Removal of 4-Chlorophenol from Aqueous Solutions Using Graphene Oxide Nanoporous Adsorbent
In this study, graphene oxide was used as a nanostructured adsorbent with properties supposedly better than other common adsorbents to remove 4-chlorophenol from aqueous solutions. For this purpose, graphene oxide was initially synthesized using the Hummer's method and x-ray diffraction and sca...
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| Format: | Article |
| Language: | English |
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Water and Wastewater Consulting Engineers Research Development
2015-03-01
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| Series: | آب و فاضلاب |
| Subjects: | |
| Online Access: | http://www.wwjournal.ir/article_6664_1f24c82e38bf1bbe287b5bbd2c9fb4bc.pdf |
| _version_ | 1818666947826417664 |
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| author | akbar eslami ahmad reza yazdanbakhsh hiua daraei fateme sofi karimi |
| author_facet | akbar eslami ahmad reza yazdanbakhsh hiua daraei fateme sofi karimi |
| author_sort | akbar eslami |
| collection | DOAJ |
| description | In this study, graphene oxide was used as a nanostructured adsorbent with properties supposedly better than other common adsorbents to remove 4-chlorophenol from aqueous solutions. For this purpose, graphene oxide was initially synthesized using the Hummer's method and x-ray diffraction and scanning electron microscopy were employed to identify its morphology and structure. The variables involved in the absorption process (including 4-chlorophenol initial concentration, adsorbent dosage, and pH) were investigated based on the one-factor-at-a-time method. Eventually, the data were confirmed against the Langmuir and Freundlich isotherms. It was found that the adsorption process reached equilibrium in 20 minutes. A dosage of 0.4 g/L graphene oxide at pH=8 brought about 90% removal of 10 mg/L 4-chlorophenol within 5 minutes. The adsorption isotherm was described well by the Langmuir isotherm model and the values for R2 and RL were recorded as 0.99 for and 0.34, respectively. Being a low cost and highly efficient process, the adsorption process using graphene oxide adsorbent may be recommended for the reduction and elimination of pollutants in the environment, especially those in aqueous solutions. |
| first_indexed | 2024-12-17T06:12:38Z |
| format | Article |
| id | doaj.art-2e822435b3564108b6941765d3baa81f |
| institution | Directory Open Access Journal |
| issn | 1024-5936 2383-0905 |
| language | English |
| last_indexed | 2024-12-17T06:12:38Z |
| publishDate | 2015-03-01 |
| publisher | Water and Wastewater Consulting Engineers Research Development |
| record_format | Article |
| series | آب و فاضلاب |
| spelling | doaj.art-2e822435b3564108b6941765d3baa81f2022-12-21T22:00:35ZengWater and Wastewater Consulting Engineers Research Developmentآب و فاضلاب1024-59362383-09052015-03-0126119266664Removal of 4-Chlorophenol from Aqueous Solutions Using Graphene Oxide Nanoporous Adsorbentakbar eslami0ahmad reza yazdanbakhsh1hiua daraei2fateme sofi karimi3دانشیار گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی شهید بهشتی، تهران، ایراندانشیار گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی شهید بهشتی، تهران، ایرانمربی، دانشکده بهداشت، دانشگاه علوم پزشکی کردستان، سنندج، ایرانEmployee / Central Boukan HealthIn this study, graphene oxide was used as a nanostructured adsorbent with properties supposedly better than other common adsorbents to remove 4-chlorophenol from aqueous solutions. For this purpose, graphene oxide was initially synthesized using the Hummer's method and x-ray diffraction and scanning electron microscopy were employed to identify its morphology and structure. The variables involved in the absorption process (including 4-chlorophenol initial concentration, adsorbent dosage, and pH) were investigated based on the one-factor-at-a-time method. Eventually, the data were confirmed against the Langmuir and Freundlich isotherms. It was found that the adsorption process reached equilibrium in 20 minutes. A dosage of 0.4 g/L graphene oxide at pH=8 brought about 90% removal of 10 mg/L 4-chlorophenol within 5 minutes. The adsorption isotherm was described well by the Langmuir isotherm model and the values for R2 and RL were recorded as 0.99 for and 0.34, respectively. Being a low cost and highly efficient process, the adsorption process using graphene oxide adsorbent may be recommended for the reduction and elimination of pollutants in the environment, especially those in aqueous solutions.http://www.wwjournal.ir/article_6664_1f24c82e38bf1bbe287b5bbd2c9fb4bc.pdfGraphene oxideNanoporousAdsorption4-Chlorophenol |
| spellingShingle | akbar eslami ahmad reza yazdanbakhsh hiua daraei fateme sofi karimi Removal of 4-Chlorophenol from Aqueous Solutions Using Graphene Oxide Nanoporous Adsorbent آب و فاضلاب Graphene oxide Nanoporous Adsorption 4-Chlorophenol |
| title | Removal of 4-Chlorophenol from Aqueous Solutions Using Graphene Oxide Nanoporous Adsorbent |
| title_full | Removal of 4-Chlorophenol from Aqueous Solutions Using Graphene Oxide Nanoporous Adsorbent |
| title_fullStr | Removal of 4-Chlorophenol from Aqueous Solutions Using Graphene Oxide Nanoporous Adsorbent |
| title_full_unstemmed | Removal of 4-Chlorophenol from Aqueous Solutions Using Graphene Oxide Nanoporous Adsorbent |
| title_short | Removal of 4-Chlorophenol from Aqueous Solutions Using Graphene Oxide Nanoporous Adsorbent |
| title_sort | removal of 4 chlorophenol from aqueous solutions using graphene oxide nanoporous adsorbent |
| topic | Graphene oxide Nanoporous Adsorption 4-Chlorophenol |
| url | http://www.wwjournal.ir/article_6664_1f24c82e38bf1bbe287b5bbd2c9fb4bc.pdf |
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