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Vieira Y, Fuhr ACFP, Lütke SF, Dotto GL, Oliveira MLS, Silva LFO, Amara FB, Knani S, Alruwaili A, Jemli S. Adsorptive features of cyclohexane carboxylic naphthenic acid on a novel cross-linked polymer developed from spent coffee grounds. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:42889-42901. [PMID: 38884933 DOI: 10.1007/s11356-024-33977-5] [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: 01/21/2024] [Accepted: 06/09/2024] [Indexed: 06/18/2024]
Abstract
Naphthenic acids (NA) are organic compounds commonly found in crude oil and produced water, known for their recalcitrance and toxicity. This study introduces a new adsorbent, a polymer derived from spent coffee grounds (SCGs), through a straightforward cross-linking method for removing cyclohexane carboxylic acid as representative NA. The adsorption kinetics followed a pseudo-second-order model for the data (0.007 g min-1 mg-1), while the equilibrium data fitted the Sips model ( q m = 140.55 mg g-1). The process's thermodynamics indicated that the target NA's adsorption was spontaneous and exothermic. The localized sterical and energetic aspects were investigated through statistical physical modeling, which corroborated that the adsorption occurred indeed in monolayer, as suggested by the Sips model, but revealed the contribution of two energies per site (n 1 ; n 2 ). The number of molecules adsorbed per site ( n ) was highly influenced by the temperature as n 1 decreased with increasing temperature and n 2 increased. These results were experimentally demonstrated within the pH range between 4 and 6, where both C6H11COO-(aq.) and C6H11COOH(aq.) species coexisted and were adsorbed by different energy sites. The polymer produced was naturally porous and amorphous, with a low surface area of 20 to 30 m2 g-1 that presented more energetically accessible sites than other adsorbents with much higher surface areas. Thus, this study shows that the relation between surface area and high adsorption efficiency depends on the compatibility between the energetic states of the receptor sites, the speciation of the adsorbate molecules, and the temperature range studied.
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Affiliation(s)
- Yasmin Vieira
- Research Group On Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Av. Roraima, 1000-7, Santa Maria, RS, 97105-900, Brazil
| | - Ana Carolina Ferreira Piazzi Fuhr
- Research Group On Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Av. Roraima, 1000-7, Santa Maria, RS, 97105-900, Brazil
| | - Sabrina Frantz Lütke
- Research Group On Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Av. Roraima, 1000-7, Santa Maria, RS, 97105-900, Brazil
| | - Guilherme Luiz Dotto
- Research Group On Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Av. Roraima, 1000-7, Santa Maria, RS, 97105-900, Brazil.
| | | | | | - Fakhreddine Ben Amara
- Laboratory of Microbial Biotechnology and Enzymes Engineering, Centre of Biotechnology of Sfax, University of Sfax, P.O. Box 1177, 3018, Sfax, Tunisia
- Department of Biology, Faculty of Sciences of Sfax, University of Sfax, Road of Soukra Km 3.5, 3000, Sfax, Tunisia
| | - Salah Knani
- Department of Physics, College of Science, Northern Border University, Arar, Saudi Arabia
| | - Amani Alruwaili
- Department of Physics, College of Science, Northern Border University, Arar, Saudi Arabia
| | - Sonia Jemli
- Laboratory of Microbial Biotechnology and Enzymes Engineering, Centre of Biotechnology of Sfax, University of Sfax, P.O. Box 1177, 3018, Sfax, Tunisia
- Department of Biology, Faculty of Sciences of Sfax, University of Sfax, Road of Soukra Km 3.5, 3000, Sfax, Tunisia
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Sellaoui L, Dhaouadi F, Abdulaziz F, Alsehli AH, M Alsowayigh M, Dotto GL, da Boit Martinello K, Silva LFO, Rtimi S, Bonilla-Petriciolet A. Adsorption of perfluorooctanoic carboxylic and heptadecafluorooctane sulfonic acids via magnetic chitosan: isotherms and modeling. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:118410-118417. [PMID: 37910375 DOI: 10.1007/s11356-023-30600-x] [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: 07/26/2023] [Accepted: 10/18/2023] [Indexed: 11/03/2023]
