Modified Polymeric Biosorbents from Rumex acetosella for the Removal of Heavy Metals in Wastewater
The contamination of water resources by effluents from various industries often contains heavy metals, which cause irreversible damage to the environment and health. The objective was to evaluate different biosorbents from the weed to remove metal cations in wastewater. Drying, grinding and sieving...
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| Veröffentlicht in: | Polymers 2022-05, Vol.14 (11), p.2191 |
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| creator | Ligarda-Samanez, Carlos A Choque-Quispe, David Palomino-Rincón, Henry Ramos-Pacheco, Betsy S Moscoso-Moscoso, Elibet Huamán-Carrión, Mary L Peralta-Guevara, Diego E Obregón-Yupanqui, Mirian E Aroni-Huamán, Jimmy Bravo-Franco, Eyner Y Palomino-Rincón, Wilbert De la Cruz, Germán |
| description | The contamination of water resources by effluents from various industries often contains heavy metals, which cause irreversible damage to the environment and health. The objective was to evaluate different biosorbents from the weed
to remove metal cations in wastewater. Drying, grinding and sieving of the stems was carried out to obtain the biomass, retaining the fractions of 250 to 500 µm and 500 to 750 µm, which served to obtain the biosorbents in natura (unmodified), acidic, alkaline, and mixed. Proximal analysis, PZC, TOC, removal capacity, influence of pH, functional groups, thermal analysis, structural characteristics, adsorption isotherms, and kinetic study were evaluated. The 250 µm mixed treatment was the one that presented the highest removal percentages, mainly due to the OH, NH, -C-H, COOH, and C-O functional groups achieving the removal of up to 96.14% of lead, 36.30% of zinc, 34.10% of cadmium and 32.50% of arsenic. For contact times of 120 min and an optimum pH of 5.0, a loss of cellulose mass of 59% at 328 °C and a change in the surface of the material were also observed, which allowed for obtaining a topography with greater chelating capacity, and the Langmuir and pseudo-second order models were better fitted to the adsorption data. The new biosorbents could be used in wastewater treatment economically and efficiently. |
| doi_str_mv | 10.3390/polym14112191 |
| format | Article |
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to remove metal cations in wastewater. Drying, grinding and sieving of the stems was carried out to obtain the biomass, retaining the fractions of 250 to 500 µm and 500 to 750 µm, which served to obtain the biosorbents in natura (unmodified), acidic, alkaline, and mixed. Proximal analysis, PZC, TOC, removal capacity, influence of pH, functional groups, thermal analysis, structural characteristics, adsorption isotherms, and kinetic study were evaluated. The 250 µm mixed treatment was the one that presented the highest removal percentages, mainly due to the OH, NH, -C-H, COOH, and C-O functional groups achieving the removal of up to 96.14% of lead, 36.30% of zinc, 34.10% of cadmium and 32.50% of arsenic. For contact times of 120 min and an optimum pH of 5.0, a loss of cellulose mass of 59% at 328 °C and a change in the surface of the material were also observed, which allowed for obtaining a topography with greater chelating capacity, and the Langmuir and pseudo-second order models were better fitted to the adsorption data. The new biosorbents could be used in wastewater treatment economically and efficiently.</description><identifier>ISSN: 2073-4360</identifier><identifier>EISSN: 2073-4360</identifier><identifier>DOI: 10.3390/polym14112191</identifier><identifier>PMID: 35683864</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Adsorption ; Anemia ; Chelation ; Effluents ; Experiments ; Functional groups ; Heavy metals ; Lignocellulose ; Thermal analysis ; Wastewater treatment ; Water resources</subject><ispartof>Polymers, 2022-05, Vol.14 (11), p.2191</ispartof><rights>2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2022 by the authors. 