Adsorptive Behavior of an Activated Carbon for Bisphenol A Removal in Single and Binary (Bisphenol A—Heavy Metal) Solutions
Bisphenol A (BPA) is an extensively produced and consumed chemical in the world. Due to its widespread use, contamination by this pollutant has increased in recent years, reaching a critical environmental point. This work investigates the feasibility of bisphenol A adsorption from industrial wastewa...
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| description | Bisphenol A (BPA) is an extensively produced and consumed chemical in the world. Due to its widespread use, contamination by this pollutant has increased in recent years, reaching a critical environmental point. This work investigates the feasibility of bisphenol A adsorption from industrial wastewater solutions, testing the reduction of bisphenol A in synthetic solutions by a commercial activated carbon, AC-40, in batch mode. Besides, mixtures of bisphenol A and different heavy metal cations were also studied. So far, no works have reported a complete study about bisphenol A removal by this activated carbon including the use of this material to remove BPA in the presence of metal cations. First, adsorption experiments were performed in batch changing pH, dose of adsorbent, initial bisphenol A concentration and contact time. Results showed greater retention of bisphenol A by increasing the acidity of the medium. Further, the percentage of bisphenol A adsorbed increased with increasing contact time. The selected conditions for the rest of the experiments were pH 5 and a contact time of 48 h. In addition, an increase in retention of bisphenol A when the dose of adsorbent increased was observed. Then, specific experiments were carried out to define the kinetics and the adsorption isotherm. Equilibrium data were adequately fitted to a Langmuir isotherm and the kinetics data fitted well to the pseudo-second-order model. The maximum adsorption capacity provided by Langmuir model was 94.34 mg/g. Finally, the effect of the presence of other heavy metals in water solution on the adsorption of bisphenol A was analyzed. Binary tests revealed competition between the adsorbates and a significant selectivity toward bisphenol A. Finally, the study of the adsorption performance in three consecutive adsorption–desorption cycles showed efficiencies higher than 90% in all cycles, indicating that the activated carbon has good reusability. |
| doi_str_mv | 10.3390/w12082150 |
| format | Article |
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Due to its widespread use, contamination by this pollutant has increased in recent years, reaching a critical environmental point. This work investigates the feasibility of bisphenol A adsorption from industrial wastewater solutions, testing the reduction of bisphenol A in synthetic solutions by a commercial activated carbon, AC-40, in batch mode. Besides, mixtures of bisphenol A and different heavy metal cations were also studied. So far, no works have reported a complete study about bisphenol A removal by this activated carbon including the use of this material to remove BPA in the presence of metal cations. First, adsorption experiments were performed in batch changing pH, dose of adsorbent, initial bisphenol A concentration and contact time. Results showed greater retention of bisphenol A by increasing the acidity of the medium. Further, the percentage of bisphenol A adsorbed increased with increasing contact time. The selected conditions for the rest of the experiments were pH 5 and a contact time of 48 h. In addition, an increase in retention of bisphenol A when the dose of adsorbent increased was observed. Then, specific experiments were carried out to define the kinetics and the adsorption isotherm. Equilibrium data were adequately fitted to a Langmuir isotherm and the kinetics data fitted well to the pseudo-second-order model. The maximum adsorption capacity provided by Langmuir model was 94.34 mg/g. Finally, the effect of the presence of other heavy metals in water solution on the adsorption of bisphenol A was analyzed. Binary tests revealed competition between the adsorbates and a significant selectivity toward bisphenol A. Finally, the study of the adsorption performance in three consecutive adsorption–desorption cycles showed efficiencies higher than 90% in all cycles, indicating that the activated carbon has good reusability.