Effective removal of hexavalent chromium from water by sustainable nano-scaled waste avocado seeds: adsorption isotherm, thermodynamics, kinetics, and error function
In the current investigation, an efficient low-cost nano-scaled material was prepared from waste avocado seeds (NASs) and employed as a sustainable nanosorbent for removal of hexavalent chromium ions. The adsorption and surface characteristics with respect to the availability of functional groups, b...
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| Veröffentlicht in: | Biomass conversion and biorefinery 2024-07, Vol.14 (13), p.14725-14743 |
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| creator | Mahmoud, Mohamed E. El-Said, Ghada F. Ibrahim, Ghada A. A. Elnashar, Almaza A. S. |
| description | In the current investigation, an efficient low-cost nano-scaled material was prepared from waste avocado seeds (NASs) and employed as a sustainable nanosorbent for removal of hexavalent chromium ions. The adsorption and surface characteristics with respect to the availability of functional groups, basic component elements, and structural properties of NASs were achieved by different techniques. Analysis of NASs referred to the presence of carbon and oxygen contents providing 97.21%. The NASs particles were homogenously identified and ranged between 18.68 and 19.05 nm. The impact of various affecting adsorption parameters on hexavalent chromium ions removal was elaborated and optimized at pH 2.0, NASs dose 10 mg, contact time 30 min, and temperature 25 °C by the batch adsorption assay. Fifteen linear and nonlinear modeling tests were applied to evaluate the adsorption isotherms and arranged in the following fitting order: Tempkin |
| doi_str_mv | 10.1007/s13399-022-03619-2 |
| format | Article |
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pseudo
-second-order models, intraparticle diffusion, and Elovich models were also scrutinized, and both pore diffusion and film were similarly involved in the rate-limiting step. The values of ΔS° (0.21 kJ/mol), ΔH° (− 41.02 kJ/mol) and ΔG° (− 28.30 to − 19.97 kJ/mol) at high concentration of hexavalent chromium (50 mg L
−1
) and a temperature range of 20–60 °C reflected the disordering, spontaneously exothermic adsorption process. The activation energy (
E
a
) was also confirmed to include the diffusion process at the activation energy in the rate-limiting step. The potential application of NASs in hexavalent chromium removal from wastewater, seawater, and tap water as real aqueous matrices referred to excellent percentage removal values in the range from 98.44 to 98.86%. Based on the outlined results, one can deduce that excellent performance and efficiency for removal of high hexavalent chromium concentration at high temperature, low nanosorbent mass, and low pH from different aqueous matrices were accomplished by the evaluated NAS nanosorbent. Accordingly, the investigated NAS nanosorbent is recommended to apply in high stress industrial and wastewater treatment plants.]]></description><identifier>ISSN: 2190-6815</identifier><identifier>EISSN: 2190-6823</identifier><identifier>DOI: 10.1007/s13399-022-03619-2</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Activation energy ; Adsorption ; Biotechnology ; Constraining ; Cost analysis ; Diffusion rate ; Drinking water ; Energy ; Error analysis ; Error functions ; Functional groups ; Hexavalent chromium ; High temperature ; Isotherms ; Multilayers ; Original Article ; Parameter identification ; Performance evaluation ; Renewable and Green Energy ; Seawater ; Seeds ; Surface properties ; Wastewater treatment</subject><ispartof>Biomass conversion and biorefinery, 2024-07, Vol.14 (13), p.14725-14743</ispartof><rights>The Author(s) 2022</rights><rights>The Author(s) 2022. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c363t-ad8e23646a096455596d90e39c55357f0f81ea3fb4d646c5a059f3ace8b3510e3</citedby><cites>FETCH-LOGICAL-c363t-ad8e23646a096455596d90e39c55357f0f81ea3fb4d646c5a059f3ace8b3510e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s13399-022-03619-2$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s13399-022-03619-2$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Mahmoud, Mohamed E.</creatorcontrib><creatorcontrib>El-Said, Ghada F.</creatorcontrib><creatorcontrib>Ibrahim, Ghada A. A.</creatorcontrib><creatorcontrib>Elnashar, Almaza A. S.