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Sahu JN, Dhaouadi F, Sellaoui L, Khor LX, Lee SY, Daud WMAW, Chebaane S, Bouzidi M, Guergueb M, Bonilla-Petriciolet A, Lamine AB. Physicochemical assessment of ammonium adsorption using a palm shell-based adsorbent activated with acetic acid: experimental and theoretical studies. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:27980-27987. [PMID: 38526713 DOI: 10.1007/s11356-024-33002-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 03/16/2024] [Indexed: 03/27/2024]
Abstract
The adsorption of ammonium from water was studied on an activated carbon obtained using raw oil palm shell and activated with acetic acid. The performance of this adsorbent was tested at different operating conditions including the solution pH, adsorbent dosage, and initial ammonium concentration. Kinetic and equilibrium studies were carried out, and their results were analyzed with different models. For the adsorption kinetics, the pseudo-first order equation was the best model to correlate this system. Calculated adsorption rate constants ranged from 0.071 to 0.074 g/mg min. The ammonium removal was 70-80% at pH 6-8, and it was significantly affected by electrostatic interaction forces. Ammonium removal (%) increased with the adsorbent dosage, and neutral pH condition favored the adsorption of this pollutant. The best ammonium adsorption conditions were identified with a response surface methodology model where the maximum removal was 91.49% with 2.27 g/L of adsorbent at pH 8.11 for an initial ammonium concentration of 36.90 mg/L. The application of a physical monolayer model developed by statistical physics theory indicated that the removal mechanism of ammonium was multi-ionic and involved physical interactions with adsorption energy of 29 kJ/mol. This activated carbon treated with acetic acid is promising to depollute aqueous solutions containing ammonium.
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Affiliation(s)
- Jaya Narayan Sahu
- Institute of Chemical Technology, Faculty of Chemistry, University of Stuttgart, D-70550, Stuttgart, Germany
- South Ural State University (National Research University), Chelyabinsk, Russian Federation, 454080
| | - Fatma Dhaouadi
- Laboratory of Quantum and Statistical Physics, LR18ES18, Department of Physics, Faculty of Sciences of Monastir, Monastir University, 5000, Monastir, Tunisia
| | - Lotfi Sellaoui
- Laboratory of Quantum and Statistical Physics, LR18ES18, Department of Physics, Faculty of Sciences of Monastir, Monastir University, 5000, Monastir, Tunisia.
- CRMN, Centre for Research on Microelectronics and Nanotechnology of Sousse, NANOMISENE, LR16CRMN01, Code Postal, 4054, Sousse, Tunisia.
| | - Lean Xin Khor
- Chemical Engineering Department, Faculty of Engineering, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Soo-Ying Lee
- Chemical Engineering Department, Faculty of Engineering, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Wan Mohd Ashri Wan Daud
- Chemical Engineering Department, Faculty of Engineering, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Saleh Chebaane
- Department of Physics, College of Science, University of Ha'il, P.O. Box 2240, Ha'il, Saudi Arabia
| | - Mohamed Bouzidi
- Department of Physics, College of Science, University of Ha'il, P.O. Box 2240, Ha'il, Saudi Arabia
- Laboratoire de recherche sur les Hétéro-Epitaxies et Applications (LRHEA), Departement de Physique, Faculté des Sciences de Monastir, Université de Monastir, 5000, Monastir, Tunisia
| | - Mouhieddinne Guergueb
- Laboratory of Physico-Chemistry of Materials, Department of Physics, University of Monastir, 5000, Monastir, Tunisia
| | - Adrian Bonilla-Petriciolet
- Department of Chemical Engineering, InstitutoTecnológico de Aguascalientes, Aguascalientes, 20256, México
| | - Abdelmottaleb Ben Lamine
- Laboratory of Quantum and Statistical Physics, LR18ES18, Department of Physics, Faculty of Sciences of Monastir, Monastir University, 5000, Monastir, Tunisia
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Kałamaga A, Wróbel RJ. The Impact of N/O-Functional Groups on the Sorption Capabilities of Activated Carbons Derived from Furfuryl Alcohol. Molecules 2024; 29:987. [PMID: 38474499 DOI: 10.3390/molecules29050987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 02/15/2024] [Accepted: 02/22/2024] [Indexed: 03/14/2024] Open
Abstract
This work describes the effect of nitrogen and oxygen functional groups on the sorption properties of activated carbons produced from furfuryl alcohol. The poly(furfuryl) alcohol underwent carbonization in nitrogen, ammonia, and ammonia and air (in a 3:2 proportion) atmospheres at 600 °C for 4 h. The resulting materials were subsequently activated in a carbon dioxide atmosphere for 1 h at temperatures of 700 °C, 800 °C, 900 °C, and 1000 °C. The X-ray photoelectron spectroscopy (XPS) findings suggest that ammoxidation is superior to amination in terms of nitrogen doping. The maximum nitrogen concentration achieved after ammoxidation was 25 at.%, which decreased to 4 at.% after activation. Additionally, it was observed that oxygen functional groups have a greater impact on porous structure development compared to nitrogen functional groups. The materials activated through carbonization under an ammonia/air atmosphere attained the highest oxygen concentration of roughly 19 at.% as confirmed by XPS. The materials were evaluated for their sorption capacities for carbon dioxide and ethylene, which were 2.2 mmol/g and 2.9 mmol/g, respectively, at 30 °C.