Abstract
This paper evaluates the adsorption mechanism of perfluorooctanoic carboxylic acid (PFCA) and heptadecafluorooctane sulfonic acid (HFOSA) on magnetic chitosan for the first time via a statistical physics modeling. Magnetic chitosan (MC-CoFe2O4) was produced from shrimp wastes and used in standard batch adsorption systems to remove PFCA and HFOSA. The experimental isotherms indicated that the maximum adsorption capacities ranged from 14 to 27.12 mg/g and from 19.16 to 45.12 mg/g for PFCA and HFOSA, respectively, where an exothermic behavior was observed for both compounds. The adsorption data were studied via an advanced model hypothesizing that a multilayer process occurred for these adsorption systems. This theoretical approach indicated that the total number of formed layers of PFCA and HFOSA adsorbates is about 3 (Nt = 2.83) at high temperatures (328 K) where a molecular aggregation process was noted during the adsorption. The maximum saturation-multilayer adsorption of PFCA and HFOSA on magnetic chitosan was 30.77 and 50.26 mg/g, respectively, and the corresponding adsorption mechanisms were successfully investigated. Two energies were responsible for the formed adsorbate layer directly on the surface and the vertical layers were computed and interpreted, reflecting that physical interactions were involved to bind these molecules on the adsorbent surface at different temperatures where the calculated adsorption energies ranged from 14 to 31 kJ/mol. Overall, this work provides theoretical insights to understand the adsorption mechanism of PFCA and HFOSA using the statistical physics modeling and its results can be used to improve the adsorbent performance for engineering applications.
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Affiliation(s)
- Lotfi Sellaoui
- CRMN, Centre for Research on Microelectronics and Nanotechnology of Sousse, NANOMISENE, LR16CRMN01, Code Postal 4054, Sousse, Tunisia.
- Laboratory of Quantum and Statistical Physics, Faculty of Sciences of Monastir, Monastir University, LR18ES18, Monastir, Tunisia.
| | - Fatma Dhaouadi
- Laboratory of Quantum and Statistical Physics, Faculty of Sciences of Monastir, Monastir University, LR18ES18, Monastir, Tunisia
| | - Fahad Abdulaziz
- Department of Chemistry, College of Science, University of Ha'il, 81451, Ha'il, Saudi Arabia
| | - Amal H Alsehli
- Chemistry Department, College of Science, Taibah University, 42353, Madinah, Saudi Arabia
| | - Marwah M Alsowayigh
- Chemistry Department, College of Science, King Faisal University, 31982, Al-Ahsa, Saudi Arabia
| | - Guilherme Luiz Dotto
- Research Group on Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Av. Roraima, 1000-7, Santa Maria, RS, 97105-900, Brazil
| | - Kátia da Boit Martinello
- Research Group on Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Av. Roraima, 1000-7, Santa Maria, RS, 97105-900, Brazil
| | - Luis F O Silva
- Research Group on Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Av. Roraima, 1000-7, Santa Maria, RS, 97105-900, Brazil
| | - Sami Rtimi
- Global Institute for Water, Environment, And Health (GIWEH), 1210, Geneva, Switzerland
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Mabungela N, Shooto ND, Mtunzi F, Naidoo EB, Mlambo M, Mokubung KE, Mpelane S. Multi-application of fennel (Foeniculum vulgaris) seed composites for the adsorption and photo-degradation of methylene blue in water. SOUTH AFRICAN JOURNAL OF CHEMICAL ENGINEERING 2023. [DOI: 10.1016/j.sajce.2023.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/09/2023] Open
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Wei S, Wang L, Wu Y, Liu H. Study on removal of copper ions from aqueous phase by modified sepiolite flocs method. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:73492-73503. [PMID: 35624377 DOI: 10.1007/s11356-022-21045-9] [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: 01/17/2022] [Accepted: 05/19/2022] [Indexed: 06/15/2023]
