Comparative assessment of raw and acid-activated preparations of novel Pongamia pinnata shells for adsorption of hexavalent chromium from simulated wastewater
Current study deals with the comparative assessment for efficient adsorption of Cr(VI) from simulated wastewater using raw (NPP), phosphoric acid-activated (PPP) and sulphuric acid-activated (SPP) Pongamia pinnata shells. Physico-chemical alterations of the adsorbent were characterised by scanning e...
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| Veröffentlicht in: | Environmental science and pollution research international 2020-05, Vol.27 (13), p.14836-14851 |
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| creator | Patra, Chandi Shahnaz, Tasrin Subbiah, Senthilmurugan Narayanasamy, Selvaraju |
| description | Current study deals with the comparative assessment for efficient adsorption of Cr(VI) from simulated wastewater using raw (NPP), phosphoric acid-activated (PPP) and sulphuric acid-activated (SPP)
Pongamia pinnata
shells. Physico-chemical alterations of the adsorbent were characterised by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), zeta-potential analysis, energy-dispersive X-ray spectroscopy (EDS) and total pore analysis using Brunauer-Emmett-Teller (BET). Parameters influencing the efficient biosorption of Cr(VI) species viz. initial pH of Cr(VI) solution, dosage of biosorbent, biosorbent-Cr(VI) contact period, initial concentration of Cr(VI) ions and reaction temperature were optimised. Various two-parameter and three-parameter isotherm models, kinetic models and thermodynamic studies were performed using equilibrium data. Langmuir adsorption capacity for NPP (raw biomass), PPP (phosphoric acid-activated biomass) and SPP (sulphuric acid-activated biomass) was found to be 96.2, 152 and 192 mg/g, respectively. All the biosorbents gave best fit for pseudo-second-order model. Thermodynamic studies suggest spontaneous and endothermic interaction with increased degree of randomness. Effect of co-existing cations and anions on Cr(VI) biosorption onto the biosorbents implied that minimal competition and the biosorption capacity of the biosorbents for Cr(VI) species remained unaffected. Regeneration studies suggest that activated biosorbents can be used up to three times with continuous desorption. |
| doi_str_mv | 10.1007/s11356-020-07979-y |
| format | Article |
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Pongamia pinnata
shells. Physico-chemical alterations of the adsorbent were characterised by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), zeta-potential analysis, energy-dispersive X-ray spectroscopy (EDS) and total pore analysis using Brunauer-Emmett-Teller (BET). Parameters influencing the efficient biosorption of Cr(VI) species viz. initial pH of Cr(VI) solution, dosage of biosorbent, biosorbent-Cr(VI) contact period, initial concentration of Cr(VI) ions and reaction temperature were optimised. Various two-parameter and three-parameter isotherm models, kinetic models and thermodynamic studies were performed using equilibrium data. Langmuir adsorption capacity for NPP (raw biomass), PPP (phosphoric acid-activated biomass) and SPP (sulphuric acid-activated biomass) was found to be 96.2, 152 and 192 mg/g, respectively. All the biosorbents gave best fit for pseudo-second-order model. Thermodynamic studies suggest spontaneous and endothermic interaction with increased degree of randomness. Effect of co-existing cations and anions on Cr(VI) biosorption onto the biosorbents implied that minimal competition and the biosorption capacity of the biosorbents for Cr(VI) species remained unaffected. Regeneration studies suggest that activated biosorbents can be used up to three times with continuous desorption.</description><identifier>ISSN: 0944-1344</identifier><identifier>EISSN: 1614-7499</identifier><identifier>DOI: 10.1007/s11356-020-07979-y</identifier><identifier>PMID: 32060825</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Acids ; Adsorption ; Anions ; Aquatic Pollution ; Atmospheric Protection/Air Quality Control/Air Pollution ; Biomass ; Biosorption ; Cations ; Chromium ; Computer simulation ; Earth and Environmental Science ; Ecotoxicology ; Environment ; Environmental Chemistry ; Environmental Health ; Environmental science ; Fourier analysis ; Fourier transforms ; Hexavalent chromium ; Infrared analysis ; Infrared spectroscopy ; Mathematical models ; Parameters ; Phosphoric acid ; Pongamia pinnata ; Regeneration ; Research Article ; Scanning electron microscopy ; Shells ; Spectroscopic analysis ; Spectrum analysis ; Sulfuric acid ; Thermodynamic equilibrium ; Waste Water Technology ; Wastewater ; Water Management ; Water Pollution Control ; X-ray spectroscopy ; Zeta potential</subject><ispartof>Environmental science and pollution research international, 2020-05, Vol.27 (13), p.14836-14851</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020</rights><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c412t-99370efc966b07726de145474e1b4ce31639a0c453feff793f8c105769a9af83</citedby><cites>FETCH-LOGICAL-c412t-99370efc966b07726de145474e1b4ce31639a0c453feff793f8c105769a9af83</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/s11356-020-07979-y$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11356-020-07979-y$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32060825$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Patra, Chandi</creatorcontrib><creatorcontrib>Shahnaz, Tasrin</creatorcontrib><creatorcontrib>Subbiah, Senthilmurugan</creatorcontrib><creatorcontrib>Narayanasamy, Selvaraju</creatorcontrib><title>Comparative assessment of raw and acid-activated preparations of novel Pongamia pinnata shells for adsorption of hexavalent chromium from simulated wastewater</title><title>Environmental science and pollution research international</title><addtitle>Environ Sci Pollut Res</addtitle><addtitle>Environ Sci Pollut Res Int</addtitle><description>Current study deals with the comparative assessment for efficient adsorption of Cr(VI) from simulated wastewater using raw (NPP), phosphoric acid-activated (PPP) and sulphuric acid-activated (SPP)