</description><identifier>ISSN: 2073-4441</identifier><identifier>EISSN: 2073-4441</identifier><identifier>DOI: 10.3390/w12082150</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Acidity ; Activated carbon ; Adsorbates ; Adsorbents ; Adsorption ; Adsorptivity ; Bisphenol A ; Cations ; Chemical properties ; Consumption ; Contamination ; Epoxy resins ; Feasibility studies ; Heavy metals ; Industrial wastes ; Industrial wastewater ; Investigations ; Isotherms ; Kinetics ; Membrane separation ; Metal ions ; Methods ; Nanomaterials ; Nanoparticles ; Nitrates ; Photocatalysis ; Pollutants ; Reaction kinetics ; Researchers ; Selectivity ; Wastewater</subject><ispartof>Water (Basel), 2020-08, Vol.12 (8), p.2150</ispartof><rights>COPYRIGHT 2020 MDPI AG</rights><rights>2020. This work is licensed under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c397t-53a6788d872ed67f6f0e69a9f8a969a0895f45b788bfa23fe5742c22b86483503</citedby><cites>FETCH-LOGICAL-c397t-53a6788d872ed67f6f0e69a9f8a969a0895f45b788bfa23fe5742c22b86483503</cites><orcidid>0000-0001-9515-7307</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Martín-Lara, M.A.</creatorcontrib><creatorcontrib>Calero, M.</creatorcontrib><creatorcontrib>Ronda, A.</creatorcontrib><creatorcontrib>Iáñez-Rodríguez, I.</creatorcontrib><creatorcontrib>Escudero, C.</creatorcontrib><title>Adsorptive Behavior of an Activated Carbon for Bisphenol A Removal in Single and Binary (Bisphenol A—Heavy Metal) Solutions</title><title>Water (Basel)</title><description>Bisphenol A (BPA) is an extensively produced and consumed chemical in the world. Due to its widespread use, contamination by this pollutant has increased in recent years, reaching a critical environmental point. This work investigates the feasibility of bisphenol A adsorption from industrial wastewater solutions, testing the reduction of bisphenol A in synthetic solutions by a commercial activated carbon, AC-40, in batch mode. Besides, mixtures of bisphenol A and different heavy metal cations were also studied. So far, no works have reported a complete study about bisphenol A removal by this activated carbon including the use of this material to remove BPA in the presence of metal cations. First, adsorption experiments were performed in batch changing pH, dose of adsorbent, initial bisphenol A concentration and contact time. Results showed greater retention of bisphenol A by increasing the acidity of the medium. Further, the percentage of bisphenol A adsorbed increased with increasing contact time. The selected conditions for the rest of the experiments were pH 5 and a contact time of 48 h. In addition, an increase in retention of bisphenol A when the dose of adsorbent increased was observed. Then, specific experiments were carried out to define the kinetics and the adsorption isotherm. Equilibrium data were adequately fitted to a Langmuir isotherm and the kinetics data fitted well to the pseudo-second-order model. The maximum adsorption capacity provided by Langmuir model was 94.34 mg/g. Finally, the effect of the presence of other heavy metals in water solution on the adsorption of bisphenol A was analyzed. Binary tests revealed competition between the adsorbates and a significant selectivity toward bisphenol A. Finally, the study of the adsorption performance in three consecutive adsorption–desorption cycles showed efficiencies higher than 90% in all cycles, indicating that the activated carbon has good reusability.</description><subject>Acidity</subject><subject>Activated carbon</subject><subject>Adsorbates</subject><subject>Adsorbents</subject><subject>Adsorption</subject><subject>Adsorptivity</subject><subject>Bisphenol A</subject><subject>Cations</subject><subject>Chemical properties</subject><subject>Consumption</subject><subject>Contamination</subject><subject>Epoxy resins</subject><subject>Feasibility studies</subject><subject>Heavy metals</subject><subject>Industrial wastes</subject><subject>Industrial wastewater</subject><subject>Investigations</subject><subject>Isotherms</subject><subject>Kinetics</subject><subject>Membrane separation</subject><subject>Metal ions</subject><subject>Methods</subject><subject>Nanomaterials</subject><subject>Nanoparticles</subject><subject>Nitrates</subject><subject>Photocatalysis</subject><subject>Pollutants</subject><subject>Reaction kinetics</subject><subject>Researchers</subject><subject>Selectivity</subject><subject>Wastewater</subject><issn>2073-4441</issn><issn>2073-4441</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpNkcFOwzAMhisEEtPYgTeIxIUdOtIkbdNjNwFDGkJicK7S1tkydUlJuqIdkHgInpAnIWgIzT7Ysr_fluUguIzwhNIM37xHBHMSxfgkGBCc0pAxFp0e5efByLkN9sYyzmM8CD7y2hnbdqoHNIW16JWxyEgkNMorXxUd1GgmbGk0kr41Va5dgzYNytEzbE0vGqQ0Wiq9asCrak9oYffo-oj8_vyag-j36BE60YzR0jS7ThntLoIzKRoHo784DF7vbl9m83DxdP8wyxdhRbO0C2MqkpTzmqcE6iSVicSQZCKTXGQ-Yp7FksWlR0opCJUQp4xUhJQ8YZzGmA6Dq8Pc1pq3Hbiu2Jid1X5lQRjFURInEfPU5ECtRAOF0tJ0VlTea9iqymiQytfzhHIWMUIyLxgfBJU1zlmQRWvV1l9fRLj4_Ujx_xH6A1bUfL4</recordid><startdate>20200801</startdate><enddate>20200801</enddate><creator>Martín-Lara, M.A.</creator><creator>Calero, M.</creator><creator>Ronda, A.</creator><creator>Iáñez-Rodríguez, I.</creator><creator>Escudero, C.