</creatorcontrib><title>Effective removal of hexavalent chromium from water by sustainable nano-scaled waste avocado seeds: adsorption isotherm, thermodynamics, kinetics, and error function</title><title>Biomass conversion and biorefinery</title><addtitle>Biomass Conv. Bioref</addtitle><description><![CDATA[In the current investigation, an efficient low-cost nano-scaled material was prepared from waste avocado seeds (NASs) and employed as a sustainable nanosorbent for removal of hexavalent chromium ions. The adsorption and surface characteristics with respect to the availability of functional groups, basic component elements, and structural properties of NASs were achieved by different techniques. Analysis of NASs referred to the presence of carbon and oxygen contents providing 97.21%. The NASs particles were homogenously identified and ranged between 18.68 and 19.05 nm. The impact of various affecting adsorption parameters on hexavalent chromium ions removal was elaborated and optimized at pH 2.0, NASs dose 10 mg, contact time 30 min, and temperature 25 °C by the batch adsorption assay. Fifteen linear and nonlinear modeling tests were applied to evaluate the adsorption isotherms and arranged in the following fitting order: Tempkin < BET < Dubinin-Radushkevich < Generalized < Halsey ˂ Flory–Huggins < Freundlich < Harkins–Jura ˂ Langmuir for linear formulas and Weber-van Vliet < Langmuir < Generalized < Radke–Prausnitz (II) < Radke–Prausnitz (III) < Fritz-Schlunder IV < Baudu < Multilayer < Fritz-Schlunder V < Toth for nonlinear formulas with 2 to 5 parameters. Linear and nonlinear
pseudo
-second-order models, intraparticle diffusion, and Elovich models were also scrutinized, and both pore diffusion and film were similarly involved in the rate-limiting step. The values of ΔS° (0.21 kJ/mol), ΔH° (− 41.02 kJ/mol) and ΔG° (− 28.30 to − 19.97 kJ/mol) at high concentration of hexavalent chromium (50 mg L
−1
) and a temperature range of 20–60 °C reflected the disordering, spontaneously exothermic adsorption process. The activation energy (
E
a
) was also confirmed to include the diffusion process at the activation energy in the rate-limiting step. The potential application of NASs in hexavalent chromium removal from wastewater, seawater, and tap water as real aqueous matrices referred to excellent percentage removal values in the range from 98.44 to 98.86%. Based on the outlined results, one can deduce that excellent performance and efficiency for removal of high hexavalent chromium concentration at high temperature, low nanosorbent mass, and low pH from different aqueous matrices were accomplished by the evaluated NAS nanosorbent. Accordingly, the investigated NAS nanosorbent is recommended to apply in high stress industrial and wastewater treatment plants.]]></description><subject>Activation energy</subject><subject>Adsorption</subject><subject>Biotechnology</subject><subject>Constraining</subject><subject>Cost analysis</subject><subject>Diffusion rate</subject><subject>Drinking water</subject><subject>Energy</subject><subject>Error analysis</subject><subject>Error functions</subject><subject>Functional groups</subject><subject>Hexavalent chromium</subject><subject>High temperature</subject><subject>Isotherms</subject><subject>Multilayers</subject><subject>Original Article</subject><subject>Parameter identification</subject><subject>Performance evaluation</subject><subject>Renewable and Green Energy</subject><subject>Seawater</subject><subject>Seeds</subject><subject>Surface properties</subject><subject>Wastewater treatment</subject><issn>2190-6815</issn><issn>2190-6823</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><recordid>eNp9kcFuEzEQhlcIJKrSF-A0Etcu2J54s-aGqlKQKnGBszWxx2RL1g62N5AH4j1xEwQ3Tv9_-L6Zw991L6V4LYVYvykS0ZheKNULHKTp1ZPuQkkj-mFU-PRvl_p5d1XKgxBC4RpHFBfdr9sQ2NXpwJB5TgfaQQqw5Z_UKscKbpvTPC0zhJbwgypn2ByhLKXSFGmzY4gUU19c430DSmWgQ3LkExRmX94C-ZLyvk4pwlRS3XKer-EUyR8jzZMr1_BtilxPjaIHzjllCEt0j9qL7lmgXeGrP3nZfXl_-_nmQ3__6e7jzbv73uGAtSc_ssJhNZAww0prbQZvBKNxWqNeBxFGyYRhs_INcpqENgHJ8bhBLRt42b06393n9H3hUu1DWnJsLy2KtTFaDsY0Sp0pl1MpmYPd52mmfLRS2MdF7HkR2xaxp0WsahKepdLg-JXzv9P_sX4DnT2SEA</recordid><startdate>20240701</startdate><enddate>20240701</enddate><creator>Mahmoud, Mohamed E.</creator><creator>El-Said, Ghada F.</creator><creator>Ibrahim, Ghada A. A.</creator><creator>Elnashar, Almaza A. S.</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>C6C</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20240701</creationdate><title>Effective removal of hexavalent chromium from water by sustainable nano-scaled waste avocado seeds: adsorption isotherm, thermodynamics, kinetics, and error function</title><author>Mahmoud, Mohamed E. ; El-Said, Ghada F. ; Ibrahim, Ghada A. A. ; Elnashar, Almaza A. S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c363t-ad8e23646a096455596d90e39c55357f0f81ea3fb4d646c5a059f3ace8b3510e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Activation energy</topic><topic>Adsorption</topic><topic>Biotechnology</topic><topic>Constraining</topic><topic>Cost analysis</topic><topic>Diffusion rate</topic><topic>Drinking water</topic><topic>Energy</topic><topic>Error analysis</topic><topic>Error functions</topic><topic>Functional groups</topic><topic>Hexavalent chromium</topic><topic>High temperature</topic><topic>Isotherms</topic><topic>Multilayers</topic><topic>Original Article</topic><topic>Parameter identification</topic><topic>Performance evaluation</topic><topic>Renewable and Green Energy</topic><topic>Seawater</topic><topic>Seeds</topic><topic>Surface properties</topic><topic>Wastewater treatment</topic><toplevel>online_resources</toplevel><creatorcontrib>Mahmoud, Mohamed E.