Pongamia pinnata
shells. Physico-chemical alterations of the adsorbent were characterised by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), zeta-potential analysis, energy-dispersive X-ray spectroscopy (EDS) and total pore analysis using Brunauer-Emmett-Teller (BET). Parameters influencing the efficient biosorption of Cr(VI) species viz. initial pH of Cr(VI) solution, dosage of biosorbent, biosorbent-Cr(VI) contact period, initial concentration of Cr(VI) ions and reaction temperature were optimised. Various two-parameter and three-parameter isotherm models, kinetic models and thermodynamic studies were performed using equilibrium data. Langmuir adsorption capacity for NPP (raw biomass), PPP (phosphoric acid-activated biomass) and SPP (sulphuric acid-activated biomass) was found to be 96.2, 152 and 192 mg/g, respectively. All the biosorbents gave best fit for pseudo-second-order model. Thermodynamic studies suggest spontaneous and endothermic interaction with increased degree of randomness. Effect of co-existing cations and anions on Cr(VI) biosorption onto the biosorbents implied that minimal competition and the biosorption capacity of the biosorbents for Cr(VI) species remained unaffected. Regeneration studies suggest that activated biosorbents can be used up to three times with continuous desorption.</description><subject>Acids</subject><subject>Adsorption</subject><subject>Anions</subject><subject>Aquatic Pollution</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Biomass</subject><subject>Biosorption</subject><subject>Cations</subject><subject>Chromium</subject><subject>Computer simulation</subject><subject>Earth and Environmental Science</subject><subject>Ecotoxicology</subject><subject>Environment</subject><subject>Environmental Chemistry</subject><subject>Environmental Health</subject><subject>Environmental science</subject><subject>Fourier analysis</subject><subject>Fourier transforms</subject><subject>Hexavalent chromium</subject><subject>Infrared analysis</subject><subject>Infrared spectroscopy</subject><subject>Mathematical models</subject><subject>Parameters</subject><subject>Phosphoric acid</subject><subject>Pongamia pinnata</subject><subject>Regeneration</subject><subject>Research Article</subject><subject>Scanning electron microscopy</subject><subject>Shells</subject><subject>Spectroscopic analysis</subject><subject>Spectrum analysis</subject><subject>Sulfuric acid</subject><subject>Thermodynamic equilibrium</subject><subject>Waste Water Technology</subject><subject>Wastewater</subject><subject>Water Management</subject><subject>Water Pollution Control</subject><subject>X-ray spectroscopy</subject><subject>Zeta 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research international</jtitle><stitle>Environ Sci Pollut Res</stitle><addtitle>Environ Sci Pollut Res Int</addtitle><date>2020-05-01</date><risdate>2020</risdate><volume>27</volume><issue>13</issue><spage>14836</spage><epage>14851</epage><pages>14836-14851</pages><issn>0944-1344</issn><eissn>1614-7499</eissn><abstract>Current study deals with the comparative assessment for efficient adsorption of Cr(VI) from simulated wastewater using raw (NPP), phosphoric acid-activated (PPP) and sulphuric acid-activated (SPP)
Pongamia pinnata
shells. Physico-chemical alterations of the adsorbent were characterised by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), zeta-potential analysis, energy-dispersive X-ray spectroscopy (EDS) and total pore analysis using Brunauer-Emmett-Teller (BET). Parameters influencing the efficient biosorption of Cr(VI) species viz. initial pH of Cr(VI) solution, dosage of biosorbent, biosorbent-Cr(VI) contact period, initial concentration of Cr(VI) ions and reaction temperature were optimised. Various two-parameter and three-parameter isotherm models, kinetic models and thermodynamic studies were performed using equilibrium data. Langmuir adsorption capacity for NPP (raw biomass), PPP (phosphoric acid-activated biomass) and SPP (sulphuric acid-activated biomass) was found to be 96.2, 152 and 192 mg/g, respectively. All the biosorbents gave best fit for pseudo-second-order model. Thermodynamic studies suggest spontaneous and endothermic interaction with increased degree of randomness. Effect of co-existing cations and anions on Cr(VI) biosorption onto the biosorbents implied that minimal competition and the biosorption capacity of the biosorbents for Cr(VI) species remained unaffected. Regeneration studies suggest that activated biosorbents can be used up to three times with continuous desorption.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>32060825</pmid><doi>10.1007/s11356-020-07979-y</doi><tpages>16</tpages></addata></record> |
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| ispartof | Environmental science and pollution research international, 2020-05, Vol.27 (13), p.14836-14851 |
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| subjects | Acids Adsorption Anions Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Biomass Biosorption Cations Chromium Computer simulation Earth and Environmental Science Ecotoxicology Environment Environmental Chemistry Environmental Health Environmental science Fourier analysis Fourier transforms Hexavalent chromium Infrared analysis Infrared spectroscopy Mathematical models Parameters Phosphoric acid Pongamia pinnata Regeneration Research Article Scanning electron microscopy Shells Spectroscopic analysis Spectrum analysis Sulfuric acid Thermodynamic equilibrium Waste Water Technology Wastewater Water Management Water Pollution Control X-ray spectroscopy Zeta potential |
| title | Comparative assessment of raw and acid-activated preparations of novel Pongamia pinnata shells for adsorption of hexavalent chromium from simulated wastewater |
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