Equilibrium, kinetic and thermodynamic studies on methylene blue adsorption by Trichosanthes kirilowii Maxim shell activated carbon
New kind of adsorbent was produced from Trichosanthes kirilowii Maxim shell. The KOH activation technology for preparation of Trichosanthes kirilowii Maxim shell activated carbon (TKMCK) was optimized. Using methylene blue as the sample adsorbate, the adsorption behavior was systematically investiga...
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| Format: | Article |
| Language: | English |
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Sciendo
2019-12-01
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| Series: | Polish Journal of Chemical Technology |
| Subjects: | |
| Online Access: | https://doi.org/10.2478/pjct-2019-0044 |
| _version_ | 1818436343491985408 |
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| author | Wang Yuqi Li Yanhui Zheng Heng |
| author_facet | Wang Yuqi Li Yanhui Zheng Heng |
| author_sort | Wang Yuqi |
| collection | DOAJ |
| description | New kind of adsorbent was produced from Trichosanthes kirilowii Maxim shell. The KOH activation technology for preparation of Trichosanthes kirilowii Maxim shell activated carbon (TKMCK) was optimized. Using methylene blue as the sample adsorbate, the adsorption behavior was systematically investigated in terms of the activation agent and temperature, the adsorption temperature and time, the initial adsorbate pH and concentration, as well as the dosage of adsorbent. Surface physical morphology of the TKMCK prepared was observed by scanning electron microscopy (SEM), while the functional groups were determined with Fourier transform infrared (FTIR) spectra. Kinetic studies indicated that the adsorption process was more consistent with the pseudo-second-order kinetic. Both Langmuir and Freundlich isotherms were employed to fit the adsorption data at equilibrium, with the former giving a maximum adsorption capacity of 793.65 mg/g at 323 K. BET surface area of as-prepared TKMCK was 657.78 m2/g. |
| first_indexed | 2024-12-14T17:07:16Z |
| format | Article |
| id | doaj.art-6622946b1be84d6ebccabfb1b8cbe0da |
| institution | Directory Open Access Journal |
| issn | 1899-4741 |
| language | English |
| last_indexed | 2024-12-14T17:07:16Z |
| publishDate | 2019-12-01 |
| publisher | Sciendo |
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| series | Polish Journal of Chemical Technology |
| spelling | doaj.art-6622946b1be84d6ebccabfb1b8cbe0da2022-12-21T22:53:41ZengSciendoPolish Journal of Chemical Technology1899-47412019-12-01214899710.2478/pjct-2019-0044pjct-2019-0044Equilibrium, kinetic and thermodynamic studies on methylene blue adsorption by Trichosanthes kirilowii Maxim shell activated carbonWang Yuqi0Li Yanhui1Zheng Heng2Qingdao University, College of Mechanical and Electrical Engineering, State Key Laboratory of Bio-fibers and Eco-textiles, Qingdao266071, China.Qingdao University, College of Mechanical and Electrical Engineering, State Key Laboratory of Bio-fibers and Eco-textiles, Qingdao266071, China.Qingdao University, College of Mechanical and Electrical Engineering, State Key Laboratory of Bio-fibers and Eco-textiles, Qingdao266071, China.New kind of adsorbent was produced from Trichosanthes kirilowii Maxim shell. The KOH activation technology for preparation of Trichosanthes kirilowii Maxim shell activated carbon (TKMCK) was optimized. Using methylene blue as the sample adsorbate, the adsorption behavior was systematically investigated in terms of the activation agent and temperature, the adsorption temperature and time, the initial adsorbate pH and concentration, as well as the dosage of adsorbent. Surface physical morphology of the TKMCK prepared was observed by scanning electron microscopy (SEM), while the functional groups were determined with Fourier transform infrared (FTIR) spectra. Kinetic studies indicated that the adsorption process was more consistent with the pseudo-second-order kinetic. Both Langmuir and Freundlich isotherms were employed to fit the adsorption data at equilibrium, with the former giving a maximum adsorption capacity of 793.65 mg/g at 323 K. BET surface area of as-prepared TKMCK was 657.78 m2/g.https://doi.org/10.2478/pjct-2019-0044trichosanthes kirilowii maxim shellbiomassactivated carbonadsorptionmethylene blue |
| spellingShingle | Wang Yuqi Li Yanhui Zheng Heng Equilibrium, kinetic and thermodynamic studies on methylene blue adsorption by Trichosanthes kirilowii Maxim shell activated carbon Polish Journal of Chemical Technology trichosanthes kirilowii maxim shell biomass activated carbon adsorption methylene blue |
| title | Equilibrium, kinetic and thermodynamic studies on methylene blue adsorption by Trichosanthes kirilowii Maxim shell activated carbon |
| title_full | Equilibrium, kinetic and thermodynamic studies on methylene blue adsorption by Trichosanthes kirilowii Maxim shell activated carbon |
| title_fullStr | Equilibrium, kinetic and thermodynamic studies on methylene blue adsorption by Trichosanthes kirilowii Maxim shell activated carbon |
| title_full_unstemmed | Equilibrium, kinetic and thermodynamic studies on methylene blue adsorption by Trichosanthes kirilowii Maxim shell activated carbon |
| title_short | Equilibrium, kinetic and thermodynamic studies on methylene blue adsorption by Trichosanthes kirilowii Maxim shell activated carbon |
| title_sort | equilibrium kinetic and thermodynamic studies on methylene blue adsorption by trichosanthes kirilowii maxim shell activated carbon |
| topic | trichosanthes kirilowii maxim shell biomass activated carbon adsorption methylene blue |
| url | https://doi.org/10.2478/pjct-2019-0044 |
| work_keys_str_mv | AT wangyuqi equilibriumkineticandthermodynamicstudiesonmethyleneblueadsorptionbytrichosantheskirilowiimaximshellactivatedcarbon AT liyanhui equilibriumkineticandthermodynamicstudiesonmethyleneblueadsorptionbytrichosantheskirilowiimaximshellactivatedcarbon AT zhengheng equilibriumkineticandthermodynamicstudiesonmethyleneblueadsorptionbytrichosantheskirilowiimaximshellactivatedcarbon |