Abstract
With the improvement of environmental protection and standards, the recovery and recycling of copper ions released from industrial wastewater discharge has aroused sufficient research interest. A new adsorbent (ABsep) derived from natural sepiolite (Sep) by modification technology of hexadecyltrimethoxysilane (HDTMS) or tetraethylorthosilicate (TEOS) and flocs separation method for adsorption of Cu2+ in wastewater have been investigated in this paper. The changes of crystal structure and physicochemical properties of Sep during modification process showed that HDTMS and TEOS were loaded onto the Sep surface without inserting into the Sep interlayer structure. The adsorption experimental results presented a smaller amount of ABsep (1 g/L) achieved 97.5% removal of 50 mg/L Cu2+ at pH 6 and temperature of 298 K within a shorter contact time (50 min). It is interesting the adsorption process of Cu2+ on ABsep was spontaneous and exothermic, with physical adsorption dominating, as result of combination of physical adsorption, electrostatic gravitational force, and chemical reaction. Because of good physical-chemical adsorption performance of ABsep surface to Cu2+, high removal rates of Cu2+ from aqueous phase could be achieved after three adsorption regeneration cycles, this indicated the ABsep was expected to be a promising adsorbent of Cu2+ removal for wastewater treatment.
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Affiliation(s)
- Shanshan Wei
- College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China
| | - Li Wang
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao, 266590, China.
| | - Yihai Wu
- College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China
| | - Hui Liu
- College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China
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Teixeira RA, Lima EC, Benetti AD, Thue PS, Lima DR, Sher F, Dos Reis GS, Rabiee N, Seliem MK, Abatal M. Composite of methyl polysiloxane and avocado biochar as adsorbent for removal of ciprofloxacin from waters. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:74823-74840. [PMID: 35641743 DOI: 10.1007/s11356-022-21176-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
Two carbon composite materials were prepared by mixing avocado biochar and methyl polysiloxane (MK). Firstly, MK was dissolved in ethanol, and then the biochar was added at different times. In sample 1 (R1), the time of adding biochar was immediately after dissolving MK in ethanol, and in sample 2 (R2), after 48 h of MK dissolved in ethanol. The samples were characterized by nitrogen adsorption/desorption measurements obtaining specific surface areas (SBET) of 115 m2 g-1 (R1) and 580 m2 g-1 (R2). The adsorbents were further characterized using scanning electron microscopy, FTIR and Raman spectroscopy, adsorption of vapors of n-heptane and water, thermal analysis, Bohem titration, pHpzc, and C H N elemental analysis. R1 and R2 adsorbents were employed as adsorbents to remove the antibiotic ciprofloxacin from the waters. The t1/2 and t0.95 based on the interpolation of Avrami fractional-order were 20.52 and 246.4 min (R1) and 14.00 and 157.6 min (R2), respectively. Maximum adsorption capacities (Qmax) based on the Liu isotherm were 10.77 (R1) and 63.80 mg g-1 (R2) for ciprofloxacin. The thermodynamic studies showed a spontaneous and exothermic process for both samples, and the value of ΔH° is compatible with physical adsorption.
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Affiliation(s)
- Roberta A Teixeira
- Graduate Program in Water Resources and Environmental Sanitation, Hydraulic Research Institute (IPH), Federal University of Rio Grande Do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Eder C Lima
- Institute of Chemistry, Federal University of Rio Grande Do Sul (UFRGS), Av. Bento Goncalves 9500, RS, Postal Box, 15003, Porto Alegre, ZIP 91501-970, Brazil.
