Activated Carbon from Agricultural Wastes for Adsorption of Organic Pollutants
Agricultural waste materials (strawberry seeds and pistachio shells) were used for preparation of activated carbons by two various methods. Chemical activation using acetic acid and physical activation with gaseous agents (carbon dioxide and water vapor) were chosen as mild and environmentally frien...
| প্রধান লেখক: | , , , , , |
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| বিন্যাস: | প্রবন্ধ |
| ভাষা: | English |
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MDPI AG
2020-11-01
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| মালা: | Molecules |
| বিষয়গুলি: | |
| অনলাইন ব্যবহার করুন: | https://www.mdpi.com/1420-3049/25/21/5105 |
| _version_ | 1827702920192196608 |
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| author | Magdalena Blachnio Anna Derylo-Marczewska Barbara Charmas Malgorzata Zienkiewicz-Strzalka Viktor Bogatyrov Mariia Galaburda |
| author_facet | Magdalena Blachnio Anna Derylo-Marczewska Barbara Charmas Malgorzata Zienkiewicz-Strzalka Viktor Bogatyrov Mariia Galaburda |
| author_sort | Magdalena Blachnio |
| collection | DOAJ |
| description | Agricultural waste materials (strawberry seeds and pistachio shells) were used for preparation of activated carbons by two various methods. Chemical activation using acetic acid and physical activation with gaseous agents (carbon dioxide and water vapor) were chosen as mild and environmentally friendly methods. The effect of type of raw material, temperature, and activation agent on the porous structure characteristics of the materials was discussed applying various methods of analysis. The best obtained activated carbons were characterized by high values of specific surface area (555–685 m<sup>2</sup>/g). The Guinier analysis of small-angle X-ray scattering (SAXS) curves showed that a time of activation affects pore size. The samples activated using carbon dioxide were characterized mostly by the spherical morphology of pores. Adsorbents were utilized for removal of the model organic pollutants from the single- and multicomponent systems. The adsorption capacities for the 4-chloro-2-methyphenoxyacetic acid (MCPA) removal were equal to 1.43–1.56 mmol/g; however, for adsorbent from strawberry seeds it was much lower. Slight effect of crystal violet presence on the MCPA adsorption and inversely was noticed as a result of adsorption in different types of pores. For similar herbicides strong competition in capacity and adsorption rate was observed. For analysis of kinetic data various equations were used. |
| first_indexed | 2024-03-10T15:07:17Z |
| format | Article |
| id | doaj.art-a4dc574b2e2f4a6faee14cfcaf67b1c9 |
| institution | Directory Open Access Journal |
| issn | 1420-3049 |
| language | English |
| last_indexed | 2024-03-10T15:07:17Z |
| publishDate | 2020-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Molecules |
| spelling | doaj.art-a4dc574b2e2f4a6faee14cfcaf67b1c92023-11-20T19:40:17ZengMDPI AGMolecules1420-30492020-11-012521510510.3390/molecules25215105Activated Carbon from Agricultural Wastes for Adsorption of Organic PollutantsMagdalena Blachnio0Anna Derylo-Marczewska1Barbara Charmas2Malgorzata Zienkiewicz-Strzalka3Viktor Bogatyrov4Mariia Galaburda5Faculty of Chemistry, Maria Curie-Sklodowska University, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, PolandFaculty of Chemistry, Maria Curie-Sklodowska University, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, PolandFaculty of Chemistry, Maria Curie-Sklodowska University, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, PolandFaculty of Chemistry, Maria Curie-Sklodowska University, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, PolandChuiko Institute of Surface Chemistry of National Academy of Sciences of Ukraine, General Naumov Street 17, 03164 Kyiv, UkraineChuiko Institute of Surface Chemistry of National Academy of Sciences of Ukraine, General Naumov Street 17, 03164 Kyiv, UkraineAgricultural waste materials (strawberry seeds and pistachio shells) were used for preparation of activated carbons by two various methods. Chemical activation using acetic acid and physical activation with gaseous agents (carbon dioxide and water vapor) were chosen as mild and environmentally friendly methods. The effect of type of raw material, temperature, and activation agent on the porous structure characteristics of the materials was discussed applying various methods of analysis. The best obtained activated carbons were characterized by high values of specific surface area (555–685 m<sup>2</sup>/g). The Guinier analysis of small-angle X-ray scattering (SAXS) curves showed that a time of activation affects pore size. The samples activated using carbon dioxide were characterized mostly by the spherical morphology of pores. Adsorbents were utilized for removal of the model organic pollutants from the single- and multicomponent systems. The adsorption capacities for the 4-chloro-2-methyphenoxyacetic acid (MCPA) removal were equal to 1.43–1.56 mmol/g; however, for adsorbent from strawberry seeds it was much lower. Slight effect of crystal violet presence on the MCPA adsorption and inversely was noticed as a result of adsorption in different types of pores. For similar herbicides strong competition in capacity and adsorption rate was observed. For analysis of kinetic data various equations were used.https://www.mdpi.com/1420-3049/25/21/5105activated carbondye adsorptionherbicide adsorptionadsorption kineticsadsorption equilibrium |
| spellingShingle | Magdalena Blachnio Anna Derylo-Marczewska Barbara Charmas Malgorzata Zienkiewicz-Strzalka Viktor Bogatyrov Mariia Galaburda Activated Carbon from Agricultural Wastes for Adsorption of Organic Pollutants Molecules activated carbon dye adsorption herbicide adsorption adsorption kinetics adsorption equilibrium |
| title | Activated Carbon from Agricultural Wastes for Adsorption of Organic Pollutants |
| title_full | Activated Carbon from Agricultural Wastes for Adsorption of Organic Pollutants |
| title_fullStr | Activated Carbon from Agricultural Wastes for Adsorption of Organic Pollutants |
| title_full_unstemmed | Activated Carbon from Agricultural Wastes for Adsorption of Organic Pollutants |
| title_short | Activated Carbon from Agricultural Wastes for Adsorption of Organic Pollutants |
| title_sort | activated carbon from agricultural wastes for adsorption of organic pollutants |
| topic | activated carbon dye adsorption herbicide adsorption adsorption kinetics adsorption equilibrium |
| url | https://www.mdpi.com/1420-3049/25/21/5105 |
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