXWl5T3NaSI04TLU8q1c082RLyHPM1LysnOz4cZl2Us1UYHBY8HvM-h1BAB2-jxHVxvlm5O1oPHGdpTarb_8BhSi8rlAn2Z7Fzg8q2foz93t4-bX939w8_fm5v7zjFFascVHwcl7SRkT3gPvXbgdC-kUwwIEC_EpKXvFRVghfNk1KMCoRtCJPeEn6Mfp9x9Tn8XKNXsQnEwzzZCWorhtOdSUSroxygZGNOM9byhwwl1OZWSYTLt8zubD4YSc_Ritubdizl6MScvbfLqbcky7sC_z_0X0YCbEwDtKi8B8jEI2o19yOCq8Sl8uOQVnEqkDw</recordid><startdate>20241010</startdate><enddate>20241010</enddate><creator>Liu, Na</creator><creator>Li, Yinhui</creator><creator>Zhang, Minggu</creator><creator>Che, Naiju</creator><creator>Song, Xianliang</creator><creator>Liu, Yanli</creator><creator>Li, Chengliang</creator><general>Elsevier B.V</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7S9</scope><scope>L.6</scope></search><sort><creationdate>20241010</creationdate><title>Efficient adsorption of short-chain perfluoroalkyl substances by pristine and Fe/Cu-loaded reed straw biochars</title><author>Liu, Na ; Li, Yinhui ; Zhang, Minggu ; Che, Naiju ; Song, Xianliang ; Liu, Yanli ; Li, Chengliang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c280t-383b786af465035e59cec9546c82e0e0d44f96d5814ea4cd0b9b8e49954063d03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>adsorbents</topic><topic>Adsorption</topic><topic>Biochar</topic><topic>electrostatic interactions</topic><topic>environment</topic><topic>hydrophilicity</topic><topic>hydrophobic bonding</topic><topic>hydrophobicity</topic><topic>Mechanisms</topic><topic>Perfluorobutyric acid (PFBA)</topic><topic>perfluorocarbons</topic><topic>Perfluoropentanoic acid (PFPeA)</topic><topic>straw</topic><topic>wastewater</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Na</creatorcontrib><creatorcontrib>Li, Yinhui</creatorcontrib><creatorcontrib>Zhang, Minggu</creatorcontrib><creatorcontrib>Che, Naiju</creatorcontrib><creatorcontrib>Song, Xianliang</creatorcontrib><creatorcontrib>Liu, Yanli</creatorcontrib><creatorcontrib>Li, Chengliang</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>The Science of the total environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Na</au><au>Li, Yinhui</au><au>Zhang, Minggu</au><au>Che, Naiju</au><au>Song, Xianliang</au><au>Liu, Yanli</au><au>Li, Chengliang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Efficient adsorption of short-chain perfluoroalkyl substances by pristine and Fe/Cu-loaded reed straw biochars</atitle><jtitle>The Science of the total environment</jtitle><addtitle>Sci Total Environ</addtitle><date>2024-10-10</date><risdate>2024</risdate><volume>946</volume><spage>174223</spage><pages>174223-</pages><artnum>174223</artnum><issn>0048-9697</issn><issn>1879-1026</issn><eissn>1879-1026</eissn><abstract>As the substitutes of legacy long-chain per-/polyfluoroalkyl substances (PFASs), short-chain PFASs have been widely detected in the environment. Compared to long-chain PFASs, short-chain PFASs have smaller molecules and are more hydrophilic. Therefore, they are more likely to experience long-distance transport and pose lasting environmental impacts. In this study, Fe-doped (R-Fe) and Cu-doped biochars (R-Cu) were prepared using reed straw biochar (R). The results showed that the PFBA and PFPeA sorption capacities of R-Fe were 25.81 and 43.59 mg g−1, 1.65 and 1.55 times higher than those of R, respectively. The PFBA and PFPeA sorption capacities of R-Cu were 19.34 and 33.69 mg g−1, 1.24 and 1.20 times higher than those of R, respectively. In addition, R, R-Fe, and R-Cu exhibited higher PFBA and PFPeA sorption capacities than the biochars previously reported. The excellent PFAS sorption performances of the biochars were attributed to the highly porous structure of R, which provided rich adsorption sites. Ion-pair sorption, pore filling, electrostatic interaction between the Fe/Cu and cationic groups on biochar and the anionic groups of PFASs, and hydrophobic interaction between the hydrophobic surface of biochar and the fluorinated tails of PFASs were the underlying sorption mechanisms. The biochars presented high removal rates (>86 %) of multiple PFASs (∑PFAS: 350 μg L−1) from synthetic wastewaters, including legacy and emerging PFASs of different chain lengths and with different functional groups. The biochars reported in this study are promising candidate adsorbents for treating waters contaminated with short-chain PFASs.
[Display omitted]
•R-Fe/R-Cu presented high adsorption capacity of short-chain PFAS than R.•The effects of environmental factors on short-chain PFAS removal were investigated.•Adsorption mechanism of different biochars for short-chain PFASs were proposed in detail.•R-Fe/R-Cu showed high multi-PFAS removal efficiencies in different water matrices.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>38917893</pmid><doi>10.1016/j.scitotenv.2024.174223</doi></addata></record> |
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| subjects | adsorbents Adsorption Biochar electrostatic interactions environment hydrophilicity hydrophobic bonding hydrophobicity Mechanisms Perfluorobutyric acid (PFBA) perfluorocarbons Perfluoropentanoic acid (PFPeA) straw wastewater |
| title | Efficient adsorption of short-chain perfluoroalkyl substances by pristine and Fe/Cu-loaded reed straw biochars |
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