- Graduate Program in Science of Materials (PGCIMAT), Institute of Chemistry, Federal University of Rio Grande Do Sul (UFRGS), Av. Bento Gonçalves 9500, Porto Alegre, RS, ZIP 91501-970, Brazil.
- Metallurgical, and Materials Engineering (PPGE3M), School of Engineering, Graduate Program in Mine, Federal University of Rio Grande Do Sul (UFRGS), Av. Bento Gonçalves 9500, Porto Alegre, RS, Brazil.
| | - Antônio D Benetti
- Graduate Program in Water Resources and Environmental Sanitation, Hydraulic Research Institute (IPH), Federal University of Rio Grande Do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Pascal S Thue
- Graduate Program in Science of Materials (PGCIMAT), Institute of Chemistry, Federal University of Rio Grande Do Sul (UFRGS), Av. Bento Gonçalves 9500, Porto Alegre, RS, ZIP 91501-970, Brazil
| | - Diana R Lima
- Metallurgical, and Materials Engineering (PPGE3M), School of Engineering, Graduate Program in Mine, Federal University of Rio Grande Do Sul (UFRGS), Av. Bento Gonçalves 9500, Porto Alegre, RS, Brazil
| | - Farooq Sher
- Department of Engineering, School of Science and Technology, Nottingham Trent University, Nottingham, NG11 8NS, UK
| | - Glaydson S Dos Reis
- Department of Forest Biomaterials and Technology, Swedish University of Agricultural Sciences, Biomass Technology Centre, 901 83, Umeå, Sweden
| | - Navid Rabiee
- Department of Physics, Sharif University of Technology, P.O. Box 11155-9161, Tehran, Iran
- School of Engineering, Macquarie University, Sydney, NSW, 2109, Australia
| | - Moaaz K Seliem
- Faculty of Earth Science, Beni-Suef University, Beni-Suef, Egypt
| | - Mohamed Abatal
- Facultad de Ingeniería, Universidad Autónoma del Carmen, C.P. 24153, Ciudad del Carmen, Mexico
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Franco DS, Georgin J, Netto MS, da Boit Martinello K, Silva LF. Preparation of activated carbons from fruit residues for the removal of naproxen (NPX): Analytical interpretation via statistical physical model. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119021] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Ahmad T, Danish M. A review of avocado waste-derived adsorbents: Characterizations, adsorption characteristics, and surface mechanism. CHEMOSPHERE 2022; 296:134036. [PMID: 35202667 DOI: 10.1016/j.chemosphere.2022.134036] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/06/2022] [Accepted: 02/16/2022] [Indexed: 06/14/2023]
Abstract
Avocado is one of the most important fruits with a high nutritional content; this fruit is consumed and cultivated worldwide. It is originally grown in Central America and the West Indies islands. But it is now cultivated in the tropical and subtropical regions of the world. Avocado waste is an abundantly available raw material that can be converted into adsorbents to remove different pollutants from aqueous solutions. This review article explores the utilization of avocado waste as raw material to develop an efficient adsorbent and its use against various toxicants. Many research papers have been published on the use of avocado waste-derived adsorbents in the recent past. The factors that affect the adsorption processes are examined in light of published references. Some critical adsorption parameters, such as equilibrium (isotherms), kinetics, and thermodynamics, have been reported in the published literature; these parameters and their data are critically discussed. The characterization, mechanism, and surface chemistry of avocado waste-derived adsorbents are also discussed. To date, no review article on avocado waste-derived adsorbents is available, where researchers can get an overview of the preparation, characterization, and adsorption attributes of avocado waste adsorbents against various pollutants. Recent literature demonstrates the effective utilization of avocado waste as a cleaner and sustainable raw material for the production of adsorbents.
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Affiliation(s)
- Tanweer Ahmad
- Department of Chemistry, School of Mathematics and Natural Science, The Copperbelt University, Kitwe, Zambia
| | - Mohammed Danish
- Bioresource Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Minden Campus, Penang, 11800, Pulau Pinang, Malaysia.
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