2022</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3301-39cf08317fa633b3e928a88b0e82c9525d5d2dfb69c344382336ce1b93983f563</citedby><cites>FETCH-LOGICAL-c3301-39cf08317fa633b3e928a88b0e82c9525d5d2dfb69c344382336ce1b93983f563</cites><orcidid>0000-0003-4002-7526 ; 0000-0001-7519-8355 ; 0000-0001-7618-799X ; 0000-0003-2988-0809</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9183189/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9183189/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,881,27901,27902,53766,53768</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/35683864$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ligarda-Samanez, Carlos A</creatorcontrib><creatorcontrib>Choque-Quispe, David</creatorcontrib><creatorcontrib>Palomino-Rincón, Henry</creatorcontrib><creatorcontrib>Ramos-Pacheco, Betsy S</creatorcontrib><creatorcontrib>Moscoso-Moscoso, Elibet</creatorcontrib><creatorcontrib>Huamán-Carrión, Mary L</creatorcontrib><creatorcontrib>Peralta-Guevara, Diego E</creatorcontrib><creatorcontrib>Obregón-Yupanqui, Mirian E</creatorcontrib><creatorcontrib>Aroni-Huamán, Jimmy</creatorcontrib><creatorcontrib>Bravo-Franco, Eyner Y</creatorcontrib><creatorcontrib>Palomino-Rincón, Wilbert</creatorcontrib><creatorcontrib>De la Cruz, Germán</creatorcontrib><title>Modified Polymeric Biosorbents from Rumex acetosella for the Removal of Heavy Metals in Wastewater</title><title>Polymers</title><addtitle>Polymers (Basel)</addtitle><description>The contamination of water resources by effluents from various industries often contains heavy metals, which cause irreversible damage to the environment and health. The objective was to evaluate different biosorbents from the weed
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For contact times of 120 min and an optimum pH of 5.0, a loss of cellulose mass of 59% at 328 °C and a change in the surface of the material were also observed, which allowed for obtaining a topography with greater chelating capacity, and the Langmuir and pseudo-second order models were better fitted to the adsorption data. 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The objective was to evaluate different biosorbents from the weed
to remove metal cations in wastewater. Drying, grinding and sieving of the stems was carried out to obtain the biomass, retaining the fractions of 250 to 500 µm and 500 to 750 µm, which served to obtain the biosorbents in natura (unmodified), acidic, alkaline, and mixed. Proximal analysis, PZC, TOC, removal capacity, influence of pH, functional groups, thermal analysis, structural characteristics, adsorption isotherms, and kinetic study were evaluated. The 250 µm mixed treatment was the one that presented the highest removal percentages, mainly due to the OH, NH, -C-H, COOH, and C-O functional groups achieving the removal of up to 96.14% of lead, 36.30% of zinc, 34.10% of cadmium and 32.50% of arsenic. For contact times of 120 min and an optimum pH of 5.0, a loss of cellulose mass of 59% at 328 °C and a change in the surface of the material were also observed, which allowed for obtaining a topography with greater chelating capacity, and the Langmuir and pseudo-second order models were better fitted to the adsorption data. The new biosorbents could be used in wastewater treatment economically and efficiently.</abstract><cop>Switzerland</cop><pub>MDPI AG</pub><pmid>35683864</pmid><doi>10.3390/polym14112191</doi><orcidid>https://orcid.org/0000-0003-4002-7526</orcidid><orcidid>https://orcid.org/0000-0001-7519-8355</orcidid><orcidid>https://orcid.org/0000-0001-7618-799X</orcidid><orcidid>https://orcid.org/0000-0003-2988-0809</orcidid><oa>free_for_read</oa></addata></record> |
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| source | MDPI - Multidisciplinary Digital Publishing Institute; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central; PubMed Central Open Access |
| subjects | Adsorption Anemia Chelation Effluents Experiments Functional groups Heavy metals Lignocellulose Thermal analysis Wastewater treatment Water resources |
| title | Modified Polymeric Biosorbents from Rumex acetosella for the Removal of Heavy Metals in Wastewater |
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