</creator><general>MDPI AG</general><scope>AAYXX</scope><scope>CITATION</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><orcidid>https://orcid.org/0000-0001-9515-7307</orcidid></search><sort><creationdate>20200801</creationdate><title>Adsorptive Behavior of an Activated Carbon for Bisphenol A Removal in Single and Binary (Bisphenol A—Heavy Metal) Solutions</title><author>Martín-Lara, M.A. ; Calero, M. ; Ronda, A. ; Iáñez-Rodríguez, I. ; Escudero, C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c397t-53a6788d872ed67f6f0e69a9f8a969a0895f45b788bfa23fe5742c22b86483503</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Acidity</topic><topic>Activated carbon</topic><topic>Adsorbates</topic><topic>Adsorbents</topic><topic>Adsorption</topic><topic>Adsorptivity</topic><topic>Bisphenol A</topic><topic>Cations</topic><topic>Chemical properties</topic><topic>Consumption</topic><topic>Contamination</topic><topic>Epoxy resins</topic><topic>Feasibility studies</topic><topic>Heavy metals</topic><topic>Industrial wastes</topic><topic>Industrial wastewater</topic><topic>Investigations</topic><topic>Isotherms</topic><topic>Kinetics</topic><topic>Membrane separation</topic><topic>Metal ions</topic><topic>Methods</topic><topic>Nanomaterials</topic><topic>Nanoparticles</topic><topic>Nitrates</topic><topic>Photocatalysis</topic><topic>Pollutants</topic><topic>Reaction kinetics</topic><topic>Researchers</topic><topic>Selectivity</topic><topic>Wastewater</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Martín-Lara, M.A.</creatorcontrib><creatorcontrib>Calero, M.</creatorcontrib><creatorcontrib>Ronda, A.</creatorcontrib><creatorcontrib>Iáñez-Rodríguez, I.</creatorcontrib><creatorcontrib>Escudero, C.</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Access via ProQuest (Open Access)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>Water (Basel)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Martín-Lara, M.A.</au><au>Calero, M.</au><au>Ronda, A.</au><au>Iáñez-Rodríguez, I.</au><au>Escudero, C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Adsorptive Behavior of an Activated Carbon for Bisphenol A Removal in Single and Binary (Bisphenol A—Heavy Metal) Solutions</atitle><jtitle>Water (Basel)</jtitle><date>2020-08-01</date><risdate>2020</risdate><volume>12</volume><issue>8</issue><spage>2150</spage><pages>2150-</pages><issn>2073-4441</issn><eissn>2073-4441</eissn><abstract>Bisphenol A (BPA) is an extensively produced and consumed chemical in the world. Due to its widespread use, contamination by this pollutant has increased in recent years, reaching a critical environmental point. This work investigates the feasibility of bisphenol A adsorption from industrial wastewater solutions, testing the reduction of bisphenol A in synthetic solutions by a commercial activated carbon, AC-40, in batch mode. Besides, mixtures of bisphenol A and different heavy metal cations were also studied. So far, no works have reported a complete study about bisphenol A removal by this activated carbon including the use of this material to remove BPA in the presence of metal cations. First, adsorption experiments were performed in batch changing pH, dose of adsorbent, initial bisphenol A concentration and contact time. Results showed greater retention of bisphenol A by increasing the acidity of the medium. Further, the percentage of bisphenol A adsorbed increased with increasing contact time. The selected conditions for the rest of the experiments were pH 5 and a contact time of 48 h. In addition, an increase in retention of bisphenol A when the dose of adsorbent increased was observed. Then, specific experiments were carried out to define the kinetics and the adsorption isotherm. Equilibrium data were adequately fitted to a Langmuir isotherm and the kinetics data fitted well to the pseudo-second-order model. The maximum adsorption capacity provided by Langmuir model was 94.34 mg/g. Finally, the effect of the presence of other heavy metals in water solution on the adsorption of bisphenol A was analyzed. Binary tests revealed competition between the adsorbates and a significant selectivity toward bisphenol A. Finally, the study of the adsorption performance in three consecutive adsorption–desorption cycles showed efficiencies higher than 90% in all cycles, indicating that the activated carbon has good reusability.</abstract><cop>Basel</cop><pub>MDPI AG</pub><doi>10.3390/w12082150</doi><orcidid>https://orcid.org/0000-0001-9515-7307</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Acidity Activated carbon Adsorbates Adsorbents Adsorption Adsorptivity Bisphenol A Cations Chemical properties Consumption Contamination Epoxy resins Feasibility studies Heavy metals Industrial wastes Industrial wastewater Investigations Isotherms Kinetics Membrane separation Metal ions Methods Nanomaterials Nanoparticles Nitrates Photocatalysis Pollutants Reaction kinetics Researchers Selectivity Wastewater |
| title | Adsorptive Behavior of an Activated Carbon for Bisphenol A Removal in Single and Binary (Bisphenol A—Heavy Metal) Solutions |
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