</creatorcontrib><creatorcontrib>El-Said, Ghada F.</creatorcontrib><creatorcontrib>Ibrahim, Ghada A. A.</creatorcontrib><creatorcontrib>Elnashar, Almaza A. S.</creatorcontrib><collection>Springer Nature OA Free Journals</collection><collection>CrossRef</collection><jtitle>Biomass conversion and biorefinery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mahmoud, Mohamed E.</au><au>El-Said, Ghada F.</au><au>Ibrahim, Ghada A. A.</au><au>Elnashar, Almaza A. S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effective removal of hexavalent chromium from water by sustainable nano-scaled waste avocado seeds: adsorption isotherm, thermodynamics, kinetics, and error function</atitle><jtitle>Biomass conversion and biorefinery</jtitle><stitle>Biomass Conv. Bioref</stitle><date>2024-07-01</date><risdate>2024</risdate><volume>14</volume><issue>13</issue><spage>14725</spage><epage>14743</epage><pages>14725-14743</pages><issn>2190-6815</issn><eissn>2190-6823</eissn><abstract><![CDATA[In the current investigation, an efficient low-cost nano-scaled material was prepared from waste avocado seeds (NASs) and employed as a sustainable nanosorbent for removal of hexavalent chromium ions. The adsorption and surface characteristics with respect to the availability of functional groups, basic component elements, and structural properties of NASs were achieved by different techniques. Analysis of NASs referred to the presence of carbon and oxygen contents providing 97.21%. The NASs particles were homogenously identified and ranged between 18.68 and 19.05 nm. The impact of various affecting adsorption parameters on hexavalent chromium ions removal was elaborated and optimized at pH 2.0, NASs dose 10 mg, contact time 30 min, and temperature 25 °C by the batch adsorption assay. Fifteen linear and nonlinear modeling tests were applied to evaluate the adsorption isotherms and arranged in the following fitting order: Tempkin < BET < Dubinin-Radushkevich < Generalized < Halsey ˂ Flory–Huggins < Freundlich < Harkins–Jura ˂ Langmuir for linear formulas and Weber-van Vliet < Langmuir < Generalized < Radke–Prausnitz (II) < Radke–Prausnitz (III) < Fritz-Schlunder IV < Baudu < Multilayer < Fritz-Schlunder V < Toth for nonlinear formulas with 2 to 5 parameters. Linear and nonlinear
pseudo
-second-order models, intraparticle diffusion, and Elovich models were also scrutinized, and both pore diffusion and film were similarly involved in the rate-limiting step. The values of ΔS° (0.21 kJ/mol), ΔH° (− 41.02 kJ/mol) and ΔG° (− 28.30 to − 19.97 kJ/mol) at high concentration of hexavalent chromium (50 mg L
−1
) and a temperature range of 20–60 °C reflected the disordering, spontaneously exothermic adsorption process. The activation energy (
E
a
) was also confirmed to include the diffusion process at the activation energy in the rate-limiting step. The potential application of NASs in hexavalent chromium removal from wastewater, seawater, and tap water as real aqueous matrices referred to excellent percentage removal values in the range from 98.44 to 98.86%. Based on the outlined results, one can deduce that excellent performance and efficiency for removal of high hexavalent chromium concentration at high temperature, low nanosorbent mass, and low pH from different aqueous matrices were accomplished by the evaluated NAS nanosorbent. Accordingly, the investigated NAS nanosorbent is recommended to apply in high stress industrial and wastewater treatment plants.]]></abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s13399-022-03619-2</doi><tpages>19</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Activation energy Adsorption Biotechnology Constraining Cost analysis Diffusion rate Drinking water Energy Error analysis Error functions Functional groups Hexavalent chromium High temperature Isotherms Multilayers Original Article Parameter identification Performance evaluation Renewable and Green Energy Seawater Seeds Surface properties Wastewater treatment |
| title | Effective removal of hexavalent chromium from water by sustainable nano-scaled waste avocado seeds: adsorption isotherm, thermodynamics, kinetics, and error function |
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