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Affiliation(s)
- Agnieszka Kałamaga
- Department of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology, Piastów 17 Ave., 70-310 Szczecin, Poland
| | - Rafał J Wróbel
- Department of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology, Piastów 17 Ave., 70-310 Szczecin, Poland
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Guo F, Liu HJ, Zhou XZ, Long XL. Oxidation of NMST to NMSBA catalyzed by Co/Mn/Br together with porous carbon made from coconut shell with acetic acid as an activator. INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING 2022. [DOI: 10.1515/ijcre-2022-0014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
In this paper, a heterogeneous catalytic system consisting of Co/Mn/Br/activated carbon is used to catalyze 2-nitro-4-methylsulfonyl benzoic acid (NMSBA) production from the oxidation of 2-nitro-4-methylsulfonyltoluene (NMST) by oxygen. The activated carbon (AC) is made from coconut shell with acetic acid as an activator. The experiments indicate that the best AC is made by immersing coconut shell in 12 mol L−1 HAc solution at 50 °C for 32 h with a liquid/solid ratio (mL/g) of 5:1 and then being heated in nitrogen at 800 °C for 6 h. Compared with the Co/Mn/Br/H3PMo12O40@CAC (CAC, commercial activated carbon originated from coconut shell) catalytic system, the Co/Mn/Br/AC catalytic system is able to gain much higher NMSBA selectivity. In spite of holding smaller surface and less acidic groups, the AC owns much more carboxyl than CAC, which is the main reason for its better performance in the preparation of NMSBA.
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Affiliation(s)
- Feng Guo
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology , Meilong Road 130 , Shanghai , 200237 , People’s Republic of China
| | - Hua-jie Liu
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology , Meilong Road 130 , Shanghai , 200237 , People’s Republic of China
| | - Xin-zhi Zhou
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology , Meilong Road 130 , Shanghai , 200237 , People’s Republic of China
| | - Xiang-li Long
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology , Meilong Road 130 , Shanghai , 200237 , People’s Republic of China
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Lu P, Wang X, Tang Y, Ding A, Yang H, Guo J, Cui Y, Ling C. Granular activated carbon assisted nitrate-dependent anaerobic methane oxidation-membrane bioreactor: Strengthening effect and mechanisms. ENVIRONMENT INTERNATIONAL 2020; 138:105675. [PMID: 32213427 DOI: 10.1016/j.envint.2020.105675] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 03/17/2020] [Accepted: 03/17/2020] [Indexed: 06/10/2023]
Abstract
Eutrophication and global warming are two main urgent environmental problems around the world. Nitrate-dependent Anaerobic Methane Oxidation (NdAMO) is a bioprocess coupling nitrate reduction with anaerobic methane oxidation, which could mitigate of these two environmental issues simultaneously. In this study, a newly granular active carbon-NdAMO-membrane bioreactor (GAC-NdAMO-MBR) system was established to evaluate its nitrogen removal efficiency, membrane fouling property and the probable strengthening mechanism was also uncovered. Results indicated that the nitrate removal rate in GAC-NdAMO-MBR reached 31.85 ± 3.19 mgN·L-1·d-1 while it was only 10.35 ± 2.02 mgN·L-1·d-1 in NdAMO-MBR system (lack of GAC), which was multiplied three-fold. The membrane flux decay rate of GAC- NdAMO -MBR was 0.15 L/m2·h·d while it was 0.49 L/m2·h·d without GAC, and the addition of GAC could extend membrane fouling time for 2.5 times. Notablely, the relative abundance of NdAMO bacteria sharply increased from 27.15% to 56.91% after GAC addition while the NdAMO archaea showed similar variation trend. The physicochemical property of GAC mainly contributed the strengthening effect. The porous structure of GAC absorbed methane and adhered by microorganism, which enhance microorganism amount and metabolic activity. The mechanical strength of GAC scoured membrane surface to mitigate external fouling and pores absorbed EPS to reduce internal fouling. The combined effects could improve NdAMO microorganism growth and metabolism activity and finally improved nitrogen removal performance and controlled membrane fouling. These findings could deep the knowledge of NdAMO process and help extend its application potential in environment science and engineering.
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Affiliation(s)
- Peili Lu
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China; Department of Environmental Science, College of Environment and Ecology, Chongqing University, Chongqing 400044, China
| | - Xuewen Wang
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China; Department of Environmental Science, College of Environment and Ecology, Chongqing University, Chongqing 400044, China
| | - Yingshuang Tang
- Ecology and Environment Bureau of Bishan, Chongqing 400044, China
| | - Aqiang Ding
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China; Department of Environmental Science, College of Environment and Ecology, Chongqing University, Chongqing 400044, China.
| | - Han Yang
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China; Department of Environmental Science, College of Environment and Ecology, Chongqing University, Chongqing 400044, China
| | - Junliang Guo
- Department of Environmental Science, College of Environment and Ecology, Chongqing University, Chongqing 400044, China
| | - Ying Cui
- Department of Environmental Science, College of Environment and Ecology, Chongqing University, Chongqing 400044, China
| | - Chuanxiang Ling
- Department of Environmental Science, College of Environment and Ecology, Chongqing University, Chongqing 400044, China
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Hwang Y, Farooq A, Park SH, Kim KH, Lee MH, Choi SC, Kim MY, Park RS, Park YK. NH3-induced removal of NOx from a flue gas stream by silent discharge ozone generation in a double reactor system. KOREAN J CHEM ENG 2019. [DOI: 10.1007/s11814